src/glu/sgi/libnurbs/nurbtess/sampleCompRight.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 ** $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
  35 */
  36 /*
  37 ** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/nurbtess/sampleCompRight.h,v 1.1 2001/03/17 00:25:41 brianp Exp $
  38 */
  39
  40 #ifndef _SAMPLECOMPRIGHT_H
  41 #define _SAMPLECOMPRIGHT_H
  42
  43 #define NOT_TAKEOUT
  44
  45 #include "sampleMonoPoly.h"
  46 void stripOfFanRight(vertexArray* rightChain,
  47                     Int largeIndex,
  48                     Int smallIndex,
  49                     gridWrap* grid,
  50                     Int vlineIndex,
  51                     Int ulineSmallIndex,
  52                     Int ulineLargeIndex,
  53                     primStream* pStream,
  54                     Int gridLineUp /*1 if grid line is above the trim lines */
  55                      );
  56
  57 #ifdef NOT_TAKEOUT
  58 void sampleRightStripRecF(vertexArray* rightChain,
  59                      Int topRightIndex,
  60                      Int botRightIndex,
  61                      gridBoundaryChain* rightGridChain,
  62                      Int rightGridChainStartIndex,
  63                      Int rightGridChainEndIndex,
  64                      primStream* pStream
  65                      );
  66 //the degenerate case of sampleRightOneGridStep
  67 void sampleRightOneGridStepNoMiddle(vertexArray* rightChain,
  68                                     Int beginRightIndex,
  69                                     Int endRightIndex,
  70                                     gridBoundaryChain* rightGridChain,
  71                                     Int rightGridChainStartIndex,
  72                                     primStream* pStream);
  73 //sampling the right area in between two grid lines
  74 //shape: _________|
  75 void sampleRightOneGridStep(vertexArray* rightChain,
  76                             Int beginRightIndex,
  77                             Int endRightIndex,
  78                             gridBoundaryChain* rightGridChain,
  79                             Int rightGridChainStartIndex,
  80                             primStream* pStream);
  81 void sampleRightSingleTrimEdgeRegion(Real upperVert[2], Real lowerVert[2],
  82                                      gridBoundaryChain* gridChain,
  83                                      Int beginIndex,
  84                                      Int endIndex,
  85                                      primStream* pStream);
  86 //the degenerate case of sampleRightOneGridStep
  87 void sampleRightOneGridStepNoMiddle(vertexArray* rightChain,
  88                                     Int beginRightIndex,
  89                                     Int endRightIndex,
  90                                     gridBoundaryChain* rightGridChain,
  91                                     Int rightGridChainStartIndex,
  92                                     primStream* pStream);
  93
  94 void sampleCompRight(Real* topVertex, Real* botVertex,
  95                     vertexArray* leftChain,
  96                     Int leftStartIndex, Int leftEndIndex,
  97                     vertexArray* rightChain,
  98                     Int rightStartIndex, Int rightEndIndex,
  99                     gridBoundaryChain* rightGridChain,
 100                     Int gridIndex1, Int gridIndex2,
 101                     Int up_leftCornerWhere,
 102                     Int up_leftCornerIndex,
 103                     Int down_leftCornerWhere,
 104                     Int down_leftCornerIndex,
 105                     primStream* pStream);
 106
 107 void sampleRightSingleTrimEdgeRegionGen(Real topVert[2], Real botVert[2],
 108                                        vertexArray* rightChain,
 109                                        Int rightStart,
 110                                        Int rightEnd,
 111                                        gridBoundaryChain* gridChain,
 112                                        Int gridBegindex,
 113                                        Int gridEndIndex,
 114                                        vertexArray* leftChain,
 115                                        Int leftUpBegin,
 116                                        Int leftUpEnd,
 117                                        Int leftDownBegin,
 118                                        Int leftDownEnd,
 119                                        primStream* pStream);
 120 #endif
 121
 122 #endif
 123
 124