OgreGLSLESProgramManagerCommon.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) 2000-2012 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 __GLSLESProgramManagerCommon_H__
00029 #define __GLSLESProgramManagerCommon_H__
00030 
00031 #include "OgreGLES2Prerequisites.h"
00032 #include "OgreSingleton.h"
00033 #include "OgreGLSLESProgramCommon.h"
00034 #include "OgreGLSLESExtSupport.h"
00035 
00036 #if !OGRE_NO_GLES2_GLSL_OPTIMISER
00037 #   include "glsl_optimizer.h"
00038 #endif
00039 
00040 namespace Ogre {
00041 
00042 
00054     class _OgreGLES2Export GLSLESProgramManagerCommon
00055     {
00056     protected:
00058         GLSLESGpuProgram* mActiveVertexGpuProgram;
00059         GLSLESGpuProgram* mActiveFragmentGpuProgram;
00060 
00061         typedef map<String, GLenum>::type StringToEnumMap;
00062         StringToEnumMap mTypeEnumMap;
00063 #if !OGRE_NO_GLES2_GLSL_OPTIMISER
00064         struct glslopt_ctx *mGLSLOptimiserContext;
00065 #endif
00066 
00067         void completeDefInfo(GLenum gltype, GpuConstantDefinition& defToUpdate);
00069         bool completeParamSource(const String& paramName,
00070             const GpuConstantDefinitionMap* vertexConstantDefs, 
00071             const GpuConstantDefinitionMap* fragmentConstantDefs,
00072             GLUniformReference& refToUpdate);
00073 
00074     public:
00075 
00076         GLSLESProgramManagerCommon(void);
00077         ~GLSLESProgramManagerCommon(void);
00078 
00079 #if !OGRE_NO_GLES2_GLSL_OPTIMISER
00080 
00083         void optimiseShaderSource(GLSLESGpuProgram* gpuProgram);
00084 #endif
00085 
00097         void extractUniforms(GLuint programObject, 
00098             const GpuConstantDefinitionMap* vertexConstantDefs, 
00099             const GpuConstantDefinitionMap* fragmentConstantDefs,
00100             GLUniformReferenceList& list);
00107         void extractConstantDefs(const String& src, GpuNamedConstants& constantDefs, 
00108             const String& filename);
00109     };
00110 
00111 }
00112 
00113 #endif // __GLSLESProgramManagerCommon_H__

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 Sun Sep 2 2012 07:27:21