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/*
** Copyright (c) 2015-2017 The Khronos Group Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/

/*
** This file is generated from the Khronos Vulkan XML API Registry.
**
*/


// feature VK_VERSION_1_0
// ----------------------

/// Deprecated version number macro
pub const VK_API_VERSION : VkVersionInfo = vk_make_version!(1, 0, 0);
/// Return API version number for Vulkan 1.0
pub const VK_API_VERSION_1_0 : VkVersionInfo = vk_make_version!(1, 0, 0);
/// Vulkan header file version number
pub const VK_HEADER_VERSION : u32 = 50;

/// Vulkan bitmasks
pub type VkFlags = u32;
/// Vulkan boolean type
pub type VkBool32 = u32;
/// Vulkan device memory size and offsets
pub type VkDeviceSize = u64;
/// Mask of sample coverage information
pub type VkSampleMask = u32;

/// Opaque handle to a instance object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkInstance (VkHandle);
impl ::util::VkNullHandle for VkInstance {
    fn null() -> VkInstance {
        return VkInstance(VkHandle{value:0});    }
}
impl Default for VkInstance {
    fn default() -> VkInstance {
        return VkInstance(VkHandle{value:0});
    }
}

/// Opaque handle to a physical device object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkPhysicalDevice (VkHandle);
impl ::util::VkNullHandle for VkPhysicalDevice {
    fn null() -> VkPhysicalDevice {
        return VkPhysicalDevice(VkHandle{value:0});    }
}
impl Default for VkPhysicalDevice {
    fn default() -> VkPhysicalDevice {
        return VkPhysicalDevice(VkHandle{value:0});
    }
}

/// Opaque handle to a device object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDevice (VkHandle);
impl ::util::VkNullHandle for VkDevice {
    fn null() -> VkDevice {
        return VkDevice(VkHandle{value:0});    }
}
impl Default for VkDevice {
    fn default() -> VkDevice {
        return VkDevice(VkHandle{value:0});
    }
}

/// Opaque handle to a queue object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkQueue (VkHandle);
impl ::util::VkNullHandle for VkQueue {
    fn null() -> VkQueue {
        return VkQueue(VkHandle{value:0});    }
}
impl Default for VkQueue {
    fn default() -> VkQueue {
        return VkQueue(VkHandle{value:0});
    }
}

/// Opaque handle to a semaphore object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkSemaphore (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkSemaphore {
    fn null() -> VkSemaphore {
        return VkSemaphore(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkSemaphore {
    fn default() -> VkSemaphore {
        return VkSemaphore(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a command buffer object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkCommandBuffer (VkHandle);
impl ::util::VkNullHandle for VkCommandBuffer {
    fn null() -> VkCommandBuffer {
        return VkCommandBuffer(VkHandle{value:0});    }
}
impl Default for VkCommandBuffer {
    fn default() -> VkCommandBuffer {
        return VkCommandBuffer(VkHandle{value:0});
    }
}

/// Opaque handle to a fence object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkFence (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkFence {
    fn null() -> VkFence {
        return VkFence(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkFence {
    fn default() -> VkFence {
        return VkFence(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a device memory object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDeviceMemory (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDeviceMemory {
    fn null() -> VkDeviceMemory {
        return VkDeviceMemory(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDeviceMemory {
    fn default() -> VkDeviceMemory {
        return VkDeviceMemory(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a buffer object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkBuffer (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkBuffer {
    fn null() -> VkBuffer {
        return VkBuffer(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkBuffer {
    fn default() -> VkBuffer {
        return VkBuffer(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a image object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkImage (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkImage {
    fn null() -> VkImage {
        return VkImage(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkImage {
    fn default() -> VkImage {
        return VkImage(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a event object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkEvent (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkEvent {
    fn null() -> VkEvent {
        return VkEvent(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkEvent {
    fn default() -> VkEvent {
        return VkEvent(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a query pool object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkQueryPool (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkQueryPool {
    fn null() -> VkQueryPool {
        return VkQueryPool(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkQueryPool {
    fn default() -> VkQueryPool {
        return VkQueryPool(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a buffer view object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkBufferView (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkBufferView {
    fn null() -> VkBufferView {
        return VkBufferView(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkBufferView {
    fn default() -> VkBufferView {
        return VkBufferView(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a image view object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkImageView (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkImageView {
    fn null() -> VkImageView {
        return VkImageView(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkImageView {
    fn default() -> VkImageView {
        return VkImageView(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a shader module object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkShaderModule (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkShaderModule {
    fn null() -> VkShaderModule {
        return VkShaderModule(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkShaderModule {
    fn default() -> VkShaderModule {
        return VkShaderModule(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a pipeline cache object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkPipelineCache (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkPipelineCache {
    fn null() -> VkPipelineCache {
        return VkPipelineCache(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkPipelineCache {
    fn default() -> VkPipelineCache {
        return VkPipelineCache(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a pipeline layout object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkPipelineLayout (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkPipelineLayout {
    fn null() -> VkPipelineLayout {
        return VkPipelineLayout(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkPipelineLayout {
    fn default() -> VkPipelineLayout {
        return VkPipelineLayout(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a render pass object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkRenderPass (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkRenderPass {
    fn null() -> VkRenderPass {
        return VkRenderPass(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkRenderPass {
    fn default() -> VkRenderPass {
        return VkRenderPass(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a pipeline object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkPipeline (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkPipeline {
    fn null() -> VkPipeline {
        return VkPipeline(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkPipeline {
    fn default() -> VkPipeline {
        return VkPipeline(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a descriptor set layout object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDescriptorSetLayout (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDescriptorSetLayout {
    fn null() -> VkDescriptorSetLayout {
        return VkDescriptorSetLayout(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDescriptorSetLayout {
    fn default() -> VkDescriptorSetLayout {
        return VkDescriptorSetLayout(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a sampler object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkSampler (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkSampler {
    fn null() -> VkSampler {
        return VkSampler(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkSampler {
    fn default() -> VkSampler {
        return VkSampler(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a descriptor pool object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDescriptorPool (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDescriptorPool {
    fn null() -> VkDescriptorPool {
        return VkDescriptorPool(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDescriptorPool {
    fn default() -> VkDescriptorPool {
        return VkDescriptorPool(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a descriptor set object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDescriptorSet (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDescriptorSet {
    fn null() -> VkDescriptorSet {
        return VkDescriptorSet(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDescriptorSet {
    fn default() -> VkDescriptorSet {
        return VkDescriptorSet(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a framebuffer object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkFramebuffer (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkFramebuffer {
    fn null() -> VkFramebuffer {
        return VkFramebuffer(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkFramebuffer {
    fn default() -> VkFramebuffer {
        return VkFramebuffer(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a command pool object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkCommandPool (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkCommandPool {
    fn null() -> VkCommandPool {
        return VkCommandPool(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkCommandPool {
    fn default() -> VkCommandPool {
        return VkCommandPool(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_LOD_CLAMP_NONE: f32 = 1000.0f32;
pub const VK_REMAINING_MIP_LEVELS: u32 = !0u32;
pub const VK_REMAINING_ARRAY_LAYERS: u32 = !0u32;
pub const VK_WHOLE_SIZE: u64 = !0u64;
pub const VK_ATTACHMENT_UNUSED: u32 = !0u32;
pub const VK_TRUE: VkEnum = 1;
pub const VK_FALSE: VkEnum = 0;
pub const VK_QUEUE_FAMILY_IGNORED: u32 = !0u32;
pub const VK_SUBPASS_EXTERNAL: u32 = !0u32;
pub const VK_MAX_PHYSICAL_DEVICE_NAME_SIZE: VkEnum = 256;
pub const VK_UUID_SIZE: VkEnum = 16;
pub const VK_MAX_MEMORY_TYPES: VkEnum = 32;
pub const VK_MAX_MEMORY_HEAPS: VkEnum = 16;
pub const VK_MAX_EXTENSION_NAME_SIZE: VkEnum = 256;
pub const VK_MAX_DESCRIPTION_SIZE: VkEnum = 256;


/// Encode pipeline cache version
pub type VkPipelineCacheHeaderVersion = VkEnum;
pub const VK_PIPELINE_CACHE_HEADER_VERSION_ONE : VkPipelineCacheHeaderVersion = 1;
pub const VK_PIPELINE_CACHE_HEADER_VERSION_BEGIN_RANGE : VkPipelineCacheHeaderVersion = VK_PIPELINE_CACHE_HEADER_VERSION_ONE;
pub const VK_PIPELINE_CACHE_HEADER_VERSION_END_RANGE : VkPipelineCacheHeaderVersion = VK_PIPELINE_CACHE_HEADER_VERSION_ONE;
pub const VK_PIPELINE_CACHE_HEADER_VERSION_RANGE_SIZE : VkPipelineCacheHeaderVersion = (VK_PIPELINE_CACHE_HEADER_VERSION_ONE as i32 - VK_PIPELINE_CACHE_HEADER_VERSION_ONE as i32 + 1i32) as u32;
pub const VK_PIPELINE_CACHE_HEADER_VERSION_MAX_ENUM : VkPipelineCacheHeaderVersion = 0x7FFFFFFF;

/// Vulkan command return codes
pub type VkResult = VkEnum;
/// Command completed successfully
pub const VK_SUCCESS : VkResult = 0;
/// A fence or query has not yet completed
pub const VK_NOT_READY : VkResult = 1;
/// A wait operation has not completed in the specified time
pub const VK_TIMEOUT : VkResult = 2;
/// An event is signaled
pub const VK_EVENT_SET : VkResult = 3;
/// An event is unsignaled
pub const VK_EVENT_RESET : VkResult = 4;
/// A return array was too small for the result
pub const VK_INCOMPLETE : VkResult = 5;
/// A host memory allocation has failed
pub const VK_ERROR_OUT_OF_HOST_MEMORY : VkResult = (-1i32) as u32;
/// A device memory allocation has failed
pub const VK_ERROR_OUT_OF_DEVICE_MEMORY : VkResult = (-2i32) as u32;
/// Initialization of a object has failed
pub const VK_ERROR_INITIALIZATION_FAILED : VkResult = (-3i32) as u32;
/// The logical device has been lost. See <<devsandqueues-lost-device>>
pub const VK_ERROR_DEVICE_LOST : VkResult = (-4i32) as u32;
/// Mapping of a memory object has failed
pub const VK_ERROR_MEMORY_MAP_FAILED : VkResult = (-5i32) as u32;
/// Layer specified does not exist
pub const VK_ERROR_LAYER_NOT_PRESENT : VkResult = (-6i32) as u32;
/// Extension specified does not exist
pub const VK_ERROR_EXTENSION_NOT_PRESENT : VkResult = (-7i32) as u32;
/// Requested feature is not available on this device
pub const VK_ERROR_FEATURE_NOT_PRESENT : VkResult = (-8i32) as u32;
/// Unable to find a Vulkan driver
pub const VK_ERROR_INCOMPATIBLE_DRIVER : VkResult = (-9i32) as u32;
/// Too many objects of the type have already been created
pub const VK_ERROR_TOO_MANY_OBJECTS : VkResult = (-10i32) as u32;
/// Requested format is not supported on this device
pub const VK_ERROR_FORMAT_NOT_SUPPORTED : VkResult = (-11i32) as u32;
/// A requested pool allocation has failed due to fragmentation of the pool's memory
pub const VK_ERROR_FRAGMENTED_POOL : VkResult = (-12i32) as u32;
pub const VK_ERROR_SURFACE_LOST_KHR : VkResult = (-1000000000i32) as u32;
pub const VK_ERROR_NATIVE_WINDOW_IN_USE_KHR : VkResult = (-1000000001i32) as u32;
pub const VK_SUBOPTIMAL_KHR : VkResult = 1000001003;
pub const VK_ERROR_OUT_OF_DATE_KHR : VkResult = (-1000001004i32) as u32;
pub const VK_ERROR_INCOMPATIBLE_DISPLAY_KHR : VkResult = (-1000003001i32) as u32;
pub const VK_ERROR_VALIDATION_FAILED_EXT : VkResult = (-1000011001i32) as u32;
pub const VK_ERROR_INVALID_SHADER_NV : VkResult = (-1000012000i32) as u32;
pub const VK_ERROR_OUT_OF_POOL_MEMORY_KHR : VkResult = (-1000069000i32) as u32;
pub const VK_ERROR_INVALID_EXTERNAL_HANDLE_KHX : VkResult = (-1000072003i32) as u32;
pub const VK_RESULT_BEGIN_RANGE : VkResult = VK_ERROR_FRAGMENTED_POOL;
pub const VK_RESULT_END_RANGE : VkResult = VK_INCOMPLETE;
pub const VK_RESULT_RANGE_SIZE : VkResult = (VK_INCOMPLETE as i32 - VK_ERROR_FRAGMENTED_POOL as i32 + 1i32) as u32;
pub const VK_RESULT_MAX_ENUM : VkResult = 0x7FFFFFFF;

/// Vulkan structure types (`stype)`
pub type VkStructureType = VkEnum;
pub const VK_STRUCTURE_TYPE_APPLICATION_INFO : VkStructureType = 0;
pub const VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO : VkStructureType = 1;
pub const VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO : VkStructureType = 2;
pub const VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO : VkStructureType = 3;
pub const VK_STRUCTURE_TYPE_SUBMIT_INFO : VkStructureType = 4;
pub const VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO : VkStructureType = 5;
pub const VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE : VkStructureType = 6;
pub const VK_STRUCTURE_TYPE_BIND_SPARSE_INFO : VkStructureType = 7;
pub const VK_STRUCTURE_TYPE_FENCE_CREATE_INFO : VkStructureType = 8;
pub const VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO : VkStructureType = 9;
pub const VK_STRUCTURE_TYPE_EVENT_CREATE_INFO : VkStructureType = 10;
pub const VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO : VkStructureType = 11;
pub const VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO : VkStructureType = 12;
pub const VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO : VkStructureType = 13;
pub const VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO : VkStructureType = 14;
pub const VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO : VkStructureType = 15;
pub const VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO : VkStructureType = 16;
pub const VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO : VkStructureType = 17;
pub const VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO : VkStructureType = 18;
pub const VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO : VkStructureType = 19;
pub const VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO : VkStructureType = 20;
pub const VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO : VkStructureType = 21;
pub const VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO : VkStructureType = 22;
pub const VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO : VkStructureType = 23;
pub const VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO : VkStructureType = 24;
pub const VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO : VkStructureType = 25;
pub const VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO : VkStructureType = 26;
pub const VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO : VkStructureType = 27;
pub const VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO : VkStructureType = 28;
pub const VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO : VkStructureType = 29;
pub const VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO : VkStructureType = 30;
pub const VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO : VkStructureType = 31;
pub const VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO : VkStructureType = 32;
pub const VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO : VkStructureType = 33;
pub const VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO : VkStructureType = 34;
pub const VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET : VkStructureType = 35;
pub const VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET : VkStructureType = 36;
pub const VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO : VkStructureType = 37;
pub const VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO : VkStructureType = 38;
pub const VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO : VkStructureType = 39;
pub const VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO : VkStructureType = 40;
pub const VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO : VkStructureType = 41;
pub const VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO : VkStructureType = 42;
pub const VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO : VkStructureType = 43;
pub const VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER : VkStructureType = 44;
pub const VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER : VkStructureType = 45;
pub const VK_STRUCTURE_TYPE_MEMORY_BARRIER : VkStructureType = 46;
pub const VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO : VkStructureType = 47;
pub const VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO : VkStructureType = 48;
pub const VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR : VkStructureType = 1000001000;
pub const VK_STRUCTURE_TYPE_PRESENT_INFO_KHR : VkStructureType = 1000001001;
pub const VK_STRUCTURE_TYPE_DISPLAY_MODE_CREATE_INFO_KHR : VkStructureType = 1000002000;
pub const VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000002001;
pub const VK_STRUCTURE_TYPE_DISPLAY_PRESENT_INFO_KHR : VkStructureType = 1000003000;
#[cfg(feature = "VK_USE_PLATFORM_XLIB_KHR")]
pub const VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000004000;
#[cfg(feature = "VK_USE_PLATFORM_XCB_KHR")]
pub const VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000005000;
#[cfg(feature = "VK_USE_PLATFORM_WAYLAND_KHR")]
pub const VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000006000;
#[cfg(feature = "VK_USE_PLATFORM_MIR_KHR")]
pub const VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000007000;
#[cfg(feature = "VK_USE_PLATFORM_ANDROID_KHR")]
pub const VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000008000;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR : VkStructureType = 1000009000;
pub const VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT : VkStructureType = 1000011000;
pub const VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_RASTERIZATION_ORDER_AMD : VkStructureType = 1000018000;
pub const VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_NAME_INFO_EXT : VkStructureType = 1000022000;
pub const VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_TAG_INFO_EXT : VkStructureType = 1000022001;
pub const VK_STRUCTURE_TYPE_DEBUG_MARKER_MARKER_INFO_EXT : VkStructureType = 1000022002;
pub const VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_IMAGE_CREATE_INFO_NV : VkStructureType = 1000026000;
pub const VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_BUFFER_CREATE_INFO_NV : VkStructureType = 1000026001;
pub const VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_MEMORY_ALLOCATE_INFO_NV : VkStructureType = 1000026002;
pub const VK_STRUCTURE_TYPE_TEXTURE_LOD_GATHER_FORMAT_PROPERTIES_AMD : VkStructureType = 1000041000;
pub const VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO_KHX : VkStructureType = 1000053000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_FEATURES_KHX : VkStructureType = 1000053001;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_PROPERTIES_KHX : VkStructureType = 1000053002;
pub const VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_NV : VkStructureType = 1000056000;
pub const VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_NV : VkStructureType = 1000056001;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_STRUCTURE_TYPE_IMPORT_MEMORY_WIN32_HANDLE_INFO_NV : VkStructureType = 1000057000;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_STRUCTURE_TYPE_EXPORT_MEMORY_WIN32_HANDLE_INFO_NV : VkStructureType = 1000057001;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_STRUCTURE_TYPE_WIN32_KEYED_MUTEX_ACQUIRE_RELEASE_INFO_NV : VkStructureType = 1000058000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR : VkStructureType = 1000059000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2_KHR : VkStructureType = 1000059001;
pub const VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2_KHR : VkStructureType = 1000059002;
pub const VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2_KHR : VkStructureType = 1000059003;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR : VkStructureType = 1000059004;
pub const VK_STRUCTURE_TYPE_QUEUE_FAMILY_PROPERTIES_2_KHR : VkStructureType = 1000059005;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2_KHR : VkStructureType = 1000059006;
pub const VK_STRUCTURE_TYPE_SPARSE_IMAGE_FORMAT_PROPERTIES_2_KHR : VkStructureType = 1000059007;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SPARSE_IMAGE_FORMAT_INFO_2_KHR : VkStructureType = 1000059008;
pub const VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHX : VkStructureType = 1000060000;
pub const VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHX : VkStructureType = 1000060001;
pub const VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHX : VkStructureType = 1000060002;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_RENDER_PASS_BEGIN_INFO_KHX : VkStructureType = 1000060003;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_COMMAND_BUFFER_BEGIN_INFO_KHX : VkStructureType = 1000060004;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_SUBMIT_INFO_KHX : VkStructureType = 1000060005;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_BIND_SPARSE_INFO_KHX : VkStructureType = 1000060006;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_CAPABILITIES_KHX : VkStructureType = 1000060007;
pub const VK_STRUCTURE_TYPE_IMAGE_SWAPCHAIN_CREATE_INFO_KHX : VkStructureType = 1000060008;
pub const VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_SWAPCHAIN_INFO_KHX : VkStructureType = 1000060009;
pub const VK_STRUCTURE_TYPE_ACQUIRE_NEXT_IMAGE_INFO_KHX : VkStructureType = 1000060010;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_INFO_KHX : VkStructureType = 1000060011;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_SWAPCHAIN_CREATE_INFO_KHX : VkStructureType = 1000060012;
pub const VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT : VkStructureType = 1000061000;
#[cfg(feature = "VK_USE_PLATFORM_VI_NN")]
pub const VK_STRUCTURE_TYPE_VI_SURFACE_CREATE_INFO_NN : VkStructureType = 1000062000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES_KHX : VkStructureType = 1000070000;
pub const VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO_KHX : VkStructureType = 1000070001;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO_KHX : VkStructureType = 1000071000;
pub const VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES_KHX : VkStructureType = 1000071001;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_BUFFER_INFO_KHX : VkStructureType = 1000071002;
pub const VK_STRUCTURE_TYPE_EXTERNAL_BUFFER_PROPERTIES_KHX : VkStructureType = 1000071003;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES_KHX : VkStructureType = 1000071004;
pub const VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO_KHX : VkStructureType = 1000072000;
pub const VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_KHX : VkStructureType = 1000072001;
pub const VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHX : VkStructureType = 1000072002;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_STRUCTURE_TYPE_IMPORT_MEMORY_WIN32_HANDLE_INFO_KHX : VkStructureType = 1000073000;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_STRUCTURE_TYPE_EXPORT_MEMORY_WIN32_HANDLE_INFO_KHX : VkStructureType = 1000073001;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_STRUCTURE_TYPE_MEMORY_WIN32_HANDLE_PROPERTIES_KHX : VkStructureType = 1000073002;
pub const VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHX : VkStructureType = 1000074000;
pub const VK_STRUCTURE_TYPE_MEMORY_FD_PROPERTIES_KHX : VkStructureType = 1000074001;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_STRUCTURE_TYPE_WIN32_KEYED_MUTEX_ACQUIRE_RELEASE_INFO_KHX : VkStructureType = 1000075000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_SEMAPHORE_INFO_KHX : VkStructureType = 1000076000;
pub const VK_STRUCTURE_TYPE_EXTERNAL_SEMAPHORE_PROPERTIES_KHX : VkStructureType = 1000076001;
pub const VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO_KHX : VkStructureType = 1000077000;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_WIN32_HANDLE_INFO_KHX : VkStructureType = 1000078000;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_WIN32_HANDLE_INFO_KHX : VkStructureType = 1000078001;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_STRUCTURE_TYPE_D3D12_FENCE_SUBMIT_INFO_KHX : VkStructureType = 1000078002;
pub const VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHX : VkStructureType = 1000079000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PUSH_DESCRIPTOR_PROPERTIES_KHR : VkStructureType = 1000080000;
pub const VK_STRUCTURE_TYPE_PRESENT_REGIONS_KHR : VkStructureType = 1000084000;
pub const VK_STRUCTURE_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_CREATE_INFO_KHR : VkStructureType = 1000085000;
pub const VK_STRUCTURE_TYPE_OBJECT_TABLE_CREATE_INFO_NVX : VkStructureType = 1000086000;
pub const VK_STRUCTURE_TYPE_INDIRECT_COMMANDS_LAYOUT_CREATE_INFO_NVX : VkStructureType = 1000086001;
pub const VK_STRUCTURE_TYPE_CMD_PROCESS_COMMANDS_INFO_NVX : VkStructureType = 1000086002;
pub const VK_STRUCTURE_TYPE_CMD_RESERVE_SPACE_FOR_COMMANDS_INFO_NVX : VkStructureType = 1000086003;
pub const VK_STRUCTURE_TYPE_DEVICE_GENERATED_COMMANDS_LIMITS_NVX : VkStructureType = 1000086004;
pub const VK_STRUCTURE_TYPE_DEVICE_GENERATED_COMMANDS_FEATURES_NVX : VkStructureType = 1000086005;
pub const VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_W_SCALING_STATE_CREATE_INFO_NV : VkStructureType = 1000087000;
pub const VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES2_EXT : VkStructureType = 1000090000;
pub const VK_STRUCTURE_TYPE_DISPLAY_POWER_INFO_EXT : VkStructureType = 1000091000;
pub const VK_STRUCTURE_TYPE_DEVICE_EVENT_INFO_EXT : VkStructureType = 1000091001;
pub const VK_STRUCTURE_TYPE_DISPLAY_EVENT_INFO_EXT : VkStructureType = 1000091002;
pub const VK_STRUCTURE_TYPE_SWAPCHAIN_COUNTER_CREATE_INFO_EXT : VkStructureType = 1000091003;
pub const VK_STRUCTURE_TYPE_PRESENT_TIMES_INFO_GOOGLE : VkStructureType = 1000092000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_PER_VIEW_ATTRIBUTES_PROPERTIES_NVX : VkStructureType = 1000097000;
pub const VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_SWIZZLE_STATE_CREATE_INFO_NV : VkStructureType = 1000098000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DISCARD_RECTANGLE_PROPERTIES_EXT : VkStructureType = 1000099000;
pub const VK_STRUCTURE_TYPE_PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT : VkStructureType = 1000099001;
pub const VK_STRUCTURE_TYPE_HDR_METADATA_EXT : VkStructureType = 1000105000;
pub const VK_STRUCTURE_TYPE_SHARED_PRESENT_SURFACE_CAPABILITIES_KHR : VkStructureType = 1000111000;
pub const VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SURFACE_INFO_2_KHR : VkStructureType = 1000119000;
pub const VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR : VkStructureType = 1000119001;
pub const VK_STRUCTURE_TYPE_SURFACE_FORMAT_2_KHR : VkStructureType = 1000119002;
#[cfg(feature = "VK_USE_PLATFORM_IOS_MVK")]
pub const VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK : VkStructureType = 1000122000;
#[cfg(feature = "VK_USE_PLATFORM_MACOS_MVK")]
pub const VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK : VkStructureType = 1000123000;
pub const VK_STRUCTURE_TYPE_BEGIN_RANGE : VkStructureType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
pub const VK_STRUCTURE_TYPE_END_RANGE : VkStructureType = VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO;
pub const VK_STRUCTURE_TYPE_RANGE_SIZE : VkStructureType = (VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO as i32 - VK_STRUCTURE_TYPE_APPLICATION_INFO as i32 + 1i32) as u32;
pub const VK_STRUCTURE_TYPE_MAX_ENUM : VkStructureType = 0x7FFFFFFF;

/// Allocation scope
pub type VkSystemAllocationScope = VkEnum;
/// The allocation is scoped to the duration of the Vulkan command
pub const VK_SYSTEM_ALLOCATION_SCOPE_COMMAND : VkSystemAllocationScope = 0;
/// The allocation is scoped to the lifetime of the Vulkan object that is being created or used
pub const VK_SYSTEM_ALLOCATION_SCOPE_OBJECT : VkSystemAllocationScope = 1;
/// The allocation is scoped to the lifetime of a `VkPipelineCache` object
pub const VK_SYSTEM_ALLOCATION_SCOPE_CACHE : VkSystemAllocationScope = 2;
/// The allocation is scoped to the lifetime of the Vulkan device
pub const VK_SYSTEM_ALLOCATION_SCOPE_DEVICE : VkSystemAllocationScope = 3;
/// The allocation is scoped to the lifetime of the Vulkan instance
pub const VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE : VkSystemAllocationScope = 4;
pub const VK_SYSTEM_ALLOCATION_SCOPE_BEGIN_RANGE : VkSystemAllocationScope = VK_SYSTEM_ALLOCATION_SCOPE_COMMAND;
pub const VK_SYSTEM_ALLOCATION_SCOPE_END_RANGE : VkSystemAllocationScope = VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE;
pub const VK_SYSTEM_ALLOCATION_SCOPE_RANGE_SIZE : VkSystemAllocationScope = (VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE as i32 - VK_SYSTEM_ALLOCATION_SCOPE_COMMAND as i32 + 1i32) as u32;
pub const VK_SYSTEM_ALLOCATION_SCOPE_MAX_ENUM : VkSystemAllocationScope = 0x7FFFFFFF;

/// Allocation type
pub type VkInternalAllocationType = VkEnum;
/// The allocation is intended for execution by the host
pub const VK_INTERNAL_ALLOCATION_TYPE_EXECUTABLE : VkInternalAllocationType = 0;
pub const VK_INTERNAL_ALLOCATION_TYPE_BEGIN_RANGE : VkInternalAllocationType = VK_INTERNAL_ALLOCATION_TYPE_EXECUTABLE;
pub const VK_INTERNAL_ALLOCATION_TYPE_END_RANGE : VkInternalAllocationType = VK_INTERNAL_ALLOCATION_TYPE_EXECUTABLE;
pub const VK_INTERNAL_ALLOCATION_TYPE_RANGE_SIZE : VkInternalAllocationType = (VK_INTERNAL_ALLOCATION_TYPE_EXECUTABLE as i32 - VK_INTERNAL_ALLOCATION_TYPE_EXECUTABLE as i32 + 1i32) as u32;
pub const VK_INTERNAL_ALLOCATION_TYPE_MAX_ENUM : VkInternalAllocationType = 0x7FFFFFFF;

/// Available image formats
pub type VkFormat = VkEnum;
pub const VK_FORMAT_UNDEFINED : VkFormat = 0;
pub const VK_FORMAT_R4G4_UNORM_PACK8 : VkFormat = 1;
pub const VK_FORMAT_R4G4B4A4_UNORM_PACK16 : VkFormat = 2;
pub const VK_FORMAT_B4G4R4A4_UNORM_PACK16 : VkFormat = 3;
pub const VK_FORMAT_R5G6B5_UNORM_PACK16 : VkFormat = 4;
pub const VK_FORMAT_B5G6R5_UNORM_PACK16 : VkFormat = 5;
pub const VK_FORMAT_R5G5B5A1_UNORM_PACK16 : VkFormat = 6;
pub const VK_FORMAT_B5G5R5A1_UNORM_PACK16 : VkFormat = 7;
pub const VK_FORMAT_A1R5G5B5_UNORM_PACK16 : VkFormat = 8;
pub const VK_FORMAT_R8_UNORM : VkFormat = 9;
pub const VK_FORMAT_R8_SNORM : VkFormat = 10;
pub const VK_FORMAT_R8_USCALED : VkFormat = 11;
pub const VK_FORMAT_R8_SSCALED : VkFormat = 12;
pub const VK_FORMAT_R8_UINT : VkFormat = 13;
pub const VK_FORMAT_R8_SINT : VkFormat = 14;
pub const VK_FORMAT_R8_SRGB : VkFormat = 15;
pub const VK_FORMAT_R8G8_UNORM : VkFormat = 16;
pub const VK_FORMAT_R8G8_SNORM : VkFormat = 17;
pub const VK_FORMAT_R8G8_USCALED : VkFormat = 18;
pub const VK_FORMAT_R8G8_SSCALED : VkFormat = 19;
pub const VK_FORMAT_R8G8_UINT : VkFormat = 20;
pub const VK_FORMAT_R8G8_SINT : VkFormat = 21;
pub const VK_FORMAT_R8G8_SRGB : VkFormat = 22;
pub const VK_FORMAT_R8G8B8_UNORM : VkFormat = 23;
pub const VK_FORMAT_R8G8B8_SNORM : VkFormat = 24;
pub const VK_FORMAT_R8G8B8_USCALED : VkFormat = 25;
pub const VK_FORMAT_R8G8B8_SSCALED : VkFormat = 26;
pub const VK_FORMAT_R8G8B8_UINT : VkFormat = 27;
pub const VK_FORMAT_R8G8B8_SINT : VkFormat = 28;
pub const VK_FORMAT_R8G8B8_SRGB : VkFormat = 29;
pub const VK_FORMAT_B8G8R8_UNORM : VkFormat = 30;
pub const VK_FORMAT_B8G8R8_SNORM : VkFormat = 31;
pub const VK_FORMAT_B8G8R8_USCALED : VkFormat = 32;
pub const VK_FORMAT_B8G8R8_SSCALED : VkFormat = 33;
pub const VK_FORMAT_B8G8R8_UINT : VkFormat = 34;
pub const VK_FORMAT_B8G8R8_SINT : VkFormat = 35;
pub const VK_FORMAT_B8G8R8_SRGB : VkFormat = 36;
pub const VK_FORMAT_R8G8B8A8_UNORM : VkFormat = 37;
pub const VK_FORMAT_R8G8B8A8_SNORM : VkFormat = 38;
pub const VK_FORMAT_R8G8B8A8_USCALED : VkFormat = 39;
pub const VK_FORMAT_R8G8B8A8_SSCALED : VkFormat = 40;
pub const VK_FORMAT_R8G8B8A8_UINT : VkFormat = 41;
pub const VK_FORMAT_R8G8B8A8_SINT : VkFormat = 42;
pub const VK_FORMAT_R8G8B8A8_SRGB : VkFormat = 43;
pub const VK_FORMAT_B8G8R8A8_UNORM : VkFormat = 44;
pub const VK_FORMAT_B8G8R8A8_SNORM : VkFormat = 45;
pub const VK_FORMAT_B8G8R8A8_USCALED : VkFormat = 46;
pub const VK_FORMAT_B8G8R8A8_SSCALED : VkFormat = 47;
pub const VK_FORMAT_B8G8R8A8_UINT : VkFormat = 48;
pub const VK_FORMAT_B8G8R8A8_SINT : VkFormat = 49;
pub const VK_FORMAT_B8G8R8A8_SRGB : VkFormat = 50;
pub const VK_FORMAT_A8B8G8R8_UNORM_PACK32 : VkFormat = 51;
pub const VK_FORMAT_A8B8G8R8_SNORM_PACK32 : VkFormat = 52;
pub const VK_FORMAT_A8B8G8R8_USCALED_PACK32 : VkFormat = 53;
pub const VK_FORMAT_A8B8G8R8_SSCALED_PACK32 : VkFormat = 54;
pub const VK_FORMAT_A8B8G8R8_UINT_PACK32 : VkFormat = 55;
pub const VK_FORMAT_A8B8G8R8_SINT_PACK32 : VkFormat = 56;
pub const VK_FORMAT_A8B8G8R8_SRGB_PACK32 : VkFormat = 57;
pub const VK_FORMAT_A2R10G10B10_UNORM_PACK32 : VkFormat = 58;
pub const VK_FORMAT_A2R10G10B10_SNORM_PACK32 : VkFormat = 59;
pub const VK_FORMAT_A2R10G10B10_USCALED_PACK32 : VkFormat = 60;
pub const VK_FORMAT_A2R10G10B10_SSCALED_PACK32 : VkFormat = 61;
pub const VK_FORMAT_A2R10G10B10_UINT_PACK32 : VkFormat = 62;
pub const VK_FORMAT_A2R10G10B10_SINT_PACK32 : VkFormat = 63;
pub const VK_FORMAT_A2B10G10R10_UNORM_PACK32 : VkFormat = 64;
pub const VK_FORMAT_A2B10G10R10_SNORM_PACK32 : VkFormat = 65;
pub const VK_FORMAT_A2B10G10R10_USCALED_PACK32 : VkFormat = 66;
pub const VK_FORMAT_A2B10G10R10_SSCALED_PACK32 : VkFormat = 67;
pub const VK_FORMAT_A2B10G10R10_UINT_PACK32 : VkFormat = 68;
pub const VK_FORMAT_A2B10G10R10_SINT_PACK32 : VkFormat = 69;
pub const VK_FORMAT_R16_UNORM : VkFormat = 70;
pub const VK_FORMAT_R16_SNORM : VkFormat = 71;
pub const VK_FORMAT_R16_USCALED : VkFormat = 72;
pub const VK_FORMAT_R16_SSCALED : VkFormat = 73;
pub const VK_FORMAT_R16_UINT : VkFormat = 74;
pub const VK_FORMAT_R16_SINT : VkFormat = 75;
pub const VK_FORMAT_R16_SFLOAT : VkFormat = 76;
pub const VK_FORMAT_R16G16_UNORM : VkFormat = 77;
pub const VK_FORMAT_R16G16_SNORM : VkFormat = 78;
pub const VK_FORMAT_R16G16_USCALED : VkFormat = 79;
pub const VK_FORMAT_R16G16_SSCALED : VkFormat = 80;
pub const VK_FORMAT_R16G16_UINT : VkFormat = 81;
pub const VK_FORMAT_R16G16_SINT : VkFormat = 82;
pub const VK_FORMAT_R16G16_SFLOAT : VkFormat = 83;
pub const VK_FORMAT_R16G16B16_UNORM : VkFormat = 84;
pub const VK_FORMAT_R16G16B16_SNORM : VkFormat = 85;
pub const VK_FORMAT_R16G16B16_USCALED : VkFormat = 86;
pub const VK_FORMAT_R16G16B16_SSCALED : VkFormat = 87;
pub const VK_FORMAT_R16G16B16_UINT : VkFormat = 88;
pub const VK_FORMAT_R16G16B16_SINT : VkFormat = 89;
pub const VK_FORMAT_R16G16B16_SFLOAT : VkFormat = 90;
pub const VK_FORMAT_R16G16B16A16_UNORM : VkFormat = 91;
pub const VK_FORMAT_R16G16B16A16_SNORM : VkFormat = 92;
pub const VK_FORMAT_R16G16B16A16_USCALED : VkFormat = 93;
pub const VK_FORMAT_R16G16B16A16_SSCALED : VkFormat = 94;
pub const VK_FORMAT_R16G16B16A16_UINT : VkFormat = 95;
pub const VK_FORMAT_R16G16B16A16_SINT : VkFormat = 96;
pub const VK_FORMAT_R16G16B16A16_SFLOAT : VkFormat = 97;
pub const VK_FORMAT_R32_UINT : VkFormat = 98;
pub const VK_FORMAT_R32_SINT : VkFormat = 99;
pub const VK_FORMAT_R32_SFLOAT : VkFormat = 100;
pub const VK_FORMAT_R32G32_UINT : VkFormat = 101;
pub const VK_FORMAT_R32G32_SINT : VkFormat = 102;
pub const VK_FORMAT_R32G32_SFLOAT : VkFormat = 103;
pub const VK_FORMAT_R32G32B32_UINT : VkFormat = 104;
pub const VK_FORMAT_R32G32B32_SINT : VkFormat = 105;
pub const VK_FORMAT_R32G32B32_SFLOAT : VkFormat = 106;
pub const VK_FORMAT_R32G32B32A32_UINT : VkFormat = 107;
pub const VK_FORMAT_R32G32B32A32_SINT : VkFormat = 108;
pub const VK_FORMAT_R32G32B32A32_SFLOAT : VkFormat = 109;
pub const VK_FORMAT_R64_UINT : VkFormat = 110;
pub const VK_FORMAT_R64_SINT : VkFormat = 111;
pub const VK_FORMAT_R64_SFLOAT : VkFormat = 112;
pub const VK_FORMAT_R64G64_UINT : VkFormat = 113;
pub const VK_FORMAT_R64G64_SINT : VkFormat = 114;
pub const VK_FORMAT_R64G64_SFLOAT : VkFormat = 115;
pub const VK_FORMAT_R64G64B64_UINT : VkFormat = 116;
pub const VK_FORMAT_R64G64B64_SINT : VkFormat = 117;
pub const VK_FORMAT_R64G64B64_SFLOAT : VkFormat = 118;
pub const VK_FORMAT_R64G64B64A64_UINT : VkFormat = 119;
pub const VK_FORMAT_R64G64B64A64_SINT : VkFormat = 120;
pub const VK_FORMAT_R64G64B64A64_SFLOAT : VkFormat = 121;
pub const VK_FORMAT_B10G11R11_UFLOAT_PACK32 : VkFormat = 122;
pub const VK_FORMAT_E5B9G9R9_UFLOAT_PACK32 : VkFormat = 123;
pub const VK_FORMAT_D16_UNORM : VkFormat = 124;
pub const VK_FORMAT_X8_D24_UNORM_PACK32 : VkFormat = 125;
pub const VK_FORMAT_D32_SFLOAT : VkFormat = 126;
pub const VK_FORMAT_S8_UINT : VkFormat = 127;
pub const VK_FORMAT_D16_UNORM_S8_UINT : VkFormat = 128;
pub const VK_FORMAT_D24_UNORM_S8_UINT : VkFormat = 129;
pub const VK_FORMAT_D32_SFLOAT_S8_UINT : VkFormat = 130;
pub const VK_FORMAT_BC1_RGB_UNORM_BLOCK : VkFormat = 131;
pub const VK_FORMAT_BC1_RGB_SRGB_BLOCK : VkFormat = 132;
pub const VK_FORMAT_BC1_RGBA_UNORM_BLOCK : VkFormat = 133;
pub const VK_FORMAT_BC1_RGBA_SRGB_BLOCK : VkFormat = 134;
pub const VK_FORMAT_BC2_UNORM_BLOCK : VkFormat = 135;
pub const VK_FORMAT_BC2_SRGB_BLOCK : VkFormat = 136;
pub const VK_FORMAT_BC3_UNORM_BLOCK : VkFormat = 137;
pub const VK_FORMAT_BC3_SRGB_BLOCK : VkFormat = 138;
pub const VK_FORMAT_BC4_UNORM_BLOCK : VkFormat = 139;
pub const VK_FORMAT_BC4_SNORM_BLOCK : VkFormat = 140;
pub const VK_FORMAT_BC5_UNORM_BLOCK : VkFormat = 141;
pub const VK_FORMAT_BC5_SNORM_BLOCK : VkFormat = 142;
pub const VK_FORMAT_BC6H_UFLOAT_BLOCK : VkFormat = 143;
pub const VK_FORMAT_BC6H_SFLOAT_BLOCK : VkFormat = 144;
pub const VK_FORMAT_BC7_UNORM_BLOCK : VkFormat = 145;
pub const VK_FORMAT_BC7_SRGB_BLOCK : VkFormat = 146;
pub const VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK : VkFormat = 147;
pub const VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK : VkFormat = 148;
pub const VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK : VkFormat = 149;
pub const VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK : VkFormat = 150;
pub const VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK : VkFormat = 151;
pub const VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK : VkFormat = 152;
pub const VK_FORMAT_EAC_R11_UNORM_BLOCK : VkFormat = 153;
pub const VK_FORMAT_EAC_R11_SNORM_BLOCK : VkFormat = 154;
pub const VK_FORMAT_EAC_R11G11_UNORM_BLOCK : VkFormat = 155;
pub const VK_FORMAT_EAC_R11G11_SNORM_BLOCK : VkFormat = 156;
pub const VK_FORMAT_ASTC_4x4_UNORM_BLOCK : VkFormat = 157;
pub const VK_FORMAT_ASTC_4x4_SRGB_BLOCK : VkFormat = 158;
pub const VK_FORMAT_ASTC_5x4_UNORM_BLOCK : VkFormat = 159;
pub const VK_FORMAT_ASTC_5x4_SRGB_BLOCK : VkFormat = 160;
pub const VK_FORMAT_ASTC_5x5_UNORM_BLOCK : VkFormat = 161;
pub const VK_FORMAT_ASTC_5x5_SRGB_BLOCK : VkFormat = 162;
pub const VK_FORMAT_ASTC_6x5_UNORM_BLOCK : VkFormat = 163;
pub const VK_FORMAT_ASTC_6x5_SRGB_BLOCK : VkFormat = 164;
pub const VK_FORMAT_ASTC_6x6_UNORM_BLOCK : VkFormat = 165;
pub const VK_FORMAT_ASTC_6x6_SRGB_BLOCK : VkFormat = 166;
pub const VK_FORMAT_ASTC_8x5_UNORM_BLOCK : VkFormat = 167;
pub const VK_FORMAT_ASTC_8x5_SRGB_BLOCK : VkFormat = 168;
pub const VK_FORMAT_ASTC_8x6_UNORM_BLOCK : VkFormat = 169;
pub const VK_FORMAT_ASTC_8x6_SRGB_BLOCK : VkFormat = 170;
pub const VK_FORMAT_ASTC_8x8_UNORM_BLOCK : VkFormat = 171;
pub const VK_FORMAT_ASTC_8x8_SRGB_BLOCK : VkFormat = 172;
pub const VK_FORMAT_ASTC_10x5_UNORM_BLOCK : VkFormat = 173;
pub const VK_FORMAT_ASTC_10x5_SRGB_BLOCK : VkFormat = 174;
pub const VK_FORMAT_ASTC_10x6_UNORM_BLOCK : VkFormat = 175;
pub const VK_FORMAT_ASTC_10x6_SRGB_BLOCK : VkFormat = 176;
pub const VK_FORMAT_ASTC_10x8_UNORM_BLOCK : VkFormat = 177;
pub const VK_FORMAT_ASTC_10x8_SRGB_BLOCK : VkFormat = 178;
pub const VK_FORMAT_ASTC_10x10_UNORM_BLOCK : VkFormat = 179;
pub const VK_FORMAT_ASTC_10x10_SRGB_BLOCK : VkFormat = 180;
pub const VK_FORMAT_ASTC_12x10_UNORM_BLOCK : VkFormat = 181;
pub const VK_FORMAT_ASTC_12x10_SRGB_BLOCK : VkFormat = 182;
pub const VK_FORMAT_ASTC_12x12_UNORM_BLOCK : VkFormat = 183;
pub const VK_FORMAT_ASTC_12x12_SRGB_BLOCK : VkFormat = 184;
pub const VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG : VkFormat = 1000054000;
pub const VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG : VkFormat = 1000054001;
pub const VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG : VkFormat = 1000054002;
pub const VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG : VkFormat = 1000054003;
pub const VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG : VkFormat = 1000054004;
pub const VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG : VkFormat = 1000054005;
pub const VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG : VkFormat = 1000054006;
pub const VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG : VkFormat = 1000054007;
pub const VK_FORMAT_BEGIN_RANGE : VkFormat = VK_FORMAT_UNDEFINED;
pub const VK_FORMAT_END_RANGE : VkFormat = VK_FORMAT_ASTC_12x12_SRGB_BLOCK;
pub const VK_FORMAT_RANGE_SIZE : VkFormat = (VK_FORMAT_ASTC_12x12_SRGB_BLOCK as i32 - VK_FORMAT_UNDEFINED as i32 + 1i32) as u32;
pub const VK_FORMAT_MAX_ENUM : VkFormat = 0x7FFFFFFF;

