OgreShaderHLSLProgramWriter.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) 2000-2013 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 
00054     HLSLProgramWriter();
00055 
00057     virtual ~HLSLProgramWriter();
00058 
00062     virtual void writeSourceCode(std::ostream& os, Program* program);
00063 
00067     virtual const String& getTargetLanguage() const { return TargetLanguage; }
00068 
00069     static String TargetLanguage;
00070 
00071     // Protected methods.
00072 protected:
00073 
00075     void initializeStringMaps();
00076 
00078     void writeProgramDependencies(std::ostream& os, Program* program);
00079 
00081     void writeUniformParameter(std::ostream& os, UniformParameterPtr parameter);
00082 
00084     void writeFunctionParameter(std::ostream& os, ParameterPtr parameter, const char* forcedSemantic);
00085 
00087     void writeLocalParameter(std::ostream& os, ParameterPtr parameter);
00088 
00090     void writeFunctionDeclaration(std::ostream& os, Function* function);
00091 
00093     void writeAtomInstance(std::ostream& os, FunctionAtom* atom);   
00094 
00095 protected:
00096     typedef map<GpuConstantType, const char*>::type     GpuConstTypeToStringMap;
00097     typedef map<Parameter::Semantic, const char*>::type ParamSemanticToStringMap;
00098 
00099     // Attributes.
00100 protected:
00101     // Map between GPU constant type to string value.
00102     GpuConstTypeToStringMap mGpuConstTypeMap;
00103     // Map between parameter semantic to string value.
00104     ParamSemanticToStringMap mParamSemanticMap;
00105 };
00106 
00110 class _OgreRTSSExport ShaderProgramWriterHLSLFactory : public ProgramWriterFactory
00111 {
00112 public:
00113     ShaderProgramWriterHLSLFactory()
00114     {
00115         mLanguage = "hlsl";
00116     }
00117     virtual ~ShaderProgramWriterHLSLFactory() {}
00118 
00122     virtual const String& getTargetLanguage(void) const
00123     {
00124         return mLanguage;
00125     }
00126 
00130     virtual ProgramWriter* create(void)
00131     {
00132         return OGRE_NEW HLSLProgramWriter();
00133     }
00134 
00135 private:
00136     String mLanguage;
00137 
00138 };
00139 
00140 
00143 }
00144 }
00145 
00146 #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 Mon Jul 27 2020 13:40:46