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 __GLSLESProgram_H__ 00029 #define __GLSLESProgram_H__ 00030 00031 #include "OgreGLES2Prerequisites.h" 00032 #include "OgreHighLevelGpuProgram.h" 00033 00034 namespace Ogre { 00049 class _OgreGLES2Export GLSLESProgram : public HighLevelGpuProgram 00050 { 00051 public: 00052 #if !OGRE_NO_GLES2_GLSL_OPTIMISER 00053 00054 class CmdOptimisation : public ParamCommand 00055 { 00056 public: 00057 String doGet(const void* target) const; 00058 void doSet(void* target, const String& val); 00059 }; 00060 #endif 00061 00062 class CmdPreprocessorDefines : public ParamCommand 00063 { 00064 public: 00065 String doGet(const void* target) const; 00066 void doSet(void* target, const String& val); 00067 }; 00068 00069 GLSLESProgram(ResourceManager* creator, 00070 const String& name, ResourceHandle handle, 00071 const String& group, bool isManual, ManualResourceLoader* loader); 00072 ~GLSLESProgram(); 00073 00075 GLuint getGLShaderHandle() const { return mGLShaderHandle; } 00076 void attachToProgramObject( const GLuint programObject ); 00077 void detachFromProgramObject( const GLuint programObject ); 00078 GLuint getGLProgramHandle() const { return mGLProgramHandle; } 00079 00081 bool getPassTransformStates(void) const; 00082 bool getPassSurfaceAndLightStates(void) const; 00083 bool getPassFogStates(void) const; 00084 00086 void setPreprocessorDefines(const String& defines) { mPreprocessorDefines = defines; } 00088 const String& getPreprocessorDefines(void) const { return mPreprocessorDefines; } 00089 00090 #if !OGRE_NO_GLES2_GLSL_OPTIMISER 00091 00092 void setOptimiserEnabled(bool enabled) { mOptimiserEnabled = enabled; } 00094 bool getOptimiserEnabled(void) const { return mOptimiserEnabled; } 00095 00097 void setIsOptimised(bool flag) { mIsOptimised = flag; } 00099 bool getIsOptimised(void) { return mIsOptimised; } 00100 #endif 00101 00103 const String& getLanguage(void) const; 00105 GpuProgramParametersSharedPtr createParameters(void); 00106 00108 bool compile( const bool checkErrors = false); 00109 00110 protected: 00111 static CmdPreprocessorDefines msCmdPreprocessorDefines; 00112 #if !OGRE_NO_GLES2_GLSL_OPTIMISER 00113 static CmdOptimisation msCmdOptimisation; 00114 #endif 00115 00118 void loadFromSource(void); 00124 void createLowLevelImpl(void); 00126 void unloadHighLevelImpl(void); 00128 void unloadImpl(void); 00129 00131 void populateParameterNames(GpuProgramParametersSharedPtr params); 00133 void buildConstantDefinitions() const; 00139 void checkAndFixInvalidDefaultPrecisionError( String &message ); 00140 private: 00142 GLuint mGLShaderHandle; 00143 GLuint mGLProgramHandle; 00145 GLint mCompiled; 00147 bool mIsOptimised; 00149 String mPreprocessorDefines; 00150 #if !OGRE_NO_GLES2_GLSL_OPTIMISER 00151 bool mOptimiserEnabled; 00152 #endif 00153 }; 00154 } 00155 00156 #endif // __GLSLESProgram_H__
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Last modified Sun Sep 2 2012 07:27:21