/// Specifies the type of an image object
pub type VkImageType = VkEnum;
pub const VK_IMAGE_TYPE_1D : VkImageType = 0;
pub const VK_IMAGE_TYPE_2D : VkImageType = 1;
pub const VK_IMAGE_TYPE_3D : VkImageType = 2;
pub const VK_IMAGE_TYPE_BEGIN_RANGE : VkImageType = VK_IMAGE_TYPE_1D;
pub const VK_IMAGE_TYPE_END_RANGE : VkImageType = VK_IMAGE_TYPE_3D;
pub const VK_IMAGE_TYPE_RANGE_SIZE : VkImageType = (VK_IMAGE_TYPE_3D as i32 - VK_IMAGE_TYPE_1D as i32 + 1i32) as u32;
pub const VK_IMAGE_TYPE_MAX_ENUM : VkImageType = 0x7FFFFFFF;

/// Specifies the tiling arrangement of data in an image
pub type VkImageTiling = VkEnum;
pub const VK_IMAGE_TILING_OPTIMAL : VkImageTiling = 0;
pub const VK_IMAGE_TILING_LINEAR : VkImageTiling = 1;
pub const VK_IMAGE_TILING_BEGIN_RANGE : VkImageTiling = VK_IMAGE_TILING_OPTIMAL;
pub const VK_IMAGE_TILING_END_RANGE : VkImageTiling = VK_IMAGE_TILING_LINEAR;
pub const VK_IMAGE_TILING_RANGE_SIZE : VkImageTiling = (VK_IMAGE_TILING_LINEAR as i32 - VK_IMAGE_TILING_OPTIMAL as i32 + 1i32) as u32;
pub const VK_IMAGE_TILING_MAX_ENUM : VkImageTiling = 0x7FFFFFFF;

/// Supported physical device types
pub type VkPhysicalDeviceType = VkEnum;
pub const VK_PHYSICAL_DEVICE_TYPE_OTHER : VkPhysicalDeviceType = 0;
pub const VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU : VkPhysicalDeviceType = 1;
pub const VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU : VkPhysicalDeviceType = 2;
pub const VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU : VkPhysicalDeviceType = 3;
pub const VK_PHYSICAL_DEVICE_TYPE_CPU : VkPhysicalDeviceType = 4;
pub const VK_PHYSICAL_DEVICE_TYPE_BEGIN_RANGE : VkPhysicalDeviceType = VK_PHYSICAL_DEVICE_TYPE_OTHER;
pub const VK_PHYSICAL_DEVICE_TYPE_END_RANGE : VkPhysicalDeviceType = VK_PHYSICAL_DEVICE_TYPE_CPU;
pub const VK_PHYSICAL_DEVICE_TYPE_RANGE_SIZE : VkPhysicalDeviceType = (VK_PHYSICAL_DEVICE_TYPE_CPU as i32 - VK_PHYSICAL_DEVICE_TYPE_OTHER as i32 + 1i32) as u32;
pub const VK_PHYSICAL_DEVICE_TYPE_MAX_ENUM : VkPhysicalDeviceType = 0x7FFFFFFF;

/// Specify the type of queries managed by a query pool
pub type VkQueryType = VkEnum;
pub const VK_QUERY_TYPE_OCCLUSION : VkQueryType = 0;
/// Optional
pub const VK_QUERY_TYPE_PIPELINE_STATISTICS : VkQueryType = 1;
pub const VK_QUERY_TYPE_TIMESTAMP : VkQueryType = 2;
pub const VK_QUERY_TYPE_BEGIN_RANGE : VkQueryType = VK_QUERY_TYPE_OCCLUSION;
pub const VK_QUERY_TYPE_END_RANGE : VkQueryType = VK_QUERY_TYPE_TIMESTAMP;
pub const VK_QUERY_TYPE_RANGE_SIZE : VkQueryType = (VK_QUERY_TYPE_TIMESTAMP as i32 - VK_QUERY_TYPE_OCCLUSION as i32 + 1i32) as u32;
pub const VK_QUERY_TYPE_MAX_ENUM : VkQueryType = 0x7FFFFFFF;

/// Buffer and image sharing modes
pub type VkSharingMode = VkEnum;
pub const VK_SHARING_MODE_EXCLUSIVE : VkSharingMode = 0;
pub const VK_SHARING_MODE_CONCURRENT : VkSharingMode = 1;
pub const VK_SHARING_MODE_BEGIN_RANGE : VkSharingMode = VK_SHARING_MODE_EXCLUSIVE;
pub const VK_SHARING_MODE_END_RANGE : VkSharingMode = VK_SHARING_MODE_CONCURRENT;
pub const VK_SHARING_MODE_RANGE_SIZE : VkSharingMode = (VK_SHARING_MODE_CONCURRENT as i32 - VK_SHARING_MODE_EXCLUSIVE as i32 + 1i32) as u32;
pub const VK_SHARING_MODE_MAX_ENUM : VkSharingMode = 0x7FFFFFFF;

/// Layout of image and image subresources
pub type VkImageLayout = VkEnum;
/// Supports no device access
pub const VK_IMAGE_LAYOUT_UNDEFINED : VkImageLayout = 0;
/// Supports all types of device access
pub const VK_IMAGE_LAYOUT_GENERAL : VkImageLayout = 1;
/// must: only be used as a color or resolve attachment in a `VkFramebuffer`
pub const VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL : VkImageLayout = 2;
/// must: only be used as a depth/stencil attachment in a `VkFramebuffer`
pub const VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL : VkImageLayout = 3;
/// must: only be used as a read-only depth/stencil attachment in a `VkFramebuffer` and/or as a read-only image in a shader (which can: be read as a sampled image, combined image/sampler and/or input attachment)
pub const VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL : VkImageLayout = 4;
/// must: only be used as a read-only image in a shader (which can: be read as a sampled image, combined image/sampler and/or input attachment)
pub const VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL : VkImageLayout = 5;
/// must: only be used as a source image of a transfer command (see the definition of
pub const VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL : VkImageLayout = 6;
/// must: only be used as a destination image of a transfer command
pub const VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL : VkImageLayout = 7;
/// Supports no device access
pub const VK_IMAGE_LAYOUT_PREINITIALIZED : VkImageLayout = 8;
/// must: only be used for presenting a presentable image for display
pub const VK_IMAGE_LAYOUT_PRESENT_SRC_KHR : VkImageLayout = 1000001002;
/// is valid only for shared presentable images, and must: be used for any usage the image supports
pub const VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR : VkImageLayout = 1000111000;
pub const VK_IMAGE_LAYOUT_BEGIN_RANGE : VkImageLayout = VK_IMAGE_LAYOUT_UNDEFINED;
pub const VK_IMAGE_LAYOUT_END_RANGE : VkImageLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
pub const VK_IMAGE_LAYOUT_RANGE_SIZE : VkImageLayout = (VK_IMAGE_LAYOUT_PREINITIALIZED as i32 - VK_IMAGE_LAYOUT_UNDEFINED as i32 + 1i32) as u32;
pub const VK_IMAGE_LAYOUT_MAX_ENUM : VkImageLayout = 0x7FFFFFFF;

/// Image view types
pub type VkImageViewType = VkEnum;
pub const VK_IMAGE_VIEW_TYPE_1D : VkImageViewType = 0;
pub const VK_IMAGE_VIEW_TYPE_2D : VkImageViewType = 1;
pub const VK_IMAGE_VIEW_TYPE_3D : VkImageViewType = 2;
pub const VK_IMAGE_VIEW_TYPE_CUBE : VkImageViewType = 3;
pub const VK_IMAGE_VIEW_TYPE_1D_ARRAY : VkImageViewType = 4;
pub const VK_IMAGE_VIEW_TYPE_2D_ARRAY : VkImageViewType = 5;
pub const VK_IMAGE_VIEW_TYPE_CUBE_ARRAY : VkImageViewType = 6;
pub const VK_IMAGE_VIEW_TYPE_BEGIN_RANGE : VkImageViewType = VK_IMAGE_VIEW_TYPE_1D;
pub const VK_IMAGE_VIEW_TYPE_END_RANGE : VkImageViewType = VK_IMAGE_VIEW_TYPE_CUBE_ARRAY;
pub const VK_IMAGE_VIEW_TYPE_RANGE_SIZE : VkImageViewType = (VK_IMAGE_VIEW_TYPE_CUBE_ARRAY as i32 - VK_IMAGE_VIEW_TYPE_1D as i32 + 1i32) as u32;
pub const VK_IMAGE_VIEW_TYPE_MAX_ENUM : VkImageViewType = 0x7FFFFFFF;

/// Specify how a component is swizzled
pub type VkComponentSwizzle = VkEnum;
/// the component is set to the identity swizzle
pub const VK_COMPONENT_SWIZZLE_IDENTITY : VkComponentSwizzle = 0;
/// the component is set to zero
pub const VK_COMPONENT_SWIZZLE_ZERO : VkComponentSwizzle = 1;
/// the component is set to either 1 or 1
pub const VK_COMPONENT_SWIZZLE_ONE : VkComponentSwizzle = 2;
/// the component is set to the value of the R component of the image
pub const VK_COMPONENT_SWIZZLE_R : VkComponentSwizzle = 3;
/// the component is set to the value of the G component of the image
pub const VK_COMPONENT_SWIZZLE_G : VkComponentSwizzle = 4;
/// the component is set to the value of the B component of the image
pub const VK_COMPONENT_SWIZZLE_B : VkComponentSwizzle = 5;
/// the component is set to the value of the A component of the image
pub const VK_COMPONENT_SWIZZLE_A : VkComponentSwizzle = 6;
pub const VK_COMPONENT_SWIZZLE_BEGIN_RANGE : VkComponentSwizzle = VK_COMPONENT_SWIZZLE_IDENTITY;
pub const VK_COMPONENT_SWIZZLE_END_RANGE : VkComponentSwizzle = VK_COMPONENT_SWIZZLE_A;
pub const VK_COMPONENT_SWIZZLE_RANGE_SIZE : VkComponentSwizzle = (VK_COMPONENT_SWIZZLE_A as i32 - VK_COMPONENT_SWIZZLE_IDENTITY as i32 + 1i32) as u32;
pub const VK_COMPONENT_SWIZZLE_MAX_ENUM : VkComponentSwizzle = 0x7FFFFFFF;

/// Specify rate at which vertex attributes are pulled from buffers
pub type VkVertexInputRate = VkEnum;
pub const VK_VERTEX_INPUT_RATE_VERTEX : VkVertexInputRate = 0;
pub const VK_VERTEX_INPUT_RATE_INSTANCE : VkVertexInputRate = 1;
pub const VK_VERTEX_INPUT_RATE_BEGIN_RANGE : VkVertexInputRate = VK_VERTEX_INPUT_RATE_VERTEX;
pub const VK_VERTEX_INPUT_RATE_END_RANGE : VkVertexInputRate = VK_VERTEX_INPUT_RATE_INSTANCE;
pub const VK_VERTEX_INPUT_RATE_RANGE_SIZE : VkVertexInputRate = (VK_VERTEX_INPUT_RATE_INSTANCE as i32 - VK_VERTEX_INPUT_RATE_VERTEX as i32 + 1i32) as u32;
pub const VK_VERTEX_INPUT_RATE_MAX_ENUM : VkVertexInputRate = 0x7FFFFFFF;

/// Supported primitive topologies
pub type VkPrimitiveTopology = VkEnum;
pub const VK_PRIMITIVE_TOPOLOGY_POINT_LIST : VkPrimitiveTopology = 0;
pub const VK_PRIMITIVE_TOPOLOGY_LINE_LIST : VkPrimitiveTopology = 1;
pub const VK_PRIMITIVE_TOPOLOGY_LINE_STRIP : VkPrimitiveTopology = 2;
pub const VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST : VkPrimitiveTopology = 3;
pub const VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP : VkPrimitiveTopology = 4;
pub const VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN : VkPrimitiveTopology = 5;
pub const VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY : VkPrimitiveTopology = 6;
pub const VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY : VkPrimitiveTopology = 7;
pub const VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY : VkPrimitiveTopology = 8;
pub const VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY : VkPrimitiveTopology = 9;
pub const VK_PRIMITIVE_TOPOLOGY_PATCH_LIST : VkPrimitiveTopology = 10;
pub const VK_PRIMITIVE_TOPOLOGY_BEGIN_RANGE : VkPrimitiveTopology = VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
pub const VK_PRIMITIVE_TOPOLOGY_END_RANGE : VkPrimitiveTopology = VK_PRIMITIVE_TOPOLOGY_PATCH_LIST;
pub const VK_PRIMITIVE_TOPOLOGY_RANGE_SIZE : VkPrimitiveTopology = (VK_PRIMITIVE_TOPOLOGY_PATCH_LIST as i32 - VK_PRIMITIVE_TOPOLOGY_POINT_LIST as i32 + 1i32) as u32;
pub const VK_PRIMITIVE_TOPOLOGY_MAX_ENUM : VkPrimitiveTopology = 0x7FFFFFFF;

/// Control polygon rasterization mode
pub type VkPolygonMode = VkEnum;
pub const VK_POLYGON_MODE_FILL : VkPolygonMode = 0;
pub const VK_POLYGON_MODE_LINE : VkPolygonMode = 1;
pub const VK_POLYGON_MODE_POINT : VkPolygonMode = 2;
pub const VK_POLYGON_MODE_BEGIN_RANGE : VkPolygonMode = VK_POLYGON_MODE_FILL;
pub const VK_POLYGON_MODE_END_RANGE : VkPolygonMode = VK_POLYGON_MODE_POINT;
pub const VK_POLYGON_MODE_RANGE_SIZE : VkPolygonMode = (VK_POLYGON_MODE_POINT as i32 - VK_POLYGON_MODE_FILL as i32 + 1i32) as u32;
pub const VK_POLYGON_MODE_MAX_ENUM : VkPolygonMode = 0x7FFFFFFF;

/// Interpret polygon front-facing orientation
pub type VkFrontFace = VkEnum;
pub const VK_FRONT_FACE_COUNTER_CLOCKWISE : VkFrontFace = 0;
pub const VK_FRONT_FACE_CLOCKWISE : VkFrontFace = 1;
pub const VK_FRONT_FACE_BEGIN_RANGE : VkFrontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
pub const VK_FRONT_FACE_END_RANGE : VkFrontFace = VK_FRONT_FACE_CLOCKWISE;
pub const VK_FRONT_FACE_RANGE_SIZE : VkFrontFace = (VK_FRONT_FACE_CLOCKWISE as i32 - VK_FRONT_FACE_COUNTER_CLOCKWISE as i32 + 1i32) as u32;
pub const VK_FRONT_FACE_MAX_ENUM : VkFrontFace = 0x7FFFFFFF;

/// Stencil comparison function
pub type VkCompareOp = VkEnum;
/// the test never passes
pub const VK_COMPARE_OP_NEVER : VkCompareOp = 0;
/// the test passes when [eq]#R < S#
pub const VK_COMPARE_OP_LESS : VkCompareOp = 1;
/// the test passes when [eq]#R = S#
pub const VK_COMPARE_OP_EQUAL : VkCompareOp = 2;
/// the test passes when [eq]#R {leq} S#
pub const VK_COMPARE_OP_LESS_OR_EQUAL : VkCompareOp = 3;
/// the test passes when [eq]#R > S#
pub const VK_COMPARE_OP_GREATER : VkCompareOp = 4;
/// the test passes when [eq]#R {neq} S#
pub const VK_COMPARE_OP_NOT_EQUAL : VkCompareOp = 5;
/// the test passes when [eq]#R {geq} S#
pub const VK_COMPARE_OP_GREATER_OR_EQUAL : VkCompareOp = 6;
/// the test always passes
pub const VK_COMPARE_OP_ALWAYS : VkCompareOp = 7;
pub const VK_COMPARE_OP_BEGIN_RANGE : VkCompareOp = VK_COMPARE_OP_NEVER;
pub const VK_COMPARE_OP_END_RANGE : VkCompareOp = VK_COMPARE_OP_ALWAYS;
pub const VK_COMPARE_OP_RANGE_SIZE : VkCompareOp = (VK_COMPARE_OP_ALWAYS as i32 - VK_COMPARE_OP_NEVER as i32 + 1i32) as u32;
pub const VK_COMPARE_OP_MAX_ENUM : VkCompareOp = 0x7FFFFFFF;

/// Stencil comparison function
pub type VkStencilOp = VkEnum;
pub const VK_STENCIL_OP_KEEP : VkStencilOp = 0;
pub const VK_STENCIL_OP_ZERO : VkStencilOp = 1;
pub const VK_STENCIL_OP_REPLACE : VkStencilOp = 2;
pub const VK_STENCIL_OP_INCREMENT_AND_CLAMP : VkStencilOp = 3;
pub const VK_STENCIL_OP_DECREMENT_AND_CLAMP : VkStencilOp = 4;
pub const VK_STENCIL_OP_INVERT : VkStencilOp = 5;
pub const VK_STENCIL_OP_INCREMENT_AND_WRAP : VkStencilOp = 6;
pub const VK_STENCIL_OP_DECREMENT_AND_WRAP : VkStencilOp = 7;
pub const VK_STENCIL_OP_BEGIN_RANGE : VkStencilOp = VK_STENCIL_OP_KEEP;
pub const VK_STENCIL_OP_END_RANGE : VkStencilOp = VK_STENCIL_OP_DECREMENT_AND_WRAP;
pub const VK_STENCIL_OP_RANGE_SIZE : VkStencilOp = (VK_STENCIL_OP_DECREMENT_AND_WRAP as i32 - VK_STENCIL_OP_KEEP as i32 + 1i32) as u32;
pub const VK_STENCIL_OP_MAX_ENUM : VkStencilOp = 0x7FFFFFFF;

/// Framebuffer logical operations
pub type VkLogicOp = VkEnum;
pub const VK_LOGIC_OP_CLEAR : VkLogicOp = 0;
pub const VK_LOGIC_OP_AND : VkLogicOp = 1;
pub const VK_LOGIC_OP_AND_REVERSE : VkLogicOp = 2;
pub const VK_LOGIC_OP_COPY : VkLogicOp = 3;
pub const VK_LOGIC_OP_AND_INVERTED : VkLogicOp = 4;
pub const VK_LOGIC_OP_NO_OP : VkLogicOp = 5;
pub const VK_LOGIC_OP_XOR : VkLogicOp = 6;
pub const VK_LOGIC_OP_OR : VkLogicOp = 7;
pub const VK_LOGIC_OP_NOR : VkLogicOp = 8;
pub const VK_LOGIC_OP_EQUIVALENT : VkLogicOp = 9;
pub const VK_LOGIC_OP_INVERT : VkLogicOp = 10;
pub const VK_LOGIC_OP_OR_REVERSE : VkLogicOp = 11;
pub const VK_LOGIC_OP_COPY_INVERTED : VkLogicOp = 12;
pub const VK_LOGIC_OP_OR_INVERTED : VkLogicOp = 13;
pub const VK_LOGIC_OP_NAND : VkLogicOp = 14;
pub const VK_LOGIC_OP_SET : VkLogicOp = 15;
pub const VK_LOGIC_OP_BEGIN_RANGE : VkLogicOp = VK_LOGIC_OP_CLEAR;
pub const VK_LOGIC_OP_END_RANGE : VkLogicOp = VK_LOGIC_OP_SET;
pub const VK_LOGIC_OP_RANGE_SIZE : VkLogicOp = (VK_LOGIC_OP_SET as i32 - VK_LOGIC_OP_CLEAR as i32 + 1i32) as u32;
pub const VK_LOGIC_OP_MAX_ENUM : VkLogicOp = 0x7FFFFFFF;

/// Framebuffer blending factors
pub type VkBlendFactor = VkEnum;
pub const VK_BLEND_FACTOR_ZERO : VkBlendFactor = 0;
pub const VK_BLEND_FACTOR_ONE : VkBlendFactor = 1;
pub const VK_BLEND_FACTOR_SRC_COLOR : VkBlendFactor = 2;
pub const VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR : VkBlendFactor = 3;
pub const VK_BLEND_FACTOR_DST_COLOR : VkBlendFactor = 4;
pub const VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR : VkBlendFactor = 5;
pub const VK_BLEND_FACTOR_SRC_ALPHA : VkBlendFactor = 6;
pub const VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA : VkBlendFactor = 7;
pub const VK_BLEND_FACTOR_DST_ALPHA : VkBlendFactor = 8;
pub const VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA : VkBlendFactor = 9;
pub const VK_BLEND_FACTOR_CONSTANT_COLOR : VkBlendFactor = 10;
pub const VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR : VkBlendFactor = 11;
pub const VK_BLEND_FACTOR_CONSTANT_ALPHA : VkBlendFactor = 12;
pub const VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA : VkBlendFactor = 13;
pub const VK_BLEND_FACTOR_SRC_ALPHA_SATURATE : VkBlendFactor = 14;
pub const VK_BLEND_FACTOR_SRC1_COLOR : VkBlendFactor = 15;
pub const VK_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR : VkBlendFactor = 16;
pub const VK_BLEND_FACTOR_SRC1_ALPHA : VkBlendFactor = 17;
pub const VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA : VkBlendFactor = 18;
pub const VK_BLEND_FACTOR_BEGIN_RANGE : VkBlendFactor = VK_BLEND_FACTOR_ZERO;
pub const VK_BLEND_FACTOR_END_RANGE : VkBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA;
pub const VK_BLEND_FACTOR_RANGE_SIZE : VkBlendFactor = (VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA as i32 - VK_BLEND_FACTOR_ZERO as i32 + 1i32) as u32;
pub const VK_BLEND_FACTOR_MAX_ENUM : VkBlendFactor = 0x7FFFFFFF;

/// Framebuffer blending operations
pub type VkBlendOp = VkEnum;
pub const VK_BLEND_OP_ADD : VkBlendOp = 0;
pub const VK_BLEND_OP_SUBTRACT : VkBlendOp = 1;
pub const VK_BLEND_OP_REVERSE_SUBTRACT : VkBlendOp = 2;
pub const VK_BLEND_OP_MIN : VkBlendOp = 3;
pub const VK_BLEND_OP_MAX : VkBlendOp = 4;
pub const VK_BLEND_OP_BEGIN_RANGE : VkBlendOp = VK_BLEND_OP_ADD;
pub const VK_BLEND_OP_END_RANGE : VkBlendOp = VK_BLEND_OP_MAX;
pub const VK_BLEND_OP_RANGE_SIZE : VkBlendOp = (VK_BLEND_OP_MAX as i32 - VK_BLEND_OP_ADD as i32 + 1i32) as u32;
pub const VK_BLEND_OP_MAX_ENUM : VkBlendOp = 0x7FFFFFFF;

/// Indicate which dynamic state is taken from dynamic state commands
pub type VkDynamicState = VkEnum;
pub const VK_DYNAMIC_STATE_VIEWPORT : VkDynamicState = 0;
pub const VK_DYNAMIC_STATE_SCISSOR : VkDynamicState = 1;
pub const VK_DYNAMIC_STATE_LINE_WIDTH : VkDynamicState = 2;
pub const VK_DYNAMIC_STATE_DEPTH_BIAS : VkDynamicState = 3;
pub const VK_DYNAMIC_STATE_BLEND_CONSTANTS : VkDynamicState = 4;
pub const VK_DYNAMIC_STATE_DEPTH_BOUNDS : VkDynamicState = 5;
pub const VK_DYNAMIC_STATE_STENCIL_COMPARE_MASK : VkDynamicState = 6;
pub const VK_DYNAMIC_STATE_STENCIL_WRITE_MASK : VkDynamicState = 7;
pub const VK_DYNAMIC_STATE_STENCIL_REFERENCE : VkDynamicState = 8;
pub const VK_DYNAMIC_STATE_VIEWPORT_W_SCALING_NV : VkDynamicState = 1000087000;
pub const VK_DYNAMIC_STATE_DISCARD_RECTANGLE_EXT : VkDynamicState = 1000099000;
pub const VK_DYNAMIC_STATE_BEGIN_RANGE : VkDynamicState = VK_DYNAMIC_STATE_VIEWPORT;
pub const VK_DYNAMIC_STATE_END_RANGE : VkDynamicState = VK_DYNAMIC_STATE_STENCIL_REFERENCE;
pub const VK_DYNAMIC_STATE_RANGE_SIZE : VkDynamicState = (VK_DYNAMIC_STATE_STENCIL_REFERENCE as i32 - VK_DYNAMIC_STATE_VIEWPORT as i32 + 1i32) as u32;
pub const VK_DYNAMIC_STATE_MAX_ENUM : VkDynamicState = 0x7FFFFFFF;

/// Specify filters used for texture lookups
pub type VkFilter = VkEnum;
pub const VK_FILTER_NEAREST : VkFilter = 0;
pub const VK_FILTER_LINEAR : VkFilter = 1;
pub const VK_FILTER_CUBIC_IMG : VkFilter = 1000015000;
pub const VK_FILTER_BEGIN_RANGE : VkFilter = VK_FILTER_NEAREST;
pub const VK_FILTER_END_RANGE : VkFilter = VK_FILTER_LINEAR;
pub const VK_FILTER_RANGE_SIZE : VkFilter = (VK_FILTER_LINEAR as i32 - VK_FILTER_NEAREST as i32 + 1i32) as u32;
pub const VK_FILTER_MAX_ENUM : VkFilter = 0x7FFFFFFF;

/// Specify mipmap mode used for texture lookups
pub type VkSamplerMipmapMode = VkEnum;
/// Choose nearest mip level
pub const VK_SAMPLER_MIPMAP_MODE_NEAREST : VkSamplerMipmapMode = 0;
/// Linear filter between mip levels
pub const VK_SAMPLER_MIPMAP_MODE_LINEAR : VkSamplerMipmapMode = 1;
pub const VK_SAMPLER_MIPMAP_MODE_BEGIN_RANGE : VkSamplerMipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
pub const VK_SAMPLER_MIPMAP_MODE_END_RANGE : VkSamplerMipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
pub const VK_SAMPLER_MIPMAP_MODE_RANGE_SIZE : VkSamplerMipmapMode = (VK_SAMPLER_MIPMAP_MODE_LINEAR as i32 - VK_SAMPLER_MIPMAP_MODE_NEAREST as i32 + 1i32) as u32;
pub const VK_SAMPLER_MIPMAP_MODE_MAX_ENUM : VkSamplerMipmapMode = 0x7FFFFFFF;

/// Specify behavior of sampling with texture coordinates outside an image
pub type VkSamplerAddressMode = VkEnum;
pub const VK_SAMPLER_ADDRESS_MODE_REPEAT : VkSamplerAddressMode = 0;
pub const VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT : VkSamplerAddressMode = 1;
pub const VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE : VkSamplerAddressMode = 2;
pub const VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER : VkSamplerAddressMode = 3;
/// Note that this defines what was previously a core enum, and so uses the 'value' attribute rather than 'offset', and does not have a suffix. This is a special case, and should not be repeated
pub const VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE : VkSamplerAddressMode = 4;
pub const VK_SAMPLER_ADDRESS_MODE_BEGIN_RANGE : VkSamplerAddressMode = VK_SAMPLER_ADDRESS_MODE_REPEAT;
pub const VK_SAMPLER_ADDRESS_MODE_END_RANGE : VkSamplerAddressMode = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER;
pub const VK_SAMPLER_ADDRESS_MODE_RANGE_SIZE : VkSamplerAddressMode = (VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER as i32 - VK_SAMPLER_ADDRESS_MODE_REPEAT as i32 + 1i32) as u32;
pub const VK_SAMPLER_ADDRESS_MODE_MAX_ENUM : VkSamplerAddressMode = 0x7FFFFFFF;

/// Specify border color used for texture lookups
pub type VkBorderColor = VkEnum;
pub const VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK : VkBorderColor = 0;
pub const VK_BORDER_COLOR_INT_TRANSPARENT_BLACK : VkBorderColor = 1;
pub const VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK : VkBorderColor = 2;
pub const VK_BORDER_COLOR_INT_OPAQUE_BLACK : VkBorderColor = 3;
pub const VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE : VkBorderColor = 4;
pub const VK_BORDER_COLOR_INT_OPAQUE_WHITE : VkBorderColor = 5;
pub const VK_BORDER_COLOR_BEGIN_RANGE : VkBorderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
pub const VK_BORDER_COLOR_END_RANGE : VkBorderColor = VK_BORDER_COLOR_INT_OPAQUE_WHITE;
pub const VK_BORDER_COLOR_RANGE_SIZE : VkBorderColor = (VK_BORDER_COLOR_INT_OPAQUE_WHITE as i32 - VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK as i32 + 1i32) as u32;
pub const VK_BORDER_COLOR_MAX_ENUM : VkBorderColor = 0x7FFFFFFF;

/// Specifies the type of a descriptor in a descriptor set
pub type VkDescriptorType = VkEnum;
pub const VK_DESCRIPTOR_TYPE_SAMPLER : VkDescriptorType = 0;
pub const VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER : VkDescriptorType = 1;
pub const VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE : VkDescriptorType = 2;
pub const VK_DESCRIPTOR_TYPE_STORAGE_IMAGE : VkDescriptorType = 3;
pub const VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER : VkDescriptorType = 4;
pub const VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER : VkDescriptorType = 5;
pub const VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER : VkDescriptorType = 6;
pub const VK_DESCRIPTOR_TYPE_STORAGE_BUFFER : VkDescriptorType = 7;
pub const VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC : VkDescriptorType = 8;
pub const VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC : VkDescriptorType = 9;
pub const VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT : VkDescriptorType = 10;
pub const VK_DESCRIPTOR_TYPE_BEGIN_RANGE : VkDescriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
pub const VK_DESCRIPTOR_TYPE_END_RANGE : VkDescriptorType = VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT;
pub const VK_DESCRIPTOR_TYPE_RANGE_SIZE : VkDescriptorType = (VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT as i32 - VK_DESCRIPTOR_TYPE_SAMPLER as i32 + 1i32) as u32;
pub const VK_DESCRIPTOR_TYPE_MAX_ENUM : VkDescriptorType = 0x7FFFFFFF;

/// Specify how contents of an attachment are treated at the beginning of a subpass
pub type VkAttachmentLoadOp = VkEnum;
pub const VK_ATTACHMENT_LOAD_OP_LOAD : VkAttachmentLoadOp = 0;
pub const VK_ATTACHMENT_LOAD_OP_CLEAR : VkAttachmentLoadOp = 1;
pub const VK_ATTACHMENT_LOAD_OP_DONT_CARE : VkAttachmentLoadOp = 2;
pub const VK_ATTACHMENT_LOAD_OP_BEGIN_RANGE : VkAttachmentLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
pub const VK_ATTACHMENT_LOAD_OP_END_RANGE : VkAttachmentLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
pub const VK_ATTACHMENT_LOAD_OP_RANGE_SIZE : VkAttachmentLoadOp = (VK_ATTACHMENT_LOAD_OP_DONT_CARE as i32 - VK_ATTACHMENT_LOAD_OP_LOAD as i32 + 1i32) as u32;
pub const VK_ATTACHMENT_LOAD_OP_MAX_ENUM : VkAttachmentLoadOp = 0x7FFFFFFF;

/// Specify how contents of an attachment are treated at the end of a subpass
pub type VkAttachmentStoreOp = VkEnum;
pub const VK_ATTACHMENT_STORE_OP_STORE : VkAttachmentStoreOp = 0;
pub const VK_ATTACHMENT_STORE_OP_DONT_CARE : VkAttachmentStoreOp = 1;
pub const VK_ATTACHMENT_STORE_OP_BEGIN_RANGE : VkAttachmentStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
pub const VK_ATTACHMENT_STORE_OP_END_RANGE : VkAttachmentStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
pub const VK_ATTACHMENT_STORE_OP_RANGE_SIZE : VkAttachmentStoreOp = (VK_ATTACHMENT_STORE_OP_DONT_CARE as i32 - VK_ATTACHMENT_STORE_OP_STORE as i32 + 1i32) as u32;
pub const VK_ATTACHMENT_STORE_OP_MAX_ENUM : VkAttachmentStoreOp = 0x7FFFFFFF;

/// Specify the bind point of a pipeline object to a command buffer
pub type VkPipelineBindPoint = VkEnum;
pub const VK_PIPELINE_BIND_POINT_GRAPHICS : VkPipelineBindPoint = 0;
pub const VK_PIPELINE_BIND_POINT_COMPUTE : VkPipelineBindPoint = 1;
pub const VK_PIPELINE_BIND_POINT_BEGIN_RANGE : VkPipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
pub const VK_PIPELINE_BIND_POINT_END_RANGE : VkPipelineBindPoint = VK_PIPELINE_BIND_POINT_COMPUTE;
pub const VK_PIPELINE_BIND_POINT_RANGE_SIZE : VkPipelineBindPoint = (VK_PIPELINE_BIND_POINT_COMPUTE as i32 - VK_PIPELINE_BIND_POINT_GRAPHICS as i32 + 1i32) as u32;
pub const VK_PIPELINE_BIND_POINT_MAX_ENUM : VkPipelineBindPoint = 0x7FFFFFFF;

/// Structure specifying a command buffer level
pub type VkCommandBufferLevel = VkEnum;
pub const VK_COMMAND_BUFFER_LEVEL_PRIMARY : VkCommandBufferLevel = 0;
pub const VK_COMMAND_BUFFER_LEVEL_SECONDARY : VkCommandBufferLevel = 1;
pub const VK_COMMAND_BUFFER_LEVEL_BEGIN_RANGE : VkCommandBufferLevel = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
pub const VK_COMMAND_BUFFER_LEVEL_END_RANGE : VkCommandBufferLevel = VK_COMMAND_BUFFER_LEVEL_SECONDARY;
pub const VK_COMMAND_BUFFER_LEVEL_RANGE_SIZE : VkCommandBufferLevel = (VK_COMMAND_BUFFER_LEVEL_SECONDARY as i32 - VK_COMMAND_BUFFER_LEVEL_PRIMARY as i32 + 1i32) as u32;
pub const VK_COMMAND_BUFFER_LEVEL_MAX_ENUM : VkCommandBufferLevel = 0x7FFFFFFF;

/// Type of index buffer indices
pub type VkIndexType = VkEnum;
pub const VK_INDEX_TYPE_UINT16 : VkIndexType = 0;
pub const VK_INDEX_TYPE_UINT32 : VkIndexType = 1;
pub const VK_INDEX_TYPE_BEGIN_RANGE : VkIndexType = VK_INDEX_TYPE_UINT16;
pub const VK_INDEX_TYPE_END_RANGE : VkIndexType = VK_INDEX_TYPE_UINT32;
pub const VK_INDEX_TYPE_RANGE_SIZE : VkIndexType = (VK_INDEX_TYPE_UINT32 as i32 - VK_INDEX_TYPE_UINT16 as i32 + 1i32) as u32;
pub const VK_INDEX_TYPE_MAX_ENUM : VkIndexType = 0x7FFFFFFF;

/// Specify how commands in the first subpass of a render pass are provided
pub type VkSubpassContents = VkEnum;
pub const VK_SUBPASS_CONTENTS_INLINE : VkSubpassContents = 0;
pub const VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS : VkSubpassContents = 1;
pub const VK_SUBPASS_CONTENTS_BEGIN_RANGE : VkSubpassContents = VK_SUBPASS_CONTENTS_INLINE;
pub const VK_SUBPASS_CONTENTS_END_RANGE : VkSubpassContents = VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS;
pub const VK_SUBPASS_CONTENTS_RANGE_SIZE : VkSubpassContents = (VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS as i32 - VK_SUBPASS_CONTENTS_INLINE as i32 + 1i32) as u32;
pub const VK_SUBPASS_CONTENTS_MAX_ENUM : VkSubpassContents = 0x7FFFFFFF;

/// Specify an enumeration to track object handle types
pub type VkObjectType = VkEnum;
pub const VK_OBJECT_TYPE_UNKNOWN : VkObjectType = 0;
/// VkInstance
pub const VK_OBJECT_TYPE_INSTANCE : VkObjectType = 1;
/// VkPhysicalDevice
pub const VK_OBJECT_TYPE_PHYSICAL_DEVICE : VkObjectType = 2;
/// VkDevice
pub const VK_OBJECT_TYPE_DEVICE : VkObjectType = 3;
/// VkQueue
pub const VK_OBJECT_TYPE_QUEUE : VkObjectType = 4;
/// VkSemaphore
pub const VK_OBJECT_TYPE_SEMAPHORE : VkObjectType = 5;
/// VkCommandBuffer
pub const VK_OBJECT_TYPE_COMMAND_BUFFER : VkObjectType = 6;
/// VkFence
pub const VK_OBJECT_TYPE_FENCE : VkObjectType = 7;
/// VkDeviceMemory
pub const VK_OBJECT_TYPE_DEVICE_MEMORY : VkObjectType = 8;
/// VkBuffer
pub const VK_OBJECT_TYPE_BUFFER : VkObjectType = 9;
/// VkImage
pub const VK_OBJECT_TYPE_IMAGE : VkObjectType = 10;
/// VkEvent
pub const VK_OBJECT_TYPE_EVENT : VkObjectType = 11;
/// VkQueryPool
pub const VK_OBJECT_TYPE_QUERY_POOL : VkObjectType = 12;
/// VkBufferView
pub const VK_OBJECT_TYPE_BUFFER_VIEW : VkObjectType = 13;
/// VkImageView
pub const VK_OBJECT_TYPE_IMAGE_VIEW : VkObjectType = 14;
/// VkShaderModule
pub const VK_OBJECT_TYPE_SHADER_MODULE : VkObjectType = 15;
/// VkPipelineCache
pub const VK_OBJECT_TYPE_PIPELINE_CACHE : VkObjectType = 16;
/// VkPipelineLayout
pub const VK_OBJECT_TYPE_PIPELINE_LAYOUT : VkObjectType = 17;
/// VkRenderPass
pub const VK_OBJECT_TYPE_RENDER_PASS : VkObjectType = 18;
/// VkPipeline
pub const VK_OBJECT_TYPE_PIPELINE : VkObjectType = 19;
/// VkDescriptorSetLayout
pub const VK_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT : VkObjectType = 20;
/// VkSampler
pub const VK_OBJECT_TYPE_SAMPLER : VkObjectType = 21;
/// VkDescriptorPool
pub const VK_OBJECT_TYPE_DESCRIPTOR_POOL : VkObjectType = 22;
/// VkDescriptorSet
pub const VK_OBJECT_TYPE_DESCRIPTOR_SET : VkObjectType = 23;
/// VkFramebuffer
pub const VK_OBJECT_TYPE_FRAMEBUFFER : VkObjectType = 24;
/// VkCommandPool
pub const VK_OBJECT_TYPE_COMMAND_POOL : VkObjectType = 25;
/// VkSurfaceKHR
pub const VK_OBJECT_TYPE_SURFACE_KHR : VkObjectType = 1000000000;
/// VkSwapchainKHR
pub const VK_OBJECT_TYPE_SWAPCHAIN_KHR : VkObjectType = 1000001000;
/// VkDisplayKHR
pub const VK_OBJECT_TYPE_DISPLAY_KHR : VkObjectType = 1000002000;
/// VkDisplayModeKHR
pub const VK_OBJECT_TYPE_DISPLAY_MODE_KHR : VkObjectType = 1000002001;
/// VkDebugReportCallbackEXT
pub const VK_OBJECT_TYPE_DEBUG_REPORT_CALLBACK_EXT : VkObjectType = 1000011000;
/// VkDescriptorUpdateTemplateKHR
pub const VK_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_KHR : VkObjectType = 1000085000;
/// VkobjectTableNVX
pub const VK_OBJECT_TYPE_OBJECT_TABLE_NVX : VkObjectType = 1000086000;
/// VkIndirectCommandsLayoutNVX
pub const VK_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX : VkObjectType = 1000086001;
pub const VK_OBJECT_TYPE_BEGIN_RANGE : VkObjectType = VK_OBJECT_TYPE_UNKNOWN;
pub const VK_OBJECT_TYPE_END_RANGE : VkObjectType = VK_OBJECT_TYPE_COMMAND_POOL;
pub const VK_OBJECT_TYPE_RANGE_SIZE : VkObjectType = (VK_OBJECT_TYPE_COMMAND_POOL as i32 - VK_OBJECT_TYPE_UNKNOWN as i32 + 1i32) as u32;
pub const VK_OBJECT_TYPE_MAX_ENUM : VkObjectType = 0x7FFFFFFF;

pub use self::VkEnum as VkInstanceCreateFlags;

