d3d12: Use DirectX-Headers wrap for d3d12.h

This does 2 things for us:
1. Allows us to compile-time depend on any features from new headers,
   instead of having to conditionally compile based on Windows SDK version.
2. Allows us to reference d3d12.h when compiling for non-Windows.

Reviewed-by: Bill Kristiansen <billkris@microsoft.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7937>

src/microsoft/clc/clc_compiler_test.cpp

@@ -26,7 +26,7 @@
 #include <stdexcept>
 #include <vector>
 
-#include <d3d12.h>
+#include <directx/d3d12.h>
 #include <dxgi1_4.h>
 #include <gtest/gtest.h>
 #include <wrl.h>

src/microsoft/clc/compute_test.cpp

@@ -25,7 +25,7 @@
 #include <stdint.h>
 #include <stdexcept>
 
-#include <d3d12.h>
+#include <directx/d3d12.h>
 #include <dxgi1_4.h>
 #include <gtest/gtest.h>
 #include <wrl.h>

src/microsoft/clc/compute_test.h

@@ -25,7 +25,7 @@
 #include <stdint.h>
 #include <stdexcept>
 
-#include <d3d12.h>
+#include <directx/d3d12.h>
 #include <dxgi1_4.h>
 #include <gtest/gtest.h>
 #include <wrl.h>

src/microsoft/clc/meson.build

@@ -59,10 +59,12 @@ libclc_compiler = shared_library(
     dep_llvmspirvlib, idep_mesautil, idep_libdxil_compiler, idep_nir, dep_spirv_tools]
 )
 
-clc_compiler_test = executable('clc_compiler_test',
-  ['clc_compiler_test.cpp', 'compute_test.cpp'],
-  link_with : [libclc_compiler],
-  dependencies : [idep_gtest, idep_mesautil],
-  include_directories : [inc_include, inc_src])
+if dep_dxheaders.found()
+  clc_compiler_test = executable('clc_compiler_test',
+    ['clc_compiler_test.cpp', 'compute_test.cpp'],
+    link_with : [libclc_compiler],
+    dependencies : [idep_gtest, idep_mesautil, idep_libdxil_compiler, dep_dxheaders],
+    include_directories : [inc_include, inc_src])
 
-test('clc_compiler_test', clc_compiler_test, timeout: 180)
+  test('clc_compiler_test', clc_compiler_test, timeout: 180)
+endif

src/microsoft/resource_state_manager/D3D12ResourceState.h

@@ -26,7 +26,7 @@
 
 #include <vector>
 #include <assert.h>
-#include <d3d12.h>
+#include <directx/d3d12.h>
 
 #include "util/list.h"
 

src/microsoft/resource_state_manager/meson.build

@@ -28,7 +28,7 @@ libd3d12_resource_state = static_library(
   files_libd3d12_resource_state,
   gnu_symbol_visibility : 'hidden',
   include_directories : [inc_include, inc_src, inc_mesa],
-  dependencies: [],
+  dependencies: [dep_dxheaders],
 )
 
 idep_libd3d12_resource_state = declare_dependency(