dolphin/Source/Plugins/Plugin_VideoDX11/Src/D3DShader.cpp

178 lines
5.4 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <string>
#include "VideoConfig.h"
#include "D3DShader.h"
namespace DX11
{
namespace D3D
{
// bytecode->shader
SharedPtr<ID3D11VertexShader> CreateVertexShaderFromByteCode(const void* bytecode, unsigned int len)
{
ID3D11VertexShader* v_shader = nullptr;
HRESULT hr = D3D::g_device->CreateVertexShader(bytecode, len, NULL, &v_shader);
if (FAILED(hr))
PanicAlert("CreateVertexShaderFromByteCode failed from %p (size %d) at %s %d\n",
bytecode, len, __FILE__, __LINE__);
return SharedPtr<ID3D11VertexShader>::FromPtr(v_shader);
}
// bytecode->shader
SharedPtr<ID3D11GeometryShader> CreateGeometryShaderFromByteCode(const void* bytecode, unsigned int len)
{
ID3D11GeometryShader* g_shader = nullptr;
HRESULT hr = D3D::g_device->CreateGeometryShader(bytecode, len, NULL, &g_shader);
if (FAILED(hr))
PanicAlert("CreateGeometryShaderFromByteCode failed from %p (size %d) at %s %d\n",
bytecode, len, __FILE__, __LINE__);
return SharedPtr<ID3D11GeometryShader>::FromPtr(g_shader);
}
// bytecode->shader
SharedPtr<ID3D11PixelShader> CreatePixelShaderFromByteCode(const void* bytecode, unsigned int len)
{
ID3D11PixelShader* p_shader = nullptr;
HRESULT hr = D3D::g_device->CreatePixelShader(bytecode, len, NULL, &p_shader);
if (FAILED(hr))
PanicAlert("CreatePixelShaderFromByteCode failed at %s %d\n", __FILE__, __LINE__);
return SharedPtr<ID3D11PixelShader>::FromPtr(p_shader);
}
static SharedPtr<ID3D10Blob> CompileShader(const char* code, unsigned int len,
const char* ver_str, const D3D_SHADER_MACRO* pDefines = NULL)
{
static const UINT shader_compilation_flags = D3D10_SHADER_ENABLE_BACKWARDS_COMPATIBILITY
#if defined(_DEBUG) || defined(DEBUGFAST)
| D3D10_SHADER_DEBUG | D3D10_SHADER_WARNINGS_ARE_ERRORS;
#else
| D3D10_SHADER_OPTIMIZATION_LEVEL3 | D3D10_SHADER_SKIP_VALIDATION;
#endif
ID3D10Blob* shaderBuffer = nullptr;
ID3D10Blob* errorBuffer = nullptr;
HRESULT hr = PD3DX11CompileFromMemory(code, len, NULL, pDefines, NULL, "main", ver_str,
shader_compilation_flags, 0, NULL, &shaderBuffer, &errorBuffer, NULL);
if (FAILED(hr) && g_ActiveConfig.bShowShaderErrors)
{
std::string msg = (const char*)errorBuffer->GetBufferPointer();
msg += "\n\n";
msg += ver_str;
msg += "\n\n";
msg += code;
MessageBoxA(0, msg.c_str(), "Error compiling shader", MB_ICONERROR);
}
if (errorBuffer)
{
INFO_LOG(VIDEO, "Shader %s compiler messages:\n%s\n", ver_str,
(const char*)errorBuffer->GetBufferPointer());
errorBuffer->Release();
}
return SharedPtr<ID3D10Blob>::FromPtr(shaderBuffer);
}
// code->bytecode
SharedPtr<ID3D10Blob> CompileVertexShader(const char* code, unsigned int len)
{
return CompileShader(code, len, D3D::VertexShaderVersionString());
}
// code->bytecode
SharedPtr<ID3D10Blob> CompileGeometryShader(const char* code, unsigned int len,
const D3D_SHADER_MACRO* pDefines)
{
return CompileShader(code, len, D3D::GeometryShaderVersionString(), pDefines);
}
// code->bytecode
SharedPtr<ID3D10Blob> CompilePixelShader(const char* code, unsigned int len,
const D3D_SHADER_MACRO* pDefines)
{
return CompileShader(code, len, D3D::PixelShaderVersionString(), pDefines);
}
SharedPtr<ID3D11VertexShader> CompileAndCreateVertexShader(const char* code, unsigned int len,
SharedPtr<ID3D10Blob>* bytecode)
{
auto const blob = CompileVertexShader(code, len);
if (blob)
{
if (bytecode)
*bytecode = blob;
return CreateVertexShaderFromByteCode(blob->GetBufferPointer(), (unsigned int)blob->GetBufferSize());
}
else
{
PanicAlert("Failed to compile and create vertex shader from %p (size %d) at %s %d\n",
code, len, __FILE__, __LINE__);
return SharedPtr<ID3D11VertexShader>::FromPtr(nullptr);
}
}
SharedPtr<ID3D11GeometryShader> CompileAndCreateGeometryShader(const char* code, unsigned int len,
const D3D_SHADER_MACRO* pDefines, SharedPtr<ID3D10Blob>* bytecode)
{
auto const blob = CompileGeometryShader(code, len, pDefines);
if (blob)
{
if (bytecode)
*bytecode = blob;
return CreateGeometryShaderFromByteCode(blob->GetBufferPointer(), (unsigned int)blob->GetBufferSize());
}
else
{
PanicAlert("Failed to compile and create geometry shader from %p (size %d) at %s %d\n",
code, len, __FILE__, __LINE__);
return SharedPtr<ID3D11GeometryShader>::FromPtr(nullptr);
}
}
SharedPtr<ID3D11PixelShader> CompileAndCreatePixelShader(const char* code, unsigned int len,
const D3D_SHADER_MACRO* pDefines, SharedPtr<ID3D10Blob>* bytecode)
{
auto const blob = CompilePixelShader(code, len, pDefines);
if (blob)
{
if (bytecode)
*bytecode = blob;
return CreatePixelShaderFromByteCode(blob->GetBufferPointer(), (unsigned int)blob->GetBufferSize());
}
else
{
PanicAlert("Failed to compile and create pixel shader, %s %d\n", __FILE__, __LINE__);
return SharedPtr<ID3D11PixelShader>::FromPtr(nullptr);
}
}
} // namespace
} // namespace DX11