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(target_os = "linux")]
   7 extern crate errno;
   8 #[cfg(target_os = "linux")]
   9 extern crate libc;
  10 extern crate shader_compiler_backend;
  11 extern crate shader_compiler_backend_llvm_7;
  12 extern crate spirv_parser;
  13 extern crate sys_info;
  14 extern crate uuid;
  15 #[cfg(target_os = "linux")]
  16 extern crate xcb;
  17 #[macro_use]
  18 mod util;
  19 mod api;
  20 mod api_impl;
  21 mod buffer;
  22 mod descriptor_set;
  23 mod device_memory;
  24 mod handle;
  25 mod image;
  26 mod pipeline;
  27 mod render_pass;
  28 mod sampler;
  29 mod shader_module;
  30 #[cfg(target_os = "linux")]
  31 mod shm;
  32 mod swapchain;
  33 #[cfg(target_os = "linux")]
  34 mod xcb_swapchain;
  35 use std::ffi::CStr;
  36 use std::os::raw::c_char;
  37
  38 mod constants {
  39     pub const KAZAN_DEVICE_NAME: &str = "Kazan Software Renderer";
  40     pub const MIN_MEMORY_MAP_ALIGNMENT: usize = 128; // must be at least 64 and a power of 2 according to Vulkan spec
  41     pub const QUEUE_FAMILY_COUNT: u32 = 1;
  42     pub const QUEUE_COUNTS: [u32; QUEUE_FAMILY_COUNT as usize] = [1];
  43     pub const TOTAL_QUEUE_COUNT: usize = 1;
  44     pub const BUFFER_ALIGNMENT: usize = 64; // FIXME: determine correct value
  45     pub const IMAGE_ALIGNMENT: usize = 64; // FIXME: determine correct value
  46 }
  47
  48 #[no_mangle]
  49 pub unsafe extern "system" fn vk_icdGetInstanceProcAddr(
  50     instance: api::VkInstance,
  51     name: *const c_char,
  52 ) -> api::PFN_vkVoidFunction {
  53     api_impl::vkGetInstanceProcAddr(instance, name)
  54 }
  55
  56 // note that if the following fails, then you may be encountering bindgen issue #1402
  57 // https://github.com/rust-lang-nursery/rust-bindgen/issues/1402
  58 #[allow(dead_code)]
  59 const ASSERT_TYPE_VK_ICD_GET_INSTANCE_PROC_ADDR: api::PFN_vkGetInstanceProcAddr =
  60     Some(vk_icdGetInstanceProcAddr);
  61
  62 const ICD_VERSION: u32 = 5;
  63
  64 #[no_mangle]
  65 pub unsafe extern "system" fn vk_icdNegotiateLoaderICDInterfaceVersion(
  66     supported_version: *mut u32,
  67 ) -> api::VkResult {
  68     if *supported_version > ICD_VERSION {
  69         *supported_version = ICD_VERSION;
  70     }
  71     api::VK_SUCCESS
  72 }
  73
  74 #[allow(dead_code)]
  75 const ASSERT_TYPE_VK_ICD_NEGOTIATE_LOADER_ICD_INTERFACE_VERSION:
  76     api::PFN_vkNegotiateLoaderICDInterfaceVersion = Some(vk_icdNegotiateLoaderICDInterfaceVersion);
  77
  78 #[no_mangle]
  79 pub unsafe extern "system" fn vk_icdGetPhysicalDeviceProcAddr(
  80     instance: api::VkInstance,
  81     name: *const c_char,
  82 ) -> api::PFN_vkVoidFunction {
  83     match CStr::from_ptr(name).to_str().ok()? {
  84         "vkCreateDevice"
  85         | "vkCreateDisplayModeKHR"
  86         | "vkEnumerateDeviceExtensionProperties"
  87         | "vkEnumerateDeviceLayerProperties"
  88         | "vkGetDisplayModeProperties2KHR"
  89         | "vkGetDisplayModePropertiesKHR"
