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mesa/src/microsoft/vulkan/dzn_util.c
Antonio Ospite ddf2aa3a4d build: avoid redefining unreachable() which is standard in C23 
In the C23 standard unreachable() is now a predefined function-like
macro in <stddef.h>

See https://android.googlesource.com/platform/bionic/+/HEAD/docs/c23.md#is-now-a-predefined-function_like-macro-in

And this causes build errors when building for C23:

-----------------------------------------------------------------------
In file included from ../src/util/log.h:30,
                 from ../src/util/log.c:30:
../src/util/macros.h:123:9: warning: "unreachable" redefined
  123 | #define unreachable(str)    \
      |         ^~~~~~~~~~~
In file included from ../src/util/macros.h:31:
/usr/lib/gcc/x86_64-linux-gnu/14/include/stddef.h:456:9: note: this is the location of the previous definition
  456 | #define unreachable() (__builtin_unreachable ())
      |         ^~~~~~~~~~~
-----------------------------------------------------------------------

So don't redefine it with the same name, but use the name UNREACHABLE()
to also signify it's a macro.

Using a different name also makes sense because the behavior of the
macro was extending the one of __builtin_unreachable() anyway, and it
also had a different signature, accepting one argument, compared to the
standard unreachable() with no arguments.

This change improves the chances of building mesa with the C23 standard,
which for instance is the default in recent AOSP versions.

All the instances of the macro, including the definition, were updated
with the following command line:

  git grep -l '[^_]unreachable(' -- "src/**" | sort | uniq | \
  while read file; \
  do \
    sed -e 's/\([^_]\)unreachable(/\1UNREACHABLE(/g' -i "$file"; \
  done && \
  sed -e 's/#undef unreachable/#undef UNREACHABLE/g' -i src/intel/isl/isl_aux_info.c

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36437>
2025-07-31 17:49:42 +00:00

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/*
* Copyright © Microsoft Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "dzn_private.h"
#define D3D12_IGNORE_SDK_LAYERS
#define COBJMACROS
#include <directx/d3d12.h>
#include <vulkan/vulkan.h>
#include "util/format/u_format.h"
#include "util/log.h"
#include <directx/d3d12sdklayers.h>
#include <util/u_dl.h>
static const DXGI_FORMAT formats[PIPE_FORMAT_COUNT] = {
#define MAP_FORMAT_NORM(FMT) \
