1 /* 2 ----------------------------------------------------------------------------- 3 This source file is part of OGRE 4 (Object-oriented Graphics Rendering Engine) 5 For the latest info, see http://www.ogre3d.org/ 6 7 Copyright (c) 2000-2013 Torus Knot Software Ltd 8 9 Permission is hereby granted, free of charge, to any person obtaining a copy 10 of this software and associated documentation files (the "Software"), to deal 11 in the Software without restriction, including without limitation the rights 12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 13 copies of the Software, and to permit persons to whom the Software is 14 furnished to do so, subject to the following conditions: 15 16 The above copyright notice and this permission notice shall be included in 17 all copies or substantial portions of the Software. 18 19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 25 THE SOFTWARE. 26 ----------------------------------------------------------------------------- 27 */ 28 #ifndef __ShaderProgramWriterHLSL_H__ 29 #define __ShaderProgramWriterHLSL_H__ 30 31 #include "OgreShaderProgramWriterManager.h" 32 33 namespace Ogre { 34 namespace RTShader { 35 36 /** \addtogroup Core 37 * @{ 38 */ 39 /** \addtogroup RTShader 40 * @{ 41 */ 42 43 /** HLSL target language writer implementation. 44 @see ProgramWriter. 45 */ 46 class _OgreRTSSExport HLSLProgramWriter : public ProgramWriter 47 { 48 49 // Interface. 50 public: 51 52 /** Class constructor. 53 */ 54 HLSLProgramWriter(); 55 56 /** Class destructor */ 57 virtual ~HLSLProgramWriter(); 58 59 /** 60 @see ProgramWriter::writeSourceCode. 61 */ 62 virtual void writeSourceCode(std::ostream& os, Program* program); 63 64 /** 65 @see ProgramWriter::getTargetLanguage. 66 */ getTargetLanguage()67 virtual const String& getTargetLanguage() const { return TargetLanguage; } 68 69 static String TargetLanguage; 70 71 // Protected methods. 72 protected: 73 74 /** Initialize string maps. */ 75 void initializeStringMaps(); 76 77 /** Write the program dependencies. */ 78 void writeProgramDependencies(std::ostream& os, Program* program); 79 80 /** Write a uniform parameter. */ 81 void writeUniformParameter(std::ostream& os, UniformParameterPtr parameter); 82 83 /** Write a function parameter. */ 84 void writeFunctionParameter(std::ostream& os, ParameterPtr parameter, const char* forcedSemantic); 85 86 /** Write a local parameter. */ 87 void writeLocalParameter(std::ostream& os, ParameterPtr parameter); 88 89 /** Write a function declaration. */ 90 void writeFunctionDeclaration(std::ostream& os, Function* function); 91 92 /** Write function atom instance. */ 93 void writeAtomInstance(std::ostream& os, FunctionAtom* atom); 94 95 protected: 96 typedef map<GpuConstantType, const char*>::type GpuConstTypeToStringMap; 97 typedef map<Parameter::Semantic, const char*>::type ParamSemanticToStringMap; 98 99 // Attributes. 100 protected: 101 // Map between GPU constant type to string value. 102 GpuConstTypeToStringMap mGpuConstTypeMap; 103 // Map between parameter semantic to string value. 104 ParamSemanticToStringMap mParamSemanticMap; 105 }; 106 107 /** HLSL program writer factory implementation. 108 @see ProgramWriterFactory 109 */ 110 class _OgreRTSSExport ShaderProgramWriterHLSLFactory : public ProgramWriterFactory 111 { 112 public: ShaderProgramWriterHLSLFactory()113 ShaderProgramWriterHLSLFactory() 114 { 115 mLanguage = "hlsl"; 116 } ~ShaderProgramWriterHLSLFactory()117 virtual ~ShaderProgramWriterHLSLFactory() {} 118 119 /** 120 @see ProgramWriterFactory::getTargetLanguage 121 */ getTargetLanguage(void)122 virtual const String& getTargetLanguage(void) const 123 { 124 return mLanguage; 125 } 126 127 /** 128 @see ProgramWriterFactory::create 129 */ create(void)130 virtual ProgramWriter* create(void) 131 { 132 return OGRE_NEW HLSLProgramWriter(); 133 } 134 135 private: 136 String mLanguage; 137 138 }; 139 140 141 /** @} */ 142 /** @} */ 143 } 144 } 145 146 #endif 147