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gpu: Use DXBC for D3D12 blit shaders on Windows (#16095)

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This commit is contained in:
Caleb Cornett
2026-08-03 13:10:30 -07:00
committed by GitHub
parent f17fc121aa
commit 52cea907e0
4 changed files with 1909 additions and 3336 deletions
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src/gpu/d3d12/D3D12_Blit.h
+1892 -3325
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src/gpu/d3d12/SDL_gpu_d3d12.c
+4
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@@ -8430,7 +8430,11 @@ static void D3D12_INTERNAL_InitBlitResources(
shaderCreateInfo.code = (Uint8 *)D3D12_FullscreenVert;
shaderCreateInfo.code_size = sizeof(D3D12_FullscreenVert);
shaderCreateInfo.stage = SDL_GPU_SHADERSTAGE_VERTEX;
#if defined(SDL_PLATFORM_XBOXONE) || defined(SDL_PLATFORM_XBOXSERIES)
shaderCreateInfo.format = SDL_GPU_SHADERFORMAT_DXIL;
#else
shaderCreateInfo.format = SDL_GPU_SHADERFORMAT_DXBC;
#endif
renderer->blitVertexShader = D3D12_CreateShader(
(SDL_GPURenderer *)renderer,
src/gpu/d3d12/compile_shaders.bat
+10 -8
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@@ -1,18 +1,20 @@
rem This script runs for the Windows build, but also via the _xbox variant with these vars set.
rem Make sure to default to building for Windows if they're not set.
if %DXC%.==. set DXC=dxc
if %COMPILER%.==. set COMPILER=fxc
if %SUFFIX%.==. set SUFFIX=.h
if %MODEL%.==. set MODEL=5_1
echo Building with %DXC%
echo Building with %COMPILER%
echo Suffix %SUFFIX%
echo Shader Model %MODEL%
cd "%~dp0"
%DXC% -E FullscreenVert -T vs_6_0 -Fh D3D12_FullscreenVert.h D3D_Blit.hlsl
%DXC% -E BlitFrom2D -T ps_6_0 -Fh D3D12_BlitFrom2D.h D3D_Blit.hlsl
%DXC% -E BlitFrom2DArray -T ps_6_0 -Fh D3D12_BlitFrom2DArray.h D3D_Blit.hlsl
%DXC% -E BlitFrom3D -T ps_6_0 -Fh D3D12_BlitFrom3D.h D3D_Blit.hlsl
%DXC% -E BlitFromCube -T ps_6_0 -Fh D3D12_BlitFromCube.h D3D_Blit.hlsl
%DXC% -E BlitFromCubeArray -T ps_6_0 -Fh D3D12_BlitFromCubeArray.h D3D_Blit.hlsl
%COMPILER% -E FullscreenVert -T vs_%MODEL% -Fh D3D12_FullscreenVert.h D3D_Blit.hlsl
%COMPILER% -E BlitFrom2D -T ps_%MODEL% -Fh D3D12_BlitFrom2D.h D3D_Blit.hlsl
%COMPILER% -E BlitFrom2DArray -T ps_%MODEL% -Fh D3D12_BlitFrom2DArray.h D3D_Blit.hlsl
%COMPILER% -E BlitFrom3D -T ps_%MODEL% -Fh D3D12_BlitFrom3D.h D3D_Blit.hlsl
%COMPILER% -E BlitFromCube -T ps_%MODEL% -Fh D3D12_BlitFromCube.h D3D_Blit.hlsl
%COMPILER% -E BlitFromCubeArray -T ps_%MODEL% -Fh D3D12_BlitFromCubeArray.h D3D_Blit.hlsl
copy /b D3D12_FullscreenVert.h+D3D12_BlitFrom2D.h+D3D12_BlitFrom2DArray.h+D3D12_BlitFrom3D.h+D3D12_BlitFromCube.h+D3D12_BlitFromCubeArray.h D3D12_Blit%SUFFIX%
del D3D12_FullscreenVert.h D3D12_BlitFrom2D.h D3D12_BlitFrom2DArray.h D3D12_BlitFrom3D.h D3D12_BlitFromCube.h D3D12_BlitFromCubeArray.h
src/gpu/d3d12/compile_shaders_xbox.bat
+3 -3
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@@ -1,13 +1,13 @@
if %2.==one. goto setxboxone
rem Xbox Series compile
set DXC="%GameDKLatest%\GXDK\bin\Scarlett\DXC.exe"
set COMPILER="%GameDKLatest%\GXDK\bin\Scarlett\DXC.exe"
set SUFFIX=_Series.h
goto startbuild
:setxboxone
set DXC="%GameDKLatest%\GXDK\bin\XboxOne\DXC.exe"
set COMPILER="%GameDKLatest%\GXDK\bin\XboxOne\DXC.exe"
set SUFFIX=_One.h
:startbuild
set MODEL=6_0
call "%~dp0\compile_shaders.bat"