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#![allow(dead_code)]
#![allow(non_camel_case_types, non_snake_case)]

use libc::{c_void, c_char, size_t, c_float};

use super::types::*;

pub type VkSurfaceTransformFlagsKHR = VkFlags;
pub type VkCompositeAlphaFlagsKHR = VkFlags;
pub type VkSwapchainCreateFlagsKHR = VkFlags;

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkDeviceAddress.html
pub type VkDeviceAddress = u64;

#[repr(C)]
pub struct VkSurfaceKHROpaque { _private: [u8; 0] }
pub type VkSurfaceKHR = *mut VkSurfaceKHROpaque;

#[repr(C)]
pub struct VkSwapchainKHROpaque { _private: [u8; 0] }
pub type VkSwapchainKHR = *mut VkSwapchainKHROpaque;

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkSurfaceTransformFlagBitsKHR.html
#[repr(C)]
pub enum VkSurfaceTransformFlagBitsKHR {
    VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR = 0x00000001,
    VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR = 0x00000002,
    VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR = 0x00000004,
    VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR = 0x00000008,
    VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_BIT_KHR = 0x00000010,
    VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR = 0x00000020,
    VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_180_BIT_KHR = 0x00000040,
    VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR = 0x00000080,
    VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR = 0x00000100,
    VK_SURFACE_TRANSFORM_FLAG_BITS_MAX_ENUM_KHR = 0x7FFFFFFF,
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkSurfaceCapabilitiesKHR.html
#[repr(C)]
pub struct VkSurfaceCapabilitiesKHR {
    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,
}

#[repr(C)]
pub enum VkStructureTypeExt {
    VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR = 1000005000,
    VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR = 1000001000,
    VK_STRUCTURE_TYPE_PRESENT_INFO_KHR = 1000001001,
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkSurfaceFormatKHR.html
#[repr(C)]
#[derive(Clone)]
#[derive(Debug)]
pub struct VkSurfaceFormatKHR {
    pub format: VkFormat,
    pub colorSpace: VkColorSpaceKHR,
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkColorSpaceKHR.html
#[repr(C)]
#[derive(Clone, Copy)]
#[derive(Debug, PartialEq, Eq)]
pub enum VkColorSpaceKHR {
    VK_COLOR_SPACE_SRGB_NONLINEAR_KHR = 0,
    VK_COLOR_SPACE_DISPLAY_P3_NONLINEAR_EXT = 1000104001,
    VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT = 1000104002,
    VK_COLOR_SPACE_DISPLAY_P3_LINEAR_EXT = 1000104003,
    VK_COLOR_SPACE_DCI_P3_NONLINEAR_EXT = 1000104004,
    VK_COLOR_SPACE_BT709_LINEAR_EXT = 1000104005,
    VK_COLOR_SPACE_BT709_NONLINEAR_EXT = 1000104006,
    VK_COLOR_SPACE_BT2020_LINEAR_EXT = 1000104007,
    VK_COLOR_SPACE_HDR10_ST2084_EXT = 1000104008,
    VK_COLOR_SPACE_DOLBYVISION_EXT = 1000104009,
    VK_COLOR_SPACE_HDR10_HLG_EXT = 1000104010,
    VK_COLOR_SPACE_ADOBERGB_LINEAR_EXT = 1000104011,
    VK_COLOR_SPACE_ADOBERGB_NONLINEAR_EXT = 1000104012,
    VK_COLOR_SPACE_PASS_THROUGH_EXT = 1000104013,
    VK_COLOR_SPACE_EXTENDED_SRGB_NONLINEAR_EXT = 1000104014,
    VK_COLOR_SPACE_DISPLAY_NATIVE_AMD = 1000213000,
    VK_COLOR_SPACE_MAX_ENUM_KHR = 0x7FFFFFFF,
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkPresentModeKHR.html
#[repr(C)]
#[derive(Clone)]
#[derive(Debug, PartialEq, Eq)]
pub enum VkPresentModeKHR {
    VK_PRESENT_MODE_IMMEDIATE_KHR = 0,
    VK_PRESENT_MODE_MAILBOX_KHR = 1,
    VK_PRESENT_MODE_FIFO_KHR = 2,
    VK_PRESENT_MODE_FIFO_RELAXED_KHR = 3,
    VK_PRESENT_MODE_SHARED_DEMAND_REFRESH_KHR = 1000111000,
    VK_PRESENT_MODE_SHARED_CONTINUOUS_REFRESH_KHR = 1000111001,
    VK_PRESENT_MODE_MAX_ENUM_KHR = 0x7FFFFFFF,
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkCompositeAlphaFlagBitsKHR.html
#[repr(C)]
#[derive(Clone)]
#[derive(Debug, PartialEq, Eq)]
pub enum VkCompositeAlphaFlagBitsKHR {
    VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR = 0x00000001,
    VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR = 0x00000002,
    VK_COMPOSITE_ALPHA_POST_MULTIPLIED_BIT_KHR = 0x00000004,
    VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR = 0x00000008,
    VK_COMPOSITE_ALPHA_FLAG_BITS_MAX_ENUM_KHR = 0x7FFFFFFF
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkSwapchainCreateInfoKHR.html
#[repr(C)]
pub struct VkSwapchainCreateInfoKHR {
    pub sType: VkStructureTypeExt,
    pub pNext: *const c_void,
    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,
}

