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Diffstat (limited to 'src/glu/sgi/libtess/geom.h')
| -rw-r--r-- | src/glu/sgi/libtess/geom.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/glu/sgi/libtess/geom.h b/src/glu/sgi/libtess/geom.h deleted file mode 100644 index 5cb76c7d154..00000000000 --- a/src/glu/sgi/libtess/geom.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * 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. - */ -/* -** Author: Eric Veach, July 1994. -** -*/ - -#ifndef __geom_h_ -#define __geom_h_ - -#include "mesh.h" - -#ifdef NO_BRANCH_CONDITIONS -/* MIPS architecture has special instructions to evaluate boolean - * conditions -- more efficient than branching, IF you can get the - * compiler to generate the right instructions (SGI compiler doesn't) - */ -#define VertEq(u,v) (((u)->s == (v)->s) & ((u)->t == (v)->t)) -#define VertLeq(u,v) (((u)->s < (v)->s) | \ - ((u)->s == (v)->s & (u)->t <= (v)->t)) -#else -#define VertEq(u,v) ((u)->s == (v)->s && (u)->t == (v)->t) -#define VertLeq(u,v) (((u)->s < (v)->s) || \ - ((u)->s == (v)->s && (u)->t <= (v)->t)) -#endif - -#define EdgeEval(u,v,w) __gl_edgeEval(u,v,w) -#define EdgeSign(u,v,w) __gl_edgeSign(u,v,w) - -/* Versions of VertLeq, EdgeSign, EdgeEval with s and t transposed. */ - -#define TransLeq(u,v) (((u)->t < (v)->t) || \ - ((u)->t == (v)->t && (u)->s <= (v)->s)) -#define TransEval(u,v,w) __gl_transEval(u,v,w) -#define TransSign(u,v,w) __gl_transSign(u,v,w) - - -#define EdgeGoesLeft(e) VertLeq( (e)->Dst, (e)->Org ) -#define EdgeGoesRight(e) VertLeq( (e)->Org, (e)->Dst ) - -#undef ABS -#define ABS(x) ((x) < 0 ? -(x) : (x)) -#define VertL1dist(u,v) (ABS(u->s - v->s) + ABS(u->t - v->t)) - -#define VertCCW(u,v,w) __gl_vertCCW(u,v,w) - -int __gl_vertLeq( GLUvertex *u, GLUvertex *v ); -GLdouble __gl_edgeEval( GLUvertex *u, GLUvertex *v, GLUvertex *w ); -GLdouble __gl_edgeSign( GLUvertex *u, GLUvertex *v, GLUvertex *w ); -GLdouble __gl_transEval( GLUvertex *u, GLUvertex *v, GLUvertex *w ); -GLdouble __gl_transSign( GLUvertex *u, GLUvertex *v, GLUvertex *w ); -int __gl_vertCCW( GLUvertex *u, GLUvertex *v, GLUvertex *w ); -void __gl_edgeIntersect( GLUvertex *o1, GLUvertex *d1, - GLUvertex *o2, GLUvertex *d2, - GLUvertex *v ); - -#endif |