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

   1 /*
   2 ** License Applicability. Except to the extent portions of this file are
   3 ** made subject to an alternative license as permitted in the SGI Free
   4 ** Software License B, Version 1.1 (the "License"), the contents of this
   5 ** file are subject only to the provisions of the License. You may not use
   6 ** this file except in compliance with the License. You may obtain a copy
   7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
   8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
   9 **
  10 ** http://oss.sgi.com/projects/FreeB
  11 **
  12 ** Note that, as provided in the License, the Software is distributed on an
  13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  17 **
  18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
  19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  21 ** Copyright in any portions created by third parties is as indicated
  22 ** elsewhere herein. All Rights Reserved.
  23 **
  24 ** Additional Notice Provisions: The application programming interfaces
  25 ** established by SGI in conjunction with the Original Code are The
  26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
  30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  31 ** published by SGI, but has not been independently verified as being
  32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
  33 **
  34 */
  35 /*
  36 */
  37
  38 #ifndef _SAMPLECOMPBOT_H
  39 #define _SAMPLECOMPBOT_H
  40
  41 #include "sampleMonoPoly.h"
  42
  43 void findBotLeftSegment(vertexArray* leftChain,
  44                         Int leftEnd,
  45                         Int leftCorner,
  46                         Real u,
  47                         Int& ret_index_mono,
  48                         Int& ret_index_pass);
  49
  50 void findBotRightSegment(vertexArray* rightChain,
  51                          Int rightEnd,
  52                          Int rightCorner,
  53                          Real u,
  54                          Int& ret_index_mono,
  55                          Int& ret_index_pass);
  56
  57
  58 void sampleBotRightWithGridLinePost(Real* botVertex,
  59                                     vertexArray* rightChain,
  60                                     Int rightEnd,
  61                                     Int segIndexMono,
  62                                     Int segIndexPass,
  63                                     Int rightCorner,
  64                                     gridWrap* grid,
  65                                     Int gridV,
  66                                     Int leftU,
  67                                     Int rightU,
  68                                     primStream* pStream);
  69
  70
  71 void sampleBotRightWithGridLine(Real* botVertex,
  72                                 vertexArray* rightChain,
  73                                 Int rightEnd,
  74                                 Int rightCorner,
  75                                 gridWrap* grid,
  76                                 Int gridV,
  77                                 Int leftU,
  78                                 Int rightU,
  79                                 primStream* pStream);
  80
  81
  82 void sampleBotLeftWithGridLinePost(Real* botVertex,
  83                                    vertexArray* leftChain,
  84                                    Int leftEnd,
  85                                    Int segIndexMono,
  86                                    Int segIndexPass,
  87                                    Int leftCorner,
  88                                    gridWrap* grid,
  89                                    Int gridV,
  90                                    Int leftU,
  91                                    Int rightU,
  92                                    primStream* pStream);
  93
  94
  95 void sampleBotLeftWithGridLine(Real* botVertex,
  96                                vertexArray* leftChain,
  97                                Int leftEnd,
  98                                Int leftCorner,
  99                                gridWrap* grid,
 100                                Int gridV,
 101                                Int leftU,
 102                                Int rightU,
 103                                primStream* pStream);
 104
 105
 106 Int findBotSeparator(vertexArray* leftChain,
 107                      Int leftEnd,
 108                      Int leftCorner,
 109                      vertexArray* rightChain,
 110                      Int rightEnd,
 111                      Int rightCorner,
 112                      Int& ret_sep_left,
 113                      Int& ret_sep_right);
 114
 115 void sampleCompBot(Real* botVertex,
 116                    vertexArray* leftChain,
 117                    Int leftEnd,
 118                    vertexArray* rightChain,
 119                    Int rightEnd,
 120                    gridBoundaryChain* leftGridChain,
 121                    gridBoundaryChain* rightGridChain,
 122                    Int gridIndex,
 123                    Int down_leftCornerWhere,
 124                    Int down_leftCornerIndex,
 125                    Int down_rightCornerWhere,
 126                    Int down_rightCornerIndex,
 127                    primStream* pStream);
 128
 129 void sampleCompBotSimple(Real* botVertex,
 130                    vertexArray* leftChain,
 131                    Int leftEnd,
 132                    vertexArray* rightChain,
 133                    Int rightEnd,
 134                    gridBoundaryChain* leftGridChain,
 135                    gridBoundaryChain* rightGridChain,
 136                    Int gridIndex,
 137                    Int down_leftCornerWhere,
 138                    Int down_leftCornerIndex,
 139                    Int down_rightCornerWhere,
 140                    Int down_rightCornerIndex,
 141                    primStream* pStream);
 142
 143 #endif