vulkan-driver/src/lib.rs

   1 // SPDX-License-Identifier: LGPL-2.1-or-later
   2 // Copyright 2018 Jacob Lifshay
   3 #[macro_use]
   4 extern crate enum_map;
   5 #[cfg(unix)]
   6 extern crate errno;
   7 #[cfg(unix)]
   8 extern crate libc;
   9 extern crate sys_info;
  10 extern crate uuid;
  11 #[cfg(unix)]
  12 extern crate xcb;
  13 mod api;
  14 mod api_impl;
  15 mod handle;
  16 mod image;
  17 #[cfg(unix)]
  18 mod shm;
  19 mod swapchain;
  20 #[cfg(unix)]
  21 mod xcb_swapchain;
  22 use std::ffi::CStr;
  23 use std::os::raw::c_char;
  24
  25 mod constants {
  26     pub const KAZAN_DEVICE_NAME: &'static str = "Kazan Software Renderer";
  27     pub const MIN_MEMORY_MAP_ALIGNMENT: usize = 128; // must be at least 64 and a power of 2 according to Vulkan spec
  28     pub const QUEUE_FAMILY_COUNT: u32 = 1;
  29     pub const QUEUE_COUNTS: [u32; QUEUE_FAMILY_COUNT as usize] = [1];
  30     pub const TOTAL_QUEUE_COUNT: usize = 1;
  31 }
  32
  33 #[no_mangle]
  34 pub unsafe extern "system" fn vk_icdGetInstanceProcAddr(
  35     instance: api::VkInstance,
  36     name: *const c_char,
  37 ) -> api::PFN_vkVoidFunction {
  38     api_impl::vkGetInstanceProcAddr(instance, name)
  39 }
  40
  41 // note that if the following fails, then you may be encountering bindgen issue #1402
  42 // https://github.com/rust-lang-nursery/rust-bindgen/issues/1402
  43 #[allow(dead_code)]
  44 const ASSERT_TYPE_VK_ICD_GET_INSTANCE_PROC_ADDR: api::PFN_vkGetInstanceProcAddr =
  45     Some(vk_icdGetInstanceProcAddr);
  46
  47 const ICD_VERSION: u32 = 5;
  48
  49 #[no_mangle]
  50 pub unsafe extern "system" fn vk_icdNegotiateLoaderICDInterfaceVersion(
  51     supported_version: *mut u32,
  52 ) -> api::VkResult {
  53     if *supported_version > ICD_VERSION {
  54         *supported_version = ICD_VERSION;
  55     }
  56     api::VK_SUCCESS
  57 }
  58
  59 #[allow(dead_code)]
  60 const ASSERT_TYPE_VK_ICD_NEGOTIATE_LOADER_ICD_INTERFACE_VERSION:
  61     api::PFN_vkNegotiateLoaderICDInterfaceVersion = Some(vk_icdNegotiateLoaderICDInterfaceVersion);
  62
  63 #[no_mangle]
  64 pub unsafe extern "system" fn vk_icdGetPhysicalDeviceProcAddr(
  65     instance: api::VkInstance,
  66     name: *const c_char,
  67 ) -> api::PFN_vkVoidFunction {
  68     match CStr::from_ptr(name).to_str().ok()? {
  69         "vkCreateDevice"
  70         | "vkCreateDisplayModeKHR"
  71         | "vkEnumerateDeviceExtensionProperties"
  72         | "vkEnumerateDeviceLayerProperties"
  73         | "vkGetDisplayModeProperties2KHR"
  74         | "vkGetDisplayModePropertiesKHR"
  75         | "vkGetDisplayPlaneCapabilities2KHR"
  76         | "vkGetDisplayPlaneCapabilitiesKHR"
  77         | "vkGetDisplayPlaneSupportedDisplaysKHR"
  78         | "vkGetPhysicalDeviceDisplayPlaneProperties2KHR"
  79         | "vkGetPhysicalDeviceDisplayPlanePropertiesKHR"
  80         | "vkGetPhysicalDeviceDisplayProperties2KHR"
  81         | "vkGetPhysicalDeviceDisplayPropertiesKHR"
  82         | "vkGetPhysicalDeviceExternalBufferProperties"
  83         | "vkGetPhysicalDeviceExternalBufferPropertiesKHR"
  84         | "vkGetPhysicalDeviceExternalFenceProperties"
  85         | "vkGetPhysicalDeviceExternalFencePropertiesKHR"
  86         | "vkGetPhysicalDeviceExternalImageFormatPropertiesNV"
  87         | "vkGetPhysicalDeviceExternalSemaphoreProperties"
  88         | "vkGetPhysicalDeviceExternalSemaphorePropertiesKHR"
  89         | "vkGetPhysicalDeviceFeatures"
  90         | "vkGetPhysicalDeviceFeatures2"
  91         | "vkGetPhysicalDeviceFeatures2KHR"
  92         | "vkGetPhysicalDeviceFormatProperties"
  93         | "vkGetPhysicalDeviceFormatProperties2"
  94         | "vkGetPhysicalDeviceFormatProperties2KHR"
  95         | "vkGetPhysicalDeviceGeneratedCommandsPropertiesNVX"
  96         | "vkGetPhysicalDeviceImageFormatProperties"
  97         | "vkGetPhysicalDeviceImageFormatProperties2"
  98         | "vkGetPhysicalDeviceImageFormatProperties2KHR"
  99         | "vkGetPhysicalDeviceMemoryProperties"
 100         | "vkGetPhysicalDeviceMemoryProperties2"
 101         | "vkGetPhysicalDeviceMemoryProperties2KHR"
 102         | "vkGetPhysicalDeviceMultisamplePropertiesEXT"
 103         | "vkGetPhysicalDevicePresentRectanglesKHR"
 104         | "vkGetPhysicalDeviceProperties"
 105         | "vkGetPhysicalDeviceProperties2"
 106         | "vkGetPhysicalDeviceProperties2KHR"
 107         | "vkGetPhysicalDeviceQueueFamilyProperties"
 108         | "vkGetPhysicalDeviceQueueFamilyProperties2"
 109         | "vkGetPhysicalDeviceQueueFamilyProperties2KHR"
 110         | "vkGetPhysicalDeviceSparseImageFormatProperties"
 111         | "vkGetPhysicalDeviceSparseImageFormatProperties2"
 112         | "vkGetPhysicalDeviceSparseImageFormatProperties2KHR"
 113         | "vkGetPhysicalDeviceSurfaceCapabilities2EXT"
 114         | "vkGetPhysicalDeviceSurfaceCapabilities2KHR"
 115         | "vkGetPhysicalDeviceSurfaceCapabilitiesKHR"
 116         | "vkGetPhysicalDeviceSurfaceFormats2KHR"
 117         | "vkGetPhysicalDeviceSurfaceFormatsKHR"
 118         | "vkGetPhysicalDeviceSurfacePresentModesKHR"
 119         | "vkGetPhysicalDeviceSurfaceSupportKHR"
 120         | "vkGetPhysicalDeviceXcbPresentationSupportKHR"
 121         | "vkReleaseDisplayEXT" => vk_icdGetInstanceProcAddr(instance, name),
 122         _ => None,
 123     }
 124 }
 125
 126 #[allow(dead_code)]
 127 const ASSERT_TYPE_VK_ICD_GET_PHYSICAL_DEVICE_PROC_ADDR: api::PFN_GetPhysicalDeviceProcAddr =
 128     Some(vk_icdGetInstanceProcAddr);
 129
 130 #[cfg(test)]
 131 mod tests {}