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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/internals/mapdesc.h
parentc73dc01b6de45612b24dc2dd34fba24d81ebf46c (diff)
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Added MesaLib-7.6
Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h')
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diff --git a/mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h b/mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h
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+/*
+ * 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.
+ */
+
+/*
+ * mapdesc.h
+ *
+ */
+
+#ifndef __glumapdesc_h_
+#define __glumapdesc_h_
+
+#include "mystdio.h"
+#include "types.h"
+#include "defines.h"
+#include "bufpool.h"
+#include "nurbsconsts.h"
+
+typedef REAL Maxmatrix[MAXCOORDS][MAXCOORDS];
+
+class Backend;
+
+class Mapdesc : public PooledObj {
+ friend class Maplist;
+
+public:
+ Mapdesc( long, int, int, Backend & );
+ int isProperty( long );
+ REAL getProperty( long );
+ void setProperty( long, REAL );
+ int isConstantSampling( void );
+ int isDomainSampling( void );
+ int isRangeSampling( void );
+ int isSampling( void );
+ int isParametricDistanceSampling( void );
+ int isObjectSpaceParaSampling( void );
+ int isObjectSpacePathSampling( void );
+ int isSurfaceAreaSampling( void );
+ int isPathLengthSampling( void );
+ int isCulling( void );
+ int isBboxSubdividing( void );
+ long getType( void );
+
+ /* curve routines */
+ void subdivide( REAL *, REAL *, REAL, int, int );
+ int cullCheck( REAL *, int, int );
+ void xformBounding( REAL *, int, int, REAL *, int );
+ void xformCulling( REAL *, int, int, REAL *, int );
+ void xformSampling( REAL *, int, int, REAL *, int );
+ void xformMat( Maxmatrix, REAL *, int, int, REAL *, int );
+ REAL calcPartialVelocity ( REAL *, int, int, int, REAL );
+ int project( REAL *, int, REAL *, int, int );
+ REAL calcVelocityRational( REAL *, int, int );
+ REAL calcVelocityNonrational( REAL *, int, int );
+
+ /* surface routines */
+ void subdivide( REAL *, REAL *, REAL, int, int, int, int );
+ int cullCheck( REAL *, int, int, int, int );
+ void xformBounding( REAL *, int, int, int, int, REAL *, int, int );
+ void xformCulling( REAL *, int, int, int, int, REAL *, int, int );
+ void xformSampling( REAL *, int, int, int, int, REAL *, int, int );
+ void xformMat( Maxmatrix, REAL *, int, int, int, int, REAL *, int, int );
+ REAL calcPartialVelocity ( REAL *, REAL *, int, int, int, int, int, int, REAL, REAL, int );
+ int project( REAL *, int, int, REAL *, int, int, int, int);
+ void surfbbox( REAL bb[2][MAXCOORDS] );
+
+ int bboxTooBig( REAL *, int, int, int, int, REAL [2][MAXCOORDS] );
+ int xformAndCullCheck( REAL *, int, int, int, int );
+
+ void identify( REAL[MAXCOORDS][MAXCOORDS] );
+ void setBboxsize( INREAL *);
+ inline void setBmat( INREAL*, long, long );
+ inline void setCmat( INREAL*, long, long );
+ inline void setSmat( INREAL*, long, long );
+ inline int isRational( void );
+ inline int getNcoords( void );
+
+ REAL pixel_tolerance; /* pathlength sampling tolerance */
+ REAL error_tolerance; /* parametric error sampling tolerance*/
+ REAL object_space_error_tolerance; /* object space tess*/
+ REAL clampfactor;
+ REAL minsavings;
+ REAL maxrate;
+ REAL maxsrate;
+ REAL maxtrate;
+ REAL bboxsize[MAXCOORDS];
+
+private:
+ long type;
+ int isrational;
+ int ncoords;