/// Bitmask specifying features supported by a buffer
pub type VkFormatFeatureFlagBits = VkEnum;
/// Format can be used for sampled images (SAMPLED_IMAGE and COMBINED_IMAGE_SAMPLER descriptor types)
pub const VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT : VkFormatFeatureFlagBits = 0x00000001;
/// Format can be used for storage images (STORAGE_IMAGE descriptor type)
pub const VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT : VkFormatFeatureFlagBits = 0x00000002;
/// Format supports atomic operations in case it is used for storage images
pub const VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT : VkFormatFeatureFlagBits = 0x00000004;
/// Format can be used for uniform texel buffers (TBOs)
pub const VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT : VkFormatFeatureFlagBits = 0x00000008;
/// Format can be used for storage texel buffers (IBOs)
pub const VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT : VkFormatFeatureFlagBits = 0x00000010;
/// Format supports atomic operations in case it is used for storage texel buffers
pub const VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT : VkFormatFeatureFlagBits = 0x00000020;
/// Format can be used for vertex buffers (VBOs)
pub const VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT : VkFormatFeatureFlagBits = 0x00000040;
/// Format can be used for color attachment images
pub const VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT : VkFormatFeatureFlagBits = 0x00000080;
/// Format supports blending in case it is used for color attachment images
pub const VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT : VkFormatFeatureFlagBits = 0x00000100;
/// Format can be used for depth/stencil attachment images
pub const VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT : VkFormatFeatureFlagBits = 0x00000200;
/// Format can be used as the source image of blits with vkCmdBlitImage
pub const VK_FORMAT_FEATURE_BLIT_SRC_BIT : VkFormatFeatureFlagBits = 0x00000400;
/// Format can be used as the destination image of blits with vkCmdBlitImage
pub const VK_FORMAT_FEATURE_BLIT_DST_BIT : VkFormatFeatureFlagBits = 0x00000800;
/// Format can be filtered with VK_FILTER_LINEAR when being sampled
pub const VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT : VkFormatFeatureFlagBits = 0x00001000;
/// Format can be filtered with VK_FILTER_CUBIC_IMG when being sampled
pub const VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_CUBIC_BIT_IMG : VkFormatFeatureFlagBits = 0x00002000;
/// Format can be used as the source image of image transfer commands
pub const VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR : VkFormatFeatureFlagBits = 0x00004000;
/// Format can be used as the destination image of image transfer commands
pub const VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR : VkFormatFeatureFlagBits = 0x00008000;
pub const VK_FORMAT_FEATURE_FLAG_BITS_MAX_ENUM : VkFormatFeatureFlagBits = 0x7FFFFFFF;
pub use self::VkFormatFeatureFlagBits as VkFormatFeatureFlags;

/// Bitmask specifying intended usage of an image
pub type VkImageUsageFlagBits = VkEnum;
/// Can be used as a source of transfer operations
pub const VK_IMAGE_USAGE_TRANSFER_SRC_BIT : VkImageUsageFlagBits = 0x00000001;
/// Can be used as a destination of transfer operations
pub const VK_IMAGE_USAGE_TRANSFER_DST_BIT : VkImageUsageFlagBits = 0x00000002;
/// Can be sampled from (SAMPLED_IMAGE and COMBINED_IMAGE_SAMPLER descriptor types)
pub const VK_IMAGE_USAGE_SAMPLED_BIT : VkImageUsageFlagBits = 0x00000004;
/// Can be used as storage image (STORAGE_IMAGE descriptor type)
pub const VK_IMAGE_USAGE_STORAGE_BIT : VkImageUsageFlagBits = 0x00000008;
/// Can be used as framebuffer color attachment
pub const VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT : VkImageUsageFlagBits = 0x00000010;
/// Can be used as framebuffer depth/stencil attachment
pub const VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT : VkImageUsageFlagBits = 0x00000020;
/// Image data not needed outside of rendering
pub const VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT : VkImageUsageFlagBits = 0x00000040;
/// Can be used as framebuffer input attachment
pub const VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT : VkImageUsageFlagBits = 0x00000080;
pub const VK_IMAGE_USAGE_FLAG_BITS_MAX_ENUM : VkImageUsageFlagBits = 0x7FFFFFFF;
pub use self::VkImageUsageFlagBits as VkImageUsageFlags;

/// Bitmask specifying additional parameters of an image
pub type VkImageCreateFlagBits = VkEnum;
/// Image should support sparse backing
pub const VK_IMAGE_CREATE_SPARSE_BINDING_BIT : VkImageCreateFlagBits = 0x00000001;
/// Image should support sparse backing with partial residency
pub const VK_IMAGE_CREATE_SPARSE_RESIDENCY_BIT : VkImageCreateFlagBits = 0x00000002;
/// Image should support constent data access to physical memory ranges mapped into multiple locations of sparse images
pub const VK_IMAGE_CREATE_SPARSE_ALIASED_BIT : VkImageCreateFlagBits = 0x00000004;
/// Allows image views to have different format than the base image
pub const VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT : VkImageCreateFlagBits = 0x00000008;
/// Allows creating image views with cube type from the created image
pub const VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT : VkImageCreateFlagBits = 0x00000010;
/// Allows using VkBindImageMemoryInfoKHX::pSFRRects when binding memory to the image
pub const VK_IMAGE_CREATE_BIND_SFR_BIT_KHX : VkImageCreateFlagBits = 0x00000040;
/// The 3D image can be viewed as a 2D or 2D array image
pub const VK_IMAGE_CREATE_2D_ARRAY_COMPATIBLE_BIT_KHR : VkImageCreateFlagBits = 0x00000020;
pub const VK_IMAGE_CREATE_FLAG_BITS_MAX_ENUM : VkImageCreateFlagBits = 0x7FFFFFFF;
pub use self::VkImageCreateFlagBits as VkImageCreateFlags;

/// Bitmask specifying sample counts supported for an image used for storage operations
pub type VkSampleCountFlagBits = VkEnum;
/// Sample count 1 supported
pub const VK_SAMPLE_COUNT_1_BIT : VkSampleCountFlagBits = 0x00000001;
/// Sample count 2 supported
pub const VK_SAMPLE_COUNT_2_BIT : VkSampleCountFlagBits = 0x00000002;
/// Sample count 4 supported
pub const VK_SAMPLE_COUNT_4_BIT : VkSampleCountFlagBits = 0x00000004;
/// Sample count 8 supported
pub const VK_SAMPLE_COUNT_8_BIT : VkSampleCountFlagBits = 0x00000008;
/// Sample count 16 supported
pub const VK_SAMPLE_COUNT_16_BIT : VkSampleCountFlagBits = 0x00000010;
/// Sample count 32 supported
pub const VK_SAMPLE_COUNT_32_BIT : VkSampleCountFlagBits = 0x00000020;
/// Sample count 64 supported
pub const VK_SAMPLE_COUNT_64_BIT : VkSampleCountFlagBits = 0x00000040;
pub const VK_SAMPLE_COUNT_FLAG_BITS_MAX_ENUM : VkSampleCountFlagBits = 0x7FFFFFFF;
pub use self::VkSampleCountFlagBits as VkSampleCountFlags;

/// Bitmask specifying capabilities of queues in a queue family
pub type VkQueueFlagBits = VkEnum;
/// Queue supports graphics operations
pub const VK_QUEUE_GRAPHICS_BIT : VkQueueFlagBits = 0x00000001;
/// Queue supports compute operations
pub const VK_QUEUE_COMPUTE_BIT : VkQueueFlagBits = 0x00000002;
/// Queue supports transfer operations
pub const VK_QUEUE_TRANSFER_BIT : VkQueueFlagBits = 0x00000004;
/// Queue supports sparse resource memory management operations
pub const VK_QUEUE_SPARSE_BINDING_BIT : VkQueueFlagBits = 0x00000008;
pub const VK_QUEUE_FLAG_BITS_MAX_ENUM : VkQueueFlagBits = 0x7FFFFFFF;
pub use self::VkQueueFlagBits as VkQueueFlags;

/// Bitmask specifying properties for a memory type
pub type VkMemoryPropertyFlagBits = VkEnum;
/// If otherwise stated, then allocate memory on device
pub const VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT : VkMemoryPropertyFlagBits = 0x00000001;
/// Memory is mappable by host
pub const VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT : VkMemoryPropertyFlagBits = 0x00000002;
/// Memory will have i/o coherency. If not set, application may need to use vkFlushMappedMemoryRanges and vkInvalidateMappedMemoryRanges to flush/invalidate host cache
pub const VK_MEMORY_PROPERTY_HOST_COHERENT_BIT : VkMemoryPropertyFlagBits = 0x00000004;
/// Memory will be cached by the host
pub const VK_MEMORY_PROPERTY_HOST_CACHED_BIT : VkMemoryPropertyFlagBits = 0x00000008;
/// Memory may be allocated by the driver when it is required
pub const VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT : VkMemoryPropertyFlagBits = 0x00000010;
pub const VK_MEMORY_PROPERTY_FLAG_BITS_MAX_ENUM : VkMemoryPropertyFlagBits = 0x7FFFFFFF;
pub use self::VkMemoryPropertyFlagBits as VkMemoryPropertyFlags;

/// Bitmask specifying attribute flags for a heap
pub type VkMemoryHeapFlagBits = VkEnum;
/// If set, heap represents device memory
pub const VK_MEMORY_HEAP_DEVICE_LOCAL_BIT : VkMemoryHeapFlagBits = 0x00000001;
/// If set, heap allocations allocate multiple instances by default
pub const VK_MEMORY_HEAP_MULTI_INSTANCE_BIT_KHX : VkMemoryHeapFlagBits = 0x00000002;
pub const VK_MEMORY_HEAP_FLAG_BITS_MAX_ENUM : VkMemoryHeapFlagBits = 0x7FFFFFFF;
pub use self::VkMemoryHeapFlagBits as VkMemoryHeapFlags;
pub use self::VkEnum as VkDeviceCreateFlags;
pub use self::VkEnum as VkDeviceQueueCreateFlags;

/// Bitmask specifying pipeline stages
pub type VkPipelineStageFlagBits = VkEnum;
/// Stage of the pipeline where any commands are initially received by the queue
pub const VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT : VkPipelineStageFlagBits = 0x00000001;
/// Stage of the pipeline where Draw/DispatchIndirect data structures are consumed
pub const VK_PIPELINE_STAGE_DRAW_INDIRECT_BIT : VkPipelineStageFlagBits = 0x00000002;
/// Stage of the pipeline where vertex and index buffers are consumed
pub const VK_PIPELINE_STAGE_VERTEX_INPUT_BIT : VkPipelineStageFlagBits = 0x00000004;
/// Vertex shader stage
pub const VK_PIPELINE_STAGE_VERTEX_SHADER_BIT : VkPipelineStageFlagBits = 0x00000008;
/// Tessellation control shader stage
pub const VK_PIPELINE_STAGE_TESSELLATION_CONTROL_SHADER_BIT : VkPipelineStageFlagBits = 0x00000010;
/// Tessellation evaluation shader stage
pub const VK_PIPELINE_STAGE_TESSELLATION_EVALUATION_SHADER_BIT : VkPipelineStageFlagBits = 0x00000020;
/// Geometry shader stage
pub const VK_PIPELINE_STAGE_GEOMETRY_SHADER_BIT : VkPipelineStageFlagBits = 0x00000040;
/// Fragment shader stage
pub const VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT : VkPipelineStageFlagBits = 0x00000080;
/// Stage of the pipeline where early fragment tests (depth and stencil tests before fragment shading) are performed
pub const VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT : VkPipelineStageFlagBits = 0x00000100;
/// Stage of the pipeline where late fragment tests (depth and stencil tests after fragment shading) are performed
pub const VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT : VkPipelineStageFlagBits = 0x00000200;
/// Stage of the pipeline after blending where the final color values are output from the pipeline
pub const VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT : VkPipelineStageFlagBits = 0x00000400;
/// Execution of a compute shader
pub const VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT : VkPipelineStageFlagBits = 0x00000800;
/// Transfer/copy operations
pub const VK_PIPELINE_STAGE_TRANSFER_BIT : VkPipelineStageFlagBits = 0x00001000;
/// Final stage in the pipeline where operations generated by all commands complete execution
pub const VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT : VkPipelineStageFlagBits = 0x00002000;
/// A pseudo-stage indicating execution on the host of reads/writes of device memory
pub const VK_PIPELINE_STAGE_HOST_BIT : VkPipelineStageFlagBits = 0x00004000;
/// Execution of all graphics pipeline stages
pub const VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT : VkPipelineStageFlagBits = 0x00008000;
/// Equivalent to the logical or of every other pipeline stage flag that is supported on the queue it is used with
pub const VK_PIPELINE_STAGE_ALL_COMMANDS_BIT : VkPipelineStageFlagBits = 0x00010000;
/// Stage of the pipeline where device-side generation of commands via `vkCmdProcessCommandsNVX` is handled
pub const VK_PIPELINE_STAGE_COMMAND_PROCESS_BIT_NVX : VkPipelineStageFlagBits = 0x00020000;
pub const VK_PIPELINE_STAGE_FLAG_BITS_MAX_ENUM : VkPipelineStageFlagBits = 0x7FFFFFFF;
pub use self::VkPipelineStageFlagBits as VkPipelineStageFlags;
pub use self::VkEnum as VkMemoryMapFlags;

/// Bitmask specifying which aspects of an image are included in a view
pub type VkImageAspectFlagBits = VkEnum;
pub const VK_IMAGE_ASPECT_COLOR_BIT : VkImageAspectFlagBits = 0x00000001;
pub const VK_IMAGE_ASPECT_DEPTH_BIT : VkImageAspectFlagBits = 0x00000002;
pub const VK_IMAGE_ASPECT_STENCIL_BIT : VkImageAspectFlagBits = 0x00000004;
pub const VK_IMAGE_ASPECT_METADATA_BIT : VkImageAspectFlagBits = 0x00000008;
pub const VK_IMAGE_ASPECT_FLAG_BITS_MAX_ENUM : VkImageAspectFlagBits = 0x7FFFFFFF;
pub use self::VkImageAspectFlagBits as VkImageAspectFlags;

/// Bitmask specifying additional information about a sparse image resource
pub type VkSparseImageFormatFlagBits = VkEnum;
/// Image uses a single mip tail region for all array layers
pub const VK_SPARSE_IMAGE_FORMAT_SINGLE_MIPTAIL_BIT : VkSparseImageFormatFlagBits = 0x00000001;
/// Image requires mip level dimensions to be an integer multiple of the sparse image block dimensions for non-tail mip levels.
pub const VK_SPARSE_IMAGE_FORMAT_ALIGNED_MIP_SIZE_BIT : VkSparseImageFormatFlagBits = 0x00000002;
/// Image uses a non-standard sparse image block dimensions
pub const VK_SPARSE_IMAGE_FORMAT_NONSTANDARD_BLOCK_SIZE_BIT : VkSparseImageFormatFlagBits = 0x00000004;
pub const VK_SPARSE_IMAGE_FORMAT_FLAG_BITS_MAX_ENUM : VkSparseImageFormatFlagBits = 0x7FFFFFFF;
pub use self::VkSparseImageFormatFlagBits as VkSparseImageFormatFlags;

/// Bitmask specifying usage of a sparse memory binding operation
pub type VkSparseMemoryBindFlagBits = VkEnum;
/// Operation binds resource metadata to memory
pub const VK_SPARSE_MEMORY_BIND_METADATA_BIT : VkSparseMemoryBindFlagBits = 0x00000001;
pub const VK_SPARSE_MEMORY_BIND_FLAG_BITS_MAX_ENUM : VkSparseMemoryBindFlagBits = 0x7FFFFFFF;
pub use self::VkSparseMemoryBindFlagBits as VkSparseMemoryBindFlags;

/// Bitmask specifying initial state and behavior of a fence
pub type VkFenceCreateFlagBits = VkEnum;
pub const VK_FENCE_CREATE_SIGNALED_BIT : VkFenceCreateFlagBits = 0x00000001;
pub const VK_FENCE_CREATE_FLAG_BITS_MAX_ENUM : VkFenceCreateFlagBits = 0x7FFFFFFF;
pub use self::VkFenceCreateFlagBits as VkFenceCreateFlags;
pub use self::VkEnum as VkSemaphoreCreateFlags;
pub use self::VkEnum as VkEventCreateFlags;
pub use self::VkEnum as VkQueryPoolCreateFlags;

/// Bitmask specifying queried pipeline statistics
pub type VkQueryPipelineStatisticFlagBits = VkEnum;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_INPUT_ASSEMBLY_VERTICES_BIT : VkQueryPipelineStatisticFlagBits = 0x00000001;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_INPUT_ASSEMBLY_PRIMITIVES_BIT : VkQueryPipelineStatisticFlagBits = 0x00000002;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_VERTEX_SHADER_INVOCATIONS_BIT : VkQueryPipelineStatisticFlagBits = 0x00000004;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_GEOMETRY_SHADER_INVOCATIONS_BIT : VkQueryPipelineStatisticFlagBits = 0x00000008;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_GEOMETRY_SHADER_PRIMITIVES_BIT : VkQueryPipelineStatisticFlagBits = 0x00000010;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_CLIPPING_INVOCATIONS_BIT : VkQueryPipelineStatisticFlagBits = 0x00000020;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_CLIPPING_PRIMITIVES_BIT : VkQueryPipelineStatisticFlagBits = 0x00000040;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_FRAGMENT_SHADER_INVOCATIONS_BIT : VkQueryPipelineStatisticFlagBits = 0x00000080;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_TESSELLATION_CONTROL_SHADER_PATCHES_BIT : VkQueryPipelineStatisticFlagBits = 0x00000100;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_TESSELLATION_EVALUATION_SHADER_INVOCATIONS_BIT : VkQueryPipelineStatisticFlagBits = 0x00000200;
/// Optional
pub const VK_QUERY_PIPELINE_STATISTIC_COMPUTE_SHADER_INVOCATIONS_BIT : VkQueryPipelineStatisticFlagBits = 0x00000400;
pub const VK_QUERY_PIPELINE_STATISTIC_FLAG_BITS_MAX_ENUM : VkQueryPipelineStatisticFlagBits = 0x7FFFFFFF;
pub use self::VkQueryPipelineStatisticFlagBits as VkQueryPipelineStatisticFlags;

/// Bitmask specifying how and when query results are returned
pub type VkQueryResultFlagBits = VkEnum;
/// Results of the queries are written to the destination buffer as 64-bit values
pub const VK_QUERY_RESULT_64_BIT : VkQueryResultFlagBits = 0x00000001;
/// Results of the queries are waited on before proceeding with the result copy
pub const VK_QUERY_RESULT_WAIT_BIT : VkQueryResultFlagBits = 0x00000002;
/// Besides the results of the query, the availability of the results is also written
pub const VK_QUERY_RESULT_WITH_AVAILABILITY_BIT : VkQueryResultFlagBits = 0x00000004;
/// Copy the partial results of the query even if the final results are not available
pub const VK_QUERY_RESULT_PARTIAL_BIT : VkQueryResultFlagBits = 0x00000008;
pub const VK_QUERY_RESULT_FLAG_BITS_MAX_ENUM : VkQueryResultFlagBits = 0x7FFFFFFF;
pub use self::VkQueryResultFlagBits as VkQueryResultFlags;

/// Bitmask specifying additional parameters of a buffer
pub type VkBufferCreateFlagBits = VkEnum;
/// Buffer should support sparse backing
pub const VK_BUFFER_CREATE_SPARSE_BINDING_BIT : VkBufferCreateFlagBits = 0x00000001;
/// Buffer should support sparse backing with partial residency
pub const VK_BUFFER_CREATE_SPARSE_RESIDENCY_BIT : VkBufferCreateFlagBits = 0x00000002;
/// Buffer should support constent data access to physical memory ranges mapped into multiple locations of sparse buffers
pub const VK_BUFFER_CREATE_SPARSE_ALIASED_BIT : VkBufferCreateFlagBits = 0x00000004;
pub const VK_BUFFER_CREATE_FLAG_BITS_MAX_ENUM : VkBufferCreateFlagBits = 0x7FFFFFFF;
pub use self::VkBufferCreateFlagBits as VkBufferCreateFlags;

/// Bitmask specifying allowed usage of a buffer
pub type VkBufferUsageFlagBits = VkEnum;
/// Can be used as a source of transfer operations
pub const VK_BUFFER_USAGE_TRANSFER_SRC_BIT : VkBufferUsageFlagBits = 0x00000001;
/// Can be used as a destination of transfer operations
pub const VK_BUFFER_USAGE_TRANSFER_DST_BIT : VkBufferUsageFlagBits = 0x00000002;
/// Can be used as TBO
pub const VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000004;
/// Can be used as IBO
pub const VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000008;
/// Can be used as UBO
pub const VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000010;
/// Can be used as SSBO
pub const VK_BUFFER_USAGE_STORAGE_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000020;
/// Can be used as source of fixed-function index fetch (index buffer)
pub const VK_BUFFER_USAGE_INDEX_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000040;
/// Can be used as source of fixed-function vertex fetch (VBO)
pub const VK_BUFFER_USAGE_VERTEX_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000080;
/// Can be the source of indirect parameters (e.g. indirect buffer, parameter buffer)
pub const VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT : VkBufferUsageFlagBits = 0x00000100;
pub const VK_BUFFER_USAGE_FLAG_BITS_MAX_ENUM : VkBufferUsageFlagBits = 0x7FFFFFFF;
pub use self::VkBufferUsageFlagBits as VkBufferUsageFlags;
pub use self::VkEnum as VkBufferViewCreateFlags;
pub use self::VkEnum as VkImageViewCreateFlags;
pub use self::VkEnum as VkShaderModuleCreateFlags;
pub use self::VkEnum as VkPipelineCacheCreateFlags;

/// Bitmask controlling how a pipeline is generated
pub type VkPipelineCreateFlagBits = VkEnum;
pub const VK_PIPELINE_CREATE_DISABLE_OPTIMIZATION_BIT : VkPipelineCreateFlagBits = 0x00000001;
pub const VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT : VkPipelineCreateFlagBits = 0x00000002;
pub const VK_PIPELINE_CREATE_DERIVATIVE_BIT : VkPipelineCreateFlagBits = 0x00000004;
pub const VK_PIPELINE_CREATE_VIEW_INDEX_FROM_DEVICE_INDEX_BIT_KHX : VkPipelineCreateFlagBits = 0x00000008;
pub const VK_PIPELINE_CREATE_DISPATCH_BASE_KHX : VkPipelineCreateFlagBits = 0x00000010;
pub const VK_PIPELINE_CREATE_FLAG_BITS_MAX_ENUM : VkPipelineCreateFlagBits = 0x7FFFFFFF;
pub use self::VkPipelineCreateFlagBits as VkPipelineCreateFlags;
pub use self::VkEnum as VkPipelineShaderStageCreateFlags;

/// Bitmask specifying a pipeline stage
pub type VkShaderStageFlagBits = VkEnum;
pub const VK_SHADER_STAGE_VERTEX_BIT : VkShaderStageFlagBits = 0x00000001;
pub const VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT : VkShaderStageFlagBits = 0x00000002;
pub const VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT : VkShaderStageFlagBits = 0x00000004;
pub const VK_SHADER_STAGE_GEOMETRY_BIT : VkShaderStageFlagBits = 0x00000008;
pub const VK_SHADER_STAGE_FRAGMENT_BIT : VkShaderStageFlagBits = 0x00000010;
pub const VK_SHADER_STAGE_COMPUTE_BIT : VkShaderStageFlagBits = 0x00000020;
pub const VK_SHADER_STAGE_ALL_GRAPHICS : VkShaderStageFlagBits = 0x0000001F;
pub const VK_SHADER_STAGE_ALL : VkShaderStageFlagBits = 0x7FFFFFFF;
pub const VK_SHADER_STAGE_FLAG_BITS_MAX_ENUM : VkShaderStageFlagBits = 0x7FFFFFFF;
pub use self::VkEnum as VkPipelineVertexInputStateCreateFlags;
pub use self::VkEnum as VkPipelineInputAssemblyStateCreateFlags;
pub use self::VkEnum as VkPipelineTessellationStateCreateFlags;
pub use self::VkEnum as VkPipelineViewportStateCreateFlags;
pub use self::VkEnum as VkPipelineRasterizationStateCreateFlags;

/// Bitmask controlling triangle culling
pub type VkCullModeFlagBits = VkEnum;
pub const VK_CULL_MODE_NONE : VkCullModeFlagBits = 0;
pub const VK_CULL_MODE_FRONT_BIT : VkCullModeFlagBits = 0x00000001;
pub const VK_CULL_MODE_BACK_BIT : VkCullModeFlagBits = 0x00000002;
pub const VK_CULL_MODE_FRONT_AND_BACK : VkCullModeFlagBits = 0x00000003;
pub const VK_CULL_MODE_FLAG_BITS_MAX_ENUM : VkCullModeFlagBits = 0x7FFFFFFF;
pub use self::VkCullModeFlagBits as VkCullModeFlags;
pub use self::VkEnum as VkPipelineMultisampleStateCreateFlags;
pub use self::VkEnum as VkPipelineDepthStencilStateCreateFlags;
pub use self::VkEnum as VkPipelineColorBlendStateCreateFlags;

/// Bitmask controlling which components are written to the framebuffer
pub type VkColorComponentFlagBits = VkEnum;
pub const VK_COLOR_COMPONENT_R_BIT : VkColorComponentFlagBits = 0x00000001;
pub const VK_COLOR_COMPONENT_G_BIT : VkColorComponentFlagBits = 0x00000002;
pub const VK_COLOR_COMPONENT_B_BIT : VkColorComponentFlagBits = 0x00000004;
pub const VK_COLOR_COMPONENT_A_BIT : VkColorComponentFlagBits = 0x00000008;
pub const VK_COLOR_COMPONENT_FLAG_BITS_MAX_ENUM : VkColorComponentFlagBits = 0x7FFFFFFF;
pub use self::VkColorComponentFlagBits as VkColorComponentFlags;
pub use self::VkEnum as VkPipelineDynamicStateCreateFlags;
pub use self::VkEnum as VkPipelineLayoutCreateFlags;
pub use self::VkShaderStageFlagBits as VkShaderStageFlags;
pub use self::VkEnum as VkSamplerCreateFlags;

/// Bitmask specifying descriptor set layout properties
pub type VkDescriptorSetLayoutCreateFlagBits = VkEnum;
/// Descriptors are pushed via `vkCmdPushDescriptorSetKHR`
pub const VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR : VkDescriptorSetLayoutCreateFlagBits = 0x00000001;
pub const VK_DESCRIPTOR_SET_LAYOUT_CREATE_FLAG_BITS_MAX_ENUM : VkDescriptorSetLayoutCreateFlagBits = 0x7FFFFFFF;
pub use self::VkDescriptorSetLayoutCreateFlagBits as VkDescriptorSetLayoutCreateFlags;

/// Bitmask specifying certain supported operations on a descriptor pool
pub type VkDescriptorPoolCreateFlagBits = VkEnum;
/// Descriptor sets may be freed individually
pub const VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT : VkDescriptorPoolCreateFlagBits = 0x00000001;
pub const VK_DESCRIPTOR_POOL_CREATE_FLAG_BITS_MAX_ENUM : VkDescriptorPoolCreateFlagBits = 0x7FFFFFFF;
pub use self::VkDescriptorPoolCreateFlagBits as VkDescriptorPoolCreateFlags;
pub use self::VkEnum as VkDescriptorPoolResetFlags;
pub use self::VkEnum as VkFramebufferCreateFlags;
pub use self::VkEnum as VkRenderPassCreateFlags;

/// Bitmask specifying additional properties of an attachment
pub type VkAttachmentDescriptionFlagBits = VkEnum;
/// The attachment may alias physical memory of another attachment in the same render pass
pub const VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT : VkAttachmentDescriptionFlagBits = 0x00000001;
pub const VK_ATTACHMENT_DESCRIPTION_FLAG_BITS_MAX_ENUM : VkAttachmentDescriptionFlagBits = 0x7FFFFFFF;
pub use self::VkAttachmentDescriptionFlagBits as VkAttachmentDescriptionFlags;

/// Bitmask specifying usage of a subpass
pub type VkSubpassDescriptionFlagBits = VkEnum;
pub const VK_SUBPASS_DESCRIPTION_PER_VIEW_ATTRIBUTES_BIT_NVX : VkSubpassDescriptionFlagBits = 0x00000001;
pub const VK_SUBPASS_DESCRIPTION_PER_VIEW_POSITION_X_ONLY_BIT_NVX : VkSubpassDescriptionFlagBits = 0x00000002;
pub const VK_SUBPASS_DESCRIPTION_FLAG_BITS_MAX_ENUM : VkSubpassDescriptionFlagBits = 0x7FFFFFFF;
pub use self::VkSubpassDescriptionFlagBits as VkSubpassDescriptionFlags;

/// Bitmask specifying memory access types that will participate in a memory dependency
pub type VkAccessFlagBits = VkEnum;
/// Read access to an indirect command structure read as part of an indirect drawing or dispatch command
pub const VK_ACCESS_INDIRECT_COMMAND_READ_BIT : VkAccessFlagBits = 0x00000001;
/// Read access to an index buffer as part of an indexed drawing command, bound by `vkCmdBindIndexBuffer`
pub const VK_ACCESS_INDEX_READ_BIT : VkAccessFlagBits = 0x00000002;
/// Read access to a vertex buffer as part of a drawing command, bound by `vkCmdBindVertexBuffers`
pub const VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT : VkAccessFlagBits = 0x00000004;
/// Read access to a
pub const VK_ACCESS_UNIFORM_READ_BIT : VkAccessFlagBits = 0x00000008;
/// Read access to an
pub const VK_ACCESS_INPUT_ATTACHMENT_READ_BIT : VkAccessFlagBits = 0x00000010;
/// Read access to a
pub const VK_ACCESS_SHADER_READ_BIT : VkAccessFlagBits = 0x00000020;
/// Write access to a
pub const VK_ACCESS_SHADER_WRITE_BIT : VkAccessFlagBits = 0x00000040;
/// Read access to a
pub const VK_ACCESS_COLOR_ATTACHMENT_READ_BIT : VkAccessFlagBits = 0x00000080;
/// Write access to a
pub const VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT : VkAccessFlagBits = 0x00000100;
/// Read access to a
pub const VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT : VkAccessFlagBits = 0x00000200;
/// Write access to a
pub const VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT : VkAccessFlagBits = 0x00000400;
/// Read access to an image or buffer in a <<copies, copy>> operation
pub const VK_ACCESS_TRANSFER_READ_BIT : VkAccessFlagBits = 0x00000800;
/// Write access to an image or buffer in a <<clears, clear>> or <<copies, copy>> operation
pub const VK_ACCESS_TRANSFER_WRITE_BIT : VkAccessFlagBits = 0x00001000;
/// Read access by a host operation
pub const VK_ACCESS_HOST_READ_BIT : VkAccessFlagBits = 0x00002000;
/// Write access by a host operation
pub const VK_ACCESS_HOST_WRITE_BIT : VkAccessFlagBits = 0x00004000;
/// Read access via non-specific entities
pub const VK_ACCESS_MEMORY_READ_BIT : VkAccessFlagBits = 0x00008000;
/// Write access via non-specific entities
pub const VK_ACCESS_MEMORY_WRITE_BIT : VkAccessFlagBits = 0x00010000;
/// Reads from `VkBuffer` inputs to `vkCmdProcessCommandsNVX`
pub const VK_ACCESS_COMMAND_PROCESS_READ_BIT_NVX : VkAccessFlagBits = 0x00020000;
/// Writes to the target command buffer in `vkCmdProcessCommandsNVX`
pub const VK_ACCESS_COMMAND_PROCESS_WRITE_BIT_NVX : VkAccessFlagBits = 0x00040000;
pub const VK_ACCESS_FLAG_BITS_MAX_ENUM : VkAccessFlagBits = 0x7FFFFFFF;
pub use self::VkAccessFlagBits as VkAccessFlags;

/// Bitmask specifying how execution and memory dependencies are formed
pub type VkDependencyFlagBits = VkEnum;
/// Dependency is per pixel region 
pub const VK_DEPENDENCY_BY_REGION_BIT : VkDependencyFlagBits = 0x00000001;
pub const VK_DEPENDENCY_VIEW_LOCAL_BIT_KHX : VkDependencyFlagBits = 0x00000002;
/// Dependency is across devices
pub const VK_DEPENDENCY_DEVICE_GROUP_BIT_KHX : VkDependencyFlagBits = 0x00000004;
pub const VK_DEPENDENCY_FLAG_BITS_MAX_ENUM : VkDependencyFlagBits = 0x7FFFFFFF;
pub use self::VkDependencyFlagBits as VkDependencyFlags;

/// Bitmask specifying usage behavior for a command pool
pub type VkCommandPoolCreateFlagBits = VkEnum;
/// Command buffers have a short lifetime
pub const VK_COMMAND_POOL_CREATE_TRANSIENT_BIT : VkCommandPoolCreateFlagBits = 0x00000001;
/// Command buffers may release their memory individually
pub const VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT : VkCommandPoolCreateFlagBits = 0x00000002;
pub const VK_COMMAND_POOL_CREATE_FLAG_BITS_MAX_ENUM : VkCommandPoolCreateFlagBits = 0x7FFFFFFF;
pub use self::VkCommandPoolCreateFlagBits as VkCommandPoolCreateFlags;

/// Bitmask controlling behavior of a command pool reset
pub type VkCommandPoolResetFlagBits = VkEnum;
/// Release resources owned by the pool
pub const VK_COMMAND_POOL_RESET_RELEASE_RESOURCES_BIT : VkCommandPoolResetFlagBits = 0x00000001;
pub const VK_COMMAND_POOL_RESET_FLAG_BITS_MAX_ENUM : VkCommandPoolResetFlagBits = 0x7FFFFFFF;
pub use self::VkCommandPoolResetFlagBits as VkCommandPoolResetFlags;

/// Bitmask specifying usage behavior for command buffer
pub type VkCommandBufferUsageFlagBits = VkEnum;
pub const VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT : VkCommandBufferUsageFlagBits = 0x00000001;
pub const VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT : VkCommandBufferUsageFlagBits = 0x00000002;
/// Command buffer may be submitted/executed more than once simultaneously
pub const VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT : VkCommandBufferUsageFlagBits = 0x00000004;
pub const VK_COMMAND_BUFFER_USAGE_FLAG_BITS_MAX_ENUM : VkCommandBufferUsageFlagBits = 0x7FFFFFFF;
pub use self::VkCommandBufferUsageFlagBits as VkCommandBufferUsageFlags;

/// Bitmask specifying constraints on a query
pub type VkQueryControlFlagBits = VkEnum;
/// Require precise results to be collected by the query
pub const VK_QUERY_CONTROL_PRECISE_BIT : VkQueryControlFlagBits = 0x00000001;
pub const VK_QUERY_CONTROL_FLAG_BITS_MAX_ENUM : VkQueryControlFlagBits = 0x7FFFFFFF;
pub use self::VkQueryControlFlagBits as VkQueryControlFlags;

/// Bitmask controlling behavior of a command buffer reset
pub type VkCommandBufferResetFlagBits = VkEnum;
/// Release resources owned by the buffer
pub const VK_COMMAND_BUFFER_RESET_RELEASE_RESOURCES_BIT : VkCommandBufferResetFlagBits = 0x00000001;
pub const VK_COMMAND_BUFFER_RESET_FLAG_BITS_MAX_ENUM : VkCommandBufferResetFlagBits = 0x7FFFFFFF;
pub use self::VkCommandBufferResetFlagBits as VkCommandBufferResetFlags;

/// Bitmask specifying sets of stencil state for which to update the compare mask
pub type VkStencilFaceFlagBits = VkEnum;
/// Front face
pub const VK_STENCIL_FACE_FRONT_BIT : VkStencilFaceFlagBits = 0x00000001;
/// Back face
pub const VK_STENCIL_FACE_BACK_BIT : VkStencilFaceFlagBits = 0x00000002;
/// Front and back faces
pub const VK_STENCIL_FRONT_AND_BACK : VkStencilFaceFlagBits = 0x00000003;
pub const VK_STENCIL_FACE_FLAG_BITS_MAX_ENUM : VkStencilFaceFlagBits = 0x7FFFFFFF;
pub use self::VkStencilFaceFlagBits as VkStencilFaceFlags;

/// Application-defined memory allocation function
pub type PFN_vkAllocationFunction = extern fn ();

/// Application-defined memory reallocation function
pub type PFN_vkReallocationFunction = extern fn ();

/// Application-defined memory free function
pub type PFN_vkFreeFunction = extern fn ();

/// Application-defined memory allocation notification function
pub type PFN_vkInternalAllocationNotification = extern fn ();

/// Application-defined memory free notification function
pub type PFN_vkInternalFreeNotification = extern fn ();

/// Dummy function pointer type returned by queries
pub type PFN_vkVoidFunction = extern fn ();


