OgreGLSLLinkProgram.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 __GLSLLinkProgram_H__
    00029 #define __GLSLLinkProgram_H__
    00030
    00031 #include "OgreGLPrerequisites.h"
    00032 #include "OgreGpuProgram.h"
    00033 #include "OgreHardwareVertexBuffer.h"
    00034
    00035 namespace Ogre {
    00037     struct GLUniformReference
    00038     {
    00040         GLint  mLocation;
    00042         GpuProgramType mSourceProgType;
    00044         const GpuConstantDefinition* mConstantDef;
    00045     };
    00046
    00047     typedef vector<GLUniformReference>::type GLUniformReferenceList;
    00048     typedef GLUniformReferenceList::iterator GLUniformReferenceIterator;
    00049
    00054     class _OgreGLExport GLSLLinkProgram
    00055     {
    00056     private:
    00058         GLUniformReferenceList mGLUniformReferences;
    00059
    00061         GLSLGpuProgram* mVertexProgram;
    00063         GLSLGpuProgram* mGeometryProgram;
    00065         GLSLGpuProgram* mFragmentProgram;
    00066
    00068         bool        mUniformRefsBuilt;
    00070         GLhandleARB mGLHandle;
    00072         GLint       mLinked;
    00074         bool        mTriedToLinkAndFailed;
    00076         bool mSkeletalAnimation;
    00077
    00079         void buildGLUniformReferences(void);
    00081         void extractAttributes(void);
    00082
    00083         typedef set<GLuint>::type AttributeSet;
    00085         AttributeSet mValidAttributes;
    00086
    00088         struct CustomAttribute
    00089         {
    00090             String name;
    00091             GLuint attrib;
    00092             CustomAttribute(const String& _name, GLuint _attrib)
    00093                 :name(_name), attrib(_attrib) {}
    00094         };
    00095
    00096         static CustomAttribute msCustomAttributes[];
    00097
    00098         String getCombinedName();
    00100         void compileAndLink();
    00102         void getMicrocodeFromCache();
    00103     public:
    00105         GLSLLinkProgram(GLSLGpuProgram* vertexProgram, GLSLGpuProgram* geometryProgram, GLSLGpuProgram* fragmentProgram);
    00106         ~GLSLLinkProgram(void);
    00107
    00111         void activate(void);
    00112
    00116         void updateUniforms(GpuProgramParametersSharedPtr params, uint16 mask, GpuProgramType fromProgType);
    00120         void updatePassIterationUniforms(GpuProgramParametersSharedPtr params);
    00122         GLhandleARB getGLHandle(void) const { return mGLHandle; }
    00129         void setSkeletalAnimationIncluded(bool included)
    00130         { mSkeletalAnimation = included; }
    00131
    00138         bool isSkeletalAnimationIncluded(void) const { return mSkeletalAnimation; }
    00139
    00141         GLuint getAttributeIndex(VertexElementSemantic semantic, uint index);
    00143         bool isAttributeValid(VertexElementSemantic semantic, uint index);
    00144
    00145     };
    00146
    00147 }
    00148
    00149 #endif // __GLSLLinkProgram_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