OgreGLSLLinkProgramManager.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 __GLSLLinkProgramManager_H__
00029 #define __GLSLLinkProgramManager_H__
00030 
00031 #include "OgreGLPrerequisites.h"
00032 #include "OgreSingleton.h"
00033 
00034 #include "OgreGLSLExtSupport.h"
00035 #include "OgreGLSLLinkProgram.h"
00036 
00037 namespace Ogre {
00038 
00039 
00052     class _OgreGLExport GLSLLinkProgramManager : public Singleton<GLSLLinkProgramManager>
00053     {
00054 
00055     private:
00056     
00057         typedef map<uint64, GLSLLinkProgram*>::type LinkProgramMap;
00058         typedef LinkProgramMap::iterator LinkProgramIterator;
00059 
00061         LinkProgramMap mLinkPrograms; 
00062 
00064         GLSLGpuProgram* mActiveVertexGpuProgram;
00065         GLSLGpuProgram* mActiveGeometryGpuProgram;
00066         GLSLGpuProgram* mActiveFragmentGpuProgram;
00067         GLSLLinkProgram* mActiveLinkProgram;
00068 
00069         typedef map<String, GLenum>::type StringToEnumMap;
00070         StringToEnumMap mTypeEnumMap;
00071 
00073         void completeDefInfo(GLenum gltype, GpuConstantDefinition& defToUpdate);
00075         bool completeParamSource(const String& paramName,
00076             const GpuConstantDefinitionMap* vertexConstantDefs, 
00077             const GpuConstantDefinitionMap* geometryConstantDefs,
00078             const GpuConstantDefinitionMap* fragmentConstantDefs,
00079             GLUniformReference& refToUpdate);
00080 
00081     public:
00082 
00083         GLSLLinkProgramManager(void);
00084 
00085         ~GLSLLinkProgramManager(void);
00086 
00091         GLSLLinkProgram* getActiveLinkProgram(void);
00092 
00097         void setActiveFragmentShader(GLSLGpuProgram* fragmentGpuProgram);
00102         void setActiveGeometryShader(GLSLGpuProgram* geometryGpuProgram);
00107         void setActiveVertexShader(GLSLGpuProgram* vertexGpuProgram);
00108 
00123         void extractUniforms(GLhandleARB programObject, 
00124             const GpuConstantDefinitionMap* vertexConstantDefs, 
00125             const GpuConstantDefinitionMap* geometryConstantDefs,
00126             const GpuConstantDefinitionMap* fragmentConstantDefs,
00127             GLUniformReferenceList& list);
00134         void extractConstantDefs(const String& src, GpuNamedConstants& constantDefs, 
00135             const String& filename);
00136 
00137         static GLSLLinkProgramManager& getSingleton(void);
00138         static GLSLLinkProgramManager* getSingletonPtr(void);
00139 
00140     };
00141 
00142 }
00143 
00144 #endif // __GLSLLinkProgramManager_H__

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