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      1 /*
      2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
      3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a
      6  * copy of this software and associated documentation files (the "Software"),
      7  * to deal in the Software without restriction, including without limitation
      8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9  * and/or sell copies of the Software, and to permit persons to whom the
     10  * Software is furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice including the dates of first publication and
     13  * either this permission notice or a reference to
     14  * http://oss.sgi.com/projects/FreeB/
     15  * shall be included in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23  * SOFTWARE.
     24  *
     25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
     26  * shall not be used in advertising or otherwise to promote the sale, use or
     27  * other dealings in this Software without prior written authorization from
     28  * Silicon Graphics, Inc.
     29  */
     30 
     31 /*
     32  * nurbsconsts.h
     33  *
     34  */
     35 
     36 #ifndef __glunurbsconsts_h_
     37 #define __glunurbsconsts_h_
     38 
     39 /* NURBS Properties - one set per map,
     40    each takes a single INREAL arg */
     41 #define N_SAMPLING_TOLERANCE  	1
     42 #define N_S_RATE		6
     43 #define N_T_RATE		7
     44 #define N_CLAMPFACTOR		13
     45 #define 	N_NOCLAMPING		0.0
     46 #define N_MINSAVINGS		14
     47 #define 	N_NOSAVINGSSUBDIVISION	0.0
     48 
     49 /* NURBS Properties - one set per map,
     50    each takes an enumerated value */
     51 #define N_CULLING		2
     52 #define 	N_NOCULLING		0.0
     53 #define 	N_CULLINGON		1.0
     54 #define N_SAMPLINGMETHOD	10
     55 #define 	N_NOSAMPLING		0.0
     56 #define 	N_FIXEDRATE		3.0
     57 #define 	N_DOMAINDISTANCE	2.0
     58 #define 	N_PARAMETRICDISTANCE	5.0
     59 #define 	N_PATHLENGTH		6.0
     60 #define 	N_SURFACEAREA		7.0
     61 #define         N_OBJECTSPACE_PARA           8.0
     62 #define         N_OBJECTSPACE_PATH           9.0
     63 #define N_BBOX_SUBDIVIDING	17
     64 #define 	N_NOBBOXSUBDIVISION	0.0
     65 #define 	N_BBOXTIGHT		1.0
     66 #define 	N_BBOXROUND		2.0
     67 
     68 /* NURBS Rendering Properties - one set per renderer
     69    each takes an enumerated value */
     70 #define N_DISPLAY		3
     71 #define 	N_FILL			1.0
     72 #define 	N_OUTLINE_POLY		2.0
     73 #define 	N_OUTLINE_TRI		3.0
     74 #define 	N_OUTLINE_QUAD	 	4.0
     75 #define 	N_OUTLINE_PATCH		5.0
     76 #define 	N_OUTLINE_PARAM		6.0
     77 #define 	N_OUTLINE_PARAM_S	7.0
     78 #define 	N_OUTLINE_PARAM_ST 	8.0
     79 #define 	N_OUTLINE_SUBDIV 	9.0
     80 #define 	N_OUTLINE_SUBDIV_S 	10.0
     81 #define 	N_OUTLINE_SUBDIV_ST 	11.0
     82 #define 	N_ISOLINE_S		12.0
     83 #define N_ERRORCHECKING		4
     84 #define 	N_NOMSG			0.0
     85 #define 	N_MSG			1.0
     86 
     87 /* GL 4.0 propeties not defined above */
     88 #ifndef N_PIXEL_TOLERANCE
     89 #define N_PIXEL_TOLERANCE	N_SAMPLING_TOLERANCE
     90 #define N_ERROR_TOLERANCE	20
     91 #define N_SUBDIVISIONS		5
     92 #define N_TILES			8
     93 #define N_TMP1			9
     94 #define N_TMP2			N_SAMPLINGMETHOD
     95 #define N_TMP3			11
     96 #define N_TMP4			12
     97 #define N_TMP5			N_CLAMPFACTOR
     98 #define N_TMP6			N_MINSAVINGS
     99 #define N_S_STEPS		N_S_RATE
    100 #define N_T_STEPS		N_T_RATE
    101 #endif
    102 
    103 /* NURBS Rendering Properties - one set per map,
    104    each takes an INREAL matrix argument */
    105 #define N_CULLINGMATRIX		1
    106 #define N_SAMPLINGMATRIX	2
    107 #define N_BBOXMATRIX		3
    108 
    109 
    110 /* NURBS Rendering Properties - one set per map,
    111    each takes an INREAL vector argument */
    112 #define	N_BBOXSIZE		4
    113 
    114 /* type argument for trimming curves */
    115 #ifndef N_P2D
    116 #define N_P2D 	 		0x8
    117 #define N_P2DR 	 		0xd
    118 #endif
    119 
    120 #endif /* __glunurbsconsts_h_ */
    121