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