config.h revision 8afe7de8deaf3c9613fd68b344de8c52b02b1879 
1/* $Id: config.h,v 1.40 2002/06/15 03:03:07 brianp Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version:  4.1
6 *
7 * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27
28/*
29 * Tunable configuration parameters.
30 */
31
32
33
34#ifndef CONFIG_H
35#define CONFIG_H
36
37#ifdef HAVE_CONFIG_H
38#include "conf.h"
39#endif
40
41
42/*
43 * OpenGL implementation limits
44 */
45
46/* Maximum modelview matrix stack depth: */
47#define MAX_MODELVIEW_STACK_DEPTH 32
48
49/* Maximum projection matrix stack depth: */
50#define MAX_PROJECTION_STACK_DEPTH 32
51
52/* Maximum texture matrix stack depth: */
53#define MAX_TEXTURE_STACK_DEPTH 10
54
55/* Maximum color matrix stack depth: */
56#define MAX_COLOR_STACK_DEPTH 4
57
58/* Vertex program matrix stacks: */
59#define MAX_PROGRAM_MATRICES 8
60#define MAX_PROGRAM_STACK_DEPTH 4
61
62/* Maximum attribute stack depth: */
63#define MAX_ATTRIB_STACK_DEPTH 16
64
65/* Maximum client attribute stack depth: */
66#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
67
68/* Maximum recursion depth of display list calls: */
69#define MAX_LIST_NESTING 64
70
71/* Maximum number of lights: */
72#define MAX_LIGHTS 8
73
74/* Maximum user-defined clipping planes: */
75#define MAX_CLIP_PLANES 6
76
77/* Maximum pixel map lookup table size: */
78#define MAX_PIXEL_MAP_TABLE 256
79
80/* Number of auxillary color buffers: */
81#define NUM_AUX_BUFFERS 0
82
83/* Maximum order (degree) of curves: */
84#ifdef AMIGA
85#   define MAX_EVAL_ORDER 12
86#else
87#   define MAX_EVAL_ORDER 30
88#endif
89
90/* Maximum Name stack depth */
91#define MAX_NAME_STACK_DEPTH 64
92
93/* Min and Max point sizes and granularity */
94#define MIN_POINT_SIZE 1.0
95#define MAX_POINT_SIZE 20.0
96#define POINT_SIZE_GRANULARITY 0.1
97
98/* Min and Max line widths and granularity */
99#define MIN_LINE_WIDTH 1.0
100#define MAX_LINE_WIDTH 10.0
101#define LINE_WIDTH_GRANULARITY 0.1
102
103/* Max texture palette / color table size */
104#define MAX_COLOR_TABLE_SIZE 256
105
106/* Number of 1D/2D texture mipmap levels */
107#define MAX_TEXTURE_LEVELS 12
108
109/* Number of 3D texture mipmap levels */
110#define MAX_3D_TEXTURE_LEVELS 8
111
112/* Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
113#define MAX_CUBE_TEXTURE_LEVELS 12
114
115/* Maximum rectangular texture size - GL_NV_texture_rectangle */
116#define MAX_TEXTURE_RECT_SIZE 2048
117
118/* Number of texture units - GL_ARB_multitexture */
119#define MAX_TEXTURE_UNITS 8
120
121/* Maximum viewport/image size: */
122#define MAX_WIDTH 2048
123#define MAX_HEIGHT 2048
124
125/* Maxmimum size for CVA.  May be overridden by the drivers.  */
126#define MAX_ARRAY_LOCK_SIZE 3000
127
128/* Subpixel precision for antialiasing, window coordinate snapping */
129#define SUB_PIXEL_BITS 4
130
131/* Size of histogram tables */
132#define HISTOGRAM_TABLE_SIZE 256
133
134/* Max convolution filter sizes */
135#define MAX_CONVOLUTION_WIDTH 9
136#define MAX_CONVOLUTION_HEIGHT 9
137
138/* GL_ARB_texture_compression */
139#define MAX_COMPRESSED_TEXTURE_FORMATS 25
140
141/* GL_EXT_texture_filter_anisotropic */
142#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
143
144/* GL_EXT_texture_lod_bias */
145#define MAX_TEXTURE_LOD_BIAS 4.0
146
147
148
149/*
150 * Mesa-specific parameters
151 */
152
153
154/*
155 * Bits per accumulation buffer color component:  8, 16 or 32
156 */
157#define ACCUM_BITS 32
158
159
160/*
161 * Bits per depth buffer value.  Any reasonable value up to 31 will
162 * work.  32 doesn't work because of integer overflow problems in the
163 * rasterizer code.
164 */
165#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
166#define DEFAULT_SOFTWARE_DEPTH_BITS 16
167#endif
168#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
169#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
170#else
171#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
172#endif
173
174
175
176/*
177 * Bits per stencil value:  8
178 */
179#define STENCIL_BITS 8
180
181
182/*
183 * Bits per color channel:  8, 16 or 32
184 */
185#ifndef CHAN_BITS
186#define CHAN_BITS 8
187#endif
188
189
190/*
191 * Color channel component order
192 * (changes will almost certainly cause problems at this time)
193 */
194#define RCOMP 0
195#define GCOMP 1
196#define BCOMP 2
197#define ACOMP 3
198
199
200#endif /* CONFIG_H */
201