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