config.h revision 6dc85575000127630489b407c50a4b3ea87c9acb 
1/**
2 * \file config.h
3 * Tunable configuration parameters.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 * Version:  5.1
9 *
10 * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30
31#ifndef CONFIG_H
32#define CONFIG_H
33
34#ifdef HAVE_CONFIG_H
35#include "conf.h"
36#endif
37
38
39/**
40 * \name OpenGL implementation limits
41 */
42/*@{*/
43
44/** Maximum modelview matrix stack depth */
45#define MAX_MODELVIEW_STACK_DEPTH 32
46
47/** Maximum projection matrix stack depth */
48#define MAX_PROJECTION_STACK_DEPTH 32
49
50/** Maximum texture matrix stack depth */
51#define MAX_TEXTURE_STACK_DEPTH 10
52
53/** Maximum color matrix stack depth */
54#define MAX_COLOR_STACK_DEPTH 4
55
56/** Maximum attribute stack depth */
57#define MAX_ATTRIB_STACK_DEPTH 16
58
59/** Maximum client attribute stack depth */
60#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
61
62/** Maximum recursion depth of display list calls */
63#define MAX_LIST_NESTING 64
64
65/** Maximum number of lights */
66#define MAX_LIGHTS 8
67
68/** Maximum user-defined clipping planes */
69#define MAX_CLIP_PLANES 6
70
71/** Maximum pixel map lookup table size */
72#define MAX_PIXEL_MAP_TABLE 256
73
74/** Number of auxillary color buffers */
75#define NUM_AUX_BUFFERS 0
76
77/** Maximum order (degree) of curves */
78#ifdef AMIGA
79#   define MAX_EVAL_ORDER 12
80#else
81#   define MAX_EVAL_ORDER 30
82#endif
83
84/** Maximum Name stack depth */
85#define MAX_NAME_STACK_DEPTH 64
86
87/** Minimum point size */
88#define MIN_POINT_SIZE 1.0
89/** Maximum point size */
90#define MAX_POINT_SIZE 20.0
91/** Point size granularity */
92#define POINT_SIZE_GRANULARITY 0.1
93
94/** Minimum line width */
95#define MIN_LINE_WIDTH 1.0
96/** Maximum line width */
97#define MAX_LINE_WIDTH 10.0
98/** Line width granularity */
99#define LINE_WIDTH_GRANULARITY 0.1
100
101/** Max texture palette / color table size */
102#define MAX_COLOR_TABLE_SIZE 256
103
104/** Number of 1D/2D texture mipmap levels */
105#define MAX_TEXTURE_LEVELS 12
106
107/** Number of 3D texture mipmap levels */
108#define MAX_3D_TEXTURE_LEVELS 9
109
110/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
111#define MAX_CUBE_TEXTURE_LEVELS 12
112
113/** Maximum rectangular texture size - GL_NV_texture_rectangle */
114#define MAX_TEXTURE_RECT_SIZE 2048
115
116/** Number of texture units - GL_ARB_multitexture */
117#define MAX_TEXTURE_UNITS 8
118
119/**
120 * \name Separate numbers of texture coordinates and texture image units.
121 *
122 * These values will eventually replace most instances of MAX_TEXTURE_UNITS.
123 * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS.
124 * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS.
125 */
126/*@{*/
127#define MAX_TEXTURE_COORD_UNITS 8
128#define MAX_TEXTURE_IMAGE_UNITS 8
129/*@}*/
130
131/**
132 * Maximum viewport/image width. Must accomodate all texture sizes too.
133 */
134#define MAX_WIDTH 2048
135/** Maximum viewport/image height */
136#define MAX_HEIGHT 2048
137
138/** Maxmimum size for CVA.  May be overridden by the drivers.  */
139#define MAX_ARRAY_LOCK_SIZE 3000
140
141/** Subpixel precision for antialiasing, window coordinate snapping */
142#define SUB_PIXEL_BITS 4
143
144/** Size of histogram tables */
145#define HISTOGRAM_TABLE_SIZE 256
146
147/** Max convolution filter width */
148#define MAX_CONVOLUTION_WIDTH 9
149/** Max convolution filter height */
150#define MAX_CONVOLUTION_HEIGHT 9
151
152/** GL_ARB_texture_compression */
153#define MAX_COMPRESSED_TEXTURE_FORMATS 25
154
155/** GL_EXT_texture_filter_anisotropic */
156#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
157
158/** GL_EXT_texture_lod_bias */
159#define MAX_TEXTURE_LOD_BIAS 4.0
160
161/* GL_NV_vertex_program */
162#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
163#define MAX_NV_VERTEX_PROGRAM_TEMPS         12
164#define MAX_NV_VERTEX_PROGRAM_PARAMS        96
165#define MAX_NV_VERTEX_PROGRAM_INPUTS        16
166#define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15
167
168/* GL_NV_fragment_program */
169#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128
170#define MAX_NV_FRAGMENT_PROGRAM_TEMPS         96
171#define MAX_NV_FRAGMENT_PROGRAM_PARAMS        64
172#define MAX_NV_FRAGMENT_PROGRAM_INPUTS        12
173#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS        3
174#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS    2
175
176/* GL_ARB_vertex_program */
177#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
178
179/* GL_ARB_fragment_program */
180#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 1
181#define MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48
182#define MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24
183#define MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS  4
184
185/* Any program target/extension */
186#define MAX_PROGRAM_LOCAL_PARAMS 96
187#define MAX_PROGRAM_MATRICES 8
188#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
189
190/*@}*/
191
192
193/**
194 * \name Mesa-specific parameters
195 */
196/*@{*/
197
198
199/**
200 * Bits per accumulation buffer color component:  8, 16 or 32
201 */
202#define ACCUM_BITS 16
203
204/**
205 * Bits per depth buffer value.
206 *
207 * Any reasonable value up to 31 will work.  32 doesn't work because of integer
208 * overflow problems in the rasterizer code.
209 */
210#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
211#define DEFAULT_SOFTWARE_DEPTH_BITS 16
212#endif
213/** Depth buffer data type */
214#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
215#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
216#else
217#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
218#endif
219
220
221/**
222 * Bits per stencil value: 8
223 */
224#define STENCIL_BITS 8
225
226
227/**
228 * Bits per color channel:  8, 16 or 32
229 */
230#ifndef CHAN_BITS
231#define CHAN_BITS 8
232#endif
233
234
235/*
236 * Color channel component order
237 *
238 * \note Changes will almost certainly cause problems at this time.
239 */
240#define RCOMP 0
241#define GCOMP 1
242#define BCOMP 2
243#define ACOMP 3
244
245#ifndef _HAVE_FULL_GL
246#define _HAVE_FULL_GL 1
247#endif
248
249/*
250 * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1.
251 */
252#if _HAVE_FULL_GL
253#define FEATURE_NV_vertex_program 1
254#define FEATURE_userclip 1
255#define FEATURE_texgen 1
256#define FEATURE_windowpos 1
257#endif
258
259#define FEATURE_NV_fragment_program 1
260
261#define FEATURE_ARB_vertex_buffer_object 1
262
263#define FEATURE_ARB_vertex_program 1
264
265#define FEATURE_ARB_fragment_program 1
266
267#define FEATURE_ARB_occlusion_query 1
268
269/*@}*/
270
271
272#ifndef _HAVE_FULL_GL
273#define _HAVE_FULL_GL 1
274#endif
275
276
277#endif /* CONFIG_H */
278