/// Structure specifying application info
#[repr(C)]
pub struct VkApplicationInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a pointer to a null-terminated UTF-8 string containing the name of the application
    pub pApplicationName: *const raw::c_char,
    /// an unsigned integer variable containing the developer-supplied version number of the application
    pub applicationVersion: u32,
    /// a pointer to a null-terminated UTF-8 string containing the name of the engine (if any) used to create the application
    pub pEngineName: *const raw::c_char,
    /// an unsigned integer variable containing the developer-supplied version number of the engine used to create the application
    pub engineVersion: u32,
    /// the version of the Vulkan API against which the application expects to run, encoded as described in the
    pub apiVersion: u32,
}

impl Default for VkApplicationInfo {
    fn default () -> VkApplicationInfo {
        return unsafe {
            VkApplicationInfo {
                sType: VK_STRUCTURE_TYPE_APPLICATION_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created instance
#[repr(C)]
pub struct VkInstanceCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkInstanceCreateFlags,
    /// `NULL` or a pointer to an instance of `VkApplicationInfo`
    pub pApplicationInfo: *const VkApplicationInfo,
    /// the number of global layers to enable
    pub enabledLayerCount: u32,
    /// a pointer to an array of `enabledLayerCount` null-terminated UTF-8 strings containing the names of layers to enable for the created instance
    pub ppEnabledLayerNames: *const *const raw::c_char,
    /// the number of global extensions to enable
    pub enabledExtensionCount: u32,
    /// a pointer to an array of `enabledExtensionCount` null-terminated UTF-8 strings containing the names of extensions to enable
    pub ppEnabledExtensionNames: *const *const raw::c_char,
}

impl Default for VkInstanceCreateInfo {
    fn default () -> VkInstanceCreateInfo {
        return unsafe {
            VkInstanceCreateInfo {
                sType: VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure containing callback function pointers for memory allocation
#[repr(C)]
pub struct VkAllocationCallbacks {
    /// a value to be interpreted by the implementation of the callbacks
    pub pUserData: *mut raw::c_void,
    /// a pointer to an application-defined memory allocation function of type `PFN_vkAllocationFunction`
    pub pfnAllocation: PFN_vkAllocationFunction,
    /// a pointer to an application-defined memory reallocation function of type `PFN_vkReallocationFunction`
    pub pfnReallocation: PFN_vkReallocationFunction,
    /// a pointer to an application-defined memory free function of type `PFN_vkFreeFunction`
    pub pfnFree: PFN_vkFreeFunction,
    /// a pointer to an application-defined function that is called by the implementation when the implementation makes internal allocations, and it is of type `PFN_vkInternalAllocationNotification`
    pub pfnInternalAllocation: PFN_vkInternalAllocationNotification,
    /// a pointer to an application-defined function that is called by the implementation when the implementation frees internal allocations, and it is of type `PFN_vkInternalFreeNotification`
    pub pfnInternalFree: PFN_vkInternalFreeNotification,
}

impl Default for VkAllocationCallbacks {
    fn default () -> VkAllocationCallbacks {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure describing the fine-grained features that can be supported by an implementation
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkPhysicalDeviceFeatures {
    pub robustBufferAccess: VkBool32,
    pub fullDrawIndexUint32: VkBool32,
    pub imageCubeArray: VkBool32,
    pub independentBlend: VkBool32,
    pub geometryShader: VkBool32,
    pub tessellationShader: VkBool32,
    pub sampleRateShading: VkBool32,
    pub dualSrcBlend: VkBool32,
    pub logicOp: VkBool32,
    pub multiDrawIndirect: VkBool32,
    pub drawIndirectFirstInstance: VkBool32,
    pub depthClamp: VkBool32,
    pub depthBiasClamp: VkBool32,
    pub fillModeNonSolid: VkBool32,
    pub depthBounds: VkBool32,
    pub wideLines: VkBool32,
    pub largePoints: VkBool32,
    pub alphaToOne: VkBool32,
    pub multiViewport: VkBool32,
    pub samplerAnisotropy: VkBool32,
    pub textureCompressionETC2: VkBool32,
    pub textureCompressionASTC_LDR: VkBool32,
    pub textureCompressionBC: VkBool32,
    pub occlusionQueryPrecise: VkBool32,
    pub pipelineStatisticsQuery: VkBool32,
    pub vertexPipelineStoresAndAtomics: VkBool32,
    pub fragmentStoresAndAtomics: VkBool32,
    pub shaderTessellationAndGeometryPointSize: VkBool32,
    pub shaderImageGatherExtended: VkBool32,
    pub shaderStorageImageExtendedFormats: VkBool32,
    pub shaderStorageImageMultisample: VkBool32,
    pub shaderStorageImageReadWithoutFormat: VkBool32,
    pub shaderStorageImageWriteWithoutFormat: VkBool32,
    pub shaderUniformBufferArrayDynamicIndexing: VkBool32,
    pub shaderSampledImageArrayDynamicIndexing: VkBool32,
    pub shaderStorageBufferArrayDynamicIndexing: VkBool32,
    pub shaderStorageImageArrayDynamicIndexing: VkBool32,
    pub shaderClipDistance: VkBool32,
    pub shaderCullDistance: VkBool32,
    pub shaderFloat64: VkBool32,
    pub shaderInt64: VkBool32,
    pub shaderInt16: VkBool32,
    pub shaderResourceResidency: VkBool32,
    pub shaderResourceMinLod: VkBool32,
    pub sparseBinding: VkBool32,
    pub sparseResidencyBuffer: VkBool32,
    pub sparseResidencyImage2D: VkBool32,
    pub sparseResidencyImage3D: VkBool32,
    pub sparseResidency2Samples: VkBool32,
    pub sparseResidency4Samples: VkBool32,
    pub sparseResidency8Samples: VkBool32,
    pub sparseResidency16Samples: VkBool32,
    pub sparseResidencyAliased: VkBool32,
    pub variableMultisampleRate: VkBool32,
    pub inheritedQueries: VkBool32,
}

impl Default for VkPhysicalDeviceFeatures {
    fn default () -> VkPhysicalDeviceFeatures {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying image format properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkFormatProperties {
    pub linearTilingFeatures: VkFormatFeatureFlags,
    pub optimalTilingFeatures: VkFormatFeatureFlags,
    pub bufferFeatures: VkFormatFeatureFlags,
}

impl Default for VkFormatProperties {
    fn default () -> VkFormatProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a three-dimensional extent
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkExtent3D {
    pub width: u32,
    pub height: u32,
    pub depth: u32,
}

impl Default for VkExtent3D {
    fn default () -> VkExtent3D {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a image format properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkImageFormatProperties {
    pub maxExtent: VkExtent3D,
    /// the maximum number of mipmap levels
    pub maxMipLevels: u32,
    /// the maximum number of array layers
    pub maxArrayLayers: u32,
    /// a bitmask of `VkSampleCountFlagBits` specifying all the supported sample counts for this image as described
    pub sampleCounts: VkSampleCountFlags,
    /// an upper bound on the total image size in bytes, inclusive of all image subresources
    pub maxResourceSize: VkDeviceSize,
}

impl Default for VkImageFormatProperties {
    fn default () -> VkImageFormatProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure reporting implementation-dependent physical device limits
#[repr(C)]
pub struct VkPhysicalDeviceLimits {
    pub maxImageDimension1D: u32,
    pub maxImageDimension2D: u32,
    pub maxImageDimension3D: u32,
    pub maxImageDimensionCube: u32,
    pub maxImageArrayLayers: u32,
    pub maxTexelBufferElements: u32,
    pub maxUniformBufferRange: u32,
    pub maxStorageBufferRange: u32,
    pub maxPushConstantsSize: u32,
    pub maxMemoryAllocationCount: u32,
    pub maxSamplerAllocationCount: u32,
    pub bufferImageGranularity: VkDeviceSize,
    pub sparseAddressSpaceSize: VkDeviceSize,
    pub maxBoundDescriptorSets: u32,
    pub maxPerStageDescriptorSamplers: u32,
    pub maxPerStageDescriptorUniformBuffers: u32,
    pub maxPerStageDescriptorStorageBuffers: u32,
    pub maxPerStageDescriptorSampledImages: u32,
    pub maxPerStageDescriptorStorageImages: u32,
    pub maxPerStageDescriptorInputAttachments: u32,
    pub maxPerStageResources: u32,
    pub maxDescriptorSetSamplers: u32,
    pub maxDescriptorSetUniformBuffers: u32,
    pub maxDescriptorSetUniformBuffersDynamic: u32,
    pub maxDescriptorSetStorageBuffers: u32,
    pub maxDescriptorSetStorageBuffersDynamic: u32,
    pub maxDescriptorSetSampledImages: u32,
    pub maxDescriptorSetStorageImages: u32,
    pub maxDescriptorSetInputAttachments: u32,
    pub maxVertexInputAttributes: u32,
    pub maxVertexInputBindings: u32,
    pub maxVertexInputAttributeOffset: u32,
    pub maxVertexInputBindingStride: u32,
    pub maxVertexOutputComponents: u32,
    pub maxTessellationGenerationLevel: u32,
    pub maxTessellationPatchSize: u32,
    pub maxTessellationControlPerVertexInputComponents: u32,
    pub maxTessellationControlPerVertexOutputComponents: u32,
    pub maxTessellationControlPerPatchOutputComponents: u32,
    pub maxTessellationControlTotalOutputComponents: u32,
    pub maxTessellationEvaluationInputComponents: u32,
    pub maxTessellationEvaluationOutputComponents: u32,
    pub maxGeometryShaderInvocations: u32,
    pub maxGeometryInputComponents: u32,
    pub maxGeometryOutputComponents: u32,
    pub maxGeometryOutputVertices: u32,
    pub maxGeometryTotalOutputComponents: u32,
    pub maxFragmentInputComponents: u32,
    pub maxFragmentOutputAttachments: u32,
    pub maxFragmentDualSrcAttachments: u32,
    pub maxFragmentCombinedOutputResources: u32,
    pub maxComputeSharedMemorySize: u32,
    pub maxComputeWorkGroupCount: [u32;3],
    pub maxComputeWorkGroupInvocations: u32,
    pub maxComputeWorkGroupSize: [u32;3],
    pub subPixelPrecisionBits: u32,
    pub subTexelPrecisionBits: u32,
    pub mipmapPrecisionBits: u32,
    pub maxDrawIndexedIndexValue: u32,
    pub maxDrawIndirectCount: u32,
    pub maxSamplerLodBias: f32,
    pub maxSamplerAnisotropy: f32,
    pub maxViewports: u32,
    pub maxViewportDimensions: [u32;2],
    pub viewportBoundsRange: [f32;2],
    pub viewportSubPixelBits: u32,
    pub minMemoryMapAlignment: usize,
    pub minTexelBufferOffsetAlignment: VkDeviceSize,
    pub minUniformBufferOffsetAlignment: VkDeviceSize,
    pub minStorageBufferOffsetAlignment: VkDeviceSize,
    pub minTexelOffset: i32,
    pub maxTexelOffset: u32,
    pub minTexelGatherOffset: i32,
    pub maxTexelGatherOffset: u32,
    pub minInterpolationOffset: f32,
    pub maxInterpolationOffset: f32,
    pub subPixelInterpolationOffsetBits: u32,
    pub maxFramebufferWidth: u32,
    pub maxFramebufferHeight: u32,
    pub maxFramebufferLayers: u32,
    pub framebufferColorSampleCounts: VkSampleCountFlags,
    pub framebufferDepthSampleCounts: VkSampleCountFlags,
    /// a bitmask^1^ of `VkSampleCountFlagBits` bits indicating the supported stencil sample counts for all framebuffer depth/stencil attachments, when the format includes a stencil component
    pub framebufferStencilSampleCounts: VkSampleCountFlags,
    /// a bitmask^1^ of `VkSampleCountFlagBits` bits indicating the supported sample counts for a framebuffer with no attachments
    pub framebufferNoAttachmentsSampleCounts: VkSampleCountFlags,
    pub maxColorAttachments: u32,
    pub sampledImageColorSampleCounts: VkSampleCountFlags,
    pub sampledImageIntegerSampleCounts: VkSampleCountFlags,
    pub sampledImageDepthSampleCounts: VkSampleCountFlags,
    pub sampledImageStencilSampleCounts: VkSampleCountFlags,
    pub storageImageSampleCounts: VkSampleCountFlags,
    pub maxSampleMaskWords: u32,
    pub timestampComputeAndGraphics: VkBool32,
    pub timestampPeriod: f32,
    pub maxClipDistances: u32,
    pub maxCullDistances: u32,
    pub maxCombinedClipAndCullDistances: u32,
    pub discreteQueuePriorities: u32,
    pub pointSizeRange: [f32;2],
    pub lineWidthRange: [f32;2],
    pub pointSizeGranularity: f32,
    pub lineWidthGranularity: f32,
    pub strictLines: VkBool32,
    pub standardSampleLocations: VkBool32,
    pub optimalBufferCopyOffsetAlignment: VkDeviceSize,
    pub optimalBufferCopyRowPitchAlignment: VkDeviceSize,
    pub nonCoherentAtomSize: VkDeviceSize,
}

impl Default for VkPhysicalDeviceLimits {
    fn default () -> VkPhysicalDeviceLimits {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying physical device sparse memory properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkPhysicalDeviceSparseProperties {
    /// `VK_TRUE` if the physical device will access all single-sample 2D sparse resources using the standard sparse image block shapes (based on image format), as described in the <<sparsememory-sparseblockshapessingle,Standard Sparse Image Block Shapes (Single Sample)>> table
    pub residencyStandard2DBlockShape: VkBool32,
    /// `VK_TRUE` if the physical device will access all multisample 2D sparse resources using the standard sparse image block shapes (based on image format), as described in the <<sparsememory-sparseblockshapesmsaa,Standard Sparse Image Block Shapes (MSAA)>> table
    pub residencyStandard2DMultisampleBlockShape: VkBool32,
    /// `VK_TRUE` if the physical device will access all 3D sparse resources using the standard sparse image block shapes (based on image format), as described in the
    pub residencyStandard3DBlockShape: VkBool32,
    /// `VK_TRUE` if images with mip level dimensions that are not integer multiples of the corresponding dimensions of the sparse image block may: be placed in the mip tail
    pub residencyAlignedMipSize: VkBool32,
    pub residencyNonResidentStrict: VkBool32,
}

impl Default for VkPhysicalDeviceSparseProperties {
    fn default () -> VkPhysicalDeviceSparseProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying physical device properties
#[repr(C)]
pub struct VkPhysicalDeviceProperties {
    /// the version of Vulkan supported by the device, encoded as described in the <<fundamentals-versionnum,API Version Numbers and Semantics>> section
    pub apiVersion: u32,
    /// the vendor-specified version of the driver
    pub driverVersion: u32,
    /// a unique identifier for the _vendor_ (see below) of the physical device
    pub vendorID: u32,
    /// a unique identifier for the physical device among devices available from the vendor
    pub deviceID: u32,
    /// a `VkPhysicalDeviceType` specifying the type of device
    pub deviceType: VkPhysicalDeviceType,
    /// a null-terminated UTF-8 string containing the name of the device
    pub deviceName: [raw::c_char;VK_MAX_PHYSICAL_DEVICE_NAME_SIZE as usize],
    /// an array of size `VK_UUID_SIZE,` containing 8-bit values that represent a universally unique identifier for the device
    pub pipelineCacheUUID: [u8;VK_UUID_SIZE as usize],
    /// the `VkPhysicalDeviceLimits` structure which specifies device-specific limits of the physical device
    pub limits: VkPhysicalDeviceLimits,
    /// the `VkPhysicalDeviceSparseProperties` structure which specifies various sparse related properties of the physical device
    pub sparseProperties: VkPhysicalDeviceSparseProperties,
}

impl Default for VkPhysicalDeviceProperties {
    fn default () -> VkPhysicalDeviceProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure providing information about a queue family
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkQueueFamilyProperties {
    pub queueFlags: VkQueueFlags,
    /// the unsigned integer count of queues in this queue family
    pub queueCount: u32,
    /// the unsigned integer count of meaningful bits in the timestamps written via `vkCmdWriteTimestamp`
    pub timestampValidBits: u32,
    /// the minimum granularity supported for image transfer operations on the queues in this queue family
    pub minImageTransferGranularity: VkExtent3D,
}

impl Default for VkQueueFamilyProperties {
    fn default () -> VkQueueFamilyProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying memory type
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkMemoryType {
    /// a bitmask of properties for this memory type
    pub propertyFlags: VkMemoryPropertyFlags,
    pub heapIndex: u32,
}

impl Default for VkMemoryType {
    fn default () -> VkMemoryType {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a memory heap
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkMemoryHeap {
    /// the total memory size in bytes in the heap
    pub size: VkDeviceSize,
    /// a bitmask of attribute flags for the heap
    pub flags: VkMemoryHeapFlags,
}

impl Default for VkMemoryHeap {
    fn default () -> VkMemoryHeap {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying physical device memory properties
#[repr(C)]
pub struct VkPhysicalDeviceMemoryProperties {
    /// the number of valid elements in the `memoryTypes` array
    pub memoryTypeCount: u32,
    /// an array of `VkMemoryType` structures describing the _memory types_ that can: be used to access memory allocated from the heaps specified by `memoryHeaps`
    pub memoryTypes: [VkMemoryType;VK_MAX_MEMORY_TYPES as usize],
    /// the number of valid elements in the `memoryHeaps` array
    pub memoryHeapCount: u32,
    /// an array of `VkMemoryHeap` structures describing the _memory heaps_ from which memory can: be allocated
    pub memoryHeaps: [VkMemoryHeap;VK_MAX_MEMORY_HEAPS as usize],
}

impl Default for VkPhysicalDeviceMemoryProperties {
    fn default () -> VkPhysicalDeviceMemoryProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created device queue
#[repr(C)]
pub struct VkDeviceQueueCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkDeviceQueueCreateFlags,
    /// an unsigned integer indicating the index of the queue family to create on this device
    pub queueFamilyIndex: u32,
    /// an unsigned integer specifying the number of queues to create in the queue family indicated by `queueFamilyIndex`
    pub queueCount: u32,
    /// an array of `queueCount` normalized floating point values, specifying priorities of work that will be submitted to each created queue
    pub pQueuePriorities: *const f32,
}

impl Default for VkDeviceQueueCreateInfo {
    fn default () -> VkDeviceQueueCreateInfo {
        return unsafe {
            VkDeviceQueueCreateInfo {
                sType: VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created device
#[repr(C)]
pub struct VkDeviceCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkDeviceCreateFlags,
    /// the unsigned integer size of the `pQueueCreateInfos` array
    pub queueCreateInfoCount: u32,
    /// a pointer to an array of `VkDeviceQueueCreateInfo` structures describing the queues that are requested to be created along with the logical device
    pub pQueueCreateInfos: *const VkDeviceQueueCreateInfo,
    /// deprecated and ignored
    pub enabledLayerCount: u32,
    /// deprecated and ignored
    pub ppEnabledLayerNames: *const *const raw::c_char,
    /// the number of device extensions to enable
    pub enabledExtensionCount: u32,
    /// a pointer to an array of `enabledExtensionCount` null-terminated UTF-8 strings containing the names of extensions to enable for the created device
    pub ppEnabledExtensionNames: *const *const raw::c_char,
    /// `NULL` or a pointer to a `VkPhysicalDeviceFeatures` structure that contains boolean indicators of all the features to be enabled
    pub pEnabledFeatures: *const VkPhysicalDeviceFeatures,
}

impl Default for VkDeviceCreateInfo {
    fn default () -> VkDeviceCreateInfo {
        return unsafe {
            VkDeviceCreateInfo {
                sType: VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a extension properties
#[repr(C)]
pub struct VkExtensionProperties {
    /// a null-terminated string specifying the name of the extension
    pub extensionName: [raw::c_char;VK_MAX_EXTENSION_NAME_SIZE as usize],
    /// the version of this extension
    pub specVersion: u32,
}

impl Default for VkExtensionProperties {
    fn default () -> VkExtensionProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying layer properties
#[repr(C)]
pub struct VkLayerProperties {
    /// a null-terminated UTF-8 string specifying the name of the layer
    pub layerName: [raw::c_char;VK_MAX_EXTENSION_NAME_SIZE as usize],
    /// the Vulkan version the layer was written to, encoded as described in the <<fundamentals-versionnum,API Version Numbers and Semantics>> section
    pub specVersion: u32,
    /// the version of this layer
    pub implementationVersion: u32,
    /// a null-terminated UTF-8 string providing additional details that can: be used by the application to identify the layer
    pub description: [raw::c_char;VK_MAX_DESCRIPTION_SIZE as usize],
}

impl Default for VkLayerProperties {
    fn default () -> VkLayerProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a queue submit operation
#[repr(C)]
pub struct VkSubmitInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of semaphores upon which to wait before executing the command buffers for the batch
    pub waitSemaphoreCount: u32,
    /// a pointer to an array of semaphores upon which to wait before the command buffers for this batch begin execution
    pub pWaitSemaphores: *const VkSemaphore,
    /// a pointer to an array of pipeline stages at which each corresponding semaphore wait will occur
    pub pWaitDstStageMask: *const VkPipelineStageFlags,
    /// the number of command buffers to execute in the batch
    pub commandBufferCount: u32,
    /// a pointer to an array of command buffers to execute in the batch
    pub pCommandBuffers: *const VkCommandBuffer,
    /// the number of semaphores to be signaled once the commands specified in `pCommandBuffers` have completed execution
    pub signalSemaphoreCount: u32,
    /// a pointer to an array of semaphores which will be signaled when the command buffers for this batch have completed execution
    pub pSignalSemaphores: *const VkSemaphore,
}

impl Default for VkSubmitInfo {
    fn default () -> VkSubmitInfo {
        return unsafe {
            VkSubmitInfo {
                sType: VK_STRUCTURE_TYPE_SUBMIT_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure containing parameters of a memory allocation
#[repr(C)]
pub struct VkMemoryAllocateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the size of the allocation in bytes
    pub allocationSize: VkDeviceSize,
    /// the memory type index, which selects the properties of the memory to be allocated, as well as the heap the memory will come from
    pub memoryTypeIndex: u32,
}

impl Default for VkMemoryAllocateInfo {
    fn default () -> VkMemoryAllocateInfo {
        return unsafe {
            VkMemoryAllocateInfo {
                sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a mapped memory range
#[repr(C)]
pub struct VkMappedMemoryRange {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the memory object to which this range belongs
    pub memory: VkDeviceMemory,
    /// the zero-based byte offset from the beginning of the memory object
    pub offset: VkDeviceSize,
    /// either the size of range, or `VK_WHOLE_SIZE` to affect the range from `offset` to the end of the current mapping of the allocation
    pub size: VkDeviceSize,
}

impl Default for VkMappedMemoryRange {
    fn default () -> VkMappedMemoryRange {
        return unsafe {
            VkMappedMemoryRange {
                sType: VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying memory requirements
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkMemoryRequirements {
    /// the size, in bytes, of the memory allocation required: for the resource
    pub size: VkDeviceSize,
    /// the alignment, in bytes, of the offset within the allocation required: for the resource
    pub alignment: VkDeviceSize,
    /// a bitmask and contains one bit set for every supported memory type for the resource
    pub memoryTypeBits: u32,
}

impl Default for VkMemoryRequirements {
    fn default () -> VkMemoryRequirements {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying sparse image format properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSparseImageFormatProperties {
    /// a bitmask of `VkImageAspectFlagBits` specifying which aspects of the image the properties apply to
    pub aspectMask: VkImageAspectFlags,
    /// the width, height, and depth of the sparse image block in texels or compressed texel blocks
    pub imageGranularity: VkExtent3D,
    /// a bitmask specifying additional information about the sparse resource
    pub flags: VkSparseImageFormatFlags,
}

impl Default for VkSparseImageFormatProperties {
    fn default () -> VkSparseImageFormatProperties {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying sparse image memory requirements
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSparseImageMemoryRequirements {
    pub formatProperties: VkSparseImageFormatProperties,
    /// the first mip level at which image subresources are included in the mip tail region
    pub imageMipTailFirstLod: u32,
    /// the memory size (in bytes) of the mip tail region
    pub imageMipTailSize: VkDeviceSize,
    /// the opaque memory offset used with `VkSparseImageOpaqueMemoryBindInfo` to bind the mip tail region(s)
    pub imageMipTailOffset: VkDeviceSize,
    /// the offset stride between each array-layer's mip tail, if `formatProperties`
    pub imageMipTailStride: VkDeviceSize,
}

impl Default for VkSparseImageMemoryRequirements {
    fn default () -> VkSparseImageMemoryRequirements {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a sparse memory bind operation
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSparseMemoryBind {
    /// the offset into the resource
    pub resourceOffset: VkDeviceSize,
    /// the size of the memory region to be bound
    pub size: VkDeviceSize,
    /// the `VkDeviceMemory` object that the range of the resource is bound to
    pub memory: VkDeviceMemory,
    /// the offset into the `VkDeviceMemory` object to bind the resource range to
    pub memoryOffset: VkDeviceSize,
    /// a bitmask specifying usage of the binding operation
    pub flags: VkSparseMemoryBindFlags,
}

impl Default for VkSparseMemoryBind {
    fn default () -> VkSparseMemoryBind {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a sparse buffer memory bind operation
#[repr(C)]
pub struct VkSparseBufferMemoryBindInfo {
    /// the `VkBuffer` object to be bound
    pub buffer: VkBuffer,
    /// the number of `VkSparseMemoryBind` structures in the `pBinds` array
    pub bindCount: u32,
    /// a pointer to array of `VkSparseMemoryBind` structures
    pub pBinds: *const VkSparseMemoryBind,
}

impl Default for VkSparseBufferMemoryBindInfo {
    fn default () -> VkSparseBufferMemoryBindInfo {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying sparse image opaque memory bind info
#[repr(C)]
pub struct VkSparseImageOpaqueMemoryBindInfo {
    /// the `VkImage` object to be bound
    pub image: VkImage,
    /// the number of `VkSparseMemoryBind` structures in the `pBinds` array
    pub bindCount: u32,
    /// a pointer to array of `VkSparseMemoryBind` structures
    pub pBinds: *const VkSparseMemoryBind,
}

impl Default for VkSparseImageOpaqueMemoryBindInfo {
    fn default () -> VkSparseImageOpaqueMemoryBindInfo {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a image subresource
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkImageSubresource {
    /// a `VkImageAspectFlags` selecting the image _aspect_
    pub aspectMask: VkImageAspectFlags,
    pub mipLevel: u32,
    pub arrayLayer: u32,
}

impl Default for VkImageSubresource {
    fn default () -> VkImageSubresource {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a three-dimensional offset
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkOffset3D {
    pub x: i32,
    pub y: i32,
    pub z: i32,
}

impl Default for VkOffset3D {
    fn default () -> VkOffset3D {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying sparse image memory bind
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSparseImageMemoryBind {
    /// the aspectMask and region of interest in the image
    pub subresource: VkImageSubresource,
    pub offset: VkOffset3D,
    /// the size in texels of the region within the image subresource to bind
    pub extent: VkExtent3D,
    /// the `VkDeviceMemory` object that the sparse image blocks of the image are bound to
    pub memory: VkDeviceMemory,
    /// an offset into `VkDeviceMemory` object
    pub memoryOffset: VkDeviceSize,
    pub flags: VkSparseMemoryBindFlags,
}

impl Default for VkSparseImageMemoryBind {
    fn default () -> VkSparseImageMemoryBind {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying sparse image memory bind info
#[repr(C)]
pub struct VkSparseImageMemoryBindInfo {
    /// the `VkImage` object to be bound
    pub image: VkImage,
    /// the number of `VkSparseImageMemoryBind` structures in pBinds array
    pub bindCount: u32,
    /// a pointer to array of `VkSparseImageMemoryBind` structures
    pub pBinds: *const VkSparseImageMemoryBind,
}

impl Default for VkSparseImageMemoryBindInfo {
    fn default () -> VkSparseImageMemoryBindInfo {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a sparse binding operation
#[repr(C)]
pub struct VkBindSparseInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of semaphores upon which to wait before executing the sparse binding operations for the batch
    pub waitSemaphoreCount: u32,
    /// a pointer to an array of semaphores upon which to wait on before the sparse binding operations for this batch begin execution
    pub pWaitSemaphores: *const VkSemaphore,
    /// the number of sparse buffer bindings to perform in the batch
    pub bufferBindCount: u32,
    /// a pointer to an array of `VkSparseBufferMemoryBindInfo` structures
    pub pBufferBinds: *const VkSparseBufferMemoryBindInfo,
    /// the number of opaque sparse image bindings to perform
    pub imageOpaqueBindCount: u32,
    /// a pointer to an array of `VkSparseImageOpaqueMemoryBindInfo` structures, indicating opaque sparse image bindings to perform
    pub pImageOpaqueBinds: *const VkSparseImageOpaqueMemoryBindInfo,
    /// the number of sparse image bindings to perform
    pub imageBindCount: u32,
    /// a pointer to an array of `VkSparseImageMemoryBindInfo` structures, indicating sparse image bindings to perform
    pub pImageBinds: *const VkSparseImageMemoryBindInfo,
    /// the number of semaphores to be signaled once the sparse binding operations specified by the structure have completed execution
    pub signalSemaphoreCount: u32,
    /// a pointer to an array of semaphores which will be signaled when the sparse binding operations for this batch have completed execution
    pub pSignalSemaphores: *const VkSemaphore,
}

impl Default for VkBindSparseInfo {
    fn default () -> VkBindSparseInfo {
        return unsafe {
            VkBindSparseInfo {
                sType: VK_STRUCTURE_TYPE_BIND_SPARSE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created fence
#[repr(C)]
pub struct VkFenceCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub flags: VkFenceCreateFlags,
}

impl Default for VkFenceCreateInfo {
    fn default () -> VkFenceCreateInfo {
        return unsafe {
            VkFenceCreateInfo {
                sType: VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created semaphore
#[repr(C)]
pub struct VkSemaphoreCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkSemaphoreCreateFlags,
}

impl Default for VkSemaphoreCreateInfo {
    fn default () -> VkSemaphoreCreateInfo {
        return unsafe {
            VkSemaphoreCreateInfo {
                sType: VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created event
#[repr(C)]
pub struct VkEventCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkEventCreateFlags,
}

impl Default for VkEventCreateInfo {
    fn default () -> VkEventCreateInfo {
        return unsafe {
            VkEventCreateInfo {
                sType: VK_STRUCTURE_TYPE_EVENT_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created query pool
#[repr(C)]
pub struct VkQueryPoolCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkQueryPoolCreateFlags,
    /// the type of queries managed by the pool, and must: be one of the values
    pub queryType: VkQueryType,
    pub queryCount: u32,
    pub pipelineStatistics: VkQueryPipelineStatisticFlags,
}

impl Default for VkQueryPoolCreateInfo {
    fn default () -> VkQueryPoolCreateInfo {
        return unsafe {
            VkQueryPoolCreateInfo {
                sType: VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying the parameters of a newly created buffer object
#[repr(C)]
pub struct VkBufferCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask describing additional parameters of the buffer
    pub flags: VkBufferCreateFlags,
    /// the size in bytes of the buffer to be created
    pub size: VkDeviceSize,
    /// a bitmask describing the allowed usages of the buffer
    pub usage: VkBufferUsageFlags,
    /// the sharing mode of the buffer when it will be accessed by multiple queue families, see `VkSharingMode` in the
    pub sharingMode: VkSharingMode,
    /// the number of entries in the `pQueueFamilyIndices` array
    pub queueFamilyIndexCount: u32,
    /// a list of queue families that will access this buffer (ignored if `sharingMode` is not `VK_SHARING_MODE_CONCURRENT)`
    pub pQueueFamilyIndices: *const u32,
}

impl Default for VkBufferCreateInfo {
    fn default () -> VkBufferCreateInfo {
        return unsafe {
            VkBufferCreateInfo {
                sType: VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created buffer view
#[repr(C)]
pub struct VkBufferViewCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkBufferViewCreateFlags,
    /// a `VkBuffer` on which the view will be created
    pub buffer: VkBuffer,
    /// a `VkFormat` describing the format of the data elements in the buffer
    pub format: VkFormat,
    /// an offset in bytes from the base address of the buffer
    pub offset: VkDeviceSize,
    /// a size in bytes of the buffer view
    pub range: VkDeviceSize,
}

impl Default for VkBufferViewCreateInfo {
    fn default () -> VkBufferViewCreateInfo {
        return unsafe {
            VkBufferViewCreateInfo {
                sType: VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying the parameters of a newly created image object
#[repr(C)]
pub struct VkImageCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask describing additional parameters of the image
    pub flags: VkImageCreateFlags,
    /// `VK_IMAGE_TYPE_2D`
    pub imageType: VkImageType,
    /// not a depth/stencil format
    pub format: VkFormat,
    /// a `VkExtent3D` describing the number of data elements in each dimension of the base level
    pub extent: VkExtent3D,
    /// 1
    pub mipLevels: u32,
    /// 1
    pub arrayLayers: u32,
    /// `VK_SAMPLE_COUNT_1_BIT`
    pub samples: VkSampleCountFlagBits,
    /// a `VkImageTiling` specifying the tiling arrangement of the data elements in memory, as described below
    pub tiling: VkImageTiling,
    /// a bitmask describing the intended usage of the image
    pub usage: VkImageUsageFlags,
    /// the sharing mode of the image when it will be accessed by multiple queue families, and must: be one of the values described for `VkSharingMode` in the <<resources-sharing,Resource Sharing>> section below
    pub sharingMode: VkSharingMode,
    /// the number of entries in the `pQueueFamilyIndices` array
    pub queueFamilyIndexCount: u32,
    /// a list of queue families that will access this image (ignored if `sharingMode` is not `VK_SHARING_MODE_CONCURRENT)`
    pub pQueueFamilyIndices: *const u32,
    pub initialLayout: VkImageLayout,
}

impl Default for VkImageCreateInfo {
    fn default () -> VkImageCreateInfo {
        return unsafe {
            VkImageCreateInfo {
                sType: VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying subresource layout
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSubresourceLayout {
    /// the byte offset from the start of the image where the image subresource begins
    pub offset: VkDeviceSize,
    /// the size in bytes of the image subresource
    pub size: VkDeviceSize,
    pub rowPitch: VkDeviceSize,
    pub arrayPitch: VkDeviceSize,
    pub depthPitch: VkDeviceSize,
}

impl Default for VkSubresourceLayout {
    fn default () -> VkSubresourceLayout {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a color component mapping
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkComponentMapping {
    pub r: VkComponentSwizzle,
    pub g: VkComponentSwizzle,
    pub b: VkComponentSwizzle,
    pub a: VkComponentSwizzle,
}

impl Default for VkComponentMapping {
    fn default () -> VkComponentMapping {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a image subresource range
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkImageSubresourceRange {
    /// a bitmask indicating which aspect(s) of the image are included in the view
    pub aspectMask: VkImageAspectFlags,
    /// the first mipmap level accessible to the view
    pub baseMipLevel: u32,
    /// the number of mipmap levels (starting from `baseMipLevel)` accessible to the view
    pub levelCount: u32,
    /// the first array layer accessible to the view
    pub baseArrayLayer: u32,
    /// the number of array layers (starting from `baseArrayLayer)` accessible to the view
    pub layerCount: u32,
}

impl Default for VkImageSubresourceRange {
    fn default () -> VkImageSubresourceRange {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created image view
#[repr(C)]
pub struct VkImageViewCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkImageViewCreateFlags,
    /// a `VkImage` on which the view will be created
    pub image: VkImage,
    /// the type of the image view
    pub viewType: VkImageViewType,
    /// a `VkFormat` describing the format and type used to interpret data elements in the image
    pub format: VkFormat,
    pub components: VkComponentMapping,
    /// a `VkImageSubresourceRange` selecting the set of mipmap levels and array layers to be accessible to the view
    pub subresourceRange: VkImageSubresourceRange,
}

impl Default for VkImageViewCreateInfo {
    fn default () -> VkImageViewCreateInfo {
        return unsafe {
            VkImageViewCreateInfo {
                sType: VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created shader module
#[repr(C)]
pub struct VkShaderModuleCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkShaderModuleCreateFlags,
    /// the size, in bytes, of the code pointed to by `pCode`
    pub codeSize: usize,
    pub pCode: *const u32,
}

impl Default for VkShaderModuleCreateInfo {
    fn default () -> VkShaderModuleCreateInfo {
        return unsafe {
            VkShaderModuleCreateInfo {
                sType: VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created pipeline cache
#[repr(C)]
pub struct VkPipelineCacheCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineCacheCreateFlags,
    /// the number of bytes in `pInitialData`
    pub initialDataSize: usize,
    /// a pointer to previously retrieved pipeline cache data
    pub pInitialData: *const raw::c_void,
}

impl Default for VkPipelineCacheCreateInfo {
    fn default () -> VkPipelineCacheCreateInfo {
        return unsafe {
            VkPipelineCacheCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a specialization map entry
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSpecializationMapEntry {
    /// the ID of the specialization constant in SPIR-V
    pub constantID: u32,
    /// the byte offset of the specialization constant value within the supplied data buffer
    pub offset: u32,
    /// the byte size of the specialization constant value within the supplied data buffer
    pub size: usize,
}

impl Default for VkSpecializationMapEntry {
    fn default () -> VkSpecializationMapEntry {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying specialization info
#[repr(C)]
pub struct VkSpecializationInfo {
    /// the number of entries in the `pMapEntries` array
    pub mapEntryCount: u32,
    /// a pointer to an array of `VkSpecializationMapEntry` which maps constant IDs to offsets in `pData`
    pub pMapEntries: *const VkSpecializationMapEntry,
    /// the byte size of the `pData` buffer
    pub dataSize: usize,
    pub pData: *const raw::c_void,
}

impl Default for VkSpecializationInfo {
    fn default () -> VkSpecializationInfo {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created pipeline shader stage
#[repr(C)]
pub struct VkPipelineShaderStageCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineShaderStageCreateFlags,
    pub stage: VkShaderStageFlagBits,
    pub module: VkShaderModule,
    pub pName: *const raw::c_char,
    pub pSpecializationInfo: *const VkSpecializationInfo,
}

impl Default for VkPipelineShaderStageCreateInfo {
    fn default () -> VkPipelineShaderStageCreateInfo {
        return unsafe {
            VkPipelineShaderStageCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying vertex input binding description
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkVertexInputBindingDescription {
    /// the binding number that this structure describes
    pub binding: u32,
    /// the distance in bytes between two consecutive elements within the buffer
    pub stride: u32,
    pub inputRate: VkVertexInputRate,
}

impl Default for VkVertexInputBindingDescription {
    fn default () -> VkVertexInputBindingDescription {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying vertex input attribute description
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkVertexInputAttributeDescription {
    /// the shader binding location number for this attribute
    pub location: u32,
    /// the binding number which this attribute takes its data from
    pub binding: u32,
    /// the size and type of the vertex attribute data
    pub format: VkFormat,
    /// a byte offset of this attribute relative to the start of an element in the vertex input binding
    pub offset: u32,
}

impl Default for VkVertexInputAttributeDescription {
    fn default () -> VkVertexInputAttributeDescription {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created pipeline vertex input state
#[repr(C)]
pub struct VkPipelineVertexInputStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineVertexInputStateCreateFlags,
    /// the number of vertex binding descriptions provided in `pVertexBindingDescriptions`
    pub vertexBindingDescriptionCount: u32,
    /// a pointer to an array of `VkVertexInputBindingDescription` structures
    pub pVertexBindingDescriptions: *const VkVertexInputBindingDescription,
    /// the number of vertex attribute descriptions provided in `pVertexAttributeDescriptions`
    pub vertexAttributeDescriptionCount: u32,
    /// a pointer to an array of `VkVertexInputAttributeDescription` structures
    pub pVertexAttributeDescriptions: *const VkVertexInputAttributeDescription,
}

impl Default for VkPipelineVertexInputStateCreateInfo {
    fn default () -> VkPipelineVertexInputStateCreateInfo {
        return unsafe {
            VkPipelineVertexInputStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created pipeline input assembly state
#[repr(C)]
pub struct VkPipelineInputAssemblyStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineInputAssemblyStateCreateFlags,
    /// a `VkPrimitiveTopology` defining the primitive topology, as described below
    pub topology: VkPrimitiveTopology,
    pub primitiveRestartEnable: VkBool32,
}

impl Default for VkPipelineInputAssemblyStateCreateInfo {
    fn default () -> VkPipelineInputAssemblyStateCreateInfo {
        return unsafe {
            VkPipelineInputAssemblyStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created pipeline tessellation state
#[repr(C)]
pub struct VkPipelineTessellationStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineTessellationStateCreateFlags,
    pub patchControlPoints: u32,
}

impl Default for VkPipelineTessellationStateCreateInfo {
    fn default () -> VkPipelineTessellationStateCreateInfo {
        return unsafe {
            VkPipelineTessellationStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a viewport
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkViewport {
    pub x: f32,
    pub y: f32,
    pub width: f32,
    pub height: f32,
    pub minDepth: f32,
    pub maxDepth: f32,
}

impl Default for VkViewport {
    fn default () -> VkViewport {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a two-dimensional offset
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkOffset2D {
    pub x: i32,
    pub y: i32,
}

impl Default for VkOffset2D {
    fn default () -> VkOffset2D {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a two-dimensional extent
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkExtent2D {
    pub width: u32,
    pub height: u32,
}

impl Default for VkExtent2D {
    fn default () -> VkExtent2D {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a two-dimensional subregion
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkRect2D {
    pub offset: VkOffset2D,
    pub extent: VkExtent2D,
}

impl Default for VkRect2D {
    fn default () -> VkRect2D {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created pipeline viewport state
#[repr(C)]
pub struct VkPipelineViewportStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineViewportStateCreateFlags,
    /// the number of viewports used by the pipeline
    pub viewportCount: u32,
    /// a pointer to an array of `VkViewport` structures, defining the viewport transforms
    pub pViewports: *const VkViewport,
    /// the number of <<fragops-scissor,scissors>> and must: match the number of viewports
    pub scissorCount: u32,
    /// a pointer to an array of `VkRect2D` structures which define the rectangular bounds of the scissor for the corresponding viewport
    pub pScissors: *const VkRect2D,
}

impl Default for VkPipelineViewportStateCreateInfo {
    fn default () -> VkPipelineViewportStateCreateInfo {
        return unsafe {
            VkPipelineViewportStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created pipeline rasterization state
#[repr(C)]
pub struct VkPipelineRasterizationStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineRasterizationStateCreateFlags,
    pub depthClampEnable: VkBool32,
    pub rasterizerDiscardEnable: VkBool32,
    /// the triangle rendering mode
    pub polygonMode: VkPolygonMode,
    /// the triangle facing direction used for primitive culling
    pub cullMode: VkCullModeFlags,
    /// the front-facing triangle orientation to be used for culling
    pub frontFace: VkFrontFace,
    pub depthBiasEnable: VkBool32,
    /// a scalar factor controlling the constant depth value added to each fragment
    pub depthBiasConstantFactor: f32,
    /// the maximum (or minimum) depth bias of a fragment
    pub depthBiasClamp: f32,
    /// a scalar factor applied to a fragment's slope in depth bias calculations
    pub depthBiasSlopeFactor: f32,
    /// the width of rasterized line segments
    pub lineWidth: f32,
}

impl Default for VkPipelineRasterizationStateCreateInfo {
    fn default () -> VkPipelineRasterizationStateCreateInfo {
        return unsafe {
            VkPipelineRasterizationStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created pipeline multisample state
#[repr(C)]
pub struct VkPipelineMultisampleStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineMultisampleStateCreateFlags,
    /// a `VkSampleCountFlagBits` specifying the number of samples per pixel used in rasterization
    pub rasterizationSamples: VkSampleCountFlagBits,
    pub sampleShadingEnable: VkBool32,
    /// the minimum fraction of sample shading, as described in <<primsrast-sampleshading,Sample Shading>>
    pub minSampleShading: f32,
    /// a bitmask of static coverage information that is ANDed with the coverage information generated during rasterization, as described in <<fragops-samplemask,Sample Mask>>
    pub pSampleMask: *const VkSampleMask,
    pub alphaToCoverageEnable: VkBool32,
    pub alphaToOneEnable: VkBool32,
}

impl Default for VkPipelineMultisampleStateCreateInfo {
    fn default () -> VkPipelineMultisampleStateCreateInfo {
        return unsafe {
            VkPipelineMultisampleStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying stencil operation state
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkStencilOpState {
    /// the action performed on samples that fail the stencil test
    pub failOp: VkStencilOp,
    /// the action performed on samples that pass both the depth and stencil tests
    pub passOp: VkStencilOp,
    /// the action performed on samples that pass the stencil test and fail the depth test
    pub depthFailOp: VkStencilOp,
    /// the comparison operator used in the stencil test
    pub compareOp: VkCompareOp,
    pub compareMask: u32,
    pub writeMask: u32,
    /// an integer reference value that is used in the unsigned stencil comparison
    pub reference: u32,
}

impl Default for VkStencilOpState {
    fn default () -> VkStencilOpState {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created pipeline depth stencil state
#[repr(C)]
pub struct VkPipelineDepthStencilStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineDepthStencilStateCreateFlags,
    pub depthTestEnable: VkBool32,
    pub depthWriteEnable: VkBool32,
    /// the comparison operator used in the
    pub depthCompareOp: VkCompareOp,
    pub depthBoundsTestEnable: VkBool32,
    pub stencilTestEnable: VkBool32,
    pub front: VkStencilOpState,
    pub back: VkStencilOpState,
    pub minDepthBounds: f32,
    pub maxDepthBounds: f32,
}

impl Default for VkPipelineDepthStencilStateCreateInfo {
    fn default () -> VkPipelineDepthStencilStateCreateInfo {
        return unsafe {
            VkPipelineDepthStencilStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a pipeline color blend attachment state
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkPipelineColorBlendAttachmentState {
    pub blendEnable: VkBool32,
    pub srcColorBlendFactor: VkBlendFactor,
    pub dstColorBlendFactor: VkBlendFactor,
    pub colorBlendOp: VkBlendOp,
    pub srcAlphaBlendFactor: VkBlendFactor,
    pub dstAlphaBlendFactor: VkBlendFactor,
    pub alphaBlendOp: VkBlendOp,
    /// a bitmask selecting which of the R, G, B, and/or A components are enabled for writing, as described in the
    pub colorWriteMask: VkColorComponentFlags,
}

impl Default for VkPipelineColorBlendAttachmentState {
    fn default () -> VkPipelineColorBlendAttachmentState {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created pipeline color blend state
#[repr(C)]
pub struct VkPipelineColorBlendStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineColorBlendStateCreateFlags,
    pub logicOpEnable: VkBool32,
    pub logicOp: VkLogicOp,
    /// the number of `VkPipelineColorBlendAttachmentState` elements in `pAttachments`
    pub attachmentCount: u32,
    /// is a pointer to array of per target attachment states
    pub pAttachments: *const VkPipelineColorBlendAttachmentState,
    /// an array of four values used as the R, G, B, and A components of the blend constant that are used in blending, depending on the <<framebuffer-blendfactors,blend factor>>
    pub blendConstants: [f32;4],
}

impl Default for VkPipelineColorBlendStateCreateInfo {
    fn default () -> VkPipelineColorBlendStateCreateInfo {
        return unsafe {
            VkPipelineColorBlendStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created pipeline dynamic state
#[repr(C)]
pub struct VkPipelineDynamicStateCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineDynamicStateCreateFlags,
    /// the number of elements in the `pDynamicStates` array
    pub dynamicStateCount: u32,
    /// an array of `VkDynamicState` enums which indicate which pieces of pipeline state will use the values from dynamic state commands rather than from the pipeline state creation info
    pub pDynamicStates: *const VkDynamicState,
}

impl Default for VkPipelineDynamicStateCreateInfo {
    fn default () -> VkPipelineDynamicStateCreateInfo {
        return unsafe {
            VkPipelineDynamicStateCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created graphics pipeline
#[repr(C)]
pub struct VkGraphicsPipelineCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask of `VkPipelineCreateFlagBits` controlling how the pipeline will be generated, as described below
    pub flags: VkPipelineCreateFlags,
    /// the number of entries in the `pStages` array
    pub stageCount: u32,
    /// an array of size `stageCount` structures of type `VkPipelineShaderStageCreateInfo` describing the set of the shader stages to be included in the graphics pipeline
    pub pStages: *const VkPipelineShaderStageCreateInfo,
    /// a pointer to an instance of the `VkPipelineVertexInputStateCreateInfo` structure
    pub pVertexInputState: *const VkPipelineVertexInputStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineInputAssemblyStateCreateInfo` structure which determines input assembly behavior, as described in <<drawing, Drawing Commands>>
    pub pInputAssemblyState: *const VkPipelineInputAssemblyStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineTessellationStateCreateInfo` structure, and is ignored if the pipeline does not include a tessellation control shader stage and tessellation evaluation shader stage
    pub pTessellationState: *const VkPipelineTessellationStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineViewportStateCreateInfo` structure, and is ignored if the pipeline has rasterization disabled
    pub pViewportState: *const VkPipelineViewportStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineRasterizationStateCreateInfo` structure
    pub pRasterizationState: *const VkPipelineRasterizationStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineMultisampleStateCreateInfo,` and is ignored if the pipeline has rasterization disabled
    pub pMultisampleState: *const VkPipelineMultisampleStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineDepthStencilStateCreateInfo` structure, and is ignored if the pipeline has rasterization disabled or if the subpass of the render pass the pipeline is created against does not use a depth/stencil attachment
    pub pDepthStencilState: *const VkPipelineDepthStencilStateCreateInfo,
    /// a pointer to an instance of the `VkPipelineColorBlendStateCreateInfo` structure, and is ignored if the pipeline has rasterization disabled or if the subpass of the render pass the pipeline is created against does not use any color attachments
    pub pColorBlendState: *const VkPipelineColorBlendStateCreateInfo,
    /// a pointer to `VkPipelineDynamicStateCreateInfo` and is used to indicate which properties of the pipeline state object are dynamic and can: be changed independently of the pipeline state
    pub pDynamicState: *const VkPipelineDynamicStateCreateInfo,
    /// the description of binding locations used by both the pipeline and descriptor sets used with the pipeline
    pub layout: VkPipelineLayout,
    /// a handle to a render pass object describing the environment in which the pipeline will be used; the pipeline must: only be used with an instance of any render pass compatible with the one provided
    pub renderPass: VkRenderPass,
    /// the index of the subpass in the render pass where this pipeline will be used
    pub subpass: u32,
    /// a pipeline to derive from
    pub basePipelineHandle: VkPipeline,
    /// an index into the `pCreateInfos` parameter to use as a pipeline to derive from
    pub basePipelineIndex: i32,
}

