src/glu/sgi/libnurbs/nurbtess/sampleCompBot.h

   1 /*
   2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice including the dates of first publication and
  13  * either this permission notice or a reference to
  14  * http://oss.sgi.com/projects/FreeB/
  15  * shall be included in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
  26  * shall not be used in advertising or otherwise to promote the sale, use or
  27  * other dealings in this Software without prior written authorization from
  28  * Silicon Graphics, Inc.
  29  */
  30 /*
  31 */
  32
  33 #ifndef _SAMPLECOMPBOT_H
  34 #define _SAMPLECOMPBOT_H
  35
  36 #include "sampleMonoPoly.h"
  37
  38 void findBotLeftSegment(vertexArray* leftChain,
  39                         Int leftEnd,
  40                         Int leftCorner,
  41                         Real u,
  42                         Int& ret_index_mono,
  43                         Int& ret_index_pass);
  44
  45 void findBotRightSegment(vertexArray* rightChain,
  46                          Int rightEnd,
  47                          Int rightCorner,
  48                          Real u,
  49                          Int& ret_index_mono,
  50                          Int& ret_index_pass);
  51
  52
  53 void sampleBotRightWithGridLinePost(Real* botVertex,
  54                                     vertexArray* rightChain,
  55                                     Int rightEnd,
  56                                     Int segIndexMono,
  57                                     Int segIndexPass,
  58                                     Int rightCorner,
  59                                     gridWrap* grid,
  60                                     Int gridV,
  61                                     Int leftU,
  62                                     Int rightU,
  63                                     primStream* pStream);
  64
  65
  66 void sampleBotRightWithGridLine(Real* botVertex,
  67                                 vertexArray* rightChain,
  68                                 Int rightEnd,
  69                                 Int rightCorner,
  70                                 gridWrap* grid,
  71                                 Int gridV,
  72                                 Int leftU,
  73                                 Int rightU,
  74                                 primStream* pStream);
  75
  76
  77 void sampleBotLeftWithGridLinePost(Real* botVertex,
  78                                    vertexArray* leftChain,
  79                                    Int leftEnd,
  80                                    Int segIndexMono,
  81                                    Int segIndexPass,
  82                                    Int leftCorner,
  83                                    gridWrap* grid,
  84                                    Int gridV,
  85                                    Int leftU,
  86                                    Int rightU,
  87                                    primStream* pStream);
  88
  89
  90 void sampleBotLeftWithGridLine(Real* botVertex,
  91                                vertexArray* leftChain,
  92                                Int leftEnd,
  93                                Int leftCorner,
  94                                gridWrap* grid,
  95                                Int gridV,
  96                                Int leftU,
  97                                Int rightU,
  98                                primStream* pStream);
  99
 100
 101 Int findBotSeparator(vertexArray* leftChain,
 102                      Int leftEnd,
 103                      Int leftCorner,
 104                      vertexArray* rightChain,
 105                      Int rightEnd,
 106                      Int rightCorner,
 107                      Int& ret_sep_left,
 108                      Int& ret_sep_right);
 109
 110 void sampleCompBot(Real* botVertex,
 111                    vertexArray* leftChain,
 112                    Int leftEnd,
 113                    vertexArray* rightChain,
 114                    Int rightEnd,
 115                    gridBoundaryChain* leftGridChain,
 116                    gridBoundaryChain* rightGridChain,
 117                    Int gridIndex,
 118                    Int down_leftCornerWhere,
 119                    Int down_leftCornerIndex,
 120                    Int down_rightCornerWhere,
 121                    Int down_rightCornerIndex,
 122                    primStream* pStream);
 123
 124 void sampleCompBotSimple(Real* botVertex,
 125                    vertexArray* leftChain,
 126                    Int leftEnd,
 127                    vertexArray* rightChain,
 128                    Int rightEnd,
 129                    gridBoundaryChain* leftGridChain,
 130                    gridBoundaryChain* rightGridChain,
 131                    Int gridIndex,
 132                    Int down_leftCornerWhere,
 133                    Int down_leftCornerIndex,
 134                    Int down_rightCornerWhere,
 135                    Int down_rightCornerIndex,
 136                    primStream* pStream);
 137
 138 #endif