nurbsconsts.h

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/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
**
** http://oss.sgi.com/projects/FreeB
**
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
**
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
**
** Additional Notice Provisions: The application programming interfaces
** established by SGI in conjunction with the Original Code are The
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
** Window System(R) (Version 1.3), released October 19, 1998. This software
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
*/

/*
 * nurbsconsts.h
 *
 * $Date: 2007-10-19 23:21:45 +0000 (Fri, 19 Oct 2007) $ $Revision: 1.1 $
 * $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/internals/nurbsconsts.h,v 1.1 2004/02/02 16:39:12 navaraf Exp $
 */

#ifndef __glunurbsconsts_h_
#define __glunurbsconsts_h_

/* NURBS Properties - one set per map,
   each takes a single INREAL arg */
#define N_SAMPLING_TOLERANCE    1
#define N_S_RATE        6
#define N_T_RATE        7
#define N_CLAMPFACTOR       13
#define     N_NOCLAMPING        0.0
#define N_MINSAVINGS        14
#define     N_NOSAVINGSSUBDIVISION  0.0

/* NURBS Properties - one set per map,
   each takes an enumerated value */
#define N_CULLING       2
#define     N_NOCULLING     0.0
#define     N_CULLINGON     1.0
#define N_SAMPLINGMETHOD    10
#define     N_NOSAMPLING        0.0
#define     N_FIXEDRATE     3.0
#define     N_DOMAINDISTANCE    2.0
#define     N_PARAMETRICDISTANCE    5.0
#define     N_PATHLENGTH        6.0
#define     N_SURFACEAREA       7.0
#define         N_OBJECTSPACE_PARA           8.0
#define         N_OBJECTSPACE_PATH           9.0
#define N_BBOX_SUBDIVIDING  17
#define     N_NOBBOXSUBDIVISION 0.0
#define     N_BBOXTIGHT     1.0
#define     N_BBOXROUND     2.0

/* NURBS Rendering Properties - one set per renderer
   each takes an enumerated value */
#define N_DISPLAY       3
#define     N_FILL          1.0
#define     N_OUTLINE_POLY      2.0
#define     N_OUTLINE_TRI       3.0
#define     N_OUTLINE_QUAD      4.0
#define     N_OUTLINE_PATCH     5.0
#define     N_OUTLINE_PARAM     6.0
#define     N_OUTLINE_PARAM_S   7.0
#define     N_OUTLINE_PARAM_ST  8.0
#define     N_OUTLINE_SUBDIV    9.0
#define     N_OUTLINE_SUBDIV_S  10.0
#define     N_OUTLINE_SUBDIV_ST     11.0
#define     N_ISOLINE_S     12.0
#define N_ERRORCHECKING     4
#define     N_NOMSG         0.0
#define     N_MSG           1.0

/* GL 4.0 propeties not defined above */
#ifndef N_PIXEL_TOLERANCE
#define N_PIXEL_TOLERANCE   N_SAMPLING_TOLERANCE
#define N_ERROR_TOLERANCE   20
#define N_SUBDIVISIONS      5
#define N_TILES         8
#define N_TMP1          9
#define N_TMP2          N_SAMPLINGMETHOD
#define N_TMP3          11
#define N_TMP4          12
#define N_TMP5          N_CLAMPFACTOR
#define N_TMP6          N_MINSAVINGS
#define N_S_STEPS       N_S_RATE
#define N_T_STEPS       N_T_RATE
#endif

/* NURBS Rendering Properties - one set per map,
   each takes an INREAL matrix argument */
#define N_CULLINGMATRIX     1
#define N_SAMPLINGMATRIX    2
#define N_BBOXMATRIX        3


/* NURBS Rendering Properties - one set per map,
   each takes an INREAL vector argument */
#define N_BBOXSIZE      4

/* type argument for trimming curves */
#ifndef N_P2D
#define N_P2D           0x8
#define N_P2DR          0xd
#endif

#endif /* __glunurbsconsts_h_ */