[PIPE_FORMAT_ ## FMT ## _UNORM] = DXGI_FORMAT_ ## FMT ## _UNORM, \
[PIPE_FORMAT_ ## FMT ## _SNORM] = DXGI_FORMAT_ ## FMT ## _SNORM,
#define MAP_FORMAT_INT(FMT) \
[PIPE_FORMAT_ ## FMT ## _UINT] = DXGI_FORMAT_ ## FMT ## _UINT, \
[PIPE_FORMAT_ ## FMT ## _SINT] = DXGI_FORMAT_ ## FMT ## _SINT,
#define MAP_FORMAT_SRGB(FMT) \
[PIPE_FORMAT_ ## FMT ## _SRGB] = DXGI_FORMAT_ ## FMT ## _UNORM_SRGB,
#define MAP_FORMAT_FLOAT(FMT) \
[PIPE_FORMAT_ ## FMT ## _FLOAT] = DXGI_FORMAT_ ## FMT ## _FLOAT,
#define MAP_EMU_FORMAT_NO_ALPHA(BITS, TYPE) \
[PIPE_FORMAT_L ## BITS ## _ ## TYPE] = DXGI_FORMAT_R ## BITS ## _ ## TYPE, \
[PIPE_FORMAT_I ## BITS ## _ ## TYPE] = DXGI_FORMAT_R ## BITS ## _ ## TYPE, \
[PIPE_FORMAT_L ## BITS ## A ## BITS ## _ ## TYPE] = \
DXGI_FORMAT_R ## BITS ## G ## BITS ## _ ## TYPE,
#define MAP_EMU_FORMAT(BITS, TYPE) \
[PIPE_FORMAT_A ## BITS ## _ ## TYPE] = DXGI_FORMAT_R ## BITS ## _ ## TYPE, \
MAP_EMU_FORMAT_NO_ALPHA(BITS, TYPE)
MAP_FORMAT_NORM(R8)
MAP_FORMAT_INT(R8)
MAP_FORMAT_NORM(R8G8)
MAP_FORMAT_INT(R8G8)
MAP_FORMAT_NORM(R8G8B8A8)
MAP_FORMAT_INT(R8G8B8A8)
MAP_FORMAT_SRGB(R8G8B8A8)
[PIPE_FORMAT_B8G8R8X8_UNORM] = DXGI_FORMAT_B8G8R8X8_UNORM,
[PIPE_FORMAT_B8G8R8A8_UNORM] = DXGI_FORMAT_B8G8R8A8_UNORM,
[PIPE_FORMAT_B4G4R4A4_UNORM] = DXGI_FORMAT_B4G4R4A4_UNORM,
[PIPE_FORMAT_A4R4G4B4_UNORM] = DXGI_FORMAT_A4B4G4R4_UNORM,
[PIPE_FORMAT_A4B4G4R4_UNORM] = DXGI_FORMAT_A4B4G4R4_UNORM,
[PIPE_FORMAT_B5G6R5_UNORM] = DXGI_FORMAT_B5G6R5_UNORM,
[PIPE_FORMAT_B5G5R5A1_UNORM] = DXGI_FORMAT_B5G5R5A1_UNORM,
MAP_FORMAT_SRGB(B8G8R8A8)
MAP_FORMAT_INT(R32)
MAP_FORMAT_FLOAT(R32)
MAP_FORMAT_INT(R32G32)
MAP_FORMAT_FLOAT(R32G32)
MAP_FORMAT_INT(R32G32B32)
MAP_FORMAT_FLOAT(R32G32B32)
MAP_FORMAT_INT(R32G32B32A32)
MAP_FORMAT_FLOAT(R32G32B32A32)
MAP_FORMAT_NORM(R16)
MAP_FORMAT_INT(R16)
MAP_FORMAT_FLOAT(R16)
MAP_FORMAT_NORM(R16G16)
MAP_FORMAT_INT(R16G16)
MAP_FORMAT_FLOAT(R16G16)
MAP_FORMAT_NORM(R16G16B16A16)
MAP_FORMAT_INT(R16G16B16A16)
MAP_FORMAT_FLOAT(R16G16B16A16)
[PIPE_FORMAT_A8_UNORM] = DXGI_FORMAT_A8_UNORM,
MAP_EMU_FORMAT_NO_ALPHA(8, UNORM)
MAP_EMU_FORMAT(8, SNORM)
MAP_EMU_FORMAT(8, SINT)
MAP_EMU_FORMAT(8, UINT)
MAP_EMU_FORMAT(16, UNORM)
MAP_EMU_FORMAT(16, SNORM)
MAP_EMU_FORMAT(16, SINT)
MAP_EMU_FORMAT(16, UINT)
MAP_EMU_FORMAT(16, FLOAT)
MAP_EMU_FORMAT(32, SINT)
MAP_EMU_FORMAT(32, UINT)
MAP_EMU_FORMAT(32, FLOAT)
[PIPE_FORMAT_R9G9B9E5_FLOAT] = DXGI_FORMAT_R9G9B9E5_SHAREDEXP,
[PIPE_FORMAT_R11G11B10_FLOAT] = DXGI_FORMAT_R11G11B10_FLOAT,
