OgreGLSLESProgramCommon.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 __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
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21