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Add support for exporting pdb files for D3D12 shaders if debug data is enabled

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This commit is contained in:
Wojciech Figat
2021-12-07 18:22:40 +01:00
parent 4b9001abf2
commit 38606cb43a
1 changed files with 19 additions and 0 deletions
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19
Source/Engine/ShadersCompilation/DirectX/ShaderCompilerDX.cpp
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@@ -5,11 +5,14 @@
#include "ShaderCompilerDX.h"
#include "Engine/Core/Log.h"
#include "Engine/Threading/Threading.h"
#include "Engine/Engine/Globals.h"
#include "Engine/Graphics/Config.h"
#include "Engine/GraphicsDevice/DirectX/DX12/Types.h"
#include "Engine/Utilities/StringConverter.h"
#include "Engine/Platform/Win32/IncludeWindowsHeaders.h"
#include "Engine/Platform/Windows/ComPtr.h"
#include "Engine/Platform/FileSystem.h"
#include "Engine/Platform/File.h"
#include <d3d12shader.h>
#include <ThirdParty/DirectXShaderCompiler/dxcapi.h>
@@ -173,6 +176,13 @@ bool ShaderCompilerDX::CompileShader(ShaderFunctionMeta& meta, WritePermutationD
args.Add(entryPoint.Get());
args.Add(options->TargetName.Get());
Array<const Char*, InlinedAllocation<250>> argsFull;
String debugOutputFolder;
if (_context->Options->GenerateDebugData)
{
debugOutputFolder = Globals::ProjectCacheFolder / TEXT("Shaders") / TEXT("DXC");
if (!FileSystem::DirectoryExists(debugOutputFolder))
FileSystem::CreateDirectory(debugOutputFolder);
}
// Compile all shader function permutations
for (int32 permutationIndex = 0; permutationIndex < meta.Permutations.Count(); permutationIndex++)
@@ -274,6 +284,15 @@ bool ShaderCompilerDX::CompileShader(ShaderFunctionMeta& meta, WritePermutationD
_context->OnCollectDebugInfo(meta, permutationIndex, (const char*)disassemblyUtf8->GetBufferPointer(), (int32)disassemblyUtf8->GetBufferSize());
}
#endif
if (_context->Options->GenerateDebugData)
{
ComPtr<IDxcBlob> pdbBlob;
ComPtr<IDxcBlobUtf16> pdbName;
if (results->GetOutput(DXC_OUT_PDB, IID_PPV_ARGS(pdbBlob.GetAddressOf()), pdbName.GetAddressOf()) == S_OK)
{
File::WriteAllBytes(debugOutputFolder / String(pdbName->GetStringPointer(), (int32)pdbName->GetStringLength()), (byte*)pdbBlob->GetBufferPointer(), (int32)pdbBlob->GetBufferSize());
}
}
// Perform shader reflection
if (FAILED(containerReflection->Load(shaderBuffer)))