[PIPE_FORMAT_R10G10B10A2_UINT] = DXGI_FORMAT_R10G10B10A2_UINT,
[PIPE_FORMAT_R10G10B10A2_UNORM] = DXGI_FORMAT_R10G10B10A2_UNORM,
[PIPE_FORMAT_DXT1_RGB] = DXGI_FORMAT_BC1_UNORM,
[PIPE_FORMAT_DXT1_RGBA] = DXGI_FORMAT_BC1_UNORM,
[PIPE_FORMAT_DXT3_RGBA] = DXGI_FORMAT_BC2_UNORM,
[PIPE_FORMAT_DXT5_RGBA] = DXGI_FORMAT_BC3_UNORM,
[PIPE_FORMAT_DXT1_SRGB] = DXGI_FORMAT_BC1_UNORM_SRGB,
[PIPE_FORMAT_DXT1_SRGBA] = DXGI_FORMAT_BC1_UNORM_SRGB,
[PIPE_FORMAT_DXT3_SRGBA] = DXGI_FORMAT_BC2_UNORM_SRGB,
[PIPE_FORMAT_DXT5_SRGBA] = DXGI_FORMAT_BC3_UNORM_SRGB,
[PIPE_FORMAT_RGTC1_UNORM] = DXGI_FORMAT_BC4_UNORM,
[PIPE_FORMAT_RGTC1_SNORM] = DXGI_FORMAT_BC4_SNORM,
[PIPE_FORMAT_RGTC2_UNORM] = DXGI_FORMAT_BC5_UNORM,
[PIPE_FORMAT_RGTC2_SNORM] = DXGI_FORMAT_BC5_SNORM,
[PIPE_FORMAT_BPTC_RGB_UFLOAT] = DXGI_FORMAT_BC6H_UF16,
[PIPE_FORMAT_BPTC_RGB_FLOAT] = DXGI_FORMAT_BC6H_SF16,
[PIPE_FORMAT_BPTC_RGBA_UNORM] = DXGI_FORMAT_BC7_UNORM,
[PIPE_FORMAT_BPTC_SRGBA] = DXGI_FORMAT_BC7_UNORM_SRGB,
[PIPE_FORMAT_Z32_FLOAT] = DXGI_FORMAT_R32_TYPELESS,
[PIPE_FORMAT_Z16_UNORM] = DXGI_FORMAT_R16_TYPELESS,
[PIPE_FORMAT_Z24X8_UNORM] = DXGI_FORMAT_R24G8_TYPELESS,
[PIPE_FORMAT_X24S8_UINT] = DXGI_FORMAT_R24G8_TYPELESS,
[PIPE_FORMAT_Z24_UNORM_S8_UINT] = DXGI_FORMAT_R24G8_TYPELESS,
[PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = DXGI_FORMAT_R32G8X24_TYPELESS,
[PIPE_FORMAT_X32_S8X24_UINT] = DXGI_FORMAT_R32G8X24_TYPELESS,
};
DXGI_FORMAT
dzn_pipe_to_dxgi_format(enum pipe_format in)
{
return formats[in];
}
DXGI_FORMAT
dzn_get_typeless_dxgi_format(DXGI_FORMAT in)
{
if (in >= DXGI_FORMAT_R32G32B32A32_TYPELESS && in <= DXGI_FORMAT_R32G32B32A32_SINT)
return DXGI_FORMAT_R32G32B32A32_TYPELESS;
if (in >= DXGI_FORMAT_R32G32B32_TYPELESS && in <= DXGI_FORMAT_R32G32B32_SINT)
return DXGI_FORMAT_R32G32B32_TYPELESS;
if (in >= DXGI_FORMAT_R16G16B16A16_TYPELESS && in <= DXGI_FORMAT_R16G16B16A16_SINT)
return DXGI_FORMAT_R16G16B16A16_TYPELESS;
if (in >= DXGI_FORMAT_R32G32_TYPELESS && in <= DXGI_FORMAT_R32G32_SINT)
return DXGI_FORMAT_R32G32_TYPELESS;
if (in >= DXGI_FORMAT_R32G8X24_TYPELESS && in <= DXGI_FORMAT_X32_TYPELESS_G8X24_UINT)
return DXGI_FORMAT_R32G8X24_TYPELESS;
if (in >= DXGI_FORMAT_R10G10B10A2_TYPELESS && in <= DXGI_FORMAT_R10G10B10A2_UINT)
return DXGI_FORMAT_R10G10B10A2_TYPELESS;
if (in >= DXGI_FORMAT_R8G8B8A8_TYPELESS && in <= DXGI_FORMAT_R8G8B8A8_SINT)
return DXGI_FORMAT_R8G8B8A8_TYPELESS;
