OgreShaderHLSLProgramWriter.h
Go to the documentation of this file.
00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004 (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2012 Torus Knot Software Ltd
00008 
00009 Permission is hereby granted, free of charge, to any person obtaining a copy
00010 of this software and associated documentation files (the "Software"), to deal
00011 in the Software without restriction, including without limitation the rights
00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013 copies of the Software, and to permit persons to whom the Software is
00014 furnished to do so, subject to the following conditions:
00015 
00016 The above copyright notice and this permission notice shall be included in
00017 all copies or substantial portions of the Software.
00018 
00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025 THE SOFTWARE.
00026 -----------------------------------------------------------------------------
00027 */
00028 #ifndef __ShaderProgramWriterHLSL_H__
00029 #define __ShaderProgramWriterHLSL_H__
00030 
00031 #include "OgreShaderProgramWriterManager.h"
00032 
00033 namespace Ogre {
00034     namespace RTShader {
00035 
00046 class _OgreRTSSExport HLSLProgramWriter : public ProgramWriter
00047 {
00048 
00049     // Interface.
00050 public:
00051 
00055     HLSLProgramWriter();
00056 
00058     virtual ~HLSLProgramWriter();
00059 
00063     virtual void writeSourceCode(std::ostream& os, Program* program);
00064 
00068     virtual const String& getTargetLanguage() const { return TargetLanguage; }
00069 
00070     static String TargetLanguage;
00071 
00072     // Protected methods.
00073 protected:
00074 
00076     void initializeStringMaps();
00077 
00079     void writeProgramDependencies(std::ostream& os, Program* program);
00080 
00082     void writeUniformParameter(std::ostream& os, UniformParameterPtr parameter);
00083 
00085     void writeFunctionParameter(std::ostream& os, ParameterPtr parameter);
00086 
00088     void writeLocalParameter(std::ostream& os, ParameterPtr parameter);
00089 
00091     void writeFunctionDeclaration(std::ostream& os, Function* function, bool & needToTranslateHlsl4Color, ParameterPtr & colorParameter);
00092 
00094     void writeAtomInstance(std::ostream& os, FunctionAtom* atom);   
00095 
00096 protected:
00097     typedef map<GpuConstantType, const char*>::type     GpuConstTypeToStringMap;
00098     typedef map<Parameter::Semantic, const char*>::type ParamSemanticToStringMap;
00099 
00100     // Attributes.
00101 protected:
00102     // Map between GPU constant type to string value.
00103     GpuConstTypeToStringMap mGpuConstTypeMap;
00104     // Map between parameter semantic to string value.
00105     ParamSemanticToStringMap mParamSemanticMap;
00106 };
00107 
00111 class _OgreRTSSExport ShaderProgramWriterHLSLFactory : public ProgramWriterFactory
00112 {
00113 public:
00114     ShaderProgramWriterHLSLFactory()
00115     {
00116         mLanguage = "hlsl";
00117     }
00118     virtual ~ShaderProgramWriterHLSLFactory() {}
00119 
00123     virtual const String& getTargetLanguage(void) const
00124     {
00125         return mLanguage;
00126     }
00127 
00131     virtual ProgramWriter* create(void)
00132     {
00133         return OGRE_NEW HLSLProgramWriter();
00134     }
00135 
00136 private:
00137     String mLanguage;
00138 
00139 };
00140 
00141 
00144 }
00145 }
00146 
00147 #endif

Copyright © 2012 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:23