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File indexing completed on 2026-09-13 09:16:37
0001 // Created on: 1993-03-31 0002 // Created by: NW,JPB,CAL 0003 // Copyright (c) 1993-1999 Matra Datavision 0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS 0005 // 0006 // This file is part of Open CASCADE Technology software library. 0007 // 0008 // This library is free software; you can redistribute it and/or modify it under 0009 // the terms of the GNU Lesser General Public License version 2.1 as published 0010 // by the Free Software Foundation, with special exception defined in the file 0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 0012 // distribution for complete text of the license and disclaimer of any warranty. 0013 // 0014 // Alternatively, this file may be used under the terms of Open CASCADE 0015 // commercial license or contractual agreement. 0016 0017 #ifndef _Graphic3d_TypeOfPrimitiveArray_HeaderFile 0018 #define _Graphic3d_TypeOfPrimitiveArray_HeaderFile 0019 0020 //! The type of primitive array in a group in a structure. 0021 enum Graphic3d_TypeOfPrimitiveArray 0022 { 0023 Graphic3d_TOPA_UNDEFINED, //!< undefined primitive type 0024 // main rendering types 0025 Graphic3d_TOPA_POINTS, //!< individual points 0026 Graphic3d_TOPA_SEGMENTS, //!< segments array - each 2 vertexes define 1 segment 0027 Graphic3d_TOPA_POLYLINES, //!< line strip - each new vertex in array defines segment with previous 0028 //!< one 0029 Graphic3d_TOPA_TRIANGLES, //!< triangle array - each 3 vertexes define 1 triangle 0030 Graphic3d_TOPA_TRIANGLESTRIPS, //!< triangle strip - each new vertex in array defines triangle 0031 //!< with 2 previous vertexes 0032 Graphic3d_TOPA_TRIANGLEFANS, //!< triangle fan - each new vertex in array define triangle with the 0033 //!< previous vertex and the very first vertex (fan center) 0034 // rendering type with auxiliary adjacent info (can be accessed only within Geometry shader) 0035 Graphic3d_TOPA_LINES_ADJACENCY, //!< ADVANCED - same as Graphic3d_TOPA_SEGMENTS, but each pair of 0036 //!< vertexes defining 1 segment 0037 //! is preceded by 1 extra vertex and followed by 1 extra vertex 0038 //! which are not actually rendered 0039 Graphic3d_TOPA_LINE_STRIP_ADJACENCY, //!< ADVANCED - same as Graphic3d_TOPA_POLYLINES, but each 0040 //!< sequence of vertexes defining 1 polyline 0041 //! is preceded by 1 extra vertex and followed by 1 extra 0042 //! vertex which are not actually rendered 0043 Graphic3d_TOPA_TRIANGLES_ADJACENCY, //!< ADVANCED - same as Graphic3d_TOPA_TRIANGLES, but each 0044 //!< vertex defining of triangle 0045 //! is followed by 1 extra adjacent vertex which is not 0046 //! actually rendered 0047 Graphic3d_TOPA_TRIANGLE_STRIP_ADJACENCY, //!< ADVANCED - same as Graphic3d_TOPA_TRIANGLESTRIPS, 0048 //!< but with extra adjacent vertexes 0049 // deprecated types, unsupported by mobile hardware 0050 Graphic3d_TOPA_QUADRANGLES, //!< DEPRECATED - triangle array should be used instead; 0051 //! array of quads - each 4 vertexes define single quad 0052 Graphic3d_TOPA_QUADRANGLESTRIPS, //!< DEPRECATED - triangle array should be used instead; 0053 //! quad strip - each 2 new vertexes define a quad shared 2 more 0054 //! vertexes of previous quad 0055 Graphic3d_TOPA_POLYGONS //!< DEPRECATED - triangle array should be used instead; 0056 //! array defines a polygon 0057 }; 0058 0059 #endif // _Graphic3d_TypeOfPrimitiveArray_HeaderFile
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