diff options
Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h')
| -rw-r--r-- | mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h b/mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h new file mode 100644 index 000000000..6f06154f9 --- /dev/null +++ b/mesalib/src/glu/sgi/libnurbs/internals/mapdesc.h @@ -0,0 +1,271 @@ +/* + * 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_ */ |