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 Fri May 25 2012 21:48:50