1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
|
/*
* Mesa 3-D graphics library
* Version: 7.5
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
* Copyright (C) 2008 VMware, 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 and this permission notice 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
* BRIAN PAUL 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.
*/
/**
* \file config.h
* Tunable configuration parameters.
*/
#ifndef MESA_CONFIG_H_INCLUDED
#define MESA_CONFIG_H_INCLUDED
/**
* \name OpenGL implementation limits
*/
/*@{*/
/** Maximum modelview matrix stack depth */
#define MAX_MODELVIEW_STACK_DEPTH 32
/** Maximum projection matrix stack depth */
#define MAX_PROJECTION_STACK_DEPTH 32
/** Maximum texture matrix stack depth */
#define MAX_TEXTURE_STACK_DEPTH 10
/** Maximum color matrix stack depth */
#define MAX_COLOR_STACK_DEPTH 4
/** Maximum attribute stack depth */
#define MAX_ATTRIB_STACK_DEPTH 16
/** Maximum client attribute stack depth */
#define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
/** Maximum recursion depth of display list calls */
#define MAX_LIST_NESTING 64
/** Maximum number of lights */
#define MAX_LIGHTS 8
/** Maximum user-defined clipping planes */
#define MAX_CLIP_PLANES 6
/** Maximum pixel map lookup table size */
#define MAX_PIXEL_MAP_TABLE 256
/** Maximum number of auxillary color buffers */
#define MAX_AUX_BUFFERS 1
/** Maximum order (degree) of curves */
#ifdef AMIGA
# define MAX_EVAL_ORDER 12
#else
# define MAX_EVAL_ORDER 30
#endif
/** Maximum Name stack depth */
#define MAX_NAME_STACK_DEPTH 64
/** Minimum point size */
#define MIN_POINT_SIZE 1.0
/** Maximum point size */
#define MAX_POINT_SIZE 60.0
/** Point size granularity */
#define POINT_SIZE_GRANULARITY 0.1
/** Minimum line width */
#define MIN_LINE_WIDTH 1.0
/** Maximum line width */
#define MAX_LINE_WIDTH 10.0
/** Line width granularity */
#define LINE_WIDTH_GRANULARITY 0.1
/** Max texture palette / color table size */
#define MAX_COLOR_TABLE_SIZE 256
/** Max memory to allow for a single texture image (in megabytes) */
#define MAX_TEXTURE_MBYTES 1024
/** Number of 1D/2D texture mipmap levels */
#define MAX_TEXTURE_LEVELS 15
/** Number of 3D texture mipmap levels */
#define MAX_3D_TEXTURE_LEVELS 15
/** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
#define MAX_CUBE_TEXTURE_LEVELS 15
/** Maximum rectangular texture size - GL_NV_texture_rectangle */
#define MAX_TEXTURE_RECT_SIZE 16384
/** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */
#define MAX_ARRAY_TEXTURE_LAYERS 64
/**
* Max number of texture coordinate units. This mainly just applies to
* the fixed-function vertex code. This will be difficult to raise above
* eight because of various vertex attribute bitvectors.
*/
#define MAX_TEXTURE_COORD_UNITS 8
/**
* Max number of texture image units. Also determines number of texture
* samplers in shaders.
*/
#define MAX_TEXTURE_IMAGE_UNITS 16
/**
* Larger of MAX_TEXTURE_COORD_UNITS and MAX_TEXTURE_IMAGE_UNITS.
* This value is only used for dimensioning arrays.
* Either MAX_TEXTURE_COORD_UNITS or MAX_TEXTURE_IMAGE_UNITS (or the
* corresponding ctx->Const.MaxTextureCoord/ImageUnits fields) should be
* used almost everywhere else.
*/
#define MAX_TEXTURE_UNITS ((MAX_TEXTURE_COORD_UNITS > MAX_TEXTURE_IMAGE_UNITS) ? MAX_TEXTURE_COORD_UNITS : MAX_TEXTURE_IMAGE_UNITS)
/**
* Maximum viewport/image width. Must accomodate all texture sizes too.
*/
#ifndef MAX_WIDTH
# define MAX_WIDTH 16384
#endif
/** Maximum viewport/image height */
#ifndef MAX_HEIGHT
# define MAX_HEIGHT 16384
#endif
/** Maxmimum size for CVA. May be overridden by the drivers. */
#define MAX_ARRAY_LOCK_SIZE 3000
/** Subpixel precision for antialiasing, window coordinate snapping */
#define SUB_PIXEL_BITS 4
/** Size of histogram tables */
#define HISTOGRAM_TABLE_SIZE 256
/** Max convolution filter width */
#define MAX_CONVOLUTION_WIDTH 9
/** Max convolution filter height */
#define MAX_CONVOLUTION_HEIGHT 9
/** For GL_ARB_texture_compression */
#define MAX_COMPRESSED_TEXTURE_FORMATS 25
/** For GL_EXT_texture_filter_anisotropic */
#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
/** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */
#define MAX_TEXTURE_LOD_BIAS 14.0
/** For any program target/extension */
/*@{*/
#define MAX_PROGRAM_INSTRUCTIONS (16 * 1024)
/**
* Per-program constants (power of two)
*
* \c MAX_PROGRAM_LOCAL_PARAMS and \c MAX_UNIFORMS are just the assembly shader
* and GLSL shader names for the same thing. They should \b always have the
* same value. Each refers to the number of vec4 values supplied as
* per-program parameters.
