OgreGLSLESProgram.h
Go to the documentation of this file.

    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__

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21