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 SoIndexedFaceSet node class. 00048 | 00049 | Author(s) : Paul S. Strauss, Gavin Bell 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_FACE_SET_ 00056 #define _SO_INDEXED_FACE_SET_ 00057 00058 #include <Inventor/system/SbSystem.h> 00059 #include <Inventor/nodes/SoIndexedShape.h> 00060 00061 class SoVertexArrayIndexer; 00062 00063 00066 #define SO_END_FACE_INDEX (-1) 00067 00068 class SoNormalBundle; 00069 class SoCoordinateElement; 00070 class SoShapeStyleElement; 00071 00074 00147 00148 00149 class INVENTOR_API SoIndexedFaceSet : public SoIndexedShape { 00150 00151 SO_NODE_HEADER(SoIndexedFaceSet); 00152 00153 public: 00154 00156 SoIndexedFaceSet(); 00157 00158 SoEXTENDER public: 00160 virtual void GLRender(SoGLRenderAction *action); 00161 00164 virtual SbBool generateDefaultNormals(SoState *state, 00165 SoNormalBundle *nb); 00166 00169 typedef void (SoIndexedFaceSet::*PMFS)(SoGLRenderAction *); 00170 00171 SoINTERNAL public: 00172 static void initClass(); 00173 00175 enum Binding { 00176 OVERALL, PER_FACE, PER_FACE_INDEXED, PER_VERTEX, 00177 PER_VERTEX_INDEXED 00178 }; 00179 00180 protected: 00182 virtual void generatePrimitives(SoAction *action); 00183 00185 virtual SoDetail * createTriangleDetail(SoRayPickAction *action, 00186 const SoPrimitiveVertex *v1, 00187 const SoPrimitiveVertex *v2, 00188 const SoPrimitiveVertex *v3, 00189 SoPickedPoint *pp); 00190 ~SoIndexedFaceSet(); 00191 00192 private: 00194 void GLRenderInternal( SoGLRenderAction * action, uint32_t useTexCoordsAnyway, const SoShapeStyleElement * shapeStyle); 00195 00197 Binding savedNormalBinding; 00198 00200 Binding getMaterialBinding(SoAction *action); 00201 Binding getNormalBinding(SoAction *action, 00202 SoNormalBundle *nb); 00203 00206 SbBool figureNormals(SoState *state, SoNormalBundle *nb); 00207 00209 virtual void notify(SoNotList *list); 00210 00212 void setupNumTrisQuadsFaces(); 00213 00215 int numTris, numQuads, numFaces; 00216 00217 SoVertexArrayIndexer* _triangleIndexer; 00218 SoVertexArrayIndexer* _quadIndexer; 00219 00226 void TriOmOn(SoGLRenderAction *); void TriOmOnT(SoGLRenderAction *); 00227 void TriOmFn(SoGLRenderAction *); void TriOmFnT(SoGLRenderAction *); 00228 void TriOmVn(SoGLRenderAction *); void TriOmVnT(SoGLRenderAction *); 00229 void TriFmOn(SoGLRenderAction *); void TriFmOnT(SoGLRenderAction *); 00230 void TriFmFn(SoGLRenderAction *); void TriFmFnT(SoGLRenderAction *); 00231 void TriFmVn(SoGLRenderAction *); void TriFmVnT(SoGLRenderAction *); 00232 void TriVmOn(SoGLRenderAction *); void TriVmOnT(SoGLRenderAction *); 00233 void TriVmFn(SoGLRenderAction *); void TriVmFnT(SoGLRenderAction *); 00234 void TriVmVn(SoGLRenderAction *); void TriVmVnT(SoGLRenderAction *); 00235 void QuadOmOn(SoGLRenderAction *); void QuadOmOnT(SoGLRenderAction *); 00236 void QuadOmFn(SoGLRenderAction *); void QuadOmFnT(SoGLRenderAction *); 00237 void QuadOmVn(SoGLRenderAction *); void QuadOmVnT(SoGLRenderAction *); 00238 void QuadFmOn(SoGLRenderAction *); void QuadFmOnT(SoGLRenderAction *); 00239 void QuadFmFn(SoGLRenderAction *); void QuadFmFnT(SoGLRenderAction *); 00240 void QuadFmVn(SoGLRenderAction *); void QuadFmVnT(SoGLRenderAction *); 00241 void QuadVmOn(SoGLRenderAction *); void QuadVmOnT(SoGLRenderAction *); 00242 void QuadVmFn(SoGLRenderAction *); void QuadVmFnT(SoGLRenderAction *); 00243 void QuadVmVn(SoGLRenderAction *); void QuadVmVnT(SoGLRenderAction *); 00244 void GenOmOn(SoGLRenderAction *); void GenOmOnT(SoGLRenderAction *); 00245 void GenOmFn(SoGLRenderAction *); void GenOmFnT(SoGLRenderAction *); 00246 void GenOmVn(SoGLRenderAction *); void GenOmVnT(SoGLRenderAction *); 00247 void GenFmOn(SoGLRenderAction *); void GenFmOnT(SoGLRenderAction *); 00248 void GenFmFn(SoGLRenderAction *); void GenFmFnT(SoGLRenderAction *); 00249 void GenFmVn(SoGLRenderAction *); void GenFmVnT(SoGLRenderAction *); 00250 void GenVmOn(SoGLRenderAction *); void GenVmOnT(SoGLRenderAction *); 00251 void GenVmFn(SoGLRenderAction *); void GenVmFnT(SoGLRenderAction *); 00252 void GenVmVn(SoGLRenderAction *); void GenVmVnT(SoGLRenderAction *); 00253 00255 static PMFS TriRenderFunc[32]; 00256 static PMFS QuadRenderFunc[32]; 00257 static PMFS GenRenderFunc[32]; 00258 }; 00259 00260 #endif /* _SO_INDEXED_FACE_SET_ */