// @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkPresentInfoKHR.html
#[repr(C)]
pub struct VkPresentInfoKHR {
    pub sType: VkStructureTypeExt,
    pub pNext: *const c_void,
    pub waitSemaphoreCount: u32,
    pub pWaitSemaphores: *const VkSemaphore,
    pub swapchainCount: u32,
    pub pSwapchains: *const VkSwapchainKHR,
    pub pImageIndices: *const u32,
    pub pResults: *mut VkResult,
}

#[link(name = "vulkan")]
extern "C" {
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPhysicalDeviceSurfaceCapabilitiesKHR.html
    pub fn vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
        physicalDevice: VkPhysicalDevice,
        surface: VkSurfaceKHR,
        pSurfaceCapabilities: *mut VkSurfaceCapabilitiesKHR,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkDestroySurfaceKHR.html
    pub fn vkDestroySurfaceKHR(
        instance: VkInstance,
        surface: VkSurfaceKHR,
        pAllocator: *const VkAllocationCallbacks,
    );
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPhysicalDeviceSurfaceFormatsKHR.html
    pub fn vkGetPhysicalDeviceSurfaceFormatsKHR(
        physicalDevice: VkPhysicalDevice,
        surface: VkSurfaceKHR,
        pSurfaceFormatCount: *mut u32,
        pSurfaceFormats: *mut VkSurfaceFormatKHR,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPhysicalDeviceSurfacePresentModesKHR.html
    pub fn vkGetPhysicalDeviceSurfacePresentModesKHR(
        physicalDevice: VkPhysicalDevice,
        surface: VkSurfaceKHR,
        pPresentModeCount: *mut u32,
        pPresentModes: *mut VkPresentModeKHR,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPhysicalDeviceSurfaceSupportKHR.html
    pub fn vkGetPhysicalDeviceSurfaceSupportKHR(
        physicalDevice: VkPhysicalDevice,
        queueFamilyIndex: u32,
        surface: VkSurfaceKHR,
        pSupported: *mut VkBool32,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkCreateSwapchainKHR.html
    pub fn vkCreateSwapchainKHR(
        device: VkDevice,
        pCreateInfo: *const VkSwapchainCreateInfoKHR,
        pAllocator: *const VkAllocationCallbacks,
        pSwapchain: *mut VkSwapchainKHR,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkDestroySwapchainKHR.html
    pub fn vkDestroySwapchainKHR(
        device: VkDevice,
        swapchain: VkSwapchainKHR,
        pAllocator: *const VkAllocationCallbacks,
    );
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetSwapchainImagesKHR.html
    pub fn vkGetSwapchainImagesKHR(
        device: VkDevice,
        swapchain: VkSwapchainKHR,
        pSwapchainImageCount: *mut u32,
        pSwapchainImages: *mut VkImage,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkAcquireNextImageKHR.html
    pub fn vkAcquireNextImageKHR(
        device: VkDevice,
        swapchain: VkSwapchainKHR,
        timeout: u64,
        semaphore: VkSemaphore,
        fence: VkFence,
        pImageIndex: *mut u32,
    ) -> VkResult;
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkQueuePresentKHR.html
    pub fn vkQueuePresentKHR(
        queue: VkQueue,
        pPresentInfo: *const VkPresentInfoKHR,
    ) -> VkResult;
    // Provided by VK_VERSION_1_2
    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetBufferDeviceAddressKHR.html
    pub fn vkGetBufferDeviceAddress(
        device: VkDevice,
        pInfo: *const VkBufferDeviceAddressInfo,
    ) -> VkDeviceAddress;
}

mod xcb {
    use super::*;
    use crate::ffi::xcb::*;

    pub type VkXcbSurfaceCreateFlagsKHR = VkFlags;

    // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VkXcbSurfaceCreateInfoKHR.html
    #[repr(C)]
    pub struct VkXcbSurfaceCreateInfoKHR {
        pub sType: VkStructureTypeExt,
        pub pNext: *const c_void,
        pub flags: VkXcbSurfaceCreateFlagsKHR,
        pub connection: *const xcb_connection_t,
        pub window: xcb_window_t,
    }

    impl VkXcbSurfaceCreateInfoKHR {
        pub fn new(connection: *const xcb_connection_t, window: xcb_window_t) -> Self {
            Self {
                sType: VkStructureTypeExt::VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR,
                pNext: std::ptr::null(),
                flags: VK_FLAGS_NONE,
                connection,
                window,
            }
        }
    }
  
    #[link(name = "vulkan")]
    extern "C" {
        // @see https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkCreateXcbSurfaceKHR.html
        pub fn vkCreateXcbSurfaceKHR(
            instance: VkInstance,
            pCreateInfo: *const VkXcbSurfaceCreateInfoKHR,
            pAllocator: *const VkAllocationCallbacks,
            pSurface: *mut VkSurfaceKHR,
        ) -> VkResult;
    }
}

pub use xcb::*;