impl Default for VkGraphicsPipelineCreateInfo {
    fn default () -> VkGraphicsPipelineCreateInfo {
        return unsafe {
            VkGraphicsPipelineCreateInfo {
                sType: VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created compute pipeline
#[repr(C)]
pub struct VkComputePipelineCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub flags: VkPipelineCreateFlags,
    /// a `VkPipelineShaderStageCreateInfo` describing the compute shader
    pub stage: VkPipelineShaderStageCreateInfo,
    /// the description of binding locations used by both the pipeline and descriptor sets used with the pipeline
    pub layout: VkPipelineLayout,
    /// a pipeline to derive from
    pub basePipelineHandle: VkPipeline,
    /// an index into the `pCreateInfos` parameter to use as a pipeline to derive from
    pub basePipelineIndex: i32,
}

impl Default for VkComputePipelineCreateInfo {
    fn default () -> VkComputePipelineCreateInfo {
        return unsafe {
            VkComputePipelineCreateInfo {
                sType: VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a push constant range
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkPushConstantRange {
    /// a set of stage flags describing the shader stages that will access a range of push constants
    pub stageFlags: VkShaderStageFlags,
    pub offset: u32,
    pub size: u32,
}

impl Default for VkPushConstantRange {
    fn default () -> VkPushConstantRange {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying the parameters of a newly created pipeline layout object
#[repr(C)]
pub struct VkPipelineLayoutCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkPipelineLayoutCreateFlags,
    /// the number of descriptor sets included in the pipeline layout
    pub setLayoutCount: u32,
    /// a pointer to an array of `VkDescriptorSetLayout` objects
    pub pSetLayouts: *const VkDescriptorSetLayout,
    /// the number of push constant ranges included in the pipeline layout
    pub pushConstantRangeCount: u32,
    /// a pointer to an array of `VkPushConstantRange` structures defining a set of push constant ranges for use in a single pipeline layout
    pub pPushConstantRanges: *const VkPushConstantRange,
}

impl Default for VkPipelineLayoutCreateInfo {
    fn default () -> VkPipelineLayoutCreateInfo {
        return unsafe {
            VkPipelineLayoutCreateInfo {
                sType: VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created sampler
#[repr(C)]
pub struct VkSamplerCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkSamplerCreateFlags,
    /// the magnification filter to apply to lookups, and is of type:
    pub magFilter: VkFilter,
    pub minFilter: VkFilter,
    pub mipmapMode: VkSamplerMipmapMode,
    pub addressModeU: VkSamplerAddressMode,
    pub addressModeV: VkSamplerAddressMode,
    pub addressModeW: VkSamplerAddressMode,
    pub mipLodBias: f32,
    pub anisotropyEnable: VkBool32,
    pub maxAnisotropy: f32,
    pub compareEnable: VkBool32,
    pub compareOp: VkCompareOp,
    pub minLod: f32,
    pub maxLod: f32,
    pub borderColor: VkBorderColor,
    pub unnormalizedCoordinates: VkBool32,
}

impl Default for VkSamplerCreateInfo {
    fn default () -> VkSamplerCreateInfo {
        return unsafe {
            VkSamplerCreateInfo {
                sType: VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a descriptor set layout binding
#[repr(C)]
pub struct VkDescriptorSetLayoutBinding {
    /// the binding number of this entry and corresponds to a resource of the same binding number in the shader stages
    pub binding: u32,
    /// a `VkDescriptorType` specifying which type of resource descriptors are used for this binding
    pub descriptorType: VkDescriptorType,
    /// the number of descriptors contained in the binding, accessed in a shader as an array
    pub descriptorCount: u32,
    pub stageFlags: VkShaderStageFlags,
    pub pImmutableSamplers: *const VkSampler,
}

impl Default for VkDescriptorSetLayoutBinding {
    fn default () -> VkDescriptorSetLayoutBinding {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created descriptor set layout
#[repr(C)]
pub struct VkDescriptorSetLayoutCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub flags: VkDescriptorSetLayoutCreateFlags,
    pub bindingCount: u32,
    pub pBindings: *const VkDescriptorSetLayoutBinding,
}

impl Default for VkDescriptorSetLayoutCreateInfo {
    fn default () -> VkDescriptorSetLayoutCreateInfo {
        return unsafe {
            VkDescriptorSetLayoutCreateInfo {
                sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying descriptor pool size
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDescriptorPoolSize {
    /// the type of descriptor
    pub ptype: VkDescriptorType,
    /// the number of descriptors of that type to allocate
    pub descriptorCount: u32,
}

impl Default for VkDescriptorPoolSize {
    fn default () -> VkDescriptorPoolSize {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created descriptor pool
#[repr(C)]
pub struct VkDescriptorPoolCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub flags: VkDescriptorPoolCreateFlags,
    pub maxSets: u32,
    pub poolSizeCount: u32,
    pub pPoolSizes: *const VkDescriptorPoolSize,
}

impl Default for VkDescriptorPoolCreateInfo {
    fn default () -> VkDescriptorPoolCreateInfo {
        return unsafe {
            VkDescriptorPoolCreateInfo {
                sType: VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying the allocation parameters for descriptor sets
#[repr(C)]
pub struct VkDescriptorSetAllocateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the pool which the sets will be allocated from
    pub descriptorPool: VkDescriptorPool,
    pub descriptorSetCount: u32,
    /// an array of descriptor set layouts, with each member specifying how the corresponding descriptor set is allocated
    pub pSetLayouts: *const VkDescriptorSetLayout,
}

impl Default for VkDescriptorSetAllocateInfo {
    fn default () -> VkDescriptorSetAllocateInfo {
        return unsafe {
            VkDescriptorSetAllocateInfo {
                sType: VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying descriptor image info
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDescriptorImageInfo {
    /// a sampler handle, and is used in descriptor updates for types `VK_DESCRIPTOR_TYPE_SAMPLER` and `VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER` if the binding being updated does not use immutable samplers
    pub sampler: VkSampler,
    /// an image view handle, and is used in descriptor updates for types `VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,` `VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,` `VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,` and `VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT`
    pub imageView: VkImageView,
    /// the layout that the image subresources accessible from `imageView` will be in at the time this descriptor is accessed
    pub imageLayout: VkImageLayout,
}

impl Default for VkDescriptorImageInfo {
    fn default () -> VkDescriptorImageInfo {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying descriptor buffer info
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDescriptorBufferInfo {
    /// the buffer resource
    pub buffer: VkBuffer,
    /// the offset in bytes from the start of `buffer`
    pub offset: VkDeviceSize,
    /// the size in bytes that is used for this descriptor update, or `VK_WHOLE_SIZE` to use the range from `offset` to the end of the buffer
    pub range: VkDeviceSize,
}

impl Default for VkDescriptorBufferInfo {
    fn default () -> VkDescriptorBufferInfo {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying the parameters of a descriptor set write operation
#[repr(C)]
pub struct VkWriteDescriptorSet {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the destination descriptor set to update
    pub dstSet: VkDescriptorSet,
    /// the descriptor binding within that set
    pub dstBinding: u32,
    /// the starting element in that array
    pub dstArrayElement: u32,
    /// the number of descriptors to update (the number of elements in `pImageInfo,` `pBufferInfo,` or `pTexelBufferView)`
    pub descriptorCount: u32,
    /// a `VkDescriptorType` specifying the type of each descriptor in `pImageInfo,` `pBufferInfo,` or `pTexelBufferView,` as described below
    pub descriptorType: VkDescriptorType,
    pub pImageInfo: *const VkDescriptorImageInfo,
    pub pBufferInfo: *const VkDescriptorBufferInfo,
    pub pTexelBufferView: *const VkBufferView,
}

impl Default for VkWriteDescriptorSet {
    fn default () -> VkWriteDescriptorSet {
        return unsafe {
            VkWriteDescriptorSet {
                sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a copy descriptor set operation
#[repr(C)]
pub struct VkCopyDescriptorSet {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub srcSet: VkDescriptorSet,
    pub srcBinding: u32,
    pub srcArrayElement: u32,
    pub dstSet: VkDescriptorSet,
    pub dstBinding: u32,
    pub dstArrayElement: u32,
    /// the number of descriptors to copy from the source to destination
    pub descriptorCount: u32,
}

impl Default for VkCopyDescriptorSet {
    fn default () -> VkCopyDescriptorSet {
        return unsafe {
            VkCopyDescriptorSet {
                sType: VK_STRUCTURE_TYPE_COPY_DESCRIPTOR_SET,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created framebuffer
#[repr(C)]
pub struct VkFramebufferCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkFramebufferCreateFlags,
    /// a render pass that defines what render passes the framebuffer will be compatible with
    pub renderPass: VkRenderPass,
    /// the number of attachments
    pub attachmentCount: u32,
    /// an array of `VkImageView` handles, each of which will be used as the corresponding attachment in a render pass instance
    pub pAttachments: *const VkImageView,
    pub width: u32,
    pub height: u32,
    pub layers: u32,
}

impl Default for VkFramebufferCreateInfo {
    fn default () -> VkFramebufferCreateInfo {
        return unsafe {
            VkFramebufferCreateInfo {
                sType: VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying an attachment description
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkAttachmentDescription {
    /// a bitmask describing additional properties of the attachment
    pub flags: VkAttachmentDescriptionFlags,
    pub format: VkFormat,
    pub samples: VkSampleCountFlagBits,
    pub loadOp: VkAttachmentLoadOp,
    pub storeOp: VkAttachmentStoreOp,
    pub stencilLoadOp: VkAttachmentLoadOp,
    pub stencilStoreOp: VkAttachmentStoreOp,
    pub initialLayout: VkImageLayout,
    pub finalLayout: VkImageLayout,
}

impl Default for VkAttachmentDescription {
    fn default () -> VkAttachmentDescription {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying an attachment reference
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkAttachmentReference {
    /// the index of the attachment of the render pass, and corresponds to the index of the corresponding element in the `pAttachments` array of the `VkRenderPassCreateInfo` structure
    pub attachment: u32,
    /// a `VkImageLayout` value specifying the layout the attachment uses during the subpass
    pub layout: VkImageLayout,
}

impl Default for VkAttachmentReference {
    fn default () -> VkAttachmentReference {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a subpass description
#[repr(C)]
pub struct VkSubpassDescription {
    /// a bitmask indicating usage of the subpass
    pub flags: VkSubpassDescriptionFlags,
    pub pipelineBindPoint: VkPipelineBindPoint,
    pub inputAttachmentCount: u32,
    pub pInputAttachments: *const VkAttachmentReference,
    pub colorAttachmentCount: u32,
    pub pColorAttachments: *const VkAttachmentReference,
    pub pResolveAttachments: *const VkAttachmentReference,
    pub pDepthStencilAttachment: *const VkAttachmentReference,
    pub preserveAttachmentCount: u32,
    pub pPreserveAttachments: *const u32,
}

impl Default for VkSubpassDescription {
    fn default () -> VkSubpassDescription {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a subpass dependency
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSubpassDependency {
    /// the subpass index of the first subpass in the dependency, or `VK_SUBPASS_EXTERNAL`
    pub srcSubpass: u32,
    /// the subpass index of the second subpass in the dependency, or `VK_SUBPASS_EXTERNAL`
    pub dstSubpass: u32,
    pub srcStageMask: VkPipelineStageFlags,
    pub dstStageMask: VkPipelineStageFlags,
    pub srcAccessMask: VkAccessFlags,
    pub dstAccessMask: VkAccessFlags,
    /// a bitmask of `VkDependencyFlagBits`
    pub dependencyFlags: VkDependencyFlags,
}

impl Default for VkSubpassDependency {
    fn default () -> VkSubpassDependency {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created render pass
#[repr(C)]
pub struct VkRenderPassCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkRenderPassCreateFlags,
    /// the number of attachments used by this render pass, or zero indicating no attachments
    pub attachmentCount: u32,
    pub pAttachments: *const VkAttachmentDescription,
    /// the number of subpasses to create for this render pass
    pub subpassCount: u32,
    pub pSubpasses: *const VkSubpassDescription,
    /// the number of dependencies between pairs of subpasses, or zero indicating no dependencies
    pub dependencyCount: u32,
    pub pDependencies: *const VkSubpassDependency,
}

impl Default for VkRenderPassCreateInfo {
    fn default () -> VkRenderPassCreateInfo {
        return unsafe {
            VkRenderPassCreateInfo {
                sType: VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of
#[repr(C)]
pub struct VkCommandPoolCreateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a combination of bitmask flags indicating usage behavior for the pool and command buffers allocated from it
    pub flags: VkCommandPoolCreateFlags,
    pub queueFamilyIndex: u32,
}

impl Default for VkCommandPoolCreateInfo {
    fn default () -> VkCommandPoolCreateInfo {
        return unsafe {
            VkCommandPoolCreateInfo {
                sType: VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying the allocation parameters for command buffer object
#[repr(C)]
pub struct VkCommandBufferAllocateInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the command pool from which the command buffers are allocated
    pub commandPool: VkCommandPool,
    pub level: VkCommandBufferLevel,
    pub commandBufferCount: u32,
}

impl Default for VkCommandBufferAllocateInfo {
    fn default () -> VkCommandBufferAllocateInfo {
        return unsafe {
            VkCommandBufferAllocateInfo {
                sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying command buffer inheritance info
#[repr(C)]
pub struct VkCommandBufferInheritanceInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a `VkRenderPass` object defining which render passes the `VkCommandBuffer` will be <<renderpass-compatibility, compatible>> with and can: be executed within
    pub renderPass: VkRenderPass,
    /// the index of the subpass within the render pass instance that the `VkCommandBuffer` will be executed within
    pub subpass: u32,
    pub framebuffer: VkFramebuffer,
    pub occlusionQueryEnable: VkBool32,
    pub queryFlags: VkQueryControlFlags,
    pub pipelineStatistics: VkQueryPipelineStatisticFlags,
}

impl Default for VkCommandBufferInheritanceInfo {
    fn default () -> VkCommandBufferInheritanceInfo {
        return unsafe {
            VkCommandBufferInheritanceInfo {
                sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a command buffer begin operation
#[repr(C)]
pub struct VkCommandBufferBeginInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask indicating usage behavior for the command buffer
    pub flags: VkCommandBufferUsageFlags,
    pub pInheritanceInfo: *const VkCommandBufferInheritanceInfo,
}

impl Default for VkCommandBufferBeginInfo {
    fn default () -> VkCommandBufferBeginInfo {
        return unsafe {
            VkCommandBufferBeginInfo {
                sType: VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a buffer copy operation
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkBufferCopy {
    /// the starting offset in bytes from the start of `srcBuffer`
    pub srcOffset: VkDeviceSize,
    /// the starting offset in bytes from the start of `dstBuffer`
    pub dstOffset: VkDeviceSize,
    /// the number of bytes to copy
    pub size: VkDeviceSize,
}

impl Default for VkBufferCopy {
    fn default () -> VkBufferCopy {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a image subresource layers
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkImageSubresourceLayers {
    /// a combination of `VkImageAspectFlagBits,` selecting the color, depth and/or stencil aspects to be copied
    pub aspectMask: VkImageAspectFlags,
    /// the mipmap level to copy from
    pub mipLevel: u32,
    pub baseArrayLayer: u32,
    pub layerCount: u32,
}

impl Default for VkImageSubresourceLayers {
    fn default () -> VkImageSubresourceLayers {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying an image copy operation
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkImageCopy {
    pub srcSubresource: VkImageSubresourceLayers,
    pub srcOffset: VkOffset3D,
    pub dstSubresource: VkImageSubresourceLayers,
    pub dstOffset: VkOffset3D,
    /// the size in texels of the source image to copy in `width,` `height` and `depth`
    pub extent: VkExtent3D,
}

impl Default for VkImageCopy {
    fn default () -> VkImageCopy {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying an image blit operation
#[repr(C)]
pub struct VkImageBlit {
    /// the subresource to blit from
    pub srcSubresource: VkImageSubresourceLayers,
    /// an array of two `VkOffset3D` structures specifying the bounds of the source region within `srcSubresource`
    pub srcOffsets: [VkOffset3D;2],
    /// the subresource to blit into
    pub dstSubresource: VkImageSubresourceLayers,
    /// an array of two `VkOffset3D` structures specifying the bounds of the destination region within `dstSubresource`
    pub dstOffsets: [VkOffset3D;2],
}

impl Default for VkImageBlit {
    fn default () -> VkImageBlit {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a buffer image copy operation
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkBufferImageCopy {
    /// the offset in bytes from the start of the buffer object where the image data is copied from or to
    pub bufferOffset: VkDeviceSize,
    pub bufferRowLength: u32,
    pub bufferImageHeight: u32,
    /// a `VkImageSubresourceLayers` used to specify the specific image subresources of the image used for the source or destination image data
    pub imageSubresource: VkImageSubresourceLayers,
    pub imageOffset: VkOffset3D,
    /// the size in texels of the image to copy in `width,` `height` and `depth`
    pub imageExtent: VkExtent3D,
}

impl Default for VkBufferImageCopy {
    fn default () -> VkBufferImageCopy {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a clear color value
#[repr(C)]
pub struct VkClearColorValue {
    data: [u8;16]
}
impl VkClearColorValue {
  #[inline] pub fn as_float32(&self) -> *const [f32;4] {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_float32_mut(&mut self) -> *mut [f32;4] {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_int32(&self) -> *const [i32;4] {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_int32_mut(&mut self) -> *mut [i32;4] {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_uint32(&self) -> *const [u32;4] {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_uint32_mut(&mut self) -> *mut [u32;4] {
    unsafe { ::std::mem::transmute(&self.data) }
  }
}

impl Default for VkClearColorValue {
    fn default () -> VkClearColorValue {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a clear depth stencil value
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkClearDepthStencilValue {
    /// the clear value for the depth aspect of the depth/stencil attachment
    pub depth: f32,
    /// the clear value for the stencil aspect of the depth/stencil attachment
    pub stencil: u32,
}

impl Default for VkClearDepthStencilValue {
    fn default () -> VkClearDepthStencilValue {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a clear value
#[repr(C)]
pub struct VkClearValue {
    data: [u8;16]
}
impl VkClearValue {
  #[inline] pub fn as_color(&self) -> *const VkClearColorValue {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_color_mut(&mut self) -> *mut VkClearColorValue {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_depthStencil(&self) -> *const VkClearDepthStencilValue {
    unsafe { ::std::mem::transmute(&self.data) }
  }
  #[inline] pub fn as_depthStencil_mut(&mut self) -> *mut VkClearDepthStencilValue {
    unsafe { ::std::mem::transmute(&self.data) }
  }
}

impl Default for VkClearValue {
    fn default () -> VkClearValue {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a clear attachment
#[repr(C)]
pub struct VkClearAttachment {
    /// a mask selecting the color, depth and/or stencil aspects of the attachment to be cleared
    pub aspectMask: VkImageAspectFlags,
    /// only meaningful if `VK_IMAGE_ASPECT_COLOR_BIT` is set in `aspectMask,` in which case it is an index to the `pColorAttachments` array in the `VkSubpassDescription` structure of the current subpass which selects the color attachment to clear
    pub colorAttachment: u32,
    /// the color or depth/stencil value to clear the attachment to, as described in <<clears-values,Clear Values>> below
    pub clearValue: VkClearValue,
}

impl Default for VkClearAttachment {
    fn default () -> VkClearAttachment {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a clear rectangle
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkClearRect {
    /// the two-dimensional region to be cleared
    pub rect: VkRect2D,
    /// the first layer to be cleared
    pub baseArrayLayer: u32,
    /// the number of layers to clear
    pub layerCount: u32,
}

impl Default for VkClearRect {
    fn default () -> VkClearRect {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying an image resolve operation
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkImageResolve {
    pub srcSubresource: VkImageSubresourceLayers,
    pub srcOffset: VkOffset3D,
    pub dstSubresource: VkImageSubresourceLayers,
    pub dstOffset: VkOffset3D,
    /// the size in texels of the source image to resolve in `width,` `height` and `depth`
    pub extent: VkExtent3D,
}

impl Default for VkImageResolve {
    fn default () -> VkImageResolve {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a global memory barrier
#[repr(C)]
pub struct VkMemoryBarrier {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub srcAccessMask: VkAccessFlags,
    pub dstAccessMask: VkAccessFlags,
}

impl Default for VkMemoryBarrier {
    fn default () -> VkMemoryBarrier {
        return unsafe {
            VkMemoryBarrier {
                sType: VK_STRUCTURE_TYPE_MEMORY_BARRIER,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a buffer memory barrier
#[repr(C)]
pub struct VkBufferMemoryBarrier {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub srcAccessMask: VkAccessFlags,
    pub dstAccessMask: VkAccessFlags,
    /// the source queue family for a
    pub srcQueueFamilyIndex: u32,
    /// the destination queue family for a
    pub dstQueueFamilyIndex: u32,
    /// a handle to the buffer whose backing memory is affected by the barrier
    pub buffer: VkBuffer,
    /// an offset in bytes into the backing memory for `buffer;` this is relative to the base offset as bound to the buffer
    pub offset: VkDeviceSize,
    /// a size in bytes of the affected area of backing memory for `buffer,` or `VK_WHOLE_SIZE` to use the range from `offset` to the end of the buffer
    pub size: VkDeviceSize,
}

impl Default for VkBufferMemoryBarrier {
    fn default () -> VkBufferMemoryBarrier {
        return unsafe {
            VkBufferMemoryBarrier {
                sType: VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying the parameters of an image memory barrier
#[repr(C)]
pub struct VkImageMemoryBarrier {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub srcAccessMask: VkAccessFlags,
    pub dstAccessMask: VkAccessFlags,
    /// the old layout in an
    pub oldLayout: VkImageLayout,
    /// the new layout in an
    pub newLayout: VkImageLayout,
    /// the source queue family for a
    pub srcQueueFamilyIndex: u32,
    /// the destination queue family for a
    pub dstQueueFamilyIndex: u32,
    /// a handle to the image affected by this barrier
    pub image: VkImage,
    pub subresourceRange: VkImageSubresourceRange,
}

impl Default for VkImageMemoryBarrier {
    fn default () -> VkImageMemoryBarrier {
        return unsafe {
            VkImageMemoryBarrier {
                sType: VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying render pass begin info
#[repr(C)]
pub struct VkRenderPassBeginInfo {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the render pass to begin an instance of
    pub renderPass: VkRenderPass,
    /// the framebuffer containing the attachments that are used with the render pass
    pub framebuffer: VkFramebuffer,
    /// the render area that is affected by the render pass instance, and is described in more detail below
    pub renderArea: VkRect2D,
    /// the number of elements in `pClearValues`
    pub clearValueCount: u32,
    /// an array of `VkClearValue` structures that contains clear values for each attachment, if the attachment uses a `loadOp` value of `VK_ATTACHMENT_LOAD_OP_CLEAR` or if the attachment has a depth/stencil format and uses a `stencilLoadOp` value of `VK_ATTACHMENT_LOAD_OP_CLEAR`
    pub pClearValues: *const VkClearValue,
}

impl Default for VkRenderPassBeginInfo {
    fn default () -> VkRenderPassBeginInfo {
        return unsafe {
            VkRenderPassBeginInfo {
                sType: VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a dispatch indirect command
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDispatchIndirectCommand {
    /// the number of local workgroups to dispatch in the X dimension
    pub x: u32,
    /// the number of local workgroups to dispatch in the Y dimension
    pub y: u32,
    /// the number of local workgroups to dispatch in the Z dimension
    pub z: u32,
}

impl Default for VkDispatchIndirectCommand {
    fn default () -> VkDispatchIndirectCommand {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a draw indexed indirect command
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDrawIndexedIndirectCommand {
    /// the number of vertices to draw
    pub indexCount: u32,
    /// the number of instances to draw
    pub instanceCount: u32,
    /// the base index within the index buffer
    pub firstIndex: u32,
    /// the value added to the vertex index before indexing into the vertex buffer
    pub vertexOffset: i32,
    /// the instance ID of the first instance to draw
    pub firstInstance: u32,
}

impl Default for VkDrawIndexedIndirectCommand {
    fn default () -> VkDrawIndexedIndirectCommand {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying a draw indirect command
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDrawIndirectCommand {
    /// the number of vertices to draw
    pub vertexCount: u32,
    /// the number of instances to draw
    pub instanceCount: u32,
    /// the index of the first vertex to draw
    pub firstVertex: u32,
    /// the instance ID of the first instance to draw
    pub firstInstance: u32,
}

impl Default for VkDrawIndirectCommand {
    fn default () -> VkDrawIndirectCommand {
        return unsafe { ::std::mem::zeroed() };
    }
}



// feature VK_KHR_surface
// ----------------------

/// Opaque handle to a surface object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkSurfaceKHR (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkSurfaceKHR {
    fn null() -> VkSurfaceKHR {
        return VkSurfaceKHR(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkSurfaceKHR {
    fn default() -> VkSurfaceKHR {
        return VkSurfaceKHR(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_KHR_SURFACE_SPEC_VERSION: VkEnum = 25;
pub const VK_KHR_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_surface";
pub const VK_COLORSPACE_SRGB_NONLINEAR_KHR: VkEnum = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;


/// supported color space of the presentation engine
pub type VkColorSpaceKHR = VkEnum;
/// The presentation engine supports the sRGB color space
pub const VK_COLOR_SPACE_SRGB_NONLINEAR_KHR : VkColorSpaceKHR = 0;
/// supports the Display-P3 color space and applies an sRGB-like OETF (defined below)
pub const VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT : VkColorSpaceKHR = 1000104001;
/// supports the extended
pub const VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT : VkColorSpaceKHR = 1000104002;
/// supports the DCI-P3 color space
pub const VK_COLOR_SPACE_DCI_P3_LINEAR_EXT : VkColorSpaceKHR = 1000104003;
/// supports the DCI-P3 color
pub const VK_COLOR_SPACE_DCI_P3_NONLINEAR_EXT : VkColorSpaceKHR = 1000104004;
/// supports the BT709 color space
pub const VK_COLOR_SPACE_BT709_LINEAR_EXT : VkColorSpaceKHR = 1000104005;
/// supports the BT709 color
pub const VK_COLOR_SPACE_BT709_NONLINEAR_EXT : VkColorSpaceKHR = 1000104006;
/// supports the BT2020 color space
pub const VK_COLOR_SPACE_BT2020_LINEAR_EXT : VkColorSpaceKHR = 1000104007;
/// supports HDR10 (BT2020 color)
pub const VK_COLOR_SPACE_HDR10_ST2084_EXT : VkColorSpaceKHR = 1000104008;
/// supports Dolby Vision (BT2020
pub const VK_COLOR_SPACE_DOLBYVISION_EXT : VkColorSpaceKHR = 1000104009;
/// supports HDR10 (BT2020 color space)
pub const VK_COLOR_SPACE_HDR10_HLG_EXT : VkColorSpaceKHR = 1000104010;
/// supports the AdobeRGB color
pub const VK_COLOR_SPACE_ADOBERGB_LINEAR_EXT : VkColorSpaceKHR = 1000104011;
/// supports the AdobeRGB
pub const VK_COLOR_SPACE_ADOBERGB_NONLINEAR_EXT : VkColorSpaceKHR = 1000104012;
/// color components used "as is"
pub const VK_COLOR_SPACE_PASS_THROUGH_EXT : VkColorSpaceKHR = 1000104013;
pub const VK_COLOR_SPACE_BEGIN_RANGE_KHR : VkColorSpaceKHR = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
pub const VK_COLOR_SPACE_END_RANGE_KHR : VkColorSpaceKHR = VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
pub const VK_COLOR_SPACE_RANGE_SIZE_KHR : VkColorSpaceKHR = (VK_COLOR_SPACE_SRGB_NONLINEAR_KHR as i32 - VK_COLOR_SPACE_SRGB_NONLINEAR_KHR as i32 + 1i32) as u32;
pub const VK_COLOR_SPACE_MAX_ENUM_KHR : VkColorSpaceKHR = 0x7FFFFFFF;

/// presentation mode supported for a surface
pub type VkPresentModeKHR = VkEnum;
/// The presentation engine does not wait for a vertical blanking period to update the current image, meaning this mode may: result in visible tearing
pub const VK_PRESENT_MODE_IMMEDIATE_KHR : VkPresentModeKHR = 0;
/// The presentation engine waits for the next vertical blanking period to update the current image
pub const VK_PRESENT_MODE_MAILBOX_KHR : VkPresentModeKHR = 1;
/// The presentation engine waits for the next vertical blanking period to update the current image
pub const VK_PRESENT_MODE_FIFO_KHR : VkPresentModeKHR = 2;
/// The presentation engine generally waits for the next vertical blanking period to update the current image
pub const VK_PRESENT_MODE_FIFO_RELAXED_KHR : VkPresentModeKHR = 3;
/// The presentation engine and application have concurrent access to a single image, which is referred to as a _shared presentable image_
pub const VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR : VkPresentModeKHR = 1000111000;
/// The presentation engine and application have concurrent access to a single image, which is referred to as a _shared presentable image_
pub const VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR : VkPresentModeKHR = 1000111001;
pub const VK_PRESENT_MODE_BEGIN_RANGE_KHR : VkPresentModeKHR = VK_PRESENT_MODE_IMMEDIATE_KHR;
pub const VK_PRESENT_MODE_END_RANGE_KHR : VkPresentModeKHR = VK_PRESENT_MODE_FIFO_RELAXED_KHR;
pub const VK_PRESENT_MODE_RANGE_SIZE_KHR : VkPresentModeKHR = (VK_PRESENT_MODE_FIFO_RELAXED_KHR as i32 - VK_PRESENT_MODE_IMMEDIATE_KHR as i32 + 1i32) as u32;
pub const VK_PRESENT_MODE_MAX_ENUM_KHR : VkPresentModeKHR = 0x7FFFFFFF;


/// presentation transforms supported on a device
pub type VkSurfaceTransformFlagBitsKHR = VkEnum;
/// The image content is presented without being transformed
pub const VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000001;
/// The image content is rotated 90 degrees clockwise
pub const VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000002;
/// The image content is rotated 180 degrees clockwise
pub const VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000004;
/// The image content is rotated 270 degrees clockwise
pub const VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000008;
/// The image content is mirrored horizontally
pub const VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000010;
/// The image content is mirrored horizontally, then rotated 90 degrees clockwise
pub const VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000020;
/// The image content is mirrored horizontally, then rotated 180 degrees clockwise
pub const VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000040;
/// The image content is mirrored horizontally, then rotated 270 degrees clockwise
pub const VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000080;
/// The presentation transform is not specified, and is instead determined by platform-specific considerations and mechanisms outside Vulkan
pub const VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR : VkSurfaceTransformFlagBitsKHR = 0x00000100;
pub const VK_SURFACE_TRANSFORM_FLAG_BITS_MAX_ENUM_KHR : VkSurfaceTransformFlagBitsKHR = 0x7FFFFFFF;
pub use self::VkSurfaceTransformFlagBitsKHR as VkSurfaceTransformFlagsKHR;

/// alpha compositing modes supported on a device
pub type VkCompositeAlphaFlagBitsKHR = VkEnum;
/// The alpha channel, if it exists, of the images is ignored in the compositing process
pub const VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR : VkCompositeAlphaFlagBitsKHR = 0x00000001;
/// The alpha channel, if it exists, of the images is respected in the compositing process
pub const VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR : VkCompositeAlphaFlagBitsKHR = 0x00000002;
/// The alpha channel, if it exists, of the images is respected in the compositing process
pub const VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR : VkCompositeAlphaFlagBitsKHR = 0x00000004;
/// The way in which the presentation engine treats the alpha channel in the images is unknown to the Vulkan API
pub const VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR : VkCompositeAlphaFlagBitsKHR = 0x00000008;
pub const VK_COMPOSITE_ALPHA_FLAG_BITS_MAX_ENUM_KHR : VkCompositeAlphaFlagBitsKHR = 0x7FFFFFFF;
pub use self::VkCompositeAlphaFlagBitsKHR as VkCompositeAlphaFlagsKHR;

/// Structure describing capabilities of a surface
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSurfaceCapabilitiesKHR {
    /// the minimum number of images the specified device supports for a swapchain created for the surface, and will be at least one
    pub minImageCount: u32,
    /// the maximum number of images the specified device supports for a swapchain created for the surface, and will be either 0, or greater than or equal to `minImageCount`
    pub maxImageCount: u32,
    /// the current width and height of the surface, or the special value [eq]#(0xFFFFFFFF, 0xFFFFFFFF)# indicating that the surface size will be determined by the extent of a swapchain targeting the surface
    pub currentExtent: VkExtent2D,
    pub minImageExtent: VkExtent2D,
    pub maxImageExtent: VkExtent2D,
    /// the maximum number of layers presentable images can: have for a swapchain created for this device and surface, and will be at least one
    pub maxImageArrayLayers: u32,
    /// a bitmask of `VkSurfaceTransformFlagBitsKHR,` describing the presentation transforms supported for the surface on the specified device, and at least one bit will be set
    pub supportedTransforms: VkSurfaceTransformFlagsKHR,
    /// the surface's current transform relative to the presentation engine's natural orientation, as described by `VkSurfaceTransformFlagBitsKHR`
    pub currentTransform: VkSurfaceTransformFlagBitsKHR,
    /// a bitmask of `VkCompositeAlphaFlagBitsKHR,` representing the alpha compositing modes supported by the presentation engine for the surface on the specified device, and at least one bit will be set
    pub supportedCompositeAlpha: VkCompositeAlphaFlagsKHR,
    /// a bitmask of `VkImageUsageFlagBits` representing the ways the application can: use the presentable images of a swapchain created
    pub supportedUsageFlags: VkImageUsageFlags,
}

impl Default for VkSurfaceCapabilitiesKHR {
    fn default () -> VkSurfaceCapabilitiesKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure describing a supported swapchain format-color space pair
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkSurfaceFormatKHR {
    /// a `VkFormat` that is compatible with the specified surface
    pub format: VkFormat,
    /// a presentation `VkColorSpaceKHR` that is compatible with the surface
    pub colorSpace: VkColorSpaceKHR,
}

impl Default for VkSurfaceFormatKHR {
    fn default () -> VkSurfaceFormatKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}



// feature VK_KHR_swapchain
// ------------------------

/// Opaque handle to a swapchain object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkSwapchainKHR (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkSwapchainKHR {
    fn null() -> VkSwapchainKHR {
        return VkSwapchainKHR(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkSwapchainKHR {
    fn default() -> VkSwapchainKHR {
        return VkSwapchainKHR(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_KHR_SWAPCHAIN_SPEC_VERSION: VkEnum = 68;
pub const VK_KHR_SWAPCHAIN_EXTENSION_NAME: &'static str = "VK_KHR_swapchain";


/// Bitmask controlling swapchain creation
pub type VkSwapchainCreateFlagBitsKHR = VkEnum;
/// Allow images with VK_IMAGE_CREATE_BIND_SFR_BIT_KHX
pub const VK_SWAPCHAIN_CREATE_BIND_SFR_BIT_KHX : VkSwapchainCreateFlagBitsKHR = 0x00000001;
pub const VK_SWAPCHAIN_CREATE_FLAG_BITS_MAX_ENUM_KHR : VkSwapchainCreateFlagBitsKHR = 0x7FFFFFFF;
pub use self::VkSwapchainCreateFlagBitsKHR as VkSwapchainCreateFlagsKHR;

/// Structure specifying parameters of a newly created swapchain object
#[repr(C)]
pub struct VkSwapchainCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask indicating parameters of swapchain creation
    pub flags: VkSwapchainCreateFlagsKHR,
    pub surface: VkSurfaceKHR,
    pub minImageCount: u32,
    pub imageFormat: VkFormat,
    pub imageColorSpace: VkColorSpaceKHR,
    pub imageExtent: VkExtent2D,
    pub imageArrayLayers: u32,
    pub imageUsage: VkImageUsageFlags,
    pub imageSharingMode: VkSharingMode,
    pub queueFamilyIndexCount: u32,
    pub pQueueFamilyIndices: *const u32,
    pub preTransform: VkSurfaceTransformFlagBitsKHR,
    pub compositeAlpha: VkCompositeAlphaFlagBitsKHR,
    pub presentMode: VkPresentModeKHR,
    pub clipped: VkBool32,
    pub oldSwapchain: VkSwapchainKHR,
}

impl Default for VkSwapchainCreateInfoKHR {
    fn default () -> VkSwapchainCreateInfoKHR {
        return unsafe {
            VkSwapchainCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing parameters of a queue presentation
#[repr(C)]
pub struct VkPresentInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of semaphores to wait for before issuing the present request
    pub waitSemaphoreCount: u32,
    pub pWaitSemaphores: *const VkSemaphore,
    /// the number of swapchains being presented to by this command
    pub swapchainCount: u32,
    /// an array of `VkSwapchainKHR` objects with `swapchainCount` entries
    pub pSwapchains: *const VkSwapchainKHR,
    /// an array of indices into the array of each swapchain's presentable images, with `swapchainCount` entries
    pub pImageIndices: *const u32,
    /// an array of `VkResult` typed elements with `swapchainCount` entries
    pub pResults: *mut VkResult,
}

impl Default for VkPresentInfoKHR {
    fn default () -> VkPresentInfoKHR {
        return unsafe {
            VkPresentInfoKHR {
                sType: VK_STRUCTURE_TYPE_PRESENT_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_display
// ----------------------

/// Opaque handle to a display object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDisplayKHR (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDisplayKHR {
    fn null() -> VkDisplayKHR {
        return VkDisplayKHR(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDisplayKHR {
    fn default() -> VkDisplayKHR {
        return VkDisplayKHR(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to a display mode object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDisplayModeKHR (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDisplayModeKHR {
    fn null() -> VkDisplayModeKHR {
        return VkDisplayModeKHR(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDisplayModeKHR {
    fn default() -> VkDisplayModeKHR {
        return VkDisplayModeKHR(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_KHR_DISPLAY_SPEC_VERSION: VkEnum = 21;
pub const VK_KHR_DISPLAY_EXTENSION_NAME: &'static str = "VK_KHR_display";


/// Alpha blending type
pub type VkDisplayPlaneAlphaFlagBitsKHR = VkEnum;
/// The source image will be treated as opaque
pub const VK_DISPLAY_PLANE_ALPHA_OPAQUE_BIT_KHR : VkDisplayPlaneAlphaFlagBitsKHR = 0x00000001;
/// A global alpha value must: be specified that will be applied to all pixels in the source image
pub const VK_DISPLAY_PLANE_ALPHA_GLOBAL_BIT_KHR : VkDisplayPlaneAlphaFlagBitsKHR = 0x00000002;
/// The alpha value will be determined by the alpha channel of the source image's pixels
pub const VK_DISPLAY_PLANE_ALPHA_PER_PIXEL_BIT_KHR : VkDisplayPlaneAlphaFlagBitsKHR = 0x00000004;
/// This is equivalent to `VK_DISPLAY_PLANE_ALPHA_PER_PIXEL_BIT_KHR` except the source alpha values are assumed to be premultiplied into the source image's other color channels
pub const VK_DISPLAY_PLANE_ALPHA_PER_PIXEL_PREMULTIPLIED_BIT_KHR : VkDisplayPlaneAlphaFlagBitsKHR = 0x00000008;
pub const VK_DISPLAY_PLANE_ALPHA_FLAG_BITS_MAX_ENUM_KHR : VkDisplayPlaneAlphaFlagBitsKHR = 0x7FFFFFFF;
pub use self::VkDisplayPlaneAlphaFlagBitsKHR as VkDisplayPlaneAlphaFlagsKHR;
pub use self::VkEnum as VkDisplayModeCreateFlagsKHR;
pub use self::VkEnum as VkDisplaySurfaceCreateFlagsKHR;