if (in >= DXGI_FORMAT_R16G16_TYPELESS && in <= DXGI_FORMAT_R16G16_SINT)
return DXGI_FORMAT_R16G16_TYPELESS;
if (in >= DXGI_FORMAT_R32_TYPELESS && in <= DXGI_FORMAT_R32_SINT)
return DXGI_FORMAT_R32_TYPELESS;
if (in >= DXGI_FORMAT_R24G8_TYPELESS && in <= DXGI_FORMAT_X24_TYPELESS_G8_UINT)
return DXGI_FORMAT_R24G8_TYPELESS;
if (in >= DXGI_FORMAT_R8G8_TYPELESS && in <= DXGI_FORMAT_R8G8_SINT)
return DXGI_FORMAT_R8G8_TYPELESS;
if (in >= DXGI_FORMAT_R16_TYPELESS && in <= DXGI_FORMAT_R16_SINT)
return DXGI_FORMAT_R16_TYPELESS;
if (in >= DXGI_FORMAT_R8_TYPELESS && in <= DXGI_FORMAT_R8_SINT)
return DXGI_FORMAT_R8_TYPELESS;
if (in >= DXGI_FORMAT_BC1_TYPELESS && in <= DXGI_FORMAT_BC1_UNORM_SRGB)
return DXGI_FORMAT_BC1_TYPELESS;
if (in >= DXGI_FORMAT_BC2_TYPELESS && in <= DXGI_FORMAT_BC2_UNORM_SRGB)
return DXGI_FORMAT_BC2_TYPELESS;
if (in >= DXGI_FORMAT_BC3_TYPELESS && in <= DXGI_FORMAT_BC3_UNORM_SRGB)
return DXGI_FORMAT_BC3_TYPELESS;
if (in >= DXGI_FORMAT_BC4_TYPELESS && in <= DXGI_FORMAT_BC4_SNORM)
return DXGI_FORMAT_BC4_TYPELESS;
if (in >= DXGI_FORMAT_BC5_TYPELESS && in <= DXGI_FORMAT_BC5_SNORM)
return DXGI_FORMAT_BC5_TYPELESS;
if (in == DXGI_FORMAT_B8G8R8A8_UNORM ||
(in >= DXGI_FORMAT_B8G8R8A8_TYPELESS && in <= DXGI_FORMAT_B8G8R8A8_UNORM_SRGB))
return DXGI_FORMAT_B8G8R8A8_TYPELESS;
if (in == DXGI_FORMAT_B8G8R8X8_UNORM ||
(in >= DXGI_FORMAT_B8G8R8X8_TYPELESS && in <= DXGI_FORMAT_B8G8R8X8_UNORM_SRGB))
return DXGI_FORMAT_B8G8R8X8_TYPELESS;
if (in >= DXGI_FORMAT_BC6H_TYPELESS && in <= DXGI_FORMAT_BC6H_SF16)
return DXGI_FORMAT_BC6H_TYPELESS;
if (in >= DXGI_FORMAT_BC7_TYPELESS && in <= DXGI_FORMAT_BC7_UNORM_SRGB)
return DXGI_FORMAT_BC7_TYPELESS;
return in;
}
static D3D12_FILTER_TYPE
translate_filter_type(VkFilter type)
{
switch (type) {
case VK_FILTER_NEAREST: return D3D12_FILTER_TYPE_POINT;
case VK_FILTER_LINEAR: return D3D12_FILTER_TYPE_LINEAR;
default:
assert(!"Unsupported filter mode");
return D3D12_FILTER_TYPE_POINT;
}
}
static D3D12_FILTER_TYPE
translate_mip_filter_type(VkSamplerMipmapMode type)
{
switch (type) {
case VK_SAMPLER_MIPMAP_MODE_NEAREST: return D3D12_FILTER_TYPE_POINT;
case VK_SAMPLER_MIPMAP_MODE_LINEAR: return D3D12_FILTER_TYPE_LINEAR;
default:
assert(!"Unsupported filter mode");
return D3D12_FILTER_TYPE_POINT;
}
}
D3D12_FILTER
dzn_translate_sampler_filter(const struct dzn_physical_device *pdev,
const VkSamplerCreateInfo *create_info)
{
D3D12_FILTER_REDUCTION_TYPE reduction = create_info->compareEnable ?