  90         | "vkGetDisplayPlaneCapabilities2KHR"
  91         | "vkGetDisplayPlaneCapabilitiesKHR"
  92         | "vkGetDisplayPlaneSupportedDisplaysKHR"
  93         | "vkGetPhysicalDeviceDisplayPlaneProperties2KHR"
  94         | "vkGetPhysicalDeviceDisplayPlanePropertiesKHR"
  95         | "vkGetPhysicalDeviceDisplayProperties2KHR"
  96         | "vkGetPhysicalDeviceDisplayPropertiesKHR"
  97         | "vkGetPhysicalDeviceExternalBufferProperties"
  98         | "vkGetPhysicalDeviceExternalBufferPropertiesKHR"
  99         | "vkGetPhysicalDeviceExternalFenceProperties"
 100         | "vkGetPhysicalDeviceExternalFencePropertiesKHR"
 101         | "vkGetPhysicalDeviceExternalImageFormatPropertiesNV"
 102         | "vkGetPhysicalDeviceExternalSemaphoreProperties"
 103         | "vkGetPhysicalDeviceExternalSemaphorePropertiesKHR"
 104         | "vkGetPhysicalDeviceFeatures"
 105         | "vkGetPhysicalDeviceFeatures2"
 106         | "vkGetPhysicalDeviceFeatures2KHR"
 107         | "vkGetPhysicalDeviceFormatProperties"
 108         | "vkGetPhysicalDeviceFormatProperties2"
 109         | "vkGetPhysicalDeviceFormatProperties2KHR"
 110         | "vkGetPhysicalDeviceGeneratedCommandsPropertiesNVX"
 111         | "vkGetPhysicalDeviceImageFormatProperties"
 112         | "vkGetPhysicalDeviceImageFormatProperties2"
 113         | "vkGetPhysicalDeviceImageFormatProperties2KHR"
 114         | "vkGetPhysicalDeviceMemoryProperties"
 115         | "vkGetPhysicalDeviceMemoryProperties2"
 116         | "vkGetPhysicalDeviceMemoryProperties2KHR"
 117         | "vkGetPhysicalDeviceMultisamplePropertiesEXT"
 118         | "vkGetPhysicalDevicePresentRectanglesKHR"
 119         | "vkGetPhysicalDeviceProperties"
 120         | "vkGetPhysicalDeviceProperties2"
 121         | "vkGetPhysicalDeviceProperties2KHR"
 122         | "vkGetPhysicalDeviceQueueFamilyProperties"
 123         | "vkGetPhysicalDeviceQueueFamilyProperties2"
 124         | "vkGetPhysicalDeviceQueueFamilyProperties2KHR"
 125         | "vkGetPhysicalDeviceSparseImageFormatProperties"
 126         | "vkGetPhysicalDeviceSparseImageFormatProperties2"
 127         | "vkGetPhysicalDeviceSparseImageFormatProperties2KHR"
 128         | "vkGetPhysicalDeviceSurfaceCapabilities2EXT"
 129         | "vkGetPhysicalDeviceSurfaceCapabilities2KHR"
 130         | "vkGetPhysicalDeviceSurfaceCapabilitiesKHR"
 131         | "vkGetPhysicalDeviceSurfaceFormats2KHR"
 132         | "vkGetPhysicalDeviceSurfaceFormatsKHR"
 133         | "vkGetPhysicalDeviceSurfacePresentModesKHR"
 134         | "vkGetPhysicalDeviceSurfaceSupportKHR"
 135         | "vkGetPhysicalDeviceXcbPresentationSupportKHR"
 136         | "vkReleaseDisplayEXT" => vk_icdGetInstanceProcAddr(instance, name),
 137         _ => None,
 138     }
 139 }
 140
 141 #[allow(dead_code)]
 142 const ASSERT_TYPE_VK_ICD_GET_PHYSICAL_DEVICE_PROC_ADDR: api::PFN_GetPhysicalDeviceProcAddr =
 143     Some(vk_icdGetInstanceProcAddr);
 144
 145 #[cfg(test)]
 146 mod tests {}