Open Inventor Reference
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00001 /* 00002 * 00003 * Copyright (C) 2000 Silicon Graphics, Inc. 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: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 00027 * Mountain View, CA 94043, or: 00028 * 00029 * http://www.sgi.com 00030 * 00031 * For further information regarding this notice, see: 00032 * 00033 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 00034 * 00035 */ 00036 00037 00038 /* 00039 * Copyright (C) 1990,91 Silicon Graphics, Inc. 00040 * 00041 _______________________________________________________________________ 00042 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00043 | 00044 | $Revision: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | This file defines the SoVertexShape node class. 00048 | 00049 | Author(s) : Paul S. Strauss 00050 | 00051 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00052 _______________________________________________________________________ 00053 */ 00054 00055 #ifndef _SO_VERTEX_SHAPE_ 00056 #define _SO_VERTEX_SHAPE_ 00057 00058 #include <Inventor/nodes/SoShape.h> 00059 #include <Inventor/nodes/SoVertexProperty.h> 00060 #include <Inventor/fields/SoSFNode.h> 00061 00062 00063 class SoNormalBundle; 00064 class SoNormalCache; 00065 class SoState; 00066 00067 00070 00133 00134 00135 class INVENTOR_API SoVertexShape : public SoShape { 00136 00137 SO_NODE_ABSTRACT_HEADER(SoVertexShape); 00138 00139 public: 00140 SoSFNode vertexProperty; 00141 00142 SoEXTENDER public: 00147 virtual SbBool generateDefaultNormals(SoState *state, 00148 SoNormalBundle *nb); 00149 00150 SoINTERNAL public: 00151 static void initClass(); 00152 00154 virtual void notify(SoNotList *list); 00155 00156 protected: 00158 SoVertexShape(); 00159 00160 virtual ~SoVertexShape(); 00161 00165 virtual SbBool shouldGLRender(SoGLRenderAction *action); 00166 00169 SoVertexPropertyCache vpCache; 00170 00173 void setNormalCache(SoState *state, 00174 int numNormals, const SbVec3f *normals); 00175 00177 SoNormalCache *getNormalCache() const { return normalCache; } 00178 00181 bool beginVertexArrayRendering(SoGLRenderAction* action); 00182 00184 void endVertexArrayRendering(SoGLRenderAction* action, bool vboWasUsed); 00185 00186 public: 00188 typedef void VertexArrayRenderingCB(SoVertexShape* shape, SoGLRenderAction*, bool useVbo, uint32_t numVertices); 00189 00191 static void setPreVertexArrayRenderingCallback(VertexArrayRenderingCB* cb); 00193 static void setPostVertexArrayRenderingCallback(VertexArrayRenderingCB* cb); 00194 00195 private: 00197 SoNormalCache *normalCache; 00198 00199 static VertexArrayRenderingCB* _preVertexArrayRenderingCB; 00200 static VertexArrayRenderingCB* _postVertexArrayRenderingCB; 00201 }; 00202 00203 #endif /* _SO_VERTEX_SHAPE_ */