D3D12_FILTER_REDUCTION_TYPE_COMPARISON : D3D12_FILTER_REDUCTION_TYPE_STANDARD;
if (create_info->anisotropyEnable) {
if (create_info->mipmapMode == VK_SAMPLER_MIPMAP_MODE_NEAREST &&
pdev->options19.AnisoFilterWithPointMipSupported)
return D3D12_ENCODE_MIN_MAG_ANISOTROPIC_MIP_POINT_FILTER(reduction);
return D3D12_ENCODE_ANISOTROPIC_FILTER(reduction);
}
return D3D12_ENCODE_BASIC_FILTER(
translate_filter_type(create_info->minFilter),
translate_filter_type(create_info->magFilter),
translate_mip_filter_type(create_info->mipmapMode),
reduction);
}
D3D12_COMPARISON_FUNC
dzn_translate_compare_op(VkCompareOp in)
{
switch (in) {
case VK_COMPARE_OP_NEVER: return D3D12_COMPARISON_FUNC_NEVER;
case VK_COMPARE_OP_LESS: return D3D12_COMPARISON_FUNC_LESS;
case VK_COMPARE_OP_EQUAL: return D3D12_COMPARISON_FUNC_EQUAL;
case VK_COMPARE_OP_LESS_OR_EQUAL: return D3D12_COMPARISON_FUNC_LESS_EQUAL;
case VK_COMPARE_OP_GREATER: return D3D12_COMPARISON_FUNC_GREATER;
case VK_COMPARE_OP_NOT_EQUAL: return D3D12_COMPARISON_FUNC_NOT_EQUAL;
case VK_COMPARE_OP_GREATER_OR_EQUAL: return D3D12_COMPARISON_FUNC_GREATER_EQUAL;
case VK_COMPARE_OP_ALWAYS: return D3D12_COMPARISON_FUNC_ALWAYS;
default: UNREACHABLE("Invalid compare op");
}
}
void
dzn_translate_viewport(D3D12_VIEWPORT *out,
const VkViewport *in)
{
out->TopLeftX = in->x;
out->TopLeftY = in->height < 0 ? in->height + in->y : in->y;
out->Width = in->width;
out->Height = fabs(in->height);
out->MinDepth = MIN2(in->minDepth, in->maxDepth);
out->MaxDepth = MAX2(in->maxDepth, in->minDepth);
}
void
dzn_translate_rect(D3D12_RECT *out,
const VkRect2D *in)
{
out->left = in->offset.x;
out->top = in->offset.y;
out->right = in->offset.x + in->extent.width;
out->bottom = in->offset.y + in->extent.height;
}
static ID3D12Debug *
get_debug_interface(struct util_dl_library *d3d12_mod, ID3D12DeviceFactory *factory)
{
typedef HRESULT(WINAPI *PFN_D3D12_GET_DEBUG_INTERFACE)(REFIID riid, void **ppFactory);
PFN_D3D12_GET_DEBUG_INTERFACE D3D12GetDebugInterface;
ID3D12Debug *debug;
if (factory) {
if (FAILED(ID3D12DeviceFactory_GetConfigurationInterface(factory, &CLSID_D3D12Debug, &IID_ID3D12Debug, (void **)&debug))) {
mesa_loge("Failed to retrieve ID3D12Debug from device factory\n");
return NULL;
}
} else {
D3D12GetDebugInterface = (PFN_D3D12_GET_DEBUG_INTERFACE)util_dl_get_proc_address(d3d12_mod, "D3D12GetDebugInterface");
if (!D3D12GetDebugInterface) {
mesa_loge("failed to load D3D12GetDebugInterface from D3D12.DLL\n");
return NULL;
}
if (FAILED(D3D12GetDebugInterface(&IID_ID3D12Debug, (void **)&debug))) {
mesa_loge("D3D12GetDebugInterface failed\n");
return NULL;
}
}
return debug;
}
void
d3d12_enable_debug_layer(struct util_dl_library *d3d12_mod, ID3D12DeviceFactory *factory)