/// Structure describing an available display device
#[repr(C)]
pub struct VkDisplayPropertiesKHR {
    /// a handle that is used to refer to the display described here
    pub display: VkDisplayKHR,
    /// a pointer to a NULL-terminated string containing the name of the display
    pub displayName: *const raw::c_char,
    pub physicalDimensions: VkExtent2D,
    pub physicalResolution: VkExtent2D,
    pub supportedTransforms: VkSurfaceTransformFlagsKHR,
    pub planeReorderPossible: VkBool32,
    pub persistentContent: VkBool32,
}

impl Default for VkDisplayPropertiesKHR {
    fn default () -> VkDisplayPropertiesKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure describing display parameters associated with a display mode
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDisplayModeParametersKHR {
    /// the 2D extents of the visible region
    pub visibleRegion: VkExtent2D,
    /// a `uint32_t` that is the number of times the display is refreshed each second multiplied by 1000
    pub refreshRate: u32,
}

impl Default for VkDisplayModeParametersKHR {
    fn default () -> VkDisplayModeParametersKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure describing display mode properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDisplayModePropertiesKHR {
    /// a handle to the display mode described in this structure
    pub displayMode: VkDisplayModeKHR,
    /// a `VkDisplayModeParametersKHR` structure describing the display parameters associated with `displayMode`
    pub parameters: VkDisplayModeParametersKHR,
}

impl Default for VkDisplayModePropertiesKHR {
    fn default () -> VkDisplayModePropertiesKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created display mode object
#[repr(C)]
pub struct VkDisplayModeCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use, and must: be zero
    pub flags: VkDisplayModeCreateFlagsKHR,
    /// a `VkDisplayModeParametersKHR` structure describing the display parameters to use in creating the new mode
    pub parameters: VkDisplayModeParametersKHR,
}

impl Default for VkDisplayModeCreateInfoKHR {
    fn default () -> VkDisplayModeCreateInfoKHR {
        return unsafe {
            VkDisplayModeCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_DISPLAY_MODE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing capabilities of a mode and plane combination
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDisplayPlaneCapabilitiesKHR {
    /// a bitmask of `VkDisplayPlaneAlphaFlagBitsKHR` describing the supported alpha blending modes
    pub supportedAlpha: VkDisplayPlaneAlphaFlagsKHR,
    /// the minimum source rectangle offset supported by this plane using the specified mode
    pub minSrcPosition: VkOffset2D,
    /// the maximum source rectangle offset supported by this plane using the specified mode
    pub maxSrcPosition: VkOffset2D,
    /// the minimum source rectangle size supported by this plane using the specified mode
    pub minSrcExtent: VkExtent2D,
    /// the maximum source rectangle size supported by this plane using the specified mode
    pub maxSrcExtent: VkExtent2D,
    pub minDstPosition: VkOffset2D,
    pub maxDstPosition: VkOffset2D,
    pub minDstExtent: VkExtent2D,
    pub maxDstExtent: VkExtent2D,
}

impl Default for VkDisplayPlaneCapabilitiesKHR {
    fn default () -> VkDisplayPlaneCapabilitiesKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure describing display plane properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDisplayPlanePropertiesKHR {
    /// the handle of the display the plane is currently associated with
    pub currentDisplay: VkDisplayKHR,
    /// the current z-order of the plane
    pub currentStackIndex: u32,
}

impl Default for VkDisplayPlanePropertiesKHR {
    fn default () -> VkDisplayPlanePropertiesKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created display plane surface object
#[repr(C)]
pub struct VkDisplaySurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use, and must: be zero
    pub flags: VkDisplaySurfaceCreateFlagsKHR,
    /// the mode to use when displaying this surface
    pub displayMode: VkDisplayModeKHR,
    /// the plane on which this surface appears
    pub planeIndex: u32,
    /// the z-order of the plane
    pub planeStackIndex: u32,
    /// the transform to apply to the images as part of the scanout operation
    pub transform: VkSurfaceTransformFlagBitsKHR,
    /// the global alpha value
    pub globalAlpha: f32,
    /// the type of alpha blending to use
    pub alphaMode: VkDisplayPlaneAlphaFlagBitsKHR,
    pub imageExtent: VkExtent2D,
}

impl Default for VkDisplaySurfaceCreateInfoKHR {
    fn default () -> VkDisplaySurfaceCreateInfoKHR {
        return unsafe {
            VkDisplaySurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_DISPLAY_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_display_swapchain
// --------------------------------

pub const VK_KHR_DISPLAY_SWAPCHAIN_SPEC_VERSION: VkEnum = 9;
pub const VK_KHR_DISPLAY_SWAPCHAIN_EXTENSION_NAME: &'static str = "VK_KHR_display_swapchain";

/// Structure describing parameters of a queue presentation to a swapchain
#[repr(C)]
pub struct VkDisplayPresentInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a rectangular region of pixels to present
    pub srcRect: VkRect2D,
    /// a rectangular region within the visible region of the swapchain's display mode
    pub dstRect: VkRect2D,
    /// If this is `VK_TRUE,` the display engine will enable buffered mode on displays that support it
    pub persistent: VkBool32,
}

impl Default for VkDisplayPresentInfoKHR {
    fn default () -> VkDisplayPresentInfoKHR {
        return unsafe {
            VkDisplayPresentInfoKHR {
                sType: VK_STRUCTURE_TYPE_DISPLAY_PRESENT_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_xlib_surface
// ---------------------------

#[cfg(feature = "VK_USE_PLATFORM_XLIB_KHR")]
pub const VK_KHR_XLIB_SURFACE_SPEC_VERSION: VkEnum = 6;
#[cfg(feature = "VK_USE_PLATFORM_XLIB_KHR")]
pub const VK_KHR_XLIB_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_xlib_surface";

#[cfg(feature = "VK_USE_PLATFORM_XLIB_KHR")]
pub use self::VkEnum as VkXlibSurfaceCreateFlagsKHR;

/// Structure specifying parameters of a newly created Xlib surface object
#[cfg(feature = "VK_USE_PLATFORM_XLIB_KHR")]
#[repr(C)]
pub struct VkXlibSurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkXlibSurfaceCreateFlagsKHR,
    /// a pointer to an Xlib `Display` connection to the X server
    pub dpy: *mut Display,
    /// an Xlib `Window` to associate the surface with
    pub window: Window,
}

#[cfg(feature = "VK_USE_PLATFORM_XLIB_KHR")]
impl Default for VkXlibSurfaceCreateInfoKHR {
    fn default () -> VkXlibSurfaceCreateInfoKHR {
        return unsafe {
            VkXlibSurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_xcb_surface
// --------------------------

#[cfg(feature = "VK_USE_PLATFORM_XCB_KHR")]
pub const VK_KHR_XCB_SURFACE_SPEC_VERSION: VkEnum = 6;
#[cfg(feature = "VK_USE_PLATFORM_XCB_KHR")]
pub const VK_KHR_XCB_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_xcb_surface";

#[cfg(feature = "VK_USE_PLATFORM_XCB_KHR")]
pub use self::VkEnum as VkXcbSurfaceCreateFlagsKHR;

/// Structure specifying parameters of a newly created Xcb surface object
#[cfg(feature = "VK_USE_PLATFORM_XCB_KHR")]
#[repr(C)]
pub struct VkXcbSurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkXcbSurfaceCreateFlagsKHR,
    /// a pointer to an `xcb_connection_t` to the X server
    pub connection: *mut xcb_connection_t,
    /// the `xcb_window_t` for the X11 window to associate the surface with
    pub window: xcb_window_t,
}

#[cfg(feature = "VK_USE_PLATFORM_XCB_KHR")]
impl Default for VkXcbSurfaceCreateInfoKHR {
    fn default () -> VkXcbSurfaceCreateInfoKHR {
        return unsafe {
            VkXcbSurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_wayland_surface
// ------------------------------

#[cfg(feature = "VK_USE_PLATFORM_WAYLAND_KHR")]
pub const VK_KHR_WAYLAND_SURFACE_SPEC_VERSION: VkEnum = 6;
#[cfg(feature = "VK_USE_PLATFORM_WAYLAND_KHR")]
pub const VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_wayland_surface";

#[cfg(feature = "VK_USE_PLATFORM_WAYLAND_KHR")]
pub use self::VkEnum as VkWaylandSurfaceCreateFlagsKHR;

/// Structure specifying parameters of a newly created Wayland surface object
#[cfg(feature = "VK_USE_PLATFORM_WAYLAND_KHR")]
#[repr(C)]
pub struct VkWaylandSurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkWaylandSurfaceCreateFlagsKHR,
    pub display: *mut wl_display,
    pub surface: *mut wl_surface,
}

#[cfg(feature = "VK_USE_PLATFORM_WAYLAND_KHR")]
impl Default for VkWaylandSurfaceCreateInfoKHR {
    fn default () -> VkWaylandSurfaceCreateInfoKHR {
        return unsafe {
            VkWaylandSurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_mir_surface
// --------------------------

#[cfg(feature = "VK_USE_PLATFORM_MIR_KHR")]
pub const VK_KHR_MIR_SURFACE_SPEC_VERSION: VkEnum = 4;
#[cfg(feature = "VK_USE_PLATFORM_MIR_KHR")]
pub const VK_KHR_MIR_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_mir_surface";

#[cfg(feature = "VK_USE_PLATFORM_MIR_KHR")]
pub use self::VkEnum as VkMirSurfaceCreateFlagsKHR;

/// Structure specifying parameters of a newly created Mir surface object
#[cfg(feature = "VK_USE_PLATFORM_MIR_KHR")]
#[repr(C)]
pub struct VkMirSurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkMirSurfaceCreateFlagsKHR,
    pub connection: *mut MirConnection,
    pub mirSurface: *mut MirSurface,
}

#[cfg(feature = "VK_USE_PLATFORM_MIR_KHR")]
impl Default for VkMirSurfaceCreateInfoKHR {
    fn default () -> VkMirSurfaceCreateInfoKHR {
        return unsafe {
            VkMirSurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_MIR_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_android_surface
// ------------------------------

#[cfg(feature = "VK_USE_PLATFORM_ANDROID_KHR")]
pub const VK_KHR_ANDROID_SURFACE_SPEC_VERSION: VkEnum = 6;
#[cfg(feature = "VK_USE_PLATFORM_ANDROID_KHR")]
pub const VK_KHR_ANDROID_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_android_surface";

#[cfg(feature = "VK_USE_PLATFORM_ANDROID_KHR")]
pub use self::VkEnum as VkAndroidSurfaceCreateFlagsKHR;

/// Structure specifying parameters of a newly created Android surface object
#[cfg(feature = "VK_USE_PLATFORM_ANDROID_KHR")]
#[repr(C)]
pub struct VkAndroidSurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkAndroidSurfaceCreateFlagsKHR,
    /// a pointer to the `ANativeWindow` to associate the surface with
    pub window: *mut ANativeWindow,
}

#[cfg(feature = "VK_USE_PLATFORM_ANDROID_KHR")]
impl Default for VkAndroidSurfaceCreateInfoKHR {
    fn default () -> VkAndroidSurfaceCreateInfoKHR {
        return unsafe {
            VkAndroidSurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_win32_surface
// ----------------------------

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_KHR_WIN32_SURFACE_SPEC_VERSION: VkEnum = 5;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_KHR_WIN32_SURFACE_EXTENSION_NAME: &'static str = "VK_KHR_win32_surface";

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub use self::VkEnum as VkWin32SurfaceCreateFlagsKHR;

/// Structure specifying parameters of a newly created Win32 surface object
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
#[repr(C)]
pub struct VkWin32SurfaceCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkWin32SurfaceCreateFlagsKHR,
    pub hinstance: HINSTANCE,
    pub hwnd: HWND,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
impl Default for VkWin32SurfaceCreateInfoKHR {
    fn default () -> VkWin32SurfaceCreateInfoKHR {
        return unsafe {
            VkWin32SurfaceCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_sampler_mirror_clamp_to_edge
// -------------------------------------------

pub const VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_EXTENSION_NAME: &'static str = "VK_KHR_sampler_mirror_clamp_to_edge";


// feature VK_KHR_get_physical_device_properties2
// ----------------------------------------------

pub const VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME: &'static str = "VK_KHR_get_physical_device_properties2";

/// Structure describing the fine-grained features that can be supported by an implementation
#[repr(C)]
pub struct VkPhysicalDeviceFeatures2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkPhysicalDeviceFeatures` describing the fine-grained features of the Vulkan 1
    pub features: VkPhysicalDeviceFeatures,
}

impl Default for VkPhysicalDeviceFeatures2KHR {
    fn default () -> VkPhysicalDeviceFeatures2KHR {
        return unsafe {
            VkPhysicalDeviceFeatures2KHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying physical device properties
#[repr(C)]
pub struct VkPhysicalDeviceProperties2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkPhysicalDeviceProperties` describing the properties of the physical device
    pub properties: VkPhysicalDeviceProperties,
}

impl Default for VkPhysicalDeviceProperties2KHR {
    fn default () -> VkPhysicalDeviceProperties2KHR {
        return unsafe {
            VkPhysicalDeviceProperties2KHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying image format properties
#[repr(C)]
pub struct VkFormatProperties2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkFormatProperties` describing features supported by the requested format
    pub formatProperties: VkFormatProperties,
}

impl Default for VkFormatProperties2KHR {
    fn default () -> VkFormatProperties2KHR {
        return unsafe {
            VkFormatProperties2KHR {
                sType: VK_STRUCTURE_TYPE_FORMAT_PROPERTIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying a image format properties
#[repr(C)]
pub struct VkImageFormatProperties2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// an instance of a `VkImageFormatProperties` structure in which capabilities are returned
    pub imageFormatProperties: VkImageFormatProperties,
}

impl Default for VkImageFormatProperties2KHR {
    fn default () -> VkImageFormatProperties2KHR {
        return unsafe {
            VkImageFormatProperties2KHR {
                sType: VK_STRUCTURE_TYPE_IMAGE_FORMAT_PROPERTIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying image creation parameters
#[repr(C)]
pub struct VkPhysicalDeviceImageFormatInfo2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the image format, corresponding to `VkImageCreateInfo::pname:format`
    pub format: VkFormat,
    /// the image type, corresponding to `VkImageCreateInfo::pname:imageType`
    pub ptype: VkImageType,
    /// the image tiling, corresponding to `VkImageCreateInfo::pname:tiling`
    pub tiling: VkImageTiling,
    /// the intended usage of the image, corresponding to `VkImageCreateInfo::pname:usage`
    pub usage: VkImageUsageFlags,
    /// a bitmask describing additional parameters of the image, corresponding to `VkImageCreateInfo::pname:flags`
    pub flags: VkImageCreateFlags,
}

impl Default for VkPhysicalDeviceImageFormatInfo2KHR {
    fn default () -> VkPhysicalDeviceImageFormatInfo2KHR {
        return unsafe {
            VkPhysicalDeviceImageFormatInfo2KHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure providing information about a queue family
#[repr(C)]
pub struct VkQueueFamilyProperties2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkQueueFamilyProperties` which is populated with the same values as in `vkGetPhysicalDeviceQueueFamilyProperties`
    pub queueFamilyProperties: VkQueueFamilyProperties,
}

impl Default for VkQueueFamilyProperties2KHR {
    fn default () -> VkQueueFamilyProperties2KHR {
        return unsafe {
            VkQueueFamilyProperties2KHR {
                sType: VK_STRUCTURE_TYPE_QUEUE_FAMILY_PROPERTIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying physical device memory properties
#[repr(C)]
pub struct VkPhysicalDeviceMemoryProperties2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkPhysicalDeviceMemoryProperties` which is populated with the same values as in `vkGetPhysicalDeviceMemoryProperties`
    pub memoryProperties: VkPhysicalDeviceMemoryProperties,
}

impl Default for VkPhysicalDeviceMemoryProperties2KHR {
    fn default () -> VkPhysicalDeviceMemoryProperties2KHR {
        return unsafe {
            VkPhysicalDeviceMemoryProperties2KHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying sparse image format properties
#[repr(C)]
pub struct VkSparseImageFormatProperties2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkSparseImageFormatProperties` which is populated with the same values as in `vkGetPhysicalDeviceSparseImageFormatProperties`
    pub properties: VkSparseImageFormatProperties,
}

impl Default for VkSparseImageFormatProperties2KHR {
    fn default () -> VkSparseImageFormatProperties2KHR {
        return unsafe {
            VkSparseImageFormatProperties2KHR {
                sType: VK_STRUCTURE_TYPE_SPARSE_IMAGE_FORMAT_PROPERTIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying sparse image format inputs
#[repr(C)]
pub struct VkPhysicalDeviceSparseImageFormatInfo2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the image format
    pub format: VkFormat,
    /// the dimensionality of image
    pub ptype: VkImageType,
    /// the number of samples per pixel as defined in `VkSampleCountFlagBits`
    pub samples: VkSampleCountFlagBits,
    /// a bitmask describing the intended usage of the image
    pub usage: VkImageUsageFlags,
    /// the tiling arrangement of the data elements in memory
    pub tiling: VkImageTiling,
}

impl Default for VkPhysicalDeviceSparseImageFormatInfo2KHR {
    fn default () -> VkPhysicalDeviceSparseImageFormatInfo2KHR {
        return unsafe {
            VkPhysicalDeviceSparseImageFormatInfo2KHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SPARSE_IMAGE_FORMAT_INFO_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_shader_draw_parameters
// -------------------------------------

pub const VK_KHR_SHADER_DRAW_PARAMETERS_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_SHADER_DRAW_PARAMETERS_EXTENSION_NAME: &'static str = "VK_KHR_shader_draw_parameters";


// feature VK_KHR_maintenance1
// ---------------------------

pub const VK_KHR_MAINTENANCE1_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_MAINTENANCE1_EXTENSION_NAME: &'static str = "VK_KHR_maintenance1";

pub use self::VkEnum as VkCommandPoolTrimFlagsKHR;


// feature VK_KHR_push_descriptor
// ------------------------------

pub const VK_KHR_PUSH_DESCRIPTOR_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME: &'static str = "VK_KHR_push_descriptor";

/// Structure describing push descriptor limits that can be supported by an implementation
#[repr(C)]
pub struct VkPhysicalDevicePushDescriptorPropertiesKHR {
    pub sType: VkStructureType,
    pub pNext: *mut raw::c_void,
    pub maxPushDescriptors: u32,
}

impl Default for VkPhysicalDevicePushDescriptorPropertiesKHR {
    fn default () -> VkPhysicalDevicePushDescriptorPropertiesKHR {
        return unsafe {
            VkPhysicalDevicePushDescriptorPropertiesKHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PUSH_DESCRIPTOR_PROPERTIES_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_incremental_present
// ----------------------------------

pub const VK_KHR_INCREMENTAL_PRESENT_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_INCREMENTAL_PRESENT_EXTENSION_NAME: &'static str = "VK_KHR_incremental_present";

/// Structure containing a rectangle, including layer, changed by vkQueuePresentKHR for a given VkImage
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkRectLayerKHR {
    pub offset: VkOffset2D,
    pub extent: VkExtent2D,
    pub layer: u32,
}

impl Default for VkRectLayerKHR {
    fn default () -> VkRectLayerKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure containing rectangular region changed by vkQueuePresentKHR for a given VkImage
#[repr(C)]
pub struct VkPresentRegionKHR {
    /// the number of rectangles in `pRectangles,` or zero if the entire image has changed and should be presented
    pub rectangleCount: u32,
    /// either `NULL` or a pointer to an array of `VkRectLayerKHR` structures
    pub pRectangles: *const VkRectLayerKHR,
}

impl Default for VkPresentRegionKHR {
    fn default () -> VkPresentRegionKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure hint of rectangular regions changed by vkQueuePresentKHR
#[repr(C)]
pub struct VkPresentRegionsKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of swapchains being presented to by this command
    pub swapchainCount: u32,
    /// `NULL` or a pointer to an array of `VkPresentRegionKHR` elements with `swapchainCount` entries
    pub pRegions: *const VkPresentRegionKHR,
}

impl Default for VkPresentRegionsKHR {
    fn default () -> VkPresentRegionsKHR {
        return unsafe {
            VkPresentRegionsKHR {
                sType: VK_STRUCTURE_TYPE_PRESENT_REGIONS_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_descriptor_update_template
// -----------------------------------------

/// Opaque handle to a descriptor update template
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDescriptorUpdateTemplateKHR (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDescriptorUpdateTemplateKHR {
    fn null() -> VkDescriptorUpdateTemplateKHR {
        return VkDescriptorUpdateTemplateKHR(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDescriptorUpdateTemplateKHR {
    fn default() -> VkDescriptorUpdateTemplateKHR {
        return VkDescriptorUpdateTemplateKHR(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_KHR_DESCRIPTOR_UPDATE_TEMPLATE_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_DESCRIPTOR_UPDATE_TEMPLATE_EXTENSION_NAME: &'static str = "VK_KHR_descriptor_update_template";


/// Indicates the valid usage of the descriptor update template
pub type VkDescriptorUpdateTemplateTypeKHR = VkEnum;
/// Create descriptor update template for descriptor set updates
pub const VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR : VkDescriptorUpdateTemplateTypeKHR = 0;
/// Create descriptor update template for pushed descriptor updates
pub const VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_PUSH_DESCRIPTORS_KHR : VkDescriptorUpdateTemplateTypeKHR = 1;
pub const VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_BEGIN_RANGE_KHR : VkDescriptorUpdateTemplateTypeKHR = VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR;
pub const VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_END_RANGE_KHR : VkDescriptorUpdateTemplateTypeKHR = VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_PUSH_DESCRIPTORS_KHR;
pub const VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_RANGE_SIZE_KHR : VkDescriptorUpdateTemplateTypeKHR = (VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_PUSH_DESCRIPTORS_KHR as i32 - VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET_KHR as i32 + 1i32) as u32;
pub const VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_MAX_ENUM_KHR : VkDescriptorUpdateTemplateTypeKHR = 0x7FFFFFFF;

pub use self::VkEnum as VkDescriptorUpdateTemplateCreateFlagsKHR;

/// Describes a single descriptor update of the descriptor update template
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkDescriptorUpdateTemplateEntryKHR {
    /// the descriptor binding to update when using this descriptor update template
    pub dstBinding: u32,
    /// the starting element in the array belonging to `dstBinding`
    pub dstArrayElement: u32,
    /// the number of descriptors to update
    pub descriptorCount: u32,
    /// a `VkDescriptorType` specifying the type of the descriptor
    pub descriptorType: VkDescriptorType,
    /// the offset in bytes of the first binding in the raw data structure
    pub offset: usize,
    /// the stride in bytes between two consecutive array elements of the descriptor update informations in the raw data structure
    pub stride: usize,
}

impl Default for VkDescriptorUpdateTemplateEntryKHR {
    fn default () -> VkDescriptorUpdateTemplateEntryKHR {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created descriptor update template
#[repr(C)]
pub struct VkDescriptorUpdateTemplateCreateInfoKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// reserved for future use
    pub flags: VkDescriptorUpdateTemplateCreateFlagsKHR,
    /// the number of elements in the `pDescriptorUpdateEntries` array
    pub descriptorUpdateEntryCount: u32,
    /// a pointer to an array of `VkDescriptorUpdateTemplateEntryKHR` structures describing the descriptors to be updated by the descriptor update template
    pub pDescriptorUpdateEntries: *const VkDescriptorUpdateTemplateEntryKHR,
    pub templateType: VkDescriptorUpdateTemplateTypeKHR,
    /// the descriptor set layout the parameter update template will be used with
    pub descriptorSetLayout: VkDescriptorSetLayout,
    /// reserved for future use
    pub pipelineBindPoint: VkPipelineBindPoint,
    /// reserved for future use
    pub pipelineLayout: VkPipelineLayout,
    /// reserved for future use
    pub set: u32,
}

impl Default for VkDescriptorUpdateTemplateCreateInfoKHR {
    fn default () -> VkDescriptorUpdateTemplateCreateInfoKHR {
        return unsafe {
            VkDescriptorUpdateTemplateCreateInfoKHR {
                sType: VK_STRUCTURE_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_CREATE_INFO_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_shared_presentable_image
// ---------------------------------------

pub const VK_KHR_SHARED_PRESENTABLE_IMAGE_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_SHARED_PRESENTABLE_IMAGE_EXTENSION_NAME: &'static str = "VK_KHR_shared_presentable_image";

/// structure describing capabilities of a surface for shared presentation
#[repr(C)]
pub struct VkSharedPresentSurfaceCapabilitiesKHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a bitmask of `VkImageUsageFlagBits` representing the ways the application can: use the shared presentable image from a swapchain created with `VkPresentModeKHR` set to `VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR` or `VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR` for the surface on the specified device
    pub sharedPresentSupportedUsageFlags: VkImageUsageFlags,
}

impl Default for VkSharedPresentSurfaceCapabilitiesKHR {
    fn default () -> VkSharedPresentSurfaceCapabilitiesKHR {
        return unsafe {
            VkSharedPresentSurfaceCapabilitiesKHR {
                sType: VK_STRUCTURE_TYPE_SHARED_PRESENT_SURFACE_CAPABILITIES_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHR_get_surface_capabilities2
// ----------------------------------------

pub const VK_KHR_GET_SURFACE_CAPABILITIES_2_SPEC_VERSION: VkEnum = 1;
pub const VK_KHR_GET_SURFACE_CAPABILITIES_2_EXTENSION_NAME: &'static str = "VK_KHR_get_surface_capabilities2";

#[repr(C)]
pub struct VkPhysicalDeviceSurfaceInfo2KHR {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub surface: VkSurfaceKHR,
}

impl Default for VkPhysicalDeviceSurfaceInfo2KHR {
    fn default () -> VkPhysicalDeviceSurfaceInfo2KHR {
        return unsafe {
            VkPhysicalDeviceSurfaceInfo2KHR {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SURFACE_INFO_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing capabilities of a surface
#[repr(C)]
pub struct VkSurfaceCapabilities2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a structure of type `VkSurfaceCapabilitiesKHR` describing the capabilities of the specified surface
    pub surfaceCapabilities: VkSurfaceCapabilitiesKHR,
}

impl Default for VkSurfaceCapabilities2KHR {
    fn default () -> VkSurfaceCapabilities2KHR {
        return unsafe {
            VkSurfaceCapabilities2KHR {
                sType: VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing a supported swapchain format tuple
#[repr(C)]
pub struct VkSurfaceFormat2KHR {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// an instance of `VkSurfaceFormatKHR` describing a format-color space pair that is compatible with the specified surface
    pub surfaceFormat: VkSurfaceFormatKHR,
}

impl Default for VkSurfaceFormat2KHR {
    fn default () -> VkSurfaceFormat2KHR {
        return unsafe {
            VkSurfaceFormat2KHR {
                sType: VK_STRUCTURE_TYPE_SURFACE_FORMAT_2_KHR,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_debug_report
// ---------------------------

/// Opaque handle to a debug report callback object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkDebugReportCallbackEXT (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkDebugReportCallbackEXT {
    fn null() -> VkDebugReportCallbackEXT {
        return VkDebugReportCallbackEXT(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkDebugReportCallbackEXT {
    fn default() -> VkDebugReportCallbackEXT {
        return VkDebugReportCallbackEXT(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_EXT_DEBUG_REPORT_SPEC_VERSION: VkEnum = 8;
pub const VK_EXT_DEBUG_REPORT_EXTENSION_NAME: &'static str = "VK_EXT_debug_report";
pub const VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT: VkEnum = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DEBUG_REPORT_EXT: VkEnum = VK_DEBUG_REPORT_OBJECT_TYPE_DEBUG_REPORT_CALLBACK_EXT_EXT;


/// Specify the type of an object handle
pub type VkDebugReportObjectTypeEXT = VkEnum;
/// an unknown object
pub const VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT : VkDebugReportObjectTypeEXT = 0;
/// a `VkInstance`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_INSTANCE_EXT : VkDebugReportObjectTypeEXT = 1;
/// a `VkPhysicalDevice`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT : VkDebugReportObjectTypeEXT = 2;
/// a `VkDevice`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_EXT : VkDebugReportObjectTypeEXT = 3;
/// a `VkQueue`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_QUEUE_EXT : VkDebugReportObjectTypeEXT = 4;
/// a `VkSemaphore`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_SEMAPHORE_EXT : VkDebugReportObjectTypeEXT = 5;
/// a `VkCommandBuffer`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT : VkDebugReportObjectTypeEXT = 6;
/// a `VkFence`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_FENCE_EXT : VkDebugReportObjectTypeEXT = 7;
/// a `VkDeviceMemory`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT : VkDebugReportObjectTypeEXT = 8;
/// a `VkBuffer`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT : VkDebugReportObjectTypeEXT = 9;
/// a `VkImage`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT : VkDebugReportObjectTypeEXT = 10;
/// a `VkEvent`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_EVENT_EXT : VkDebugReportObjectTypeEXT = 11;
/// a `VkQueryPool`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_QUERY_POOL_EXT : VkDebugReportObjectTypeEXT = 12;
/// a `VkBufferView`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_VIEW_EXT : VkDebugReportObjectTypeEXT = 13;
/// a `VkImageView`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_VIEW_EXT : VkDebugReportObjectTypeEXT = 14;
/// a `VkShaderModule`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_SHADER_MODULE_EXT : VkDebugReportObjectTypeEXT = 15;
/// a `VkPipelineCache`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_CACHE_EXT : VkDebugReportObjectTypeEXT = 16;
/// a `VkPipelineLayout`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_LAYOUT_EXT : VkDebugReportObjectTypeEXT = 17;
/// a `VkRenderPass`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_RENDER_PASS_EXT : VkDebugReportObjectTypeEXT = 18;
/// a `VkPipeline`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_PIPELINE_EXT : VkDebugReportObjectTypeEXT = 19;
/// a `VkDescriptorSetLayout`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_LAYOUT_EXT : VkDebugReportObjectTypeEXT = 20;
/// a `VkSampler`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_SAMPLER_EXT : VkDebugReportObjectTypeEXT = 21;
/// a `VkDescriptorPool`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_POOL_EXT : VkDebugReportObjectTypeEXT = 22;
/// a `VkDescriptorSet`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_SET_EXT : VkDebugReportObjectTypeEXT = 23;
/// a `VkFramebuffer`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_FRAMEBUFFER_EXT : VkDebugReportObjectTypeEXT = 24;
/// a `VkCommandPool`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_POOL_EXT : VkDebugReportObjectTypeEXT = 25;
/// a `VkSurfaceKHR`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_SURFACE_KHR_EXT : VkDebugReportObjectTypeEXT = 26;
/// a `VkSwapchainKHR`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_SWAPCHAIN_KHR_EXT : VkDebugReportObjectTypeEXT = 27;
/// a `VkDebugReportCallbackEXT`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DEBUG_REPORT_CALLBACK_EXT_EXT : VkDebugReportObjectTypeEXT = 28;
/// a `VkDisplayKHR`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DISPLAY_KHR_EXT : VkDebugReportObjectTypeEXT = 29;
/// a `VkDisplayModeKHR`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DISPLAY_MODE_KHR_EXT : VkDebugReportObjectTypeEXT = 30;
/// a `VkObjectTableNVX`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_OBJECT_TABLE_NVX_EXT : VkDebugReportObjectTypeEXT = 31;
/// a `VkIndirectCommandsLayoutNVX`
pub const VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT : VkDebugReportObjectTypeEXT = 32;
pub const VK_DEBUG_REPORT_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE_KHR_EXT : VkDebugReportObjectTypeEXT = 1000085000;
pub const VK_DEBUG_REPORT_OBJECT_TYPE_BEGIN_RANGE_EXT : VkDebugReportObjectTypeEXT = VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT;
pub const VK_DEBUG_REPORT_OBJECT_TYPE_END_RANGE_EXT : VkDebugReportObjectTypeEXT = VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT;
pub const VK_DEBUG_REPORT_OBJECT_TYPE_RANGE_SIZE_EXT : VkDebugReportObjectTypeEXT = (VK_DEBUG_REPORT_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NVX_EXT as i32 - VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT as i32 + 1i32) as u32;
pub const VK_DEBUG_REPORT_OBJECT_TYPE_MAX_ENUM_EXT : VkDebugReportObjectTypeEXT = 0x7FFFFFFF;


/// Bitmask specifying events which cause a debug report callback
pub type VkDebugReportFlagBitsEXT = VkEnum;
pub const VK_DEBUG_REPORT_INFORMATION_BIT_EXT : VkDebugReportFlagBitsEXT = 0x00000001;
pub const VK_DEBUG_REPORT_WARNING_BIT_EXT : VkDebugReportFlagBitsEXT = 0x00000002;
pub const VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT : VkDebugReportFlagBitsEXT = 0x00000004;
pub const VK_DEBUG_REPORT_ERROR_BIT_EXT : VkDebugReportFlagBitsEXT = 0x00000008;
pub const VK_DEBUG_REPORT_DEBUG_BIT_EXT : VkDebugReportFlagBitsEXT = 0x00000010;
pub const VK_DEBUG_REPORT_FLAG_BITS_MAX_ENUM_EXT : VkDebugReportFlagBitsEXT = 0x7FFFFFFF;
pub use self::VkDebugReportFlagBitsEXT as VkDebugReportFlagsEXT;

/// Application-defined debug report callback function
pub type PFN_vkDebugReportCallbackEXT = extern fn ();


/// Structure specifying parameters of a newly created debug report callback
#[repr(C)]
pub struct VkDebugReportCallbackCreateInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub flags: VkDebugReportFlagsEXT,
    pub pfnCallback: PFN_vkDebugReportCallbackEXT,
    pub pUserData: *mut raw::c_void,
}

impl Default for VkDebugReportCallbackCreateInfoEXT {
    fn default () -> VkDebugReportCallbackCreateInfoEXT {
        return unsafe {
            VkDebugReportCallbackCreateInfoEXT {
                sType: VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NV_glsl_shader
// -------------------------

pub const VK_NV_GLSL_SHADER_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_GLSL_SHADER_EXTENSION_NAME: &'static str = "VK_NV_glsl_shader";


// feature VK_IMG_filter_cubic
// ---------------------------

pub const VK_IMG_FILTER_CUBIC_SPEC_VERSION: VkEnum = 1;
pub const VK_IMG_FILTER_CUBIC_EXTENSION_NAME: &'static str = "VK_IMG_filter_cubic";


// feature VK_AMD_rasterization_order
// ----------------------------------

pub const VK_AMD_RASTERIZATION_ORDER_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_RASTERIZATION_ORDER_EXTENSION_NAME: &'static str = "VK_AMD_rasterization_order";


pub type VkRasterizationOrderAMD = VkEnum;
pub const VK_RASTERIZATION_ORDER_STRICT_AMD : VkRasterizationOrderAMD = 0;
pub const VK_RASTERIZATION_ORDER_RELAXED_AMD : VkRasterizationOrderAMD = 1;
pub const VK_RASTERIZATION_ORDER_BEGIN_RANGE_AMD : VkRasterizationOrderAMD = VK_RASTERIZATION_ORDER_STRICT_AMD;
pub const VK_RASTERIZATION_ORDER_END_RANGE_AMD : VkRasterizationOrderAMD = VK_RASTERIZATION_ORDER_RELAXED_AMD;
pub const VK_RASTERIZATION_ORDER_RANGE_SIZE_AMD : VkRasterizationOrderAMD = (VK_RASTERIZATION_ORDER_RELAXED_AMD as i32 - VK_RASTERIZATION_ORDER_STRICT_AMD as i32 + 1i32) as u32;
pub const VK_RASTERIZATION_ORDER_MAX_ENUM_AMD : VkRasterizationOrderAMD = 0x7FFFFFFF;

#[repr(C)]
pub struct VkPipelineRasterizationStateRasterizationOrderAMD {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub rasterizationOrder: VkRasterizationOrderAMD,
}

impl Default for VkPipelineRasterizationStateRasterizationOrderAMD {
    fn default () -> VkPipelineRasterizationStateRasterizationOrderAMD {
        return unsafe {
            VkPipelineRasterizationStateRasterizationOrderAMD {
                sType: VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_RASTERIZATION_ORDER_AMD,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_AMD_shader_trinary_minmax
// ------------------------------------

pub const VK_AMD_SHADER_TRINARY_MINMAX_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_SHADER_TRINARY_MINMAX_EXTENSION_NAME: &'static str = "VK_AMD_shader_trinary_minmax";


// feature VK_AMD_shader_explicit_vertex_parameter
// -----------------------------------------------

pub const VK_AMD_SHADER_EXPLICIT_VERTEX_PARAMETER_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_SHADER_EXPLICIT_VERTEX_PARAMETER_EXTENSION_NAME: &'static str = "VK_AMD_shader_explicit_vertex_parameter";


// feature VK_EXT_debug_marker
// ---------------------------

pub const VK_EXT_DEBUG_MARKER_SPEC_VERSION: VkEnum = 4;
pub const VK_EXT_DEBUG_MARKER_EXTENSION_NAME: &'static str = "VK_EXT_debug_marker";

/// Specify parameters of a name to give to an object
#[repr(C)]
pub struct VkDebugMarkerObjectNameInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a `VkDebugReportObjectTypeEXT` specifying the type of the object to be named
    pub objectType: VkDebugReportObjectTypeEXT,
    /// the object to be named
    pub object: u64,
    /// a null-terminated UTF-8 string specifying the name to apply to `object`
    pub pObjectName: *const raw::c_char,
}

impl Default for VkDebugMarkerObjectNameInfoEXT {
    fn default () -> VkDebugMarkerObjectNameInfoEXT {
        return unsafe {
            VkDebugMarkerObjectNameInfoEXT {
                sType: VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_NAME_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify parameters of a tag to attach to an object
#[repr(C)]
pub struct VkDebugMarkerObjectTagInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a `VkDebugReportObjectTypeEXT` specifying the type of the object to be named
    pub objectType: VkDebugReportObjectTypeEXT,
    /// the object to be tagged
    pub object: u64,
    /// a numerical identifier of the tag
    pub tagName: u64,
    /// the number of bytes of data to attach to the object
    pub tagSize: usize,
    /// an array of `tagSize` bytes containing the data to be associated with the object
    pub pTag: *const raw::c_void,
}

impl Default for VkDebugMarkerObjectTagInfoEXT {
    fn default () -> VkDebugMarkerObjectTagInfoEXT {
        return unsafe {
            VkDebugMarkerObjectTagInfoEXT {
                sType: VK_STRUCTURE_TYPE_DEBUG_MARKER_OBJECT_TAG_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify parameters of a command buffer marker region
#[repr(C)]
pub struct VkDebugMarkerMarkerInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a pointer to a null-terminated UTF-8 string that contains the name of the marker
    pub pMarkerName: *const raw::c_char,
    /// an optional RGBA color value that can be associated with the marker
    pub color: [f32;4],
}

impl Default for VkDebugMarkerMarkerInfoEXT {
    fn default () -> VkDebugMarkerMarkerInfoEXT {
        return unsafe {
            VkDebugMarkerMarkerInfoEXT {
                sType: VK_STRUCTURE_TYPE_DEBUG_MARKER_MARKER_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_AMD_gcn_shader
// -------------------------

pub const VK_AMD_GCN_SHADER_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_GCN_SHADER_EXTENSION_NAME: &'static str = "VK_AMD_gcn_shader";


// feature VK_NV_dedicated_allocation
// ----------------------------------

pub const VK_NV_DEDICATED_ALLOCATION_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_DEDICATED_ALLOCATION_EXTENSION_NAME: &'static str = "VK_NV_dedicated_allocation";

/// Specify that an image is bound to a dedicated memory resource
#[repr(C)]
pub struct VkDedicatedAllocationImageCreateInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub dedicatedAllocation: VkBool32,
}

impl Default for VkDedicatedAllocationImageCreateInfoNV {
    fn default () -> VkDedicatedAllocationImageCreateInfoNV {
        return unsafe {
            VkDedicatedAllocationImageCreateInfoNV {
                sType: VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_IMAGE_CREATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify that a buffer is bound to a dedicated memory resource
#[repr(C)]
pub struct VkDedicatedAllocationBufferCreateInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub dedicatedAllocation: VkBool32,
}

impl Default for VkDedicatedAllocationBufferCreateInfoNV {
    fn default () -> VkDedicatedAllocationBufferCreateInfoNV {
        return unsafe {
            VkDedicatedAllocationBufferCreateInfoNV {
                sType: VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_BUFFER_CREATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify a dedicated memory allocation resource
#[repr(C)]
pub struct VkDedicatedAllocationMemoryAllocateInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// `VK_NULL_HANDLE` or a handle of an image which this memory will be bound to
    pub image: VkImage,
    /// `VK_NULL_HANDLE` or a handle of a buffer which this memory will be bound to
    pub buffer: VkBuffer,
}

impl Default for VkDedicatedAllocationMemoryAllocateInfoNV {
    fn default () -> VkDedicatedAllocationMemoryAllocateInfoNV {
        return unsafe {
            VkDedicatedAllocationMemoryAllocateInfoNV {
                sType: VK_STRUCTURE_TYPE_DEDICATED_ALLOCATION_MEMORY_ALLOCATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_AMD_draw_indirect_count
// ----------------------------------

pub const VK_AMD_DRAW_INDIRECT_COUNT_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_DRAW_INDIRECT_COUNT_EXTENSION_NAME: &'static str = "VK_AMD_draw_indirect_count";


// feature VK_AMD_negative_viewport_height
// ---------------------------------------

pub const VK_AMD_NEGATIVE_VIEWPORT_HEIGHT_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_NEGATIVE_VIEWPORT_HEIGHT_EXTENSION_NAME: &'static str = "VK_AMD_negative_viewport_height";


// feature VK_AMD_gpu_shader_half_float
// ------------------------------------

pub const VK_AMD_GPU_SHADER_HALF_FLOAT_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_GPU_SHADER_HALF_FLOAT_EXTENSION_NAME: &'static str = "VK_AMD_gpu_shader_half_float";


// feature VK_AMD_shader_ballot
// ----------------------------

pub const VK_AMD_SHADER_BALLOT_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_SHADER_BALLOT_EXTENSION_NAME: &'static str = "VK_AMD_shader_ballot";


// feature VK_AMD_texture_gather_bias_lod
// --------------------------------------

pub const VK_AMD_TEXTURE_GATHER_BIAS_LOD_SPEC_VERSION: VkEnum = 1;
pub const VK_AMD_TEXTURE_GATHER_BIAS_LOD_EXTENSION_NAME: &'static str = "VK_AMD_texture_gather_bias_lod";

/// Structure informing whether or not texture gather bias/LOD functionality is supported for a given image format and a given physical device.
#[repr(C)]
pub struct VkTextureLODGatherFormatPropertiesAMD {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL`
    pub pNext: *mut raw::c_void,
    pub supportsTextureGatherLODBiasAMD: VkBool32,
}

impl Default for VkTextureLODGatherFormatPropertiesAMD {
    fn default () -> VkTextureLODGatherFormatPropertiesAMD {
        return unsafe {
            VkTextureLODGatherFormatPropertiesAMD {
                sType: VK_STRUCTURE_TYPE_TEXTURE_LOD_GATHER_FORMAT_PROPERTIES_AMD,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_multiview
// ------------------------

pub const VK_KHX_MULTIVIEW_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_MULTIVIEW_EXTENSION_NAME: &'static str = "VK_KHX_multiview";

/// Structure containing multiview info for all subpasses
#[repr(C)]
pub struct VkRenderPassMultiviewCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// zero or is the number of subpasses in the render pass
    pub subpassCount: u32,
    pub pViewMasks: *const u32,
    /// zero or the number of dependencies in the render pass
    pub dependencyCount: u32,
    pub pViewOffsets: *const i32,
    /// zero or a number of correlation masks
    pub correlationMaskCount: u32,
    /// an array of view masks indicating sets of views that may: be more efficient to render concurrently
    pub pCorrelationMasks: *const u32,
}

impl Default for VkRenderPassMultiviewCreateInfoKHX {
    fn default () -> VkRenderPassMultiviewCreateInfoKHX {
        return unsafe {
            VkRenderPassMultiviewCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing multiview features that can be supported by an implementation
#[repr(C)]
pub struct VkPhysicalDeviceMultiviewFeaturesKHX {
    pub sType: VkStructureType,
    pub pNext: *mut raw::c_void,
    pub multiview: VkBool32,
    pub multiviewGeometryShader: VkBool32,
    pub multiviewTessellationShader: VkBool32,
}

impl Default for VkPhysicalDeviceMultiviewFeaturesKHX {
    fn default () -> VkPhysicalDeviceMultiviewFeaturesKHX {
        return unsafe {
            VkPhysicalDeviceMultiviewFeaturesKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_FEATURES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing multiview limits that can be supported by an implementation
#[repr(C)]
pub struct VkPhysicalDeviceMultiviewPropertiesKHX {
    pub sType: VkStructureType,
    pub pNext: *mut raw::c_void,
    pub maxMultiviewViewCount: u32,
    pub maxMultiviewInstanceIndex: u32,
}

impl Default for VkPhysicalDeviceMultiviewPropertiesKHX {
    fn default () -> VkPhysicalDeviceMultiviewPropertiesKHX {
        return unsafe {
            VkPhysicalDeviceMultiviewPropertiesKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_IMG_format_pvrtc
// ---------------------------

pub const VK_IMG_FORMAT_PVRTC_SPEC_VERSION: VkEnum = 1;
pub const VK_IMG_FORMAT_PVRTC_EXTENSION_NAME: &'static str = "VK_IMG_format_pvrtc";


