/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2012 Torus Knot Software Ltd Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ----------------------------------------------------------------------------- */ #ifndef __ShaderProgramWriterHLSL_H__ #define __ShaderProgramWriterHLSL_H__ #include "OgreShaderProgramWriterManager.h" namespace Ogre { namespace RTShader { /** \addtogroup Core * @{ */ /** \addtogroup RTShader * @{ */ /** HLSL target language writer implementation. @see ProgramWriter. */ class _OgreRTSSExport HLSLProgramWriter : public ProgramWriter { // Interface. public: /** Class constructor. @param language The target shader language. */ HLSLProgramWriter (); /** Class destructor */ virtual ~HLSLProgramWriter (); /** @see ProgramWriter::writeSourceCode. */ virtual void writeSourceCode (std::ostream& os, Program* program); /** @see ProgramWriter::getTargetLanguage. */ virtual const String& getTargetLanguage () const { return TargetLanguage; } static String TargetLanguage; // Protected methods. protected: /** Initialize string maps. */ void initializeStringMaps (); /** Write the program dependencies. */ void writeProgramDependencies (std::ostream& os, Program* program); /** Write a uniform parameter. */ void writeUniformParameter (std::ostream& os, UniformParameterPtr parameter); /** Write a function parameter. */ void writeFunctionParameter (std::ostream& os, ParameterPtr parameter); /** Write a local parameter. */ void writeLocalParameter (std::ostream& os, ParameterPtr parameter); /** Write a function declaration. */ void writeFunctionDeclaration (std::ostream& os, Function* function, bool & needToTranslateHlsl4Color, ParameterPtr & colorParameter); /** Write function atom instance. */ void writeAtomInstance (std::ostream& os, FunctionAtom* atom); protected: typedef map<GpuConstantType, const char*>::type GpuConstTypeToStringMap; typedef map<Parameter::Semantic, const char*>::type ParamSemanticToStringMap; // Attributes. protected: GpuConstTypeToStringMap mGpuConstTypeMap; // Map between GPU constant type to string value. ParamSemanticToStringMap mParamSemanticMap; // Map between parameter semantic to string value. }; /** HLSL program writer factory implementation. @see ProgramWriterFactory */ class _OgreRTSSExport ShaderProgramWriterHLSLFactory : public ProgramWriterFactory { public: ShaderProgramWriterHLSLFactory() { mLanguage = "hlsl"; } virtual ~ShaderProgramWriterHLSLFactory() {} /** @see ProgramWriterFactory::getTargetLanguage */ virtual const String& getTargetLanguage(void) const { return mLanguage; } /** @see ProgramWriterFactory::create */ virtual ProgramWriter* create(void) { return OGRE_NEW HLSLProgramWriter(); } private: String mLanguage; }; /** @} */ /** @} */ } } #endif