aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
committermarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
commita0c4815433ccd57322f4f7703ca35e9ccfa59250 (patch)
treef5213802ec12adb86ec3136001c1c29fe5343700 /mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h
parentc73dc01b6de45612b24dc2dd34fba24d81ebf46c (diff)
downloadvcxsrv-a0c4815433ccd57322f4f7703ca35e9ccfa59250.tar.gz
vcxsrv-a0c4815433ccd57322f4f7703ca35e9ccfa59250.tar.bz2
vcxsrv-a0c4815433ccd57322f4f7703ca35e9ccfa59250.zip
Added MesaLib-7.6
Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h')
-rw-r--r--mesalib/src/glu/sgi/libnurbs/nurbtess/sampleMonoPoly.h184
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
+