dolphin/Source/Core/VideoBackends/D3D12/D3DShader.cpp

90 lines
2.5 KiB
C++

// Copyright 2010 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <fstream>
#include <string>
#include "Common/FileUtil.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "Common/Logging/Log.h"
#include "VideoBackends/D3D12/D3DBase.h"
#include "VideoBackends/D3D12/D3DShader.h"
#include "VideoCommon/VideoConfig.h"
namespace DX12
{
namespace D3D
{
bool CompileShader(const std::string& code, ID3DBlob** blob, const D3D_SHADER_MACRO* defines, const std::string& shader_version_string)
{
ID3D10Blob* shader_buffer = nullptr;
ID3D10Blob* error_buffer = nullptr;
#if defined(_DEBUG) || defined(DEBUGFAST)
UINT flags = D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY | D3DCOMPILE_DEBUG;
#else
UINT flags = D3DCOMPILE_ENABLE_BACKWARDS_COMPATIBILITY | D3DCOMPILE_OPTIMIZATION_LEVEL3 | D3DCOMPILE_SKIP_VALIDATION;
#endif
HRESULT hr = d3d_compile(code.c_str(), code.length(), nullptr, defines, nullptr, "main", shader_version_string.data(),
flags, 0, &shader_buffer, &error_buffer);
if (error_buffer)
{
WARN_LOG(VIDEO, "Warning generated when compiling %s shader:\n%s\n",
shader_version_string.c_str(),
static_cast<const char*>(error_buffer->GetBufferPointer()));
}
if (FAILED(hr))
{
static int num_failures = 0;
std::string filename = StringFromFormat("%sbad_%s_%04i.txt", File::GetUserPath(D_DUMP_IDX).c_str(), shader_version_string.c_str(), num_failures++);
std::ofstream file;
OpenFStream(file, filename, std::ios_base::out);
file << code;
file << std::endl << "Errors:" << std::endl;
file << static_cast<const char*>(error_buffer->GetBufferPointer());
file.close();
PanicAlert("Failed to compile shader: %s\nDebug info (%s):\n%s",
filename.c_str(),
shader_version_string.c_str(),
static_cast<const char*>(error_buffer->GetBufferPointer()));
*blob = nullptr;
error_buffer->Release();
}
else
{
*blob = shader_buffer;
}
return SUCCEEDED(hr);
}
// code->bytecode
bool CompileVertexShader(const std::string& code, ID3DBlob** blob)
{
return CompileShader(code, blob, nullptr, D3D::VertexShaderVersionString());
}
// code->bytecode
bool CompileGeometryShader(const std::string& code, ID3DBlob** blob, const D3D_SHADER_MACRO* defines)
{
return CompileShader(code, blob, defines, D3D::GeometryShaderVersionString());
}
// code->bytecode
bool CompilePixelShader(const std::string& code, ID3DBlob** blob, const D3D_SHADER_MACRO* defines)
{
return CompileShader(code, blob, defines, D3D::PixelShaderVersionString());
}
} // namespace
} // namespace DX12