00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_GL_SHAPE_HINTS_ELEMENT 00051 #define _SO_GL_SHAPE_HINTS_ELEMENT 00052 00053 #include <Inventor/elements/SoShapeHintsElement.h> 00054 #include <SoDeprecationRules.h> 00055 00073 SoEXTENDER_Documented class SoDEPRECATED SoGLShapeHintsElement : public SoShapeHintsElement 00074 { 00075 SO_ELEMENT_HEADER(SoGLShapeHintsElement); 00076 00077 public: 00082 virtual void push(SoState *state); 00083 00087 virtual void pop(SoState *state, const SoElement *prevTopElement); 00088 00089 private: 00090 00092 virtual void init(SoState *state); 00093 00094 private: 00095 // Initializes the SoGLShapeHintsElement class 00096 static void initClass(); 00097 static void exitClass(); 00098 00099 private: 00100 // Override virtual sets to have GL side effects 00101 virtual void setElt(SoState *state, VertexOrdering vertexOrdering, 00102 ShapeType shapeType, FaceType faceType); 00103 00104 // Note the "_" is required because windingType is a member variable in 00105 // our parent class (gives warning on some compilers). 00106 virtual void setElt(SoState *state, WindingType _windingType) { 00107 SoShapeHintsElement::setElt(state, _windingType); 00108 }; 00109 00110 virtual ~SoGLShapeHintsElement(); 00111 00112 private: 00113 void setFixedPipelineShader(SoState *state); 00114 00115 // We save the state to figure out if the hints were 00116 // copied from a parent element; if they were, then caches will have 00117 // to depend on that element because if it changes we have to have 00118 // a chance to change our decision about what GL calls to make. 00119 // If this is NULL, then there are no cache dependencies. 00120 SoState * copiedFromParent; 00121 00122 // Sends shape hints in element to GL 00123 void send(SoState *state); 00124 }; 00125 00126 #endif /* _SO_GL_SHAPE_HINTS_ELEMENT */ 00127 00128 00129