vulkan-driver/src/lib.rs

   1 // SPDX-License-Identifier: LGPL-2.1-or-later
   2 // Copyright 2018 Jacob Lifshay
   3 #![cfg_attr(feature = "cargo-clippy", allow(clippy::new_ret_no_self))]
   4 #[macro_use]
   5 extern crate enum_map;
   6 #[cfg(unix)]
   7 extern crate errno;
   8 #[cfg(unix)]
   9 extern crate libc;
  10 extern crate shader_compiler_backend;
  11 extern crate sys_info;
  12 extern crate uuid;
  13 #[cfg(unix)]
  14 extern crate xcb;
  15 mod api;
  16 mod api_impl;
  17 mod buffer;
  18 mod device_memory;
  19 mod handle;
  20 mod image;
  21 mod sampler;
  22 mod shader_module;
  23 #[cfg(unix)]
  24 mod shm;
  25 mod swapchain;
  26 #[cfg(unix)]
  27 mod xcb_swapchain;
  28 use std::ffi::CStr;
  29 use std::os::raw::c_char;
  30
  31 mod constants {
  32     pub const KAZAN_DEVICE_NAME: &str = "Kazan Software Renderer";
  33     pub const MIN_MEMORY_MAP_ALIGNMENT: usize = 128; // must be at least 64 and a power of 2 according to Vulkan spec
  34     pub const QUEUE_FAMILY_COUNT: u32 = 1;
  35     pub const QUEUE_COUNTS: [u32; QUEUE_FAMILY_COUNT as usize] = [1];
  36     pub const TOTAL_QUEUE_COUNT: usize = 1;
  37     pub const BUFFER_ALIGNMENT: usize = 64; // FIXME: determine correct value
  38     pub const IMAGE_ALIGNMENT: usize = 64; // FIXME: determine correct value
  39 }
  40
  41 #[no_mangle]
  42 pub unsafe extern "system" fn vk_icdGetInstanceProcAddr(
  43     instance: api::VkInstance,
  44     name: *const c_char,
  45 ) -> api::PFN_vkVoidFunction {
  46     api_impl::vkGetInstanceProcAddr(instance, name)
  47 }
  48
  49 // note that if the following fails, then you may be encountering bindgen issue #1402
  50 // https://github.com/rust-lang-nursery/rust-bindgen/issues/1402
  51 #[allow(dead_code)]
  52 const ASSERT_TYPE_VK_ICD_GET_INSTANCE_PROC_ADDR: api::PFN_vkGetInstanceProcAddr =
  53     Some(vk_icdGetInstanceProcAddr);
  54
  55 const ICD_VERSION: u32 = 5;
  56
  57 #[no_mangle]
  58 pub unsafe extern "system" fn vk_icdNegotiateLoaderICDInterfaceVersion(
  59     supported_version: *mut u32,
  60 ) -> api::VkResult {
  61     if *supported_version > ICD_VERSION {
  62         *supported_version = ICD_VERSION;
  63     }
  64     api::VK_SUCCESS
  65 }
  66
  67 #[allow(dead_code)]
  68 const ASSERT_TYPE_VK_ICD_NEGOTIATE_LOADER_ICD_INTERFACE_VERSION:
  69     api::PFN_vkNegotiateLoaderICDInterfaceVersion = Some(vk_icdNegotiateLoaderICDInterfaceVersion);
  70
  71 #[no_mangle]
  72 pub unsafe extern "system" fn vk_icdGetPhysicalDeviceProcAddr(
  73     instance: api::VkInstance,
  74     name: *const c_char,
  75 ) -> api::PFN_vkVoidFunction {
  76     match CStr::from_ptr(name).to_str().ok()? {
  77         "vkCreateDevice"
  78         | "vkCreateDisplayModeKHR"
  79         | "vkEnumerateDeviceExtensionProperties"
  80         | "vkEnumerateDeviceLayerProperties"
  81         | "vkGetDisplayModeProperties2KHR"
  82         | "vkGetDisplayModePropertiesKHR"
