Added MesaLib-7.6

1 files changed, 184 insertions, 0 deletions

diff --git a/mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h b/mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h
new file mode 100644
index 000000000..3a5fa6c91
--- /dev/null
+++ b/mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h
@@ -0,0 +1,184 @@
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+/*
+*/
+
+#ifndef _SAMPLEMONOPOLY_H
+#define _SAMPLEMONOPOLY_H
+
+#include "monoTriangulation.h"
+#include "gridWrap.h"
+#include "rectBlock.h"
+
+
+void  triangulateXYMono(Int n_upper, Real upperVerts[][2],
+		       Int n_lower, Real lowerVerts[][2],
+		       primStream* pStream);
+
+void stripOfFanLeft(vertexArray* leftChain, 
+		     Int largeIndex,
+		     Int smallIndex,
+		     gridWrap* grid,
+		     Int vlineIndex,
+		     Int ulineSmallIndex,
+		     Int ulineLargeIndex,
+		     primStream* pStream,
+		    Int gridLineUp
+		     );
+void sampleLeftOneGridStep(vertexArray* leftChain,
+		  Int beginLeftIndex,
+		  Int endLeftIndex,
+		  gridBoundaryChain* leftGridChain,
+		  Int leftGridChainStartIndex,
+		  primStream* pStream
+		  );
+
+void sampleLeftSingleTrimEdgeRegion(Real upperVert[2], Real lowerVert[2],
+				    gridBoundaryChain* gridChain,
+				    Int beginIndex,
+				    Int endIndex,
+				    primStream* pStream);
+
+void sampleLeftStripRec(vertexArray* leftChain,
+		     Int topLeftIndex,
+		     Int botLeftIndex,
+		     gridBoundaryChain* leftGridChain,
+		     Int leftGridChainStartIndex,
+		     Int leftGridChainEndIndex,
+			primStream* pStream
+		     );
+
+void sampleLeftStrip(vertexArray* leftChain,
+		     Int topLeftIndex,
+		     Int botLeftIndex,
+		     gridBoundaryChain* leftGridChain,
+		     Int leftGridChainStartIndex,
+		     Int leftGridChainEndIndex,
+		     primStream* pStream
+		     );
+
+void findLeftGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGridIndex, gridWrap* grid,  Int* ret_indices, Int* ret_inner);
+
+void findRightGridIndices(directedLine* topEdge, Int firstGridIndex, Int lastGridIndex, gridWrap* grid,  Int* ret_indices, Int* ret_inner);
+
+void sampleMonoPoly(directedLine* polygon, gridWrap* grid, Int ulinear, Int vlinear, primStream *pStream, rectBlockArray* rbArray);
+
+void sampleMonoPolyRec(
+		       Real* topVertex,
+		       Real* botVertex,
+		       vertexArray* leftChain, 
+		       Int leftStartIndex,
+		       vertexArray* rightChain,
+		       Int rightStartIndex,
+		       gridBoundaryChain* leftGridChain, 
+		       gridBoundaryChain* rightGridChain, 
+		       Int gridStartIndex,
+		       primStream* pStream,
+		       rectBlockArray* rbArray
+		       );
+
+void sampleLeftStripRecF(vertexArray* leftChain,
+		     Int topLeftIndex,
+		     Int botLeftIndex,
+		     gridBoundaryChain* leftGridChain,
+		     Int leftGridChainStartIndex,
+		     Int leftGridChainEndIndex,
+			primStream* pStream
+		     );
+
+void findUpCorners(Real *topVertex, 
+		   vertexArray *leftChain, 
+		   Int leftChainStartIndex, Int leftChainEndIndex,
+		   vertexArray *rightChain, 
+		   Int rightChainStartIndex, Int rightChainEndIndex,
+		   Real v,
+		   Real uleft,
+		   Real uright,
+		   Int& ret_leftCornerWhere, 
+		   Int& ret_leftCornerIndex,
+		   Int& ret_rightCornerWhere,
+		   Int& ret_rightCornerIndex
+		   );
+void findDownCorners(Real *botVertex, 
+		   vertexArray *leftChain, Int leftChainStartIndex, Int leftChainEndIndex,
+		   vertexArray *rightChain, Int rightChainStartIndex, Int rightChainEndIndex,
+		   Real v,
+		   Real uleft,
+		   Real uright,
+		   Int& ret_leftCornerWhere,
+		   Int& ret_leftCornerIndex,
+		   Int& ret_rightCornerWhere,
+		   Int& ret_rightCornerIndex
+		   );
+void findNeck(vertexArray *leftChain, Int botLeftIndex, 
+	      vertexArray *rightChain, Int botRightIndex, 
+	      Int& leftLastIndex, /*left point of the neck*/
+	      Int& rightLastIndex /*right point of the neck*/
+	      );
+
+Int findNeckF(vertexArray *leftChain, Int botLeftIndex,
+	       vertexArray *rightChain, Int botRightIndex,
+	       gridBoundaryChain* leftGridChain,
+	       gridBoundaryChain* rightGridChain,
+	       Int gridStartIndex,
+	       Int& neckLeft, 
+	       Int& neckRight);
+
+void findTopAndBot(directedLine* polygon, 
+		   directedLine*& topV, 
+		   directedLine*& botV);
+void findGridChains(directedLine* top, directedLine* bot, 
+		    gridWrap* grid,
+		    gridBoundaryChain*& leftGridChain,
+		    gridBoundaryChain*& rightGridChain);
+void toVertexArrays(directedLine* topV, directedLine* botV, vertexArray& leftChain, vertexArray& rightChain);
+
+void drawCorners(
+		 Real* topV, Real* botV,		 
+		 vertexArray* leftChain,
+		 vertexArray* rightChain,
+		 gridBoundaryChain* leftGridChain,
+		 gridBoundaryChain* rightGridChain,
+		 Int gridIndex1,
+		 Int gridIndex2,
+		 Int leftCornerWhere,
+		 Int leftCornerIndex,
+		 Int rightCornerWhere,
+		 Int rightCornerIndex,
+		 Int bot_leftCornerWhere,
+		 Int bot_leftCornerIndex,
+		 Int bot_rightCornerWhere,
+		 Int bot_rightCornerIndex);
+
+Int checkMiddle(vertexArray* chain, Int begin, Int end, 
+		Real vup, Real vbelow);
+
+#endif
+