// feature VK_NV_external_memory_capabilities
// ------------------------------------------

pub const VK_NV_EXTERNAL_MEMORY_CAPABILITIES_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME: &'static str = "VK_NV_external_memory_capabilities";


/// Bitmask specifying external memory handle types
pub type VkExternalMemoryHandleTypeFlagBitsNV = VkEnum;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_BIT_NV : VkExternalMemoryHandleTypeFlagBitsNV = 0x00000001;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT_NV : VkExternalMemoryHandleTypeFlagBitsNV = 0x00000002;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_D3D11_IMAGE_BIT_NV : VkExternalMemoryHandleTypeFlagBitsNV = 0x00000004;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_D3D11_IMAGE_KMT_BIT_NV : VkExternalMemoryHandleTypeFlagBitsNV = 0x00000008;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_FLAG_BITS_MAX_ENUM_NV : VkExternalMemoryHandleTypeFlagBitsNV = 0x7FFFFFFF;
pub use self::VkExternalMemoryHandleTypeFlagBitsNV as VkExternalMemoryHandleTypeFlagsNV;

/// Bitmask specifying external memory features
pub type VkExternalMemoryFeatureFlagBitsNV = VkEnum;
/// External memory of the specified type must: be created as a dedicated allocation when used in the manner specified
pub const VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT_NV : VkExternalMemoryFeatureFlagBitsNV = 0x00000001;
/// The implementation supports exporting handles of the specified type
pub const VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT_NV : VkExternalMemoryFeatureFlagBitsNV = 0x00000002;
/// The implementation supports importing handles of the specified type
pub const VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT_NV : VkExternalMemoryFeatureFlagBitsNV = 0x00000004;
pub const VK_EXTERNAL_MEMORY_FEATURE_FLAG_BITS_MAX_ENUM_NV : VkExternalMemoryFeatureFlagBitsNV = 0x7FFFFFFF;
pub use self::VkExternalMemoryFeatureFlagBitsNV as VkExternalMemoryFeatureFlagsNV;

/// Structure specifying external image format properties
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkExternalImageFormatPropertiesNV {
    pub imageFormatProperties: VkImageFormatProperties,
    /// a bitmask of `VkExternalMemoryFeatureFlagBitsNV` indicating properties of the external memory handle type
    pub externalMemoryFeatures: VkExternalMemoryFeatureFlagsNV,
    /// a bitmask of `VkExternalMemoryHandleTypeFlagBitsNV` containing a bit set for every external handle type that may: be used to create memory from which the handles of the type specified in `vkGetPhysicalDeviceExternalImageFormatPropertiesNV::pname:externalHandleType` can: be exported, or 0 if the external memory handle type is 0
    pub exportFromImportedHandleTypes: VkExternalMemoryHandleTypeFlagsNV,
    /// a bitmask of `VkExternalMemoryHandleTypeFlagBitsNV` containing a bit set for every external handle type that may: be specified simultaneously with the handle type specified by `vkGetPhysicalDeviceExternalImageFormatPropertiesNV::pname:externalHandleType` when calling `vkAllocateMemory,` or 0 if the external memory handle type is 0
    pub compatibleHandleTypes: VkExternalMemoryHandleTypeFlagsNV,
}

impl Default for VkExternalImageFormatPropertiesNV {
    fn default () -> VkExternalImageFormatPropertiesNV {
        return unsafe { ::std::mem::zeroed() };
    }
}



// feature VK_NV_external_memory
// -----------------------------

pub const VK_NV_EXTERNAL_MEMORY_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_EXTERNAL_MEMORY_EXTENSION_NAME: &'static str = "VK_NV_external_memory";

/// Specify that an image may be backed by external memory
#[repr(C)]
pub struct VkExternalMemoryImageCreateInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask of `VkExternalMemoryHandleTypeFlagBitsNV` specifying one or more external memory handle types
    pub handleTypes: VkExternalMemoryHandleTypeFlagsNV,
}

impl Default for VkExternalMemoryImageCreateInfoNV {
    fn default () -> VkExternalMemoryImageCreateInfoNV {
        return unsafe {
            VkExternalMemoryImageCreateInfoNV {
                sType: VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}

#[repr(C)]
pub struct VkExportMemoryAllocateInfoNV {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub handleTypes: VkExternalMemoryHandleTypeFlagsNV,
}

impl Default for VkExportMemoryAllocateInfoNV {
    fn default () -> VkExportMemoryAllocateInfoNV {
        return unsafe {
            VkExportMemoryAllocateInfoNV {
                sType: VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NV_external_memory_win32
// -----------------------------------

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_NV_EXTERNAL_MEMORY_WIN32_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_NV_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME: &'static str = "VK_NV_external_memory_win32";

/// import Win32 memory created on the same physical device
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
#[repr(C)]
pub struct VkImportMemoryWin32HandleInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// `0` or a bit specifying the type of memory handle in `handle`
    pub handleType: VkExternalMemoryHandleTypeFlagsNV,
    /// a Windows `HANDLE` referring to the memory
    pub handle: HANDLE,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
impl Default for VkImportMemoryWin32HandleInfoNV {
    fn default () -> VkImportMemoryWin32HandleInfoNV {
        return unsafe {
            VkImportMemoryWin32HandleInfoNV {
                sType: VK_STRUCTURE_TYPE_IMPORT_MEMORY_WIN32_HANDLE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// specify security attributes and access rights for Win32 memory handles
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
#[repr(C)]
pub struct VkExportMemoryWin32HandleInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a pointer to a Windows `SECURITY_ATTRIBUTES` structure specifying security attributes of the handle
    pub pAttributes: *const SECURITY_ATTRIBUTES,
    /// a `DWORD` specifying access rights of the handle
    pub dwAccess: DWORD,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
impl Default for VkExportMemoryWin32HandleInfoNV {
    fn default () -> VkExportMemoryWin32HandleInfoNV {
        return unsafe {
            VkExportMemoryWin32HandleInfoNV {
                sType: VK_STRUCTURE_TYPE_EXPORT_MEMORY_WIN32_HANDLE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NV_win32_keyed_mutex
// -------------------------------

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_NV_WIN32_KEYED_MUTEX_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_NV_WIN32_KEYED_MUTEX_EXTENSION_NAME: &'static str = "VK_NV_win32_keyed_mutex";

/// use Windows keyex mutex mechanism to synchronize work
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
#[repr(C)]
pub struct VkWin32KeyedMutexAcquireReleaseInfoNV {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub acquireCount: u32,
    pub pAcquireSyncs: *const VkDeviceMemory,
    pub pAcquireKeys: *const u64,
    pub pAcquireTimeoutMilliseconds: *const u32,
    pub releaseCount: u32,
    pub pReleaseSyncs: *const VkDeviceMemory,
    pub pReleaseKeys: *const u64,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
impl Default for VkWin32KeyedMutexAcquireReleaseInfoNV {
    fn default () -> VkWin32KeyedMutexAcquireReleaseInfoNV {
        return unsafe {
            VkWin32KeyedMutexAcquireReleaseInfoNV {
                sType: VK_STRUCTURE_TYPE_WIN32_KEYED_MUTEX_ACQUIRE_RELEASE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_device_group
// ---------------------------

pub const VK_MAX_DEVICE_GROUP_SIZE_KHX: VkEnum = 32;
pub const VK_KHX_DEVICE_GROUP_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_DEVICE_GROUP_EXTENSION_NAME: &'static str = "VK_KHX_device_group";


/// Bitmask specifying supported peer memory features
pub type VkPeerMemoryFeatureFlagBitsKHX = VkEnum;
/// Can read with vkCmdCopy commands
pub const VK_PEER_MEMORY_FEATURE_COPY_SRC_BIT_KHX : VkPeerMemoryFeatureFlagBitsKHX = 0x00000001;
/// Can write with vkCmdCopy commands
pub const VK_PEER_MEMORY_FEATURE_COPY_DST_BIT_KHX : VkPeerMemoryFeatureFlagBitsKHX = 0x00000002;
/// Can read with any access type/command
pub const VK_PEER_MEMORY_FEATURE_GENERIC_SRC_BIT_KHX : VkPeerMemoryFeatureFlagBitsKHX = 0x00000004;
/// Can write with and access type/command
pub const VK_PEER_MEMORY_FEATURE_GENERIC_DST_BIT_KHX : VkPeerMemoryFeatureFlagBitsKHX = 0x00000008;
pub const VK_PEER_MEMORY_FEATURE_FLAG_BITS_MAX_ENUM_KHX : VkPeerMemoryFeatureFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkPeerMemoryFeatureFlagBitsKHX as VkPeerMemoryFeatureFlagsKHX;

/// Bitmask specifying flags for a device memory allocation
pub type VkMemoryAllocateFlagBitsKHX = VkEnum;
/// Force allocation on specific devices
pub const VK_MEMORY_ALLOCATE_DEVICE_MASK_BIT_KHX : VkMemoryAllocateFlagBitsKHX = 0x00000001;
pub const VK_MEMORY_ALLOCATE_FLAG_BITS_MAX_ENUM_KHX : VkMemoryAllocateFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkMemoryAllocateFlagBitsKHX as VkMemoryAllocateFlagsKHX;

/// Bitmask specifying supported device group present modes
pub type VkDeviceGroupPresentModeFlagBitsKHX = VkEnum;
/// Present from local memory
pub const VK_DEVICE_GROUP_PRESENT_MODE_LOCAL_BIT_KHX : VkDeviceGroupPresentModeFlagBitsKHX = 0x00000001;
/// Present from remote memory
pub const VK_DEVICE_GROUP_PRESENT_MODE_REMOTE_BIT_KHX : VkDeviceGroupPresentModeFlagBitsKHX = 0x00000002;
/// Present sum of local and/or remote memory
pub const VK_DEVICE_GROUP_PRESENT_MODE_SUM_BIT_KHX : VkDeviceGroupPresentModeFlagBitsKHX = 0x00000004;
/// Each physical device presents from local memory
pub const VK_DEVICE_GROUP_PRESENT_MODE_LOCAL_MULTI_DEVICE_BIT_KHX : VkDeviceGroupPresentModeFlagBitsKHX = 0x00000008;
pub const VK_DEVICE_GROUP_PRESENT_MODE_FLAG_BITS_MAX_ENUM_KHX : VkDeviceGroupPresentModeFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkDeviceGroupPresentModeFlagBitsKHX as VkDeviceGroupPresentModeFlagsKHX;

#[repr(C)]
pub struct VkMemoryAllocateFlagsInfoKHX {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub flags: VkMemoryAllocateFlagsKHX,
    pub deviceMask: u32,
}

impl Default for VkMemoryAllocateFlagsInfoKHX {
    fn default () -> VkMemoryAllocateFlagsInfoKHX {
        return unsafe {
            VkMemoryAllocateFlagsInfoKHX {
                sType: VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying how to bind a buffer to memory
#[repr(C)]
pub struct VkBindBufferMemoryInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the buffer to be attached to memory
    pub buffer: VkBuffer,
    /// a `VkDeviceMemory` object describing the device memory to attach
    pub memory: VkDeviceMemory,
    /// the start offset of the region of `memory` which is to be bound to the buffer
    pub memoryOffset: VkDeviceSize,
    /// the number of elements in `pDeviceIndices`
    pub deviceIndexCount: u32,
    /// a pointer to an array of device indices
    pub pDeviceIndices: *const u32,
}

impl Default for VkBindBufferMemoryInfoKHX {
    fn default () -> VkBindBufferMemoryInfoKHX {
        return unsafe {
            VkBindBufferMemoryInfoKHX {
                sType: VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying how to bind an image to memory
#[repr(C)]
pub struct VkBindImageMemoryInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the image to be attached to memory
    pub image: VkImage,
    /// a `VkDeviceMemory` object describing the device memory to attach
    pub memory: VkDeviceMemory,
    /// the start offset of the region of `memory` which is to be bound to the image
    pub memoryOffset: VkDeviceSize,
    /// the number of elements in `pDeviceIndices`
    pub deviceIndexCount: u32,
    /// a pointer to an array of device indices
    pub pDeviceIndices: *const u32,
    /// the number of elements in `pSFRRects`
    pub SFRRectCount: u32,
    /// a pointer to an array of rectangles describing which regions of the image are attached to each instance of memory
    pub pSFRRects: *const VkRect2D,
}

impl Default for VkBindImageMemoryInfoKHX {
    fn default () -> VkBindImageMemoryInfoKHX {
        return unsafe {
            VkBindImageMemoryInfoKHX {
                sType: VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Set the initial device mask and render areas for a render pass instance
#[repr(C)]
pub struct VkDeviceGroupRenderPassBeginInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the device mask for the render pass instance
    pub deviceMask: u32,
    /// the number of elements in the `pDeviceRenderAreas` array
    pub deviceRenderAreaCount: u32,
    /// an array of structures of type `VkRect2D` defining the render area for each physical device
    pub pDeviceRenderAreas: *const VkRect2D,
}

impl Default for VkDeviceGroupRenderPassBeginInfoKHX {
    fn default () -> VkDeviceGroupRenderPassBeginInfoKHX {
        return unsafe {
            VkDeviceGroupRenderPassBeginInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_RENDER_PASS_BEGIN_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Set the initial device mask for a command buffer
#[repr(C)]
pub struct VkDeviceGroupCommandBufferBeginInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the initial value of the command buffer's device mask
    pub deviceMask: u32,
}

impl Default for VkDeviceGroupCommandBufferBeginInfoKHX {
    fn default () -> VkDeviceGroupCommandBufferBeginInfoKHX {
        return unsafe {
            VkDeviceGroupCommandBufferBeginInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_COMMAND_BUFFER_BEGIN_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure indicating which physical devices execute semaphore operations and command buffers
#[repr(C)]
pub struct VkDeviceGroupSubmitInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of elements in the `pWaitSemaphoreDeviceIndices` array
    pub waitSemaphoreCount: u32,
    /// an array of device indices indicating which physical device executes the semaphore wait operation in the corresponding element of `VkSubmitInfo::pname:pWaitSemaphores`
    pub pWaitSemaphoreDeviceIndices: *const u32,
    /// the number of elements in the `pCommandBufferDeviceMasks` array
    pub commandBufferCount: u32,
    /// an array of device masks indicating which physical devices execute the command buffer in the corresponding element of `VkSubmitInfo::pname:pCommandBuffers`
    pub pCommandBufferDeviceMasks: *const u32,
    /// the number of elements in the `pSignalSemaphoreDeviceIndices` array
    pub signalSemaphoreCount: u32,
    /// an array of device indices indicating which physical device executes the semaphore signal operation in the corresponding element of `VkSubmitInfo::pname:pSignalSemaphores`
    pub pSignalSemaphoreDeviceIndices: *const u32,
}

impl Default for VkDeviceGroupSubmitInfoKHX {
    fn default () -> VkDeviceGroupSubmitInfoKHX {
        return unsafe {
            VkDeviceGroupSubmitInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_SUBMIT_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure indicating which instances are bound
#[repr(C)]
pub struct VkDeviceGroupBindSparseInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a device index indicating which instance of the resource is bound
    pub resourceDeviceIndex: u32,
    /// a device index indicating which instance of the memory the resource instance is bound to
    pub memoryDeviceIndex: u32,
}

impl Default for VkDeviceGroupBindSparseInfoKHX {
    fn default () -> VkDeviceGroupBindSparseInfoKHX {
        return unsafe {
            VkDeviceGroupBindSparseInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_BIND_SPARSE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Present capabilities from other physical devices
#[repr(C)]
pub struct VkDeviceGroupPresentCapabilitiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// an array of masks, where the mask at element
    pub presentMask: [u32;VK_MAX_DEVICE_GROUP_SIZE_KHX as usize],
    /// a bitmask indicating which device group presentation modes are supported
    pub modes: VkDeviceGroupPresentModeFlagsKHX,
}

impl Default for VkDeviceGroupPresentCapabilitiesKHX {
    fn default () -> VkDeviceGroupPresentCapabilitiesKHX {
        return unsafe {
            VkDeviceGroupPresentCapabilitiesKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_CAPABILITIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify that an image will be bound to swapchain memory
#[repr(C)]
pub struct VkImageSwapchainCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// `VK_NULL_HANDLE` or a handle of a swapchain that the image will be bound to
    pub swapchain: VkSwapchainKHR,
}

impl Default for VkImageSwapchainCreateInfoKHX {
    fn default () -> VkImageSwapchainCreateInfoKHX {
        return unsafe {
            VkImageSwapchainCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_IMAGE_SWAPCHAIN_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying swapchain image memory to bind to
#[repr(C)]
pub struct VkBindImageMemorySwapchainInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// `VK_NULL_HANDLE` or a swapchain handle
    pub swapchain: VkSwapchainKHR,
    /// an image index within `swapchain`
    pub imageIndex: u32,
}

impl Default for VkBindImageMemorySwapchainInfoKHX {
    fn default () -> VkBindImageMemorySwapchainInfoKHX {
        return unsafe {
            VkBindImageMemorySwapchainInfoKHX {
                sType: VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_SWAPCHAIN_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of the acquire
#[repr(C)]
pub struct VkAcquireNextImageInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the swapchain from which an image is being acquired
    pub swapchain: VkSwapchainKHR,
    pub timeout: u64,
    /// `VK_NULL_HANDLE` or a semaphore to signal
    pub semaphore: VkSemaphore,
    /// `VK_NULL_HANDLE` or a fence to signal
    pub fence: VkFence,
    /// a mask of physical devices for which the swapchain image will be ready to use when the semaphore or fence is signaled
    pub deviceMask: u32,
}

impl Default for VkAcquireNextImageInfoKHX {
    fn default () -> VkAcquireNextImageInfoKHX {
        return unsafe {
            VkAcquireNextImageInfoKHX {
                sType: VK_STRUCTURE_TYPE_ACQUIRE_NEXT_IMAGE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Mode and mask controlling which physical devices' images are presented
#[repr(C)]
pub struct VkDeviceGroupPresentInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// zero or the number of elements in `pDeviceMasks`
    pub swapchainCount: u32,
    /// an array of device masks, one for each element of `VkPresentInfoKHR::pSwapchains`
    pub pDeviceMasks: *const u32,
    /// the device group present mode that will be used for this present
    pub mode: VkDeviceGroupPresentModeFlagBitsKHX,
}

impl Default for VkDeviceGroupPresentInfoKHX {
    fn default () -> VkDeviceGroupPresentInfoKHX {
        return unsafe {
            VkDeviceGroupPresentInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_PRESENT_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters of a newly created swapchain object
#[repr(C)]
pub struct VkDeviceGroupSwapchainCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitfield of modes that the swapchain can: be used with
    pub modes: VkDeviceGroupPresentModeFlagsKHX,
}

impl Default for VkDeviceGroupSwapchainCreateInfoKHX {
    fn default () -> VkDeviceGroupSwapchainCreateInfoKHX {
        return unsafe {
            VkDeviceGroupSwapchainCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_SWAPCHAIN_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_validation_flags
// -------------------------------

pub const VK_EXT_VALIDATION_FLAGS_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_VALIDATION_FLAGS_EXTENSION_NAME: &'static str = "VK_EXT_validation_flags";


/// Specify validation checks to disable
pub type VkValidationCheckEXT = VkEnum;
pub const VK_VALIDATION_CHECK_ALL_EXT : VkValidationCheckEXT = 0;
pub const VK_VALIDATION_CHECK_SHADERS_EXT : VkValidationCheckEXT = 1;
pub const VK_VALIDATION_CHECK_BEGIN_RANGE_EXT : VkValidationCheckEXT = VK_VALIDATION_CHECK_ALL_EXT;
pub const VK_VALIDATION_CHECK_END_RANGE_EXT : VkValidationCheckEXT = VK_VALIDATION_CHECK_SHADERS_EXT;
pub const VK_VALIDATION_CHECK_RANGE_SIZE_EXT : VkValidationCheckEXT = (VK_VALIDATION_CHECK_SHADERS_EXT as i32 - VK_VALIDATION_CHECK_ALL_EXT as i32 + 1i32) as u32;
pub const VK_VALIDATION_CHECK_MAX_ENUM_EXT : VkValidationCheckEXT = 0x7FFFFFFF;

/// Specify validation checks to disable for a Vulkan instance
#[repr(C)]
pub struct VkValidationFlagsEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of checks to disable
    pub disabledValidationCheckCount: u32,
    /// a pointer to an array of values specifying the validation checks to be disabled
    pub pDisabledValidationChecks: *mut VkValidationCheckEXT,
}

impl Default for VkValidationFlagsEXT {
    fn default () -> VkValidationFlagsEXT {
        return unsafe {
            VkValidationFlagsEXT {
                sType: VK_STRUCTURE_TYPE_VALIDATION_FLAGS_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NN_vi_surface
// ------------------------

#[cfg(feature = "VK_USE_PLATFORM_VI_NN")]
pub const VK_NN_VI_SURFACE_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_VI_NN")]
pub const VK_NN_VI_SURFACE_EXTENSION_NAME: &'static str = "VK_NN_vi_surface";

#[cfg(feature = "VK_USE_PLATFORM_VI_NN")]
pub use self::VkEnum as VkViSurfaceCreateFlagsNN;

/// Structure specifying parameters of a newly created VI surface object
#[cfg(feature = "VK_USE_PLATFORM_VI_NN")]
#[repr(C)]
pub struct VkViSurfaceCreateInfoNN {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkViSurfaceCreateFlagsNN,
    /// the `nn::code:vi::code:NativeWindowHandle` for the `nn::code:vi::code:Layer` with which to associate the surface
    pub window: *mut raw::c_void,
}

#[cfg(feature = "VK_USE_PLATFORM_VI_NN")]
impl Default for VkViSurfaceCreateInfoNN {
    fn default () -> VkViSurfaceCreateInfoNN {
        return unsafe {
            VkViSurfaceCreateInfoNN {
                sType: VK_STRUCTURE_TYPE_VI_SURFACE_CREATE_INFO_NN,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_shader_subgroup_ballot
// -------------------------------------

pub const VK_EXT_SHADER_SUBGROUP_BALLOT_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_SHADER_SUBGROUP_BALLOT_EXTENSION_NAME: &'static str = "VK_EXT_shader_subgroup_ballot";


// feature VK_EXT_shader_subgroup_vote
// -----------------------------------

pub const VK_EXT_SHADER_SUBGROUP_VOTE_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_SHADER_SUBGROUP_VOTE_EXTENSION_NAME: &'static str = "VK_EXT_shader_subgroup_vote";


// feature VK_KHX_device_group_creation
// ------------------------------------

pub const VK_KHX_DEVICE_GROUP_CREATION_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_DEVICE_GROUP_CREATION_EXTENSION_NAME: &'static str = "VK_KHX_device_group_creation";

/// Structure specifying physical device group properties
#[repr(C)]
pub struct VkPhysicalDeviceGroupPropertiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// the number of physical devices in the group
    pub physicalDeviceCount: u32,
    /// an array of physical device handles representing all physical devices in the group
    pub physicalDevices: [VkPhysicalDevice;VK_MAX_DEVICE_GROUP_SIZE_KHX as usize],
    pub subsetAllocation: VkBool32,
}

impl Default for VkPhysicalDeviceGroupPropertiesKHX {
    fn default () -> VkPhysicalDeviceGroupPropertiesKHX {
        return unsafe {
            VkPhysicalDeviceGroupPropertiesKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Create a logical device from multiple physical devices
#[repr(C)]
pub struct VkDeviceGroupDeviceCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of elements in the `pPhysicalDevices` array
    pub physicalDeviceCount: u32,
    /// an array of physical device handles belonging to the same device group
    pub pPhysicalDevices: *const VkPhysicalDevice,
}

impl Default for VkDeviceGroupDeviceCreateInfoKHX {
    fn default () -> VkDeviceGroupDeviceCreateInfoKHX {
        return unsafe {
            VkDeviceGroupDeviceCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GROUP_DEVICE_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_memory_capabilities
// -------------------------------------------

pub const VK_LUID_SIZE_KHX: VkEnum = 8;
pub const VK_KHX_EXTERNAL_MEMORY_CAPABILITIES_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME: &'static str = "VK_KHX_external_memory_capabilities";


/// Bitmask of valid external memory handle types
pub type VkExternalMemoryHandleTypeFlagBitsKHX = VkEnum;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000001;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000002;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000004;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_D3D11_TEXTURE_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000008;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_D3D11_TEXTURE_KMT_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000010;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_HEAP_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000020;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_D3D12_RESOURCE_BIT_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x00000040;
pub const VK_EXTERNAL_MEMORY_HANDLE_TYPE_FLAG_BITS_MAX_ENUM_KHX : VkExternalMemoryHandleTypeFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkExternalMemoryHandleTypeFlagBitsKHX as VkExternalMemoryHandleTypeFlagsKHX;

/// Bitmask specifying features of an external memory handle type
pub type VkExternalMemoryFeatureFlagBitsKHX = VkEnum;
pub const VK_EXTERNAL_MEMORY_FEATURE_DEDICATED_ONLY_BIT_KHX : VkExternalMemoryFeatureFlagBitsKHX = 0x00000001;
pub const VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT_KHX : VkExternalMemoryFeatureFlagBitsKHX = 0x00000002;
pub const VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT_KHX : VkExternalMemoryFeatureFlagBitsKHX = 0x00000004;
pub const VK_EXTERNAL_MEMORY_FEATURE_FLAG_BITS_MAX_ENUM_KHX : VkExternalMemoryFeatureFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkExternalMemoryFeatureFlagBitsKHX as VkExternalMemoryFeatureFlagsKHX;

/// Structure specifying external memory handle type capabilities
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkExternalMemoryPropertiesKHX {
    /// a bitmask describing the features of `handleType`
    pub externalMemoryFeatures: VkExternalMemoryFeatureFlagsKHX,
    /// a bitmask specifying handle types that can be used to import objects from which `handleType` can be exported
    pub exportFromImportedHandleTypes: VkExternalMemoryHandleTypeFlagsKHX,
    /// a bitmask specifying handle types which can be specified at the same time as `handleType` when creating an image compatible with external memory
    pub compatibleHandleTypes: VkExternalMemoryHandleTypeFlagsKHX,
}

impl Default for VkExternalMemoryPropertiesKHX {
    fn default () -> VkExternalMemoryPropertiesKHX {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying external image creation parameters
#[repr(C)]
pub struct VkPhysicalDeviceExternalImageFormatInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bit indicating a memory handle type that will be used with the memory associated with the image
    pub handleType: VkExternalMemoryHandleTypeFlagBitsKHX,
}

impl Default for VkPhysicalDeviceExternalImageFormatInfoKHX {
    fn default () -> VkPhysicalDeviceExternalImageFormatInfoKHX {
        return unsafe {
            VkPhysicalDeviceExternalImageFormatInfoKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying supported external handle properties
#[repr(C)]
pub struct VkExternalImageFormatPropertiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// an instance of the `VkExternalMemoryPropertiesKHX` structure specifying various capabilities of the external handle type when used with the specified image creation parameters
    pub externalMemoryProperties: VkExternalMemoryPropertiesKHX,
}

impl Default for VkExternalImageFormatPropertiesKHX {
    fn default () -> VkExternalImageFormatPropertiesKHX {
        return unsafe {
            VkExternalImageFormatPropertiesKHX {
                sType: VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying buffer creation parameters
#[repr(C)]
pub struct VkPhysicalDeviceExternalBufferInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// NULL or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask describing additional parameters of the buffer, corresponding to `VkBufferCreateInfo::pname:flags`
    pub flags: VkBufferCreateFlags,
    /// a bitmask describing the intended usage of the buffer, corresponding to `VkBufferCreateInfo::pname:usage`
    pub usage: VkBufferUsageFlags,
    /// a bit indicating a memory handle type that will be used with the memory associated with the buffer
    pub handleType: VkExternalMemoryHandleTypeFlagBitsKHX,
}

impl Default for VkPhysicalDeviceExternalBufferInfoKHX {
    fn default () -> VkPhysicalDeviceExternalBufferInfoKHX {
        return unsafe {
            VkPhysicalDeviceExternalBufferInfoKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_BUFFER_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying supported external handle capabilities
#[repr(C)]
pub struct VkExternalBufferPropertiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// NULL or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// an instance of the `VkExternalMemoryPropertiesKHX` structure specifying various capabilities of the external handle type when used with the specified buffer creation parameters
    pub externalMemoryProperties: VkExternalMemoryPropertiesKHX,
}

impl Default for VkExternalBufferPropertiesKHX {
    fn default () -> VkExternalBufferPropertiesKHX {
        return unsafe {
            VkExternalBufferPropertiesKHX {
                sType: VK_STRUCTURE_TYPE_EXTERNAL_BUFFER_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying IDs related to the physical device
#[repr(C)]
pub struct VkPhysicalDeviceIDPropertiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// an array of size `VK_UUID_SIZE,` containing 8-bit values that represent a universally unique identifier for the device
    pub deviceUUID: [u8;VK_UUID_SIZE as usize],
    /// an array of size `VK_UUID_SIZE,` containing 8-bit values that represent a universally unique identifier for the driver build in use by the device
    pub driverUUID: [u8;VK_UUID_SIZE as usize],
    /// an array of size `VK_LUID_SIZE_KHX,` containing 8-bit values that represent a locally unique identifier for the device
    pub deviceLUID: [u8;VK_LUID_SIZE_KHX as usize],
    /// a boolean value that will be `VK_TRUE` if `deviceLUID` contains a valid LUID, and `VK_FALSE` if it does not
    pub deviceLUIDValid: VkBool32,
}

impl Default for VkPhysicalDeviceIDPropertiesKHX {
    fn default () -> VkPhysicalDeviceIDPropertiesKHX {
        return unsafe {
            VkPhysicalDeviceIDPropertiesKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_memory
// ------------------------------

pub const VK_KHX_EXTERNAL_MEMORY_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_EXTERNAL_MEMORY_EXTENSION_NAME: &'static str = "VK_KHX_external_memory";
pub const VK_QUEUE_FAMILY_EXTERNAL_KHX: u32 = !0u32-1;

/// Specify that an image may be backed by external memory
#[repr(C)]
pub struct VkExternalMemoryImageCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask of `VkExternalMemoryHandleTypeFlagBitsKHX` specifying one or more external memory handle types
    pub handleTypes: VkExternalMemoryHandleTypeFlagsKHX,
}

impl Default for VkExternalMemoryImageCreateInfoKHX {
    fn default () -> VkExternalMemoryImageCreateInfoKHX {
        return unsafe {
            VkExternalMemoryImageCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify that a buffer may be backed by external memory
#[repr(C)]
pub struct VkExternalMemoryBufferCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask of `VkExternalMemoryHandleTypeFlagBitsKHX` specifying one or more external memory handle types
    pub handleTypes: VkExternalMemoryHandleTypeFlagsKHX,
}

impl Default for VkExternalMemoryBufferCreateInfoKHX {
    fn default () -> VkExternalMemoryBufferCreateInfoKHX {
        return unsafe {
            VkExternalMemoryBufferCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_BUFFER_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify exportable handle types for a device memory object
#[repr(C)]
pub struct VkExportMemoryAllocateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask of `VkExternalMemoryHandleTypeFlagBitsKHX` specifying one or more memory handle types the application can: export from the resulting allocation
    pub handleTypes: VkExternalMemoryHandleTypeFlagsKHX,
}

impl Default for VkExportMemoryAllocateInfoKHX {
    fn default () -> VkExportMemoryAllocateInfoKHX {
        return unsafe {
            VkExportMemoryAllocateInfoKHX {
                sType: VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_memory_win32
// ------------------------------------

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_KHX_EXTERNAL_MEMORY_WIN32_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_KHX_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME: &'static str = "VK_KHX_external_memory_win32";

/// import Win32 memory created on the same physical device
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
#[repr(C)]
pub struct VkImportMemoryWin32HandleInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub handleType: VkExternalMemoryHandleTypeFlagBitsKHX,
    /// the external handle to import
    pub handle: HANDLE,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
impl Default for VkImportMemoryWin32HandleInfoKHX {
    fn default () -> VkImportMemoryWin32HandleInfoKHX {
        return unsafe {
            VkImportMemoryWin32HandleInfoKHX {
                sType: VK_STRUCTURE_TYPE_IMPORT_MEMORY_WIN32_HANDLE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying additional attributes of Windows handles exported from a memory
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
#[repr(C)]
pub struct VkExportMemoryWin32HandleInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a pointer to a Windows `SECURITY_ATTRIBUTES` structure specifying security attributes of the handle
    pub pAttributes: *const SECURITY_ATTRIBUTES,
    /// a `DWORD` specifying access rights of the handle
    pub dwAccess: DWORD,
    /// a NULL-terminated UNICODE string to associate with the underlying synchronization primitive referenced by NT handles exported from the created memory
    pub name: LPCWSTR,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
impl Default for VkExportMemoryWin32HandleInfoKHX {
    fn default () -> VkExportMemoryWin32HandleInfoKHX {
        return unsafe {
            VkExportMemoryWin32HandleInfoKHX {
                sType: VK_STRUCTURE_TYPE_EXPORT_MEMORY_WIN32_HANDLE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Properties of External Memory Windows Handles
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
#[repr(C)]
pub struct VkMemoryWin32HandlePropertiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a bitmask containing one bit set for every memory type which the specified windows handle can: be imported as
    pub memoryTypeBits: u32,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
impl Default for VkMemoryWin32HandlePropertiesKHX {
    fn default () -> VkMemoryWin32HandlePropertiesKHX {
        return unsafe {
            VkMemoryWin32HandlePropertiesKHX {
                sType: VK_STRUCTURE_TYPE_MEMORY_WIN32_HANDLE_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_memory_fd
// ---------------------------------

pub const VK_KHX_EXTERNAL_MEMORY_FD_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_EXTERNAL_MEMORY_FD_EXTENSION_NAME: &'static str = "VK_KHX_external_memory_fd";

/// import memory created on the same physical device from a file descriptor
#[repr(C)]
pub struct VkImportMemoryFdInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub handleType: VkExternalMemoryHandleTypeFlagBitsKHX,
    /// the external handle to import
    pub fd: raw::c_int,
}

impl Default for VkImportMemoryFdInfoKHX {
    fn default () -> VkImportMemoryFdInfoKHX {
        return unsafe {
            VkImportMemoryFdInfoKHX {
                sType: VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Properties of External Memory File Descriptors
#[repr(C)]
pub struct VkMemoryFdPropertiesKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    /// a bitmask containing one bit set for every memory type which the specified file descriptor can: be imported as
    pub memoryTypeBits: u32,
}

impl Default for VkMemoryFdPropertiesKHX {
    fn default () -> VkMemoryFdPropertiesKHX {
        return unsafe {
            VkMemoryFdPropertiesKHX {
                sType: VK_STRUCTURE_TYPE_MEMORY_FD_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_win32_keyed_mutex
// --------------------------------

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_KHX_WIN32_KEYED_MUTEX_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
pub const VK_KHX_WIN32_KEYED_MUTEX_EXTENSION_NAME: &'static str = "VK_KHX_win32_keyed_mutex";

/// Use the Windows keyed mutex mechanism to synchronize work
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
#[repr(C)]
pub struct VkWin32KeyedMutexAcquireReleaseInfoKHX {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    /// the number of entries in the `pAcquireSyncs,` `pAcquireKeys,` and `pAcquireTimeoutMilliseconds` arrays
    pub acquireCount: u32,
    /// a pointer to an array of `VkDeviceMemory` objects which were imported from Direct3D 11 resources
    pub pAcquireSyncs: *const VkDeviceMemory,
    /// a pointer to an array of mutex key values to wait for prior to beginning the submitted work
    pub pAcquireKeys: *const u64,
    pub pAcquireTimeouts: *const u32,
    /// the number of entries in the `pReleaseSyncs` and `pReleaseKeys` arrays
    pub releaseCount: u32,
    /// a pointer to an array of `VkDeviceMemory` objects which were imported from Direct3D 11 resources
    pub pReleaseSyncs: *const VkDeviceMemory,
    /// a pointer to an array of mutex key values to set when the submitted work has completed
    pub pReleaseKeys: *const u64,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHR")]
impl Default for VkWin32KeyedMutexAcquireReleaseInfoKHX {
    fn default () -> VkWin32KeyedMutexAcquireReleaseInfoKHX {
        return unsafe {
            VkWin32KeyedMutexAcquireReleaseInfoKHX {
                sType: VK_STRUCTURE_TYPE_WIN32_KEYED_MUTEX_ACQUIRE_RELEASE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_semaphore_capabilities
// ----------------------------------------------

pub const VK_KHX_EXTERNAL_SEMAPHORE_CAPABILITIES_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_EXTERNAL_SEMAPHORE_CAPABILITIES_EXTENSION_NAME: &'static str = "VK_KHX_external_semaphore_capabilities";


/// Bitmask of valid external semaphore handle types
pub type VkExternalSemaphoreHandleTypeFlagBitsKHX = VkEnum;
pub const VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHX : VkExternalSemaphoreHandleTypeFlagBitsKHX = 0x00000001;
pub const VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT_KHX : VkExternalSemaphoreHandleTypeFlagBitsKHX = 0x00000002;
pub const VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT_KHX : VkExternalSemaphoreHandleTypeFlagBitsKHX = 0x00000004;
pub const VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D12_FENCE_BIT_KHX : VkExternalSemaphoreHandleTypeFlagBitsKHX = 0x00000008;
pub const VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_FENCE_FD_BIT_KHX : VkExternalSemaphoreHandleTypeFlagBitsKHX = 0x00000010;
pub const VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_FLAG_BITS_MAX_ENUM_KHX : VkExternalSemaphoreHandleTypeFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkExternalSemaphoreHandleTypeFlagBitsKHX as VkExternalSemaphoreHandleTypeFlagsKHX;

/// Bitfield describing features of an external semaphore handle type
pub type VkExternalSemaphoreFeatureFlagBitsKHX = VkEnum;
pub const VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT_KHX : VkExternalSemaphoreFeatureFlagBitsKHX = 0x00000001;
pub const VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT_KHX : VkExternalSemaphoreFeatureFlagBitsKHX = 0x00000002;
pub const VK_EXTERNAL_SEMAPHORE_FEATURE_FLAG_BITS_MAX_ENUM_KHX : VkExternalSemaphoreFeatureFlagBitsKHX = 0x7FFFFFFF;
pub use self::VkExternalSemaphoreFeatureFlagBitsKHX as VkExternalSemaphoreFeatureFlagsKHX;

/// Structure specifying semaphore creation parameters.
#[repr(C)]
pub struct VkPhysicalDeviceExternalSemaphoreInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// NULL or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bit indicating an external semaphore handle type for which capabilities will be returned
    pub handleType: VkExternalSemaphoreHandleTypeFlagBitsKHX,
}

impl Default for VkPhysicalDeviceExternalSemaphoreInfoKHX {
    fn default () -> VkPhysicalDeviceExternalSemaphoreInfoKHX {
        return unsafe {
            VkPhysicalDeviceExternalSemaphoreInfoKHX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_SEMAPHORE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure describing supported external semaphore handle features
#[repr(C)]
pub struct VkExternalSemaphorePropertiesKHX {
    pub sType: VkStructureType,
    pub pNext: *mut raw::c_void,
    /// a bitmask specifying handle types that can be used to import objects from which `handleType` can be exported
    pub exportFromImportedHandleTypes: VkExternalSemaphoreHandleTypeFlagsKHX,
    /// a bitmask specifying handle types which can be specified at the same time as `handleType` when creating a semaphore
    pub compatibleHandleTypes: VkExternalSemaphoreHandleTypeFlagsKHX,
    /// a bitmask describing the features of `handleType`
    pub externalSemaphoreFeatures: VkExternalSemaphoreFeatureFlagsKHX,
}

impl Default for VkExternalSemaphorePropertiesKHX {
    fn default () -> VkExternalSemaphorePropertiesKHX {
        return unsafe {
            VkExternalSemaphorePropertiesKHX {
                sType: VK_STRUCTURE_TYPE_EXTERNAL_SEMAPHORE_PROPERTIES_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_semaphore
// ---------------------------------

pub const VK_KHX_EXTERNAL_SEMAPHORE_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_EXTERNAL_SEMAPHORE_EXTENSION_NAME: &'static str = "VK_KHX_external_semaphore";

/// Structure specifying handle types that can be exported from a semaphore
#[repr(C)]
pub struct VkExportSemaphoreCreateInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask of `VkExternalSemaphoreHandleTypeFlagBitsKHX` specifying one or more semaphore handle types the application can: export from the resulting allocation
    pub handleTypes: VkExternalSemaphoreHandleTypeFlagsKHX,
}

impl Default for VkExportSemaphoreCreateInfoKHX {
    fn default () -> VkExportSemaphoreCreateInfoKHX {
        return unsafe {
            VkExportSemaphoreCreateInfoKHX {
                sType: VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_semaphore_win32
// ---------------------------------------

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_KHX_EXTERNAL_SEMAPHORE_WIN32_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
pub const VK_KHX_EXTERNAL_SEMAPHORE_WIN32_EXTENSION_NAME: &'static str = "VK_KHX_external_semaphore_win32";

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
#[repr(C)]
pub struct VkImportSemaphoreWin32HandleInfoKHX {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub semaphore: VkSemaphore,
    pub handleType: VkExternalSemaphoreHandleTypeFlagsKHX,
    pub handle: HANDLE,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
impl Default for VkImportSemaphoreWin32HandleInfoKHX {
    fn default () -> VkImportSemaphoreWin32HandleInfoKHX {
        return unsafe {
            VkImportSemaphoreWin32HandleInfoKHX {
                sType: VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_WIN32_HANDLE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying additional attributes of Windows handles exported from a semaphore
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
#[repr(C)]
pub struct VkExportSemaphoreWin32HandleInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a pointer to a Windows `SECURITY_ATTRIBUTES` structure specifying security attributes of the handle
    pub pAttributes: *const SECURITY_ATTRIBUTES,
    /// a `DWORD` specifying access rights of the handle
    pub dwAccess: DWORD,
    /// a NULL-terminated UNICODE string to associate with the underlying synchronization primitive referenced by NT handles exported from the created semaphore
    pub name: LPCWSTR,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
impl Default for VkExportSemaphoreWin32HandleInfoKHX {
    fn default () -> VkExportSemaphoreWin32HandleInfoKHX {
        return unsafe {
            VkExportSemaphoreWin32HandleInfoKHX {
                sType: VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_WIN32_HANDLE_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying values for Direct3D 12 fence-backed semaphores
#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
#[repr(C)]
pub struct VkD3D12FenceSubmitInfoKHX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of semaphore wait values specified in `pWaitSemaphoreValues`
    pub waitSemaphoreValuesCount: u32,
    /// an array of length `waitSemaphoreValuesCount` containing values for the corresponding semaphores in `VkSubmitInfo::pname:pWaitSemaphores` to wait for
    pub pWaitSemaphoreValues: *const u64,
    /// the number of semaphore signal values specified in `pSignalSemaphoreValues`
    pub signalSemaphoreValuesCount: u32,
    /// an array of length `signalSemaphoreValuesCount` containing values for the corresponding semaphores in `VkSubmitInfo::pname:pSignalSemaphores` to set when signaled
    pub pSignalSemaphoreValues: *const u64,
}