*/
/*@{*/
#define MAX_PROGRAM_LOCAL_PARAMS 1024
#define MAX_UNIFORMS 1024
/*@}*/
/**
* Per-context constants (power of two)
*
* \note
* This value should always be less than or equal to \c MAX_PROGRAM_LOCAL_PARAMS
* and \c MAX_VERTEX_PROGRAM_PARAMS. Otherwise some applications will make
* incorrect assumptions.
*/
#define MAX_PROGRAM_ENV_PARAMS 256
#define MAX_PROGRAM_MATRICES 8
#define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
#define MAX_PROGRAM_CALL_DEPTH 8
#define MAX_PROGRAM_TEMPS 256
#define MAX_PROGRAM_ADDRESS_REGS 2
#define MAX_VARYING 16 /**< number of float[4] vectors */
#define MAX_SAMPLERS MAX_TEXTURE_IMAGE_UNITS
#define MAX_PROGRAM_INPUTS 32
#define MAX_PROGRAM_OUTPUTS 64
/*@}*/
/** For GL_ARB_vertex_program */
/*@{*/
#define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
#define MAX_VERTEX_PROGRAM_PARAMS MAX_UNIFORMS
/*@}*/
/** For GL_ARB_fragment_program */
/*@{*/
#define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 0
/*@}*/
/** For GL_NV_vertex_program */
/*@{*/
#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
#define MAX_NV_VERTEX_PROGRAM_TEMPS 12
#define MAX_NV_VERTEX_PROGRAM_PARAMS 96
#define MAX_NV_VERTEX_PROGRAM_INPUTS 16
#define MAX_NV_VERTEX_PROGRAM_OUTPUTS 15
/*@}*/
/** For GL_NV_fragment_program */
/*@{*/
#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 1024 /* 72 for GL_ARB_f_p */
#define MAX_NV_FRAGMENT_PROGRAM_TEMPS 96
#define MAX_NV_FRAGMENT_PROGRAM_PARAMS 64
#define MAX_NV_FRAGMENT_PROGRAM_INPUTS 12
#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS 3
#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS 2
/*@}*/
/** For GL_ARB_vertex_shader */
/*@{*/
#define MAX_VERTEX_GENERIC_ATTRIBS 16
#define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_IMAGE_UNITS
#define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_VERTEX_TEXTURE_IMAGE_UNITS + \
MAX_TEXTURE_IMAGE_UNITS)
/*@}*/
/** For GL_ARB_draw_buffers */
/*@{*/
#define MAX_DRAW_BUFFERS 8
/*@}*/
/** For GL_EXT_framebuffer_object */
/*@{*/
#define MAX_COLOR_ATTACHMENTS 8
/*@}*/
/** For GL_ATI_envmap_bump - support bump mapping on first 8 units */
#define SUPPORTED_ATI_BUMP_UNITS 0xff
/** For GL_EXT_transform_feedback */
#define MAX_FEEDBACK_ATTRIBS 32
/** For GL_ARB_geometry_shader4 */
/*@{*/
#define MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 8
#define MAX_GEOMETRY_VARYING_COMPONENTS 32
#define MAX_VERTEX_VARYING_COMPONENTS 32
#define MAX_GEOMETRY_UNIFORM_COMPONENTS 512
#define MAX_GEOMETRY_OUTPUT_VERTICES 256
#define MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 1024
/*@}*/
/**
* \name Mesa-specific parameters
*/
/*@{*/
/**
* If non-zero use GLdouble for walking triangle edges, for better accuracy.
*/
#define TRIANGLE_WALK_DOUBLE 0
/**
* Bits per depth buffer value (max is 32).
*/
#ifndef DEFAULT_SOFTWARE_DEPTH_BITS
#define DEFAULT_SOFTWARE_DEPTH_BITS 16
#endif
/** Depth buffer data type */
#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
#else
#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
#endif
/**
* Bits per stencil value: 8
*/
#define STENCIL_BITS 8
/**
* Bits per color channel: 8, 16 or 32
*/
#ifndef CHAN_BITS
#define CHAN_BITS 8
#endif
/*
* Color channel component order
*
* \note Changes will almost certainly cause problems at this time.
*/
#define RCOMP 0
#define GCOMP 1
#define BCOMP 2
#define ACOMP 3
/**
* Maximum number of temporary vertices required for clipping.
*
* Used in array_cache and tnl modules.
*/
#define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
#endif /* MESA_CONFIG_H_INCLUDED */
|
