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 SoIndexedTriangleSet node class. 00048 | 00049 | Author(s) : Paul S. Strauss, Gavin Bell, Florian Link 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_INDEXED_TRIANGLE_SET_ 00056 #define _SO_INDEXED_TRIANGLE_SET_ 00057 00058 #include <Inventor/system/SbSystem.h> 00059 #include <Inventor/nodes/SoIndexedShape.h> 00060 #include <Inventor/fields/SoSFBool.h> 00061 00062 class SoVertexArrayIndexer; 00063 00083 00084 class SoNormalBundle; 00085 class SoCoordinateElement; 00086 class SoShapeStyleElement; 00087 00088 class INVENTOR_API SoIndexedTriangleSet : public SoIndexedShape { 00089 00090 SO_NODE_HEADER(SoIndexedTriangleSet); 00091 00092 public: 00093 // \name Fields 00095 00096 SoSFBool sendAdjacency; 00098 00100 SoIndexedTriangleSet(); 00101 00102 SoEXTENDER public: 00104 virtual void GLRender(SoGLRenderAction *action); 00105 00108 virtual SbBool generateDefaultNormals(SoState *state, 00109 SoNormalBundle *nb); 00110 00113 typedef void (SoIndexedTriangleSet::*PMFS)(SoGLRenderAction *); 00114 00115 SoINTERNAL public: 00116 static void initClass(); 00117 00119 enum Binding { 00120 OVERALL, PER_FACE, PER_FACE_INDEXED, PER_VERTEX, 00121 PER_VERTEX_INDEXED 00122 }; 00123 00124 protected: 00126 virtual void generatePrimitives(SoAction *action); 00127 00129 virtual SoDetail * createTriangleDetail(SoRayPickAction *action, 00130 const SoPrimitiveVertex *v1, 00131 const SoPrimitiveVertex *v2, 00132 const SoPrimitiveVertex *v3, 00133 SoPickedPoint *pp); 00134 ~SoIndexedTriangleSet(); 00135 00136 private: 00138 void GLRenderInternal( SoGLRenderAction * action, uint32_t useTexCoordsAnyway, const SoShapeStyleElement * shapeStyle); 00139 00141 Binding savedNormalBinding; 00142 00144 Binding getMaterialBinding(SoAction *action); 00145 Binding getNormalBinding(SoAction *action, 00146 SoNormalBundle *nb); 00147 00150 SbBool figureNormals(SoState *state, SoNormalBundle *nb); 00151 00153 virtual void notify(SoNotList *list); 00154 00156 void setupNumTrisQuadsFaces(); 00157 00159 int numTris; 00160 00161 SoVertexArrayIndexer* _triangleIndexer; 00162 00169 void TriOmOn(SoGLRenderAction *); void TriOmOnT(SoGLRenderAction *); 00170 void TriOmFn(SoGLRenderAction *); void TriOmFnT(SoGLRenderAction *); 00171 void TriOmVn(SoGLRenderAction *); void TriOmVnT(SoGLRenderAction *); 00172 void TriFmOn(SoGLRenderAction *); void TriFmOnT(SoGLRenderAction *); 00173 void TriFmFn(SoGLRenderAction *); void TriFmFnT(SoGLRenderAction *); 00174 void TriFmVn(SoGLRenderAction *); void TriFmVnT(SoGLRenderAction *); 00175 void TriVmOn(SoGLRenderAction *); void TriVmOnT(SoGLRenderAction *); 00176 void TriVmFn(SoGLRenderAction *); void TriVmFnT(SoGLRenderAction *); 00177 void TriVmVn(SoGLRenderAction *); void TriVmVnT(SoGLRenderAction *); 00178 00180 static PMFS TriRenderFunc[32]; 00181 }; 00182 00183 #endif /* _SO_INDEXED_TRIANGLE_SET_ */