{
ID3D12Debug *debug = get_debug_interface(d3d12_mod, factory);
if (debug) {
ID3D12Debug_EnableDebugLayer(debug);
ID3D12Debug_Release(debug);
}
}
void
d3d12_enable_gpu_validation(struct util_dl_library *d3d12_mod, ID3D12DeviceFactory *factory)
{
ID3D12Debug *debug = get_debug_interface(d3d12_mod, factory);
if (debug) {
ID3D12Debug3 *debug3;
if (SUCCEEDED(ID3D12Debug_QueryInterface(debug,
&IID_ID3D12Debug3,
(void **)&debug3))) {
ID3D12Debug3_SetEnableGPUBasedValidation(debug3, true);
ID3D12Debug3_Release(debug3);
}
ID3D12Debug_Release(debug);
}
}
ID3D12Device4 *
d3d12_create_device(struct util_dl_library *d3d12_mod, IUnknown *adapter, ID3D12DeviceFactory *factory, bool experimental_features)
{
#ifdef _WIN32
if (experimental_features)
#endif
{
if (factory) {
if (FAILED(ID3D12DeviceFactory_EnableExperimentalFeatures(factory, 1, &D3D12ExperimentalShaderModels, NULL, NULL))) {
mesa_loge("failed to enable experimental shader models\n");
return NULL;
}
} else {
typedef HRESULT(WINAPI *PFN_D3D12ENABLEEXPERIMENTALFEATURES)(UINT, const IID *, void *, UINT *);
PFN_D3D12ENABLEEXPERIMENTALFEATURES D3D12EnableExperimentalFeatures =
(PFN_D3D12ENABLEEXPERIMENTALFEATURES)util_dl_get_proc_address(d3d12_mod, "D3D12EnableExperimentalFeatures");
if (FAILED(D3D12EnableExperimentalFeatures(1, &D3D12ExperimentalShaderModels, NULL, NULL))) {
mesa_loge("failed to enable experimental shader models\n");
return NULL;
}
}
}
ID3D12Device4 *dev;
if (factory) {
ID3D12DeviceFactory_SetFlags(factory, D3D12_DEVICE_FACTORY_FLAG_ALLOW_RETURNING_EXISTING_DEVICE |
D3D12_DEVICE_FACTORY_FLAG_ALLOW_RETURNING_INCOMPATIBLE_EXISTING_DEVICE);
if (FAILED(ID3D12DeviceFactory_CreateDevice(factory, adapter, D3D_FEATURE_LEVEL_11_0,
&IID_ID3D12Device4,
(void **)&dev))) {
mesa_loge("ID3D12DeviceFactory::CreateDevice failed\n");
return NULL;
}
} else {
typedef HRESULT(WINAPI *PFN_D3D12CREATEDEVICE)(IUnknown *, D3D_FEATURE_LEVEL, REFIID, void **);
PFN_D3D12CREATEDEVICE D3D12CreateDevice;
D3D12CreateDevice = (PFN_D3D12CREATEDEVICE)util_dl_get_proc_address(d3d12_mod, "D3D12CreateDevice");
if (!D3D12CreateDevice) {
mesa_loge("failed to load D3D12CreateDevice from D3D12\n");
return NULL;
}
if (FAILED(D3D12CreateDevice(adapter, D3D_FEATURE_LEVEL_11_0,
&IID_ID3D12Device4,
(void **)&dev))) {
mesa_loge("D3D12CreateDevice failed\n");
return NULL;
}
}
return dev;
}
PFN_D3D12_SERIALIZE_VERSIONED_ROOT_SIGNATURE
d3d12_get_serialize_root_sig(struct util_dl_library *d3d12_mod)
{
return (PFN_D3D12_SERIALIZE_VERSIONED_ROOT_SIGNATURE)
util_dl_get_proc_address(d3d12_mod, "D3D12SerializeVersionedRootSignature");
}
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