  83         | "vkGetDisplayPlaneCapabilities2KHR"
  84         | "vkGetDisplayPlaneCapabilitiesKHR"
  85         | "vkGetDisplayPlaneSupportedDisplaysKHR"
  86         | "vkGetPhysicalDeviceDisplayPlaneProperties2KHR"
  87         | "vkGetPhysicalDeviceDisplayPlanePropertiesKHR"
  88         | "vkGetPhysicalDeviceDisplayProperties2KHR"
  89         | "vkGetPhysicalDeviceDisplayPropertiesKHR"
  90         | "vkGetPhysicalDeviceExternalBufferProperties"
  91         | "vkGetPhysicalDeviceExternalBufferPropertiesKHR"
  92         | "vkGetPhysicalDeviceExternalFenceProperties"
  93         | "vkGetPhysicalDeviceExternalFencePropertiesKHR"
  94         | "vkGetPhysicalDeviceExternalImageFormatPropertiesNV"
  95         | "vkGetPhysicalDeviceExternalSemaphoreProperties"
  96         | "vkGetPhysicalDeviceExternalSemaphorePropertiesKHR"
  97         | "vkGetPhysicalDeviceFeatures"
  98         | "vkGetPhysicalDeviceFeatures2"
  99         | "vkGetPhysicalDeviceFeatures2KHR"
 100         | "vkGetPhysicalDeviceFormatProperties"
 101         | "vkGetPhysicalDeviceFormatProperties2"
 102         | "vkGetPhysicalDeviceFormatProperties2KHR"
 103         | "vkGetPhysicalDeviceGeneratedCommandsPropertiesNVX"
 104         | "vkGetPhysicalDeviceImageFormatProperties"
 105         | "vkGetPhysicalDeviceImageFormatProperties2"
 106         | "vkGetPhysicalDeviceImageFormatProperties2KHR"
 107         | "vkGetPhysicalDeviceMemoryProperties"
 108         | "vkGetPhysicalDeviceMemoryProperties2"
 109         | "vkGetPhysicalDeviceMemoryProperties2KHR"
 110         | "vkGetPhysicalDeviceMultisamplePropertiesEXT"
 111         | "vkGetPhysicalDevicePresentRectanglesKHR"
 112         | "vkGetPhysicalDeviceProperties"
 113         | "vkGetPhysicalDeviceProperties2"
 114         | "vkGetPhysicalDeviceProperties2KHR"
 115         | "vkGetPhysicalDeviceQueueFamilyProperties"
 116         | "vkGetPhysicalDeviceQueueFamilyProperties2"
 117         | "vkGetPhysicalDeviceQueueFamilyProperties2KHR"
 118         | "vkGetPhysicalDeviceSparseImageFormatProperties"
 119         | "vkGetPhysicalDeviceSparseImageFormatProperties2"
 120         | "vkGetPhysicalDeviceSparseImageFormatProperties2KHR"
 121         | "vkGetPhysicalDeviceSurfaceCapabilities2EXT"
 122         | "vkGetPhysicalDeviceSurfaceCapabilities2KHR"
 123         | "vkGetPhysicalDeviceSurfaceCapabilitiesKHR"
 124         | "vkGetPhysicalDeviceSurfaceFormats2KHR"
 125         | "vkGetPhysicalDeviceSurfaceFormatsKHR"
 126         | "vkGetPhysicalDeviceSurfacePresentModesKHR"
 127         | "vkGetPhysicalDeviceSurfaceSupportKHR"
 128         | "vkGetPhysicalDeviceXcbPresentationSupportKHR"
 129         | "vkReleaseDisplayEXT" => vk_icdGetInstanceProcAddr(instance, name),
 130         _ => None,
 131     }
 132 }
 133
 134 #[allow(dead_code)]
 135 const ASSERT_TYPE_VK_ICD_GET_PHYSICAL_DEVICE_PROC_ADDR: api::PFN_GetPhysicalDeviceProcAddr =
 136     Some(vk_icdGetInstanceProcAddr);
 137
 138 #[cfg(test)]
 139 mod tests {}