vulkan_raw 0.1.9

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  1. Almost names are the same as the Vulkan C API. But for some simplification reasons, a little change must be taken. The enum variant name is changed to without VK_ prefix and enum name. For example the VkFormat.VK_FORMAT_UNDEFINED is changed to VkFormat::UNDEFINED. Because of language limitations, some exceptions exist. They are the following:

    C version Corresponding vulkan_raw version
    VkQueryResultFlagBits.VK_QUERY_RESULT_64_BIT VkQueryResultFlagBits::U64_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_1_BIT VkSampleCountFlagBits::SC_1_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_2_BIT VkSampleCountFlagBits::SC_2_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_4_BIT VkSampleCountFlagBits::SC_4_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_8_BIT VkSampleCountFlagBits::SC_8_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_16_BIT VkSampleCountFlagBits::SC_16_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_32_BIT VkSampleCountFlagBits::SC_32_BIT
    VkSampleCountFlagBits.VK_SAMPLE_COUNT_64_BIT VkSampleCountFlagBits::SC_64_BIT
    VkImageType.VK_IMAGE_TYPE_1D VkImageType::IT_1D
    VkImageType.VK_IMAGE_TYPE_2D VkImageType::IT_2D
    VkImageType.VK_IMAGE_TYPE_3D VkImageType::IT_3D
    VkImageViewType.VK_IMAGE_VIEW_TYPE_1D VkImageViewType::IVT_1D
    VkImageViewType.VK_IMAGE_VIEW_TYPE_2D VkImageViewType::IVT_2D
    VkImageViewType.VK_IMAGE_VIEW_TYPE_3D VkImageViewType::IVT_3D
    VkImageViewType.VK_IMAGE_VIEW_TYPE_1D_ARRAY VkImageViewType::IVT_1D_ARRAY
    VkImageViewType.VK_IMAGE_VIEW_TYPE_2D_ARRAY VkImageViewType::IVT_2D_ARRAY
    VkShaderFloatControlsIndependence.VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_32_BIT_ONLY VkShaderFloatControlsIndependence::F32_BIT_ONLY
  2. Most functions must need to obtain a corresponding function pointer before use. We provide InstanceLevelFunctions object and/or DeviceLevelFunctions object to do this on every module, each one corresponding to the module's functions set. The InstanceLevelFunctions only can be loaded from VkInstance, but the DeviceLevelFunctions also can be loaded from VkDevice.

  3. All structures have Debug trait and Default trait. You don't need to set the sType field manually if it contains.


use std::ffi::CStr;
use std::ptr;
use vulkan_raw::*;

fn main() {
    let mut instance_version: u32 = 0;
    unsafe { vkEnumerateInstanceVersion(&mut instance_version) };
    println!("Instance version: {}", ApiVersion::from(instance_version));

    // Create Vulkan instance
    let app_info = VkApplicationInfo {
        apiVersion: ApiVersion::new(1, 2, 0).into(),
    let create_info = VkInstanceCreateInfo {
        pApplicationInfo: &app_info,
    let mut instance: VkInstance = VkInstance::none();
    let result = unsafe { vkCreateInstance(&create_info, ptr::null(), &mut instance) };
    assert_eq!(result, VkResult::SUCCESS);

    let functions = InstanceLevelFunctions::load_from_instance(instance);

    // Enumerate all devices
    let mut count: u32 = 0;
    let result =
        unsafe { functions.vkEnumeratePhysicalDevices(instance, &mut count, ptr::null_mut()) };
    assert_eq!(result, VkResult::SUCCESS);

    let mut physical_devices: Vec<VkPhysicalDevice> = Vec::with_capacity(count as usize);
    let result = unsafe {
        functions.vkEnumeratePhysicalDevices(instance, &mut count, physical_devices.as_mut_ptr())
    assert_eq!(result, VkResult::SUCCESS);
    unsafe {
        physical_devices.set_len(count as usize);

    let mut physical_device_properties = Default::default();
    for physical_device in physical_devices {
        unsafe {
                .vkGetPhysicalDeviceProperties2(physical_device, &mut physical_device_properties);
            "Physical Device: {}; \
            Supported vulkan version: {}",
            unsafe { CStr::from_ptr( }

    unsafe { functions.vkDestroyInstance(instance, ptr::null()) };

Supported API

  • Vulkan 1.2 core API
  • VK_KHR_external_fence_fd(Revision: 1)
  • VK_KHR_external_fence_win32(Revision: 1)
  • VK_KHR_surface(Revision: 25)
  • VK_KHR_swapchain(Revision: 70)
  • VK_KHR_win32_surface(Revision: 6)
  • VK_KHR_pipeline_library(Revision: 1)
  • VK_KHR_deferred_host_operations(Revision: 4)
  • VK_KHR_acceleration_structure(Revision: 13)
  • VK_KHR_ray_tracing_pipeline(Revision: 1)
  • VK_KHR_ray_query(Revision: 1)
  • VK_EXT_debug_utils(Revision: 2)
  • VK_EXT_index_type_uint8(Revision: 1)
  • VK_EXT_memory_budget(Revision: 1)