Open Inventor Reference
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00001 /* 00002 * 00003 * Copyright (C) 2011 MeVis Medical Solutions AG All Rights Reserved. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * Further, this software is distributed without any warranty that it is 00016 * free of the rightful claim of any third person regarding infringement 00017 * or the like. Any license provided herein, whether implied or 00018 * otherwise, applies only to this software file. Patent licenses, if 00019 * any, provided herein do not apply to combinations of this program with 00020 * other software, or any other product whatsoever. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 * Contact information: MeVis, Center for Medical Diagnostic Systems and 00027 * Visualization GmbH, Universitätsallee 29, D-28359 Bremen, GERMANY, or: 00028 * 00029 * http://www.mevis.de 00030 * 00031 */ 00032 00033 /* 00034 Author: Florian Link 00035 Date: 09-2011 00036 */ 00037 00038 #ifndef _SO_VBO_ 00039 #define _SO_VBO_ 00040 00041 #include <Inventor/SbBasic.h> 00042 #include <Inventor/system/SbOpenGL.h> 00043 00044 class SoState; 00045 class SoGLDisplayList; 00046 00051 class INVENTOR_API SoVBO 00052 { 00053 public: 00055 SoVBO(GLenum type); 00056 ~SoVBO(); 00057 00059 static bool shouldUseVBO(SoState* state, int numData); 00060 00063 static bool isVertexArrayRenderingAllowed(); 00064 00069 bool bind(SoState* state); 00070 00072 void unbind(); 00073 00075 void setData(int numBytes, const void* data, int nodeId, SoState* state); 00076 00078 uint32_t getDataId() const { return _nodeId; } 00079 00081 void clearData(); 00082 00084 const void* getData() const { return _data; } 00085 00087 void freeGL(SoState* state = NULL); 00088 00090 bool hasSwappedRGBAData() const { return _hasSwappedRGBAData; } 00091 00094 void copyAndSwapPackedRGBA(SoState* state); 00095 00096 private: 00098 void allocateData(int numBytes, int nodeId, SoState* state); 00099 00102 void copyAndSwapPackedRGBA(int numValues, const uint32_t* values, int nodeId, SoState* state); 00103 00104 GLenum _type; 00105 00106 const void* _data; 00107 int _numBytes; 00108 uint32_t _nodeId; 00109 00110 SoGLDisplayList* _glBuffer; 00111 00112 bool _ownsData; 00113 bool _hasSwappedRGBAData; 00114 bool _hadGLError; 00115 00116 static int _vboMinimumSizeLimit; 00117 static int _vboMaximumSizeLimit; 00118 }; 00119 00120 #endif