+ int hcoords;
+ int inhcoords;
+ int mask;
+ Maxmatrix bmat;
+ Maxmatrix cmat;
+ Maxmatrix smat;
+ REAL s_steps; /* max samples in s direction */
+ REAL t_steps; /* max samples in t direction */
+ REAL sampling_method;
+ REAL culling_method; /* check for culling */
+ REAL bbox_subdividing;
+ Mapdesc * next;
+ Backend & backend;
+
+ void bbox( REAL [2][MAXCOORDS], REAL *, int, int, int, int );
+ REAL maxDifference( int, REAL *, int );
+ static void copy( Maxmatrix, long, INREAL *, long, long );
+
+ /* individual control point routines */
+ static void transform4d( float[4], float[4], float[4][4] );
+ static void multmatrix4d ( float[4][4], const float[4][4],
+ const float[4][4] );
+ void copyPt( REAL *, REAL * );
+ void sumPt( REAL *, REAL *, REAL *, REAL, REAL );
+ void xformSampling( REAL *, REAL * );
+ void xformCulling( REAL *, REAL * );
+ void xformRational( Maxmatrix, REAL *, REAL * );
+ void xformNonrational( Maxmatrix, REAL *, REAL * );
+ unsigned int clipbits( REAL * );
+};
+
+inline void
+Mapdesc::setBmat( INREAL *mat, long rstride, long cstride )
+{
+ copy( bmat, hcoords, mat, rstride, cstride );
+}
+
+inline void
+Mapdesc::setCmat( INREAL *mat, long rstride, long cstride )
+{
+ copy( cmat, hcoords, mat, rstride, cstride );
+}
+
+inline void
+Mapdesc::setSmat( INREAL *mat, long rstride, long cstride )
+{
+ copy( smat, hcoords, mat, rstride, cstride );
+}
+
+inline long
+Mapdesc::getType( void )
+{
+ return type;
+}
+
+inline void
+Mapdesc::xformCulling( REAL *d, REAL *s )
+{
+ if( isrational )
+ xformRational( cmat, d, s );
+ else
+ xformNonrational( cmat, d, s );
+}
+
+inline void
+Mapdesc::xformSampling( REAL *d, REAL *s )
+{
+ if( isrational )
+ xformRational( smat, d, s );
+ else
+ xformNonrational( smat, d, s );
+}
+
+inline int
+Mapdesc::isRational( void )
+{
+ return isrational ? 1 : 0;
+}
+
+inline int
+Mapdesc::getNcoords( void )
+{
+ return ncoords;
+}
+
+inline int
+Mapdesc::isConstantSampling( void )
+{
+ return ((sampling_method == N_FIXEDRATE) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isDomainSampling( void )
+{
+ return ((sampling_method == N_DOMAINDISTANCE) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isParametricDistanceSampling( void )
+{
+ return ((sampling_method == N_PARAMETRICDISTANCE) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isObjectSpaceParaSampling( void )
+{
+ return ((sampling_method == N_OBJECTSPACE_PARA) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isObjectSpacePathSampling( void )
+{
+ return ((sampling_method == N_OBJECTSPACE_PATH) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isSurfaceAreaSampling( void )
+{
+ return ((sampling_method == N_SURFACEAREA) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isPathLengthSampling( void )
+{
+ return ((sampling_method == N_PATHLENGTH) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isRangeSampling( void )
+{
+ return ( isParametricDistanceSampling() || isPathLengthSampling() ||
+ isSurfaceAreaSampling() ||
+ isObjectSpaceParaSampling() ||
+ isObjectSpacePathSampling());
+}
+
+inline int
+Mapdesc::isSampling( void )
+{
+ return isRangeSampling() || isConstantSampling() || isDomainSampling();
+}
+
+inline int
+Mapdesc::isCulling( void )
+{
+ return ((culling_method != N_NOCULLING) ? 1 : 0);
+}
+
+inline int
+Mapdesc::isBboxSubdividing( void )
+{
+ return ((bbox_subdividing != N_NOBBOXSUBDIVISION) ? 1 : 0);
+}
+#endif /* __glumapdesc_h_ */