OgreGLSLESProgramCommon.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 __GLSLESProgramCommon_H__
00029 #define __GLSLESProgramCommon_H__
00030 
00031 #include "OgreGLES2Prerequisites.h"
00032 #include "OgreGpuProgram.h"
00033 #include "OgreHardwareVertexBuffer.h"
00034 
00035 namespace Ogre {
00036 
00037     class GLSLESGpuProgram;
00038 
00040     struct GLUniformReference
00041     {
00043         GLint mLocation;
00045         GpuProgramType mSourceProgType;
00047         const GpuConstantDefinition* mConstantDef;
00048     };
00049 
00050     typedef vector<GLUniformReference>::type GLUniformReferenceList;
00051     typedef GLUniformReferenceList::iterator GLUniformReferenceIterator;
00052 
00057     class _OgreGLES2Export GLSLESProgramCommon
00058     {
00059     protected:
00061         GLUniformReferenceList mGLUniformReferences;
00062 
00064         GLSLESGpuProgram* mVertexProgram;
00066         GLSLESGpuProgram* mFragmentProgram;
00068         bool mUniformRefsBuilt;
00070         GLuint mGLProgramHandle;
00072         GLint mLinked;
00074         bool mTriedToLinkAndFailed;
00076         bool mSkeletalAnimation;
00077 
00079         void buildGLUniformReferences(void);
00080         typedef set<GLuint>::type AttributeSet;
00081 
00083         GLint mCustomAttributesIndexes[VES_COUNT][OGRE_MAX_TEXTURE_COORD_SETS];
00085 #define NULL_CUSTOM_ATTRIBUTES_INDEX -2
00086 
00087 #define NOT_FOUND_CUSTOM_ATTRIBUTES_INDEX -1
00088 
00089         Ogre::String getCombinedName(void);
00091         void getMicrocodeFromCache(void);
00093         virtual void compileAndLink(void) = 0;
00095         virtual void _useProgram(void) = 0;
00096 
00097         typedef map<String, VertexElementSemantic>::type SemanticToStringMap;
00098         SemanticToStringMap mSemanticTypeMap;
00099 
00100         VertexElementSemantic getAttributeSemanticEnum(String type);
00101         const char * getAttributeSemanticString(VertexElementSemantic semantic);
00102 
00103     public:
00105         GLSLESProgramCommon(GLSLESGpuProgram* vertexProgram, GLSLESGpuProgram* fragmentProgram);
00106         virtual ~GLSLESProgramCommon(void);
00107 
00110         virtual void activate(void) = 0;
00111 
00115         virtual void updateUniforms(GpuProgramParametersSharedPtr params, uint16 mask, GpuProgramType fromProgType) = 0;
00119         virtual void updatePassIterationUniforms(GpuProgramParametersSharedPtr params) = 0;
00121         GLuint getGLProgramHandle(void) const { return mGLProgramHandle; }
00128         void setSkeletalAnimationIncluded(bool included) { mSkeletalAnimation = included; }
00129 
00136         bool isSkeletalAnimationIncluded(void) const { return mSkeletalAnimation; }
00137 
00139         virtual GLint getAttributeIndex(VertexElementSemantic semantic, uint index);
00141         bool isAttributeValid(VertexElementSemantic semantic, uint index);
00142 
00143         GLSLESGpuProgram* getVertexProgram(void) const { return mVertexProgram; }
00144         GLSLESGpuProgram* getFragmentProgram(void) const { return mFragmentProgram; }
00145     };
00146 }
00147 
00148 #endif // __GLSLESProgramCommon_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