#[cfg(feature = "VK_USE_PLATFORM_WIN32_KHX")]
impl Default for VkD3D12FenceSubmitInfoKHX {
    fn default () -> VkD3D12FenceSubmitInfoKHX {
        return unsafe {
            VkD3D12FenceSubmitInfoKHX {
                sType: VK_STRUCTURE_TYPE_D3D12_FENCE_SUBMIT_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_KHX_external_semaphore_fd
// ------------------------------------

pub const VK_KHX_EXTERNAL_SEMAPHORE_FD_SPEC_VERSION: VkEnum = 1;
pub const VK_KHX_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME: &'static str = "VK_KHX_external_semaphore_fd";

#[repr(C)]
pub struct VkImportSemaphoreFdInfoKHX {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub semaphore: VkSemaphore,
    pub handleType: VkExternalSemaphoreHandleTypeFlagBitsKHX,
    pub fd: raw::c_int,
}

impl Default for VkImportSemaphoreFdInfoKHX {
    fn default () -> VkImportSemaphoreFdInfoKHX {
        return unsafe {
            VkImportSemaphoreFdInfoKHX {
                sType: VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NVX_device_generated_commands
// ----------------------------------------

/// Opaque handle to an object table
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkObjectTableNVX (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkObjectTableNVX {
    fn null() -> VkObjectTableNVX {
        return VkObjectTableNVX(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkObjectTableNVX {
    fn default() -> VkObjectTableNVX {
        return VkObjectTableNVX(VkNonDispatchableHandle{value:0});
    }
}

/// Opaque handle to an indirect commands layout object
#[repr(C)]
#[derive(Clone,Copy,Debug,PartialEq,Eq)]
pub struct VkIndirectCommandsLayoutNVX (VkNonDispatchableHandle);
impl ::util::VkNullHandle for VkIndirectCommandsLayoutNVX {
    fn null() -> VkIndirectCommandsLayoutNVX {
        return VkIndirectCommandsLayoutNVX(VkNonDispatchableHandle{value:0});    }
}
impl Default for VkIndirectCommandsLayoutNVX {
    fn default() -> VkIndirectCommandsLayoutNVX {
        return VkIndirectCommandsLayoutNVX(VkNonDispatchableHandle{value:0});
    }
}


pub const VK_NVX_DEVICE_GENERATED_COMMANDS_SPEC_VERSION: VkEnum = 1;
pub const VK_NVX_DEVICE_GENERATED_COMMANDS_EXTENSION_NAME: &'static str = "VK_NVX_device_generated_commands";


/// Enum specifying
pub type VkIndirectCommandsTokenTypeNVX = VkEnum;
pub const VK_INDIRECT_COMMANDS_TOKEN_PIPELINE_NVX : VkIndirectCommandsTokenTypeNVX = 0;
pub const VK_INDIRECT_COMMANDS_TOKEN_DESCRIPTOR_SET_NVX : VkIndirectCommandsTokenTypeNVX = 1;
pub const VK_INDIRECT_COMMANDS_TOKEN_INDEX_BUFFER_NVX : VkIndirectCommandsTokenTypeNVX = 2;
pub const VK_INDIRECT_COMMANDS_TOKEN_VERTEX_BUFFER_NVX : VkIndirectCommandsTokenTypeNVX = 3;
pub const VK_INDIRECT_COMMANDS_TOKEN_PUSH_CONSTANT_NVX : VkIndirectCommandsTokenTypeNVX = 4;
pub const VK_INDIRECT_COMMANDS_TOKEN_DRAW_INDEXED_NVX : VkIndirectCommandsTokenTypeNVX = 5;
pub const VK_INDIRECT_COMMANDS_TOKEN_DRAW_NVX : VkIndirectCommandsTokenTypeNVX = 6;
pub const VK_INDIRECT_COMMANDS_TOKEN_DISPATCH_NVX : VkIndirectCommandsTokenTypeNVX = 7;
pub const VK_INDIRECT_COMMANDS_TOKEN_TYPE_BEGIN_RANGE_NVX : VkIndirectCommandsTokenTypeNVX = VK_INDIRECT_COMMANDS_TOKEN_PIPELINE_NVX;
pub const VK_INDIRECT_COMMANDS_TOKEN_TYPE_END_RANGE_NVX : VkIndirectCommandsTokenTypeNVX = VK_INDIRECT_COMMANDS_TOKEN_DISPATCH_NVX;
pub const VK_INDIRECT_COMMANDS_TOKEN_TYPE_RANGE_SIZE_NVX : VkIndirectCommandsTokenTypeNVX = (VK_INDIRECT_COMMANDS_TOKEN_DISPATCH_NVX as i32 - VK_INDIRECT_COMMANDS_TOKEN_PIPELINE_NVX as i32 + 1i32) as u32;
pub const VK_INDIRECT_COMMANDS_TOKEN_TYPE_MAX_ENUM_NVX : VkIndirectCommandsTokenTypeNVX = 0x7FFFFFFF;

/// Enum specifying object table entry type
pub type VkObjectEntryTypeNVX = VkEnum;
pub const VK_OBJECT_ENTRY_DESCRIPTOR_SET_NVX : VkObjectEntryTypeNVX = 0;
pub const VK_OBJECT_ENTRY_PIPELINE_NVX : VkObjectEntryTypeNVX = 1;
pub const VK_OBJECT_ENTRY_INDEX_BUFFER_NVX : VkObjectEntryTypeNVX = 2;
pub const VK_OBJECT_ENTRY_VERTEX_BUFFER_NVX : VkObjectEntryTypeNVX = 3;
pub const VK_OBJECT_ENTRY_PUSH_CONSTANT_NVX : VkObjectEntryTypeNVX = 4;
pub const VK_OBJECT_ENTRY_TYPE_BEGIN_RANGE_NVX : VkObjectEntryTypeNVX = VK_OBJECT_ENTRY_DESCRIPTOR_SET_NVX;
pub const VK_OBJECT_ENTRY_TYPE_END_RANGE_NVX : VkObjectEntryTypeNVX = VK_OBJECT_ENTRY_PUSH_CONSTANT_NVX;
pub const VK_OBJECT_ENTRY_TYPE_RANGE_SIZE_NVX : VkObjectEntryTypeNVX = (VK_OBJECT_ENTRY_PUSH_CONSTANT_NVX as i32 - VK_OBJECT_ENTRY_DESCRIPTOR_SET_NVX as i32 + 1i32) as u32;
pub const VK_OBJECT_ENTRY_TYPE_MAX_ENUM_NVX : VkObjectEntryTypeNVX = 0x7FFFFFFF;


/// Bitmask specifying allowed usage of a indirect commands layout
pub type VkIndirectCommandsLayoutUsageFlagBitsNVX = VkEnum;
pub const VK_INDIRECT_COMMANDS_LAYOUT_USAGE_UNORDERED_SEQUENCES_BIT_NVX : VkIndirectCommandsLayoutUsageFlagBitsNVX = 0x00000001;
pub const VK_INDIRECT_COMMANDS_LAYOUT_USAGE_SPARSE_SEQUENCES_BIT_NVX : VkIndirectCommandsLayoutUsageFlagBitsNVX = 0x00000002;
pub const VK_INDIRECT_COMMANDS_LAYOUT_USAGE_EMPTY_EXECUTIONS_BIT_NVX : VkIndirectCommandsLayoutUsageFlagBitsNVX = 0x00000004;
pub const VK_INDIRECT_COMMANDS_LAYOUT_USAGE_INDEXED_SEQUENCES_BIT_NVX : VkIndirectCommandsLayoutUsageFlagBitsNVX = 0x00000008;
pub const VK_INDIRECT_COMMANDS_LAYOUT_USAGE_FLAG_BITS_MAX_ENUM_NVX : VkIndirectCommandsLayoutUsageFlagBitsNVX = 0x7FFFFFFF;
pub use self::VkIndirectCommandsLayoutUsageFlagBitsNVX as VkIndirectCommandsLayoutUsageFlagsNVX;

/// Bitmask specifying allowed usage of an object entry
pub type VkObjectEntryUsageFlagBitsNVX = VkEnum;
pub const VK_OBJECT_ENTRY_USAGE_GRAPHICS_BIT_NVX : VkObjectEntryUsageFlagBitsNVX = 0x00000001;
pub const VK_OBJECT_ENTRY_USAGE_COMPUTE_BIT_NVX : VkObjectEntryUsageFlagBitsNVX = 0x00000002;
pub const VK_OBJECT_ENTRY_USAGE_FLAG_BITS_MAX_ENUM_NVX : VkObjectEntryUsageFlagBitsNVX = 0x7FFFFFFF;
pub use self::VkObjectEntryUsageFlagBitsNVX as VkObjectEntryUsageFlagsNVX;

/// Structure specifying physical device support
#[repr(C)]
pub struct VkDeviceGeneratedCommandsFeaturesNVX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub computeBindingPointSupport: VkBool32,
}

impl Default for VkDeviceGeneratedCommandsFeaturesNVX {
    fn default () -> VkDeviceGeneratedCommandsFeaturesNVX {
        return unsafe {
            VkDeviceGeneratedCommandsFeaturesNVX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GENERATED_COMMANDS_FEATURES_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying physical device limits
#[repr(C)]
pub struct VkDeviceGeneratedCommandsLimitsNVX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub maxIndirectCommandsLayoutTokenCount: u32,
    pub maxObjectEntryCounts: u32,
    pub minSequenceCountBufferOffsetAlignment: u32,
    pub minSequenceIndexBufferOffsetAlignment: u32,
    pub minCommandsTokenBufferOffsetAlignment: u32,
}

impl Default for VkDeviceGeneratedCommandsLimitsNVX {
    fn default () -> VkDeviceGeneratedCommandsLimitsNVX {
        return unsafe {
            VkDeviceGeneratedCommandsLimitsNVX {
                sType: VK_STRUCTURE_TYPE_DEVICE_GENERATED_COMMANDS_LIMITS_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters for the reservation of command buffer space
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkIndirectCommandsTokenNVX {
    pub tokenType: VkIndirectCommandsTokenTypeNVX,
    pub buffer: VkBuffer,
    pub offset: VkDeviceSize,
}

impl Default for VkIndirectCommandsTokenNVX {
    fn default () -> VkIndirectCommandsTokenNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Struct specifying the details of an indirect command layout token
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkIndirectCommandsLayoutTokenNVX {
    pub tokenType: VkIndirectCommandsTokenTypeNVX,
    pub bindingUnit: u32,
    pub dynamicCount: u32,
    pub divisor: u32,
}

impl Default for VkIndirectCommandsLayoutTokenNVX {
    fn default () -> VkIndirectCommandsLayoutTokenNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying the parameters of a newly created indirect commands layout object
#[repr(C)]
pub struct VkIndirectCommandsLayoutCreateInfoNVX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the `VkPipelineBindPoint` that this layout targets
    pub pipelineBindPoint: VkPipelineBindPoint,
    /// a bitmask providing usage hints of this layout
    pub flags: VkIndirectCommandsLayoutUsageFlagsNVX,
    /// the length of the individual command sequnce
    pub tokenCount: u32,
    /// an array describing each command token in detail
    pub pTokens: *const VkIndirectCommandsLayoutTokenNVX,
}

impl Default for VkIndirectCommandsLayoutCreateInfoNVX {
    fn default () -> VkIndirectCommandsLayoutCreateInfoNVX {
        return unsafe {
            VkIndirectCommandsLayoutCreateInfoNVX {
                sType: VK_STRUCTURE_TYPE_INDIRECT_COMMANDS_LAYOUT_CREATE_INFO_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters for the generation of commands
#[repr(C)]
pub struct VkCmdProcessCommandsInfoNVX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the `VkObjectTableNVX` to be used for the generation process
    pub objectTable: VkObjectTableNVX,
    /// the `VkIndirectCommandsLayoutNVX` that provides the command sequence to generate
    pub indirectCommandsLayout: VkIndirectCommandsLayoutNVX,
    pub indirectCommandsTokenCount: u32,
    pub pIndirectCommandsTokens: *const VkIndirectCommandsTokenNVX,
    /// the maximum number of sequences for which command buffer space will be reserved
    pub maxSequencesCount: u32,
    pub targetCommandBuffer: VkCommandBuffer,
    pub sequencesCountBuffer: VkBuffer,
    /// the byte offset into `sequencesCountBuffer` where the count value is stored
    pub sequencesCountOffset: VkDeviceSize,
    pub sequencesIndexBuffer: VkBuffer,
    /// the byte offset into `sequencesIndexBuffer` where the index values start
    pub sequencesIndexOffset: VkDeviceSize,
}

impl Default for VkCmdProcessCommandsInfoNVX {
    fn default () -> VkCmdProcessCommandsInfoNVX {
        return unsafe {
            VkCmdProcessCommandsInfoNVX {
                sType: VK_STRUCTURE_TYPE_CMD_PROCESS_COMMANDS_INFO_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying parameters for the reservation of command buffer space
#[repr(C)]
pub struct VkCmdReserveSpaceForCommandsInfoNVX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the `VkObjectTableNVX` to be used for the generation process
    pub objectTable: VkObjectTableNVX,
    /// the `VkIndirectCommandsLayoutNVX` that must: also be used at generation time
    pub indirectCommandsLayout: VkIndirectCommandsLayoutNVX,
    /// the maximum number of sequences for which command buffer space will be reserved
    pub maxSequencesCount: u32,
}

impl Default for VkCmdReserveSpaceForCommandsInfoNVX {
    fn default () -> VkCmdReserveSpaceForCommandsInfoNVX {
        return unsafe {
            VkCmdReserveSpaceForCommandsInfoNVX {
                sType: VK_STRUCTURE_TYPE_CMD_RESERVE_SPACE_FOR_COMMANDS_INFO_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Structure specifying the parameters of a newly created object table
#[repr(C)]
pub struct VkObjectTableCreateInfoNVX {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of entry configurations that the object table supports
    pub objectCount: u32,
    /// an array of `VkObjectEntryTypeNVX` providing the entry type of a given configuration
    pub pObjectEntryTypes: *const VkObjectEntryTypeNVX,
    /// an array of counts how many objects can be registered in the table
    pub pObjectEntryCounts: *const u32,
    /// an array of bitmasks describing the binding usage of the entry
    pub pObjectEntryUsageFlags: *const VkObjectEntryUsageFlagsNVX,
    /// the maximum number of `VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER` or `VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC` used by any single registered `VkDescriptorSet` in this table
    pub maxUniformBuffersPerDescriptor: u32,
    /// the maximum number of `VK_DESCRIPTOR_TYPE_STORAGE_BUFFER` or `VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC` used by any single registered `VkDescriptorSet` in this table
    pub maxStorageBuffersPerDescriptor: u32,
    /// the maximum number of `VK_DESCRIPTOR_TYPE_STORAGE_IMAGE` or `VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER` used by any single registered `VkDescriptorSet` in this table
    pub maxStorageImagesPerDescriptor: u32,
    /// the maximum number of `VK_DESCRIPTOR_TYPE_SAMPLER,` `VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,` `VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER` or `VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT` used by any single registered `VkDescriptorSet` in this table
    pub maxSampledImagesPerDescriptor: u32,
    /// the maximum number of unique `VkPipelineLayout` used by any registered `VkDescriptorSet` or `VkPipeline` in this table
    pub maxPipelineLayouts: u32,
}

impl Default for VkObjectTableCreateInfoNVX {
    fn default () -> VkObjectTableCreateInfoNVX {
        return unsafe {
            VkObjectTableCreateInfoNVX {
                sType: VK_STRUCTURE_TYPE_OBJECT_TABLE_CREATE_INFO_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}

#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkObjectTableEntryNVX {
    pub ptype: VkObjectEntryTypeNVX,
    pub flags: VkObjectEntryUsageFlagsNVX,
}

impl Default for VkObjectTableEntryNVX {
    fn default () -> VkObjectTableEntryNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkObjectTablePipelineEntryNVX {
    pub ptype: VkObjectEntryTypeNVX,
    pub flags: VkObjectEntryUsageFlagsNVX,
    pub pipeline: VkPipeline,
}

impl Default for VkObjectTablePipelineEntryNVX {
    fn default () -> VkObjectTablePipelineEntryNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkObjectTableDescriptorSetEntryNVX {
    pub ptype: VkObjectEntryTypeNVX,
    pub flags: VkObjectEntryUsageFlagsNVX,
    pub pipelineLayout: VkPipelineLayout,
    pub descriptorSet: VkDescriptorSet,
}

impl Default for VkObjectTableDescriptorSetEntryNVX {
    fn default () -> VkObjectTableDescriptorSetEntryNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkObjectTableVertexBufferEntryNVX {
    pub ptype: VkObjectEntryTypeNVX,
    pub flags: VkObjectEntryUsageFlagsNVX,
    pub buffer: VkBuffer,
}

impl Default for VkObjectTableVertexBufferEntryNVX {
    fn default () -> VkObjectTableVertexBufferEntryNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkObjectTableIndexBufferEntryNVX {
    pub ptype: VkObjectEntryTypeNVX,
    pub flags: VkObjectEntryUsageFlagsNVX,
    pub buffer: VkBuffer,
    pub indexType: VkIndexType,
}

impl Default for VkObjectTableIndexBufferEntryNVX {
    fn default () -> VkObjectTableIndexBufferEntryNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}

#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkObjectTablePushConstantEntryNVX {
    pub ptype: VkObjectEntryTypeNVX,
    pub flags: VkObjectEntryUsageFlagsNVX,
    pub pipelineLayout: VkPipelineLayout,
    pub stageFlags: VkShaderStageFlags,
}

impl Default for VkObjectTablePushConstantEntryNVX {
    fn default () -> VkObjectTablePushConstantEntryNVX {
        return unsafe { ::std::mem::zeroed() };
    }
}



// feature VK_NV_clip_space_w_scaling
// ----------------------------------

pub const VK_NV_CLIP_SPACE_W_SCALING_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_CLIP_SPACE_W_SCALING_EXTENSION_NAME: &'static str = "VK_NV_clip_space_w_scaling";

/// Structure specifying a viewport
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkViewportWScalingNV {
    pub xcoeff: f32,
    pub ycoeff: f32,
}

impl Default for VkViewportWScalingNV {
    fn default () -> VkViewportWScalingNV {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure specifying parameters of a newly created pipeline viewport W scaling state
#[repr(C)]
pub struct VkPipelineViewportWScalingStateCreateInfoNV {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the enable for viewport W scaling
    pub viewportWScalingEnable: VkBool32,
    /// the number of viewports used by W scaling and must: match the number of viewports in the pipeline if viewport W scaling is enabled
    pub viewportCount: u32,
    /// a pointer to an array of `VkViewportWScalingNV` structures which define the W scaling parameters for the corresponding viewport
    pub pViewportWScalings: *const VkViewportWScalingNV,
}

impl Default for VkPipelineViewportWScalingStateCreateInfoNV {
    fn default () -> VkPipelineViewportWScalingStateCreateInfoNV {
        return unsafe {
            VkPipelineViewportWScalingStateCreateInfoNV {
                sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_W_SCALING_STATE_CREATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_direct_mode_display
// ----------------------------------

pub const VK_EXT_DIRECT_MODE_DISPLAY_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_DIRECT_MODE_DISPLAY_EXTENSION_NAME: &'static str = "VK_EXT_direct_mode_display";


// feature VK_EXT_acquire_xlib_display
// -----------------------------------

#[cfg(feature = "VK_USE_PLATFORM_XLIB_XRANDR_EXT")]
pub const VK_EXT_ACQUIRE_XLIB_DISPLAY_SPEC_VERSION: VkEnum = 1;
#[cfg(feature = "VK_USE_PLATFORM_XLIB_XRANDR_EXT")]
pub const VK_EXT_ACQUIRE_XLIB_DISPLAY_EXTENSION_NAME: &'static str = "VK_EXT_acquire_xlib_display";


// feature VK_EXT_display_surface_counter
// --------------------------------------

pub const VK_EXT_DISPLAY_SURFACE_COUNTER_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_DISPLAY_SURFACE_COUNTER_EXTENSION_NAME: &'static str = "VK_EXT_display_surface_counter";


/// Surface-relative counter types
pub type VkSurfaceCounterFlagBitsEXT = VkEnum;
pub const VK_SURFACE_COUNTER_VBLANK_EXT : VkSurfaceCounterFlagBitsEXT = 0x00000001;
pub const VK_SURFACE_COUNTER_FLAG_BITS_MAX_ENUM_EXT : VkSurfaceCounterFlagBitsEXT = 0x7FFFFFFF;
pub use self::VkSurfaceCounterFlagBitsEXT as VkSurfaceCounterFlagsEXT;

/// Structure describing capabilities of a surface
#[repr(C)]
pub struct VkSurfaceCapabilities2EXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *mut raw::c_void,
    pub minImageCount: u32,
    pub maxImageCount: u32,
    pub currentExtent: VkExtent2D,
    pub minImageExtent: VkExtent2D,
    pub maxImageExtent: VkExtent2D,
    pub maxImageArrayLayers: u32,
    pub supportedTransforms: VkSurfaceTransformFlagsKHR,
    pub currentTransform: VkSurfaceTransformFlagBitsKHR,
    pub supportedCompositeAlpha: VkCompositeAlphaFlagsKHR,
    pub supportedUsageFlags: VkImageUsageFlags,
    /// a bitfield containing one bit set for each surface counter type supported
    pub supportedSurfaceCounters: VkSurfaceCounterFlagsEXT,
}

impl Default for VkSurfaceCapabilities2EXT {
    fn default () -> VkSurfaceCapabilities2EXT {
        return unsafe {
            VkSurfaceCapabilities2EXT {
                sType: VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES2_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_display_control
// ------------------------------

pub const VK_EXT_DISPLAY_CONTROL_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_DISPLAY_CONTROL_EXTENSION_NAME: &'static str = "VK_EXT_display_control";


/// Possible power states for a VkDisplay
pub type VkDisplayPowerStateEXT = VkEnum;
pub const VK_DISPLAY_POWER_STATE_OFF_EXT : VkDisplayPowerStateEXT = 0;
pub const VK_DISPLAY_POWER_STATE_SUSPEND_EXT : VkDisplayPowerStateEXT = 1;
pub const VK_DISPLAY_POWER_STATE_ON_EXT : VkDisplayPowerStateEXT = 2;
pub const VK_DISPLAY_POWER_STATE_BEGIN_RANGE_EXT : VkDisplayPowerStateEXT = VK_DISPLAY_POWER_STATE_OFF_EXT;
pub const VK_DISPLAY_POWER_STATE_END_RANGE_EXT : VkDisplayPowerStateEXT = VK_DISPLAY_POWER_STATE_ON_EXT;
pub const VK_DISPLAY_POWER_STATE_RANGE_SIZE_EXT : VkDisplayPowerStateEXT = (VK_DISPLAY_POWER_STATE_ON_EXT as i32 - VK_DISPLAY_POWER_STATE_OFF_EXT as i32 + 1i32) as u32;
pub const VK_DISPLAY_POWER_STATE_MAX_ENUM_EXT : VkDisplayPowerStateEXT = 0x7FFFFFFF;

/// Events that can occur on a device object
pub type VkDeviceEventTypeEXT = VkEnum;
pub const VK_DEVICE_EVENT_TYPE_DISPLAY_HOTPLUG_EXT : VkDeviceEventTypeEXT = 0;
pub const VK_DEVICE_EVENT_TYPE_BEGIN_RANGE_EXT : VkDeviceEventTypeEXT = VK_DEVICE_EVENT_TYPE_DISPLAY_HOTPLUG_EXT;
pub const VK_DEVICE_EVENT_TYPE_END_RANGE_EXT : VkDeviceEventTypeEXT = VK_DEVICE_EVENT_TYPE_DISPLAY_HOTPLUG_EXT;
pub const VK_DEVICE_EVENT_TYPE_RANGE_SIZE_EXT : VkDeviceEventTypeEXT = (VK_DEVICE_EVENT_TYPE_DISPLAY_HOTPLUG_EXT as i32 - VK_DEVICE_EVENT_TYPE_DISPLAY_HOTPLUG_EXT as i32 + 1i32) as u32;
pub const VK_DEVICE_EVENT_TYPE_MAX_ENUM_EXT : VkDeviceEventTypeEXT = 0x7FFFFFFF;

/// Events that can occur on a display object
pub type VkDisplayEventTypeEXT = VkEnum;
pub const VK_DISPLAY_EVENT_TYPE_FIRST_PIXEL_OUT_EXT : VkDisplayEventTypeEXT = 0;
pub const VK_DISPLAY_EVENT_TYPE_BEGIN_RANGE_EXT : VkDisplayEventTypeEXT = VK_DISPLAY_EVENT_TYPE_FIRST_PIXEL_OUT_EXT;
pub const VK_DISPLAY_EVENT_TYPE_END_RANGE_EXT : VkDisplayEventTypeEXT = VK_DISPLAY_EVENT_TYPE_FIRST_PIXEL_OUT_EXT;
pub const VK_DISPLAY_EVENT_TYPE_RANGE_SIZE_EXT : VkDisplayEventTypeEXT = (VK_DISPLAY_EVENT_TYPE_FIRST_PIXEL_OUT_EXT as i32 - VK_DISPLAY_EVENT_TYPE_FIRST_PIXEL_OUT_EXT as i32 + 1i32) as u32;
pub const VK_DISPLAY_EVENT_TYPE_MAX_ENUM_EXT : VkDisplayEventTypeEXT = 0x7FFFFFFF;

/// Describe the power state of a display
#[repr(C)]
pub struct VkDisplayPowerInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the new power state of the display
    pub powerState: VkDisplayPowerStateEXT,
}

impl Default for VkDisplayPowerInfoEXT {
    fn default () -> VkDisplayPowerInfoEXT {
        return unsafe {
            VkDisplayPowerInfoEXT {
                sType: VK_STRUCTURE_TYPE_DISPLAY_POWER_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Describe a device event to create
#[repr(C)]
pub struct VkDeviceEventInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub deviceEvent: VkDeviceEventTypeEXT,
}

impl Default for VkDeviceEventInfoEXT {
    fn default () -> VkDeviceEventInfoEXT {
        return unsafe {
            VkDeviceEventInfoEXT {
                sType: VK_STRUCTURE_TYPE_DEVICE_EVENT_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Describe a display event to create
#[repr(C)]
pub struct VkDisplayEventInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    pub displayEvent: VkDisplayEventTypeEXT,
}

impl Default for VkDisplayEventInfoEXT {
    fn default () -> VkDisplayEventInfoEXT {
        return unsafe {
            VkDisplayEventInfoEXT {
                sType: VK_STRUCTURE_TYPE_DISPLAY_EVENT_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}

/// Specify the surface counters desired
#[repr(C)]
pub struct VkSwapchainCounterCreateInfoEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// a bitmask containing a bit set for each surface counter to enable for the swapchain
    pub surfaceCounters: VkSurfaceCounterFlagsEXT,
}

impl Default for VkSwapchainCounterCreateInfoEXT {
    fn default () -> VkSwapchainCounterCreateInfoEXT {
        return unsafe {
            VkSwapchainCounterCreateInfoEXT {
                sType: VK_STRUCTURE_TYPE_SWAPCHAIN_COUNTER_CREATE_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_GOOGLE_display_timing
// --------------------------------

pub const VK_GOOGLE_DISPLAY_TIMING_SPEC_VERSION: VkEnum = 1;
pub const VK_GOOGLE_DISPLAY_TIMING_EXTENSION_NAME: &'static str = "VK_GOOGLE_display_timing";

/// Structure containing the RC duration of a display
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkRefreshCycleDurationGOOGLE {
    /// the number of nanoseconds from the start of one refresh cycle to the next
    pub refreshDuration: u64,
}

impl Default for VkRefreshCycleDurationGOOGLE {
    fn default () -> VkRefreshCycleDurationGOOGLE {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// Structure containing timing information about a previously-presented image
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkPastPresentationTimingGOOGLE {
    /// an application-provided value that was given to a previous `vkQueuePresentKHR` command via `VkPresentTimeInfoGOOGLE::pname:presentID` (see below)
    pub presentID: u32,
    /// an application-provided value that was given to a previous `vkQueuePresentKHR` command via `VkPresentTimeInfoGOOGLE::pname:desiredPresentTime`
    pub desiredPresentTime: u64,
    /// the time when the image of the `swapchain` was actually displayed
    pub actualPresentTime: u64,
    /// the time when the image of the `swapchain` could have been displayed
    pub earliestPresentTime: u64,
    /// an indication of how early the `vkQueuePresentKHR` command was processed compared to how soon it needed to be processed, and still be presented at `earliestPresentTime`
    pub presentMargin: u64,
}

impl Default for VkPastPresentationTimingGOOGLE {
    fn default () -> VkPastPresentationTimingGOOGLE {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// The earliest time image should be presented
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkPresentTimeGOOGLE {
    /// an application-provided identification value, that can: be used with the results of `vkGetPastPresentationTimingGOOGLE,` in order to uniquely identify this present
    pub presentID: u32,
    pub desiredPresentTime: u64,
}

impl Default for VkPresentTimeGOOGLE {
    fn default () -> VkPresentTimeGOOGLE {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// The earliest time each image should be presented
#[repr(C)]
pub struct VkPresentTimesInfoGOOGLE {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the number of swapchains being presented to by this command
    pub swapchainCount: u32,
    /// `NULL` or a pointer to an array of `VkPresentTimeGOOGLE` elements with `swapchainCount` entries
    pub pTimes: *const VkPresentTimeGOOGLE,
}

impl Default for VkPresentTimesInfoGOOGLE {
    fn default () -> VkPresentTimesInfoGOOGLE {
        return unsafe {
            VkPresentTimesInfoGOOGLE {
                sType: VK_STRUCTURE_TYPE_PRESENT_TIMES_INFO_GOOGLE,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NV_sample_mask_override_coverage
// -------------------------------------------

pub const VK_NV_SAMPLE_MASK_OVERRIDE_COVERAGE_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_SAMPLE_MASK_OVERRIDE_COVERAGE_EXTENSION_NAME: &'static str = "VK_NV_sample_mask_override_coverage";


// feature VK_NV_geometry_shader_passthrough
// -----------------------------------------

pub const VK_NV_GEOMETRY_SHADER_PASSTHROUGH_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_GEOMETRY_SHADER_PASSTHROUGH_EXTENSION_NAME: &'static str = "VK_NV_geometry_shader_passthrough";


// feature VK_NV_viewport_array2
// -----------------------------

pub const VK_NV_VIEWPORT_ARRAY2_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_VIEWPORT_ARRAY2_EXTENSION_NAME: &'static str = "VK_NV_viewport_array2";


// feature VK_NVX_multiview_per_view_attributes
// --------------------------------------------

pub const VK_NVX_MULTIVIEW_PER_VIEW_ATTRIBUTES_SPEC_VERSION: VkEnum = 1;
pub const VK_NVX_MULTIVIEW_PER_VIEW_ATTRIBUTES_EXTENSION_NAME: &'static str = "VK_NVX_multiview_per_view_attributes";

/// Structure describing multiview limits that can be supported by an implementation
#[repr(C)]
pub struct VkPhysicalDeviceMultiviewPerViewAttributesPropertiesNVX {
    pub sType: VkStructureType,
    pub pNext: *mut raw::c_void,
    pub perViewPositionAllComponents: VkBool32,
}

impl Default for VkPhysicalDeviceMultiviewPerViewAttributesPropertiesNVX {
    fn default () -> VkPhysicalDeviceMultiviewPerViewAttributesPropertiesNVX {
        return unsafe {
            VkPhysicalDeviceMultiviewPerViewAttributesPropertiesNVX {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MULTIVIEW_PER_VIEW_ATTRIBUTES_PROPERTIES_NVX,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_NV_viewport_swizzle
// ------------------------------

pub const VK_NV_VIEWPORT_SWIZZLE_SPEC_VERSION: VkEnum = 1;
pub const VK_NV_VIEWPORT_SWIZZLE_EXTENSION_NAME: &'static str = "VK_NV_viewport_swizzle";


pub type VkViewportCoordinateSwizzleNV = VkEnum;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_POSITIVE_X_NV : VkViewportCoordinateSwizzleNV = 0;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_NEGATIVE_X_NV : VkViewportCoordinateSwizzleNV = 1;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_POSITIVE_Y_NV : VkViewportCoordinateSwizzleNV = 2;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_NEGATIVE_Y_NV : VkViewportCoordinateSwizzleNV = 3;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_POSITIVE_Z_NV : VkViewportCoordinateSwizzleNV = 4;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_NEGATIVE_Z_NV : VkViewportCoordinateSwizzleNV = 5;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_POSITIVE_W_NV : VkViewportCoordinateSwizzleNV = 6;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_NEGATIVE_W_NV : VkViewportCoordinateSwizzleNV = 7;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_BEGIN_RANGE_NV : VkViewportCoordinateSwizzleNV = VK_VIEWPORT_COORDINATE_SWIZZLE_POSITIVE_X_NV;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_END_RANGE_NV : VkViewportCoordinateSwizzleNV = VK_VIEWPORT_COORDINATE_SWIZZLE_NEGATIVE_W_NV;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_RANGE_SIZE_NV : VkViewportCoordinateSwizzleNV = (VK_VIEWPORT_COORDINATE_SWIZZLE_NEGATIVE_W_NV as i32 - VK_VIEWPORT_COORDINATE_SWIZZLE_POSITIVE_X_NV as i32 + 1i32) as u32;
pub const VK_VIEWPORT_COORDINATE_SWIZZLE_MAX_ENUM_NV : VkViewportCoordinateSwizzleNV = 0x7FFFFFFF;

pub use self::VkEnum as VkPipelineViewportSwizzleStateCreateFlagsNV;

/// Structure specifying a viewport swizzle
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkViewportSwizzleNV {
    /// the swizzle operation to apply to the x component of the primitive
    pub x: VkViewportCoordinateSwizzleNV,
    /// the swizzle operation to apply to the y component of the primitive
    pub y: VkViewportCoordinateSwizzleNV,
    /// the swizzle operation to apply to the z component of the primitive
    pub z: VkViewportCoordinateSwizzleNV,
    /// the swizzle operation to apply to the w component of the primitive
    pub w: VkViewportCoordinateSwizzleNV,
}

impl Default for VkViewportSwizzleNV {
    fn default () -> VkViewportSwizzleNV {
        return unsafe { ::std::mem::zeroed() };
    }
}

#[repr(C)]
pub struct VkPipelineViewportSwizzleStateCreateInfoNV {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub flags: VkPipelineViewportSwizzleStateCreateFlagsNV,
    pub viewportCount: u32,
    pub pViewportSwizzles: *const VkViewportSwizzleNV,
}

impl Default for VkPipelineViewportSwizzleStateCreateInfoNV {
    fn default () -> VkPipelineViewportSwizzleStateCreateInfoNV {
        return unsafe {
            VkPipelineViewportSwizzleStateCreateInfoNV {
                sType: VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_SWIZZLE_STATE_CREATE_INFO_NV,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_discard_rectangles
// ---------------------------------

pub const VK_EXT_DISCARD_RECTANGLES_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_DISCARD_RECTANGLES_EXTENSION_NAME: &'static str = "VK_EXT_discard_rectangles";


pub type VkDiscardRectangleModeEXT = VkEnum;
pub const VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT : VkDiscardRectangleModeEXT = 0;
pub const VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT : VkDiscardRectangleModeEXT = 1;
pub const VK_DISCARD_RECTANGLE_MODE_BEGIN_RANGE_EXT : VkDiscardRectangleModeEXT = VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT;
pub const VK_DISCARD_RECTANGLE_MODE_END_RANGE_EXT : VkDiscardRectangleModeEXT = VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT;
pub const VK_DISCARD_RECTANGLE_MODE_RANGE_SIZE_EXT : VkDiscardRectangleModeEXT = (VK_DISCARD_RECTANGLE_MODE_EXCLUSIVE_EXT as i32 - VK_DISCARD_RECTANGLE_MODE_INCLUSIVE_EXT as i32 + 1i32) as u32;
pub const VK_DISCARD_RECTANGLE_MODE_MAX_ENUM_EXT : VkDiscardRectangleModeEXT = 0x7FFFFFFF;

pub use self::VkEnum as VkPipelineDiscardRectangleStateCreateFlagsEXT;

/// Structure describing discard rectangle limits that can be supported by an implementation
#[repr(C)]
pub struct VkPhysicalDeviceDiscardRectanglePropertiesEXT {
    pub sType: VkStructureType,
    pub pNext: *mut raw::c_void,
    pub maxDiscardRectangles: u32,
}

impl Default for VkPhysicalDeviceDiscardRectanglePropertiesEXT {
    fn default () -> VkPhysicalDeviceDiscardRectanglePropertiesEXT {
        return unsafe {
            VkPhysicalDeviceDiscardRectanglePropertiesEXT {
                sType: VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DISCARD_RECTANGLE_PROPERTIES_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}

#[repr(C)]
pub struct VkPipelineDiscardRectangleStateCreateInfoEXT {
    pub sType: VkStructureType,
    pub pNext: *const raw::c_void,
    pub flags: VkPipelineDiscardRectangleStateCreateFlagsEXT,
    pub discardRectangleMode: VkDiscardRectangleModeEXT,
    pub discardRectangleCount: u32,
    pub pDiscardRectangles: *const VkRect2D,
}

impl Default for VkPipelineDiscardRectangleStateCreateInfoEXT {
    fn default () -> VkPipelineDiscardRectangleStateCreateInfoEXT {
        return unsafe {
            VkPipelineDiscardRectangleStateCreateInfoEXT {
                sType: VK_STRUCTURE_TYPE_PIPELINE_DISCARD_RECTANGLE_STATE_CREATE_INFO_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_EXT_swapchain_colorspace
// -----------------------------------

pub const VK_EXT_SWAPCHAIN_COLOR_SPACE_SPEC_VERSION: VkEnum = 2;
pub const VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME: &'static str = "VK_EXT_swapchain_colorspace";


// feature VK_EXT_hdr_metadata
// ---------------------------

pub const VK_EXT_HDR_METADATA_SPEC_VERSION: VkEnum = 1;
pub const VK_EXT_HDR_METADATA_EXTENSION_NAME: &'static str = "VK_EXT_hdr_metadata";

/// structure to specify X,Y chromaticity coordinates
#[derive(Copy,Clone)]
#[repr(C)]
pub struct VkXYColorEXT {
    pub x: f32,
    pub y: f32,
}

impl Default for VkXYColorEXT {
    fn default () -> VkXYColorEXT {
        return unsafe { ::std::mem::zeroed() };
    }
}

/// structure to specify Hdr metadata
#[repr(C)]
pub struct VkHdrMetadataEXT {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// the mastering display's red primary in chromaticity coordinates
    pub displayPrimaryRed: VkXYColorEXT,
    /// the mastering display's green primary in chromaticity coordinates
    pub displayPrimaryGreen: VkXYColorEXT,
    /// the mastering display's blue primary in chromaticity coordinates
    pub displayPrimaryBlue: VkXYColorEXT,
    /// the mastering display's white-point in chromaticity coordinates
    pub whitePoint: VkXYColorEXT,
    /// the maximum luminance of the mastering display in nits
    pub maxLuminance: f32,
    /// the minimum luminance of the mastering display in nits
    pub minLuminance: f32,
    /// content's maximum luminance in nits
    pub maxContentLightLevel: f32,
    /// the maximum frame average light level in nits
    pub maxFrameAverageLightLevel: f32,
}

impl Default for VkHdrMetadataEXT {
    fn default () -> VkHdrMetadataEXT {
        return unsafe {
            VkHdrMetadataEXT {
                sType: VK_STRUCTURE_TYPE_HDR_METADATA_EXT,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_MVK_ios_surface
// --------------------------

#[cfg(feature = "VK_USE_PLATFORM_IOS_MVK")]
pub const VK_MVK_IOS_SURFACE_SPEC_VERSION: VkEnum = 2;
#[cfg(feature = "VK_USE_PLATFORM_IOS_MVK")]
pub const VK_MVK_IOS_SURFACE_EXTENSION_NAME: &'static str = "VK_MVK_ios_surface";

#[cfg(feature = "VK_USE_PLATFORM_IOS_MVK")]
pub use self::VkEnum as VkIOSSurfaceCreateFlagsMVK;

/// Structure specifying parameters of a newly created iOS surface object
#[cfg(feature = "VK_USE_PLATFORM_IOS_MVK")]
#[repr(C)]
pub struct VkIOSSurfaceCreateInfoMVK {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkIOSSurfaceCreateFlagsMVK,
    /// a reference to a `UIView` object which will display this surface
    pub pView: *const raw::c_void,
}

#[cfg(feature = "VK_USE_PLATFORM_IOS_MVK")]
impl Default for VkIOSSurfaceCreateInfoMVK {
    fn default () -> VkIOSSurfaceCreateInfoMVK {
        return unsafe {
            VkIOSSurfaceCreateInfoMVK {
                sType: VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK,
                ..::std::mem::zeroed()
            }
        };
    }
}



// feature VK_MVK_macos_surface
// ----------------------------

#[cfg(feature = "VK_USE_PLATFORM_MACOS_MVK")]
pub const VK_MVK_MACOS_SURFACE_SPEC_VERSION: VkEnum = 2;
#[cfg(feature = "VK_USE_PLATFORM_MACOS_MVK")]
pub const VK_MVK_MACOS_SURFACE_EXTENSION_NAME: &'static str = "VK_MVK_macos_surface";

#[cfg(feature = "VK_USE_PLATFORM_MACOS_MVK")]
pub use self::VkEnum as VkMacOSSurfaceCreateFlagsMVK;

/// Structure specifying parameters of a newly created macOS surface object
#[cfg(feature = "VK_USE_PLATFORM_MACOS_MVK")]
#[repr(C)]
pub struct VkMacOSSurfaceCreateInfoMVK {
    /// the type of this structure
    pub sType: VkStructureType,
    /// `NULL` or a pointer to an extension-specific structure
    pub pNext: *const raw::c_void,
    /// reserved for future use
    pub flags: VkMacOSSurfaceCreateFlagsMVK,
    /// a reference to a `NSView` object which will display this surface
    pub pView: *const raw::c_void,
}

#[cfg(feature = "VK_USE_PLATFORM_MACOS_MVK")]
impl Default for VkMacOSSurfaceCreateInfoMVK {
    fn default () -> VkMacOSSurfaceCreateInfoMVK {
        return unsafe {
            VkMacOSSurfaceCreateInfoMVK {
                sType: VK_STRUCTURE_TYPE_MACOS_SURFACE_CREATE_INFO_MVK,
                ..::std::mem::zeroed()
            }
        };
    }
}