OgreShaderCGProgramWriter.h
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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 __ShaderProgramWriterCG_H__
00029 #define __ShaderProgramWriterCG_H__
00030 
00031 #include "OgreShaderProgramWriterManager.h"
00032 
00033 namespace Ogre {
00034 namespace RTShader {
00035 
00046 class _OgreRTSSExport CGProgramWriter : public ProgramWriter
00047 {
00048 
00049 // Interface.
00050 public:
00051 
00055     CGProgramWriter();
00056 
00058     virtual ~CGProgramWriter();
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, ParameterPtr & colorParameter);
00092 
00094     void writeAtomInstance(std::ostream& os, FunctionAtom* atom);
00095 
00096 
00097 protected:
00098     typedef map<GpuConstantType, const char*>::type GpuConstTypeToStringMap;
00099     typedef map<Parameter::Semantic, const char*>::type ParamSemanticToStringMap;
00100 
00101 // Attributes.
00102 protected:
00103     // Map between GPU constant type to string value.
00104     GpuConstTypeToStringMap mGpuConstTypeMap;
00105     // Map between parameter semantic to string value.
00106     ParamSemanticToStringMap mParamSemanticMap;
00107 };
00108 
00112 class _OgreRTSSExport ShaderProgramWriterCGFactory : public ProgramWriterFactory
00113 {
00114 public:
00115     ShaderProgramWriterCGFactory()
00116     {
00117         mLanguage = "cg";
00118     }
00119     virtual ~ShaderProgramWriterCGFactory() {}
00120 
00124     virtual const String& getTargetLanguage(void) const
00125     {
00126         return mLanguage;
00127     }
00128 
00132     virtual ProgramWriter* create(void)
00133     {
00134         return OGRE_NEW CGProgramWriter();
00135     }
00136 
00137 private:
00138     String mLanguage;
00139 
00140 };
00141 
00144 }
00145 }
00146 
00147 #endif

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