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D3D: Support compiling compute shaders

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This commit is contained in:
Stenzek
2018-02-09 22:59:51 +10:00
parent aaea515d71
commit e8ff2b2006
4 changed files with 99 additions and 3 deletions
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73
Source/Core/VideoBackends/D3D/D3DShader.cpp
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@ -188,6 +188,66 @@ bool CompilePixelShader(const std::string& code, D3DBlob** blob, const D3D_SHADE
return SUCCEEDED(hr);
}
// bytecode->shader
ID3D11ComputeShader* CreateComputeShaderFromByteCode(const void* bytecode, size_t len)
{
ID3D11ComputeShader* shader;
HRESULT hr = D3D::device->CreateComputeShader(bytecode, len, nullptr, &shader);
if (FAILED(hr))
{
PanicAlert("CreateComputeShaderFromByteCode failed at %s %d\n", __FILE__, __LINE__);
return nullptr;
}
return shader;
}
// code->bytecode
bool CompileComputeShader(const std::string& code, D3DBlob** blob, const D3D_SHADER_MACRO* pDefines)
{
ID3D10Blob* shaderBuffer = nullptr;
ID3D10Blob* errorBuffer = nullptr;
#if defined(_DEBUG) || defined(DEBUGFAST)
UINT flags = D3D10_SHADER_DEBUG;
#else
UINT flags = D3D10_SHADER_OPTIMIZATION_LEVEL3;
#endif
HRESULT hr =
PD3DCompile(code.c_str(), code.length(), nullptr, pDefines, nullptr, "main",
D3D::ComputeShaderVersionString(), flags, 0, &shaderBuffer, &errorBuffer);
if (errorBuffer)
{
INFO_LOG(VIDEO, "Compute shader compiler messages:\n%s",
(const char*)errorBuffer->GetBufferPointer());
}
if (FAILED(hr))
{
static int num_failures = 0;
std::string filename = StringFromFormat("%sbad_cs_%04i.txt",
File::GetUserPath(D_DUMP_IDX).c_str(), num_failures++);
std::ofstream file;
File::OpenFStream(file, filename, std::ios_base::out);
file << code;
file.close();
PanicAlert("Failed to compile compute shader: %s\nDebug info (%s):\n%s", filename.c_str(),
D3D::ComputeShaderVersionString(),
reinterpret_cast<const char*>(errorBuffer->GetBufferPointer()));
*blob = nullptr;
errorBuffer->Release();
}
else
{
*blob = new D3DBlob(shaderBuffer);
shaderBuffer->Release();
}
return SUCCEEDED(hr);
}
ID3D11VertexShader* CompileAndCreateVertexShader(const std::string& code)
{
D3DBlob* blob = nullptr;
@ -226,6 +286,19 @@ ID3D11PixelShader* CompileAndCreatePixelShader(const std::string& code)
return nullptr;
}
ID3D11ComputeShader* CompileAndCreateComputeShader(const std::string& code)
{
D3DBlob* blob = nullptr;
CompileComputeShader(code, &blob);
if (blob)
{
ID3D11ComputeShader* shader = CreateComputeShaderFromByteCode(blob);
blob->Release();
return shader;
}
return nullptr;
}
} // namespace
} // namespace DX11