# 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) 2000-2009 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, bool & needToTranslateHlsl4Color, 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     GpuConstTypeToStringMap     mGpuConstTypeMap;       // Map between GPU constant type to string value.
    00104     ParamSemanticToStringMap    mParamSemanticMap;      // Map between parameter semantic to string value.
    00105 };
    00106
    00110 class _OgreRTSSExport ShaderProgramWriterCGFactory : public ProgramWriterFactory
    00111 {
    00112 public:
    00113     ShaderProgramWriterCGFactory()
    00114     {
    00115         mLanguage = "cg";
    00116     }
    00117     virtual ~ShaderProgramWriterCGFactory() {}
    00118
    00122     virtual const String& getTargetLanguage(void) const
    00123     {
    00124         return mLanguage;
    00125     }
    00126
    00130     virtual ProgramWriter* create(void)
    00131     {
    00132         return OGRE_NEW CGProgramWriter();
    00133     }
    00134
    00135 private:
    00136     String mLanguage;
    00137
    00138 };
    00139
    00142 }
    00143 }
    00144
    00145 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:09