f1f12b8a0eda3c8bd63494b5e71f8857a0a5e35b
3 * Tunable configuration parameters.
7 * Mesa 3-D graphics library
10 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
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
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16 * and/or sell copies of the Software, and to permit persons to whom the
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19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
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
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31 #ifndef MESA_CONFIG_H_INCLUDED
32 #define MESA_CONFIG_H_INCLUDED
35 #include "main/mfeatures.h"
39 * \name OpenGL implementation limits
43 /** Maximum modelview matrix stack depth */
44 #define MAX_MODELVIEW_STACK_DEPTH 32
46 /** Maximum projection matrix stack depth */
47 #define MAX_PROJECTION_STACK_DEPTH 32
49 /** Maximum texture matrix stack depth */
50 #define MAX_TEXTURE_STACK_DEPTH 10
52 /** Maximum color matrix stack depth */
53 #define MAX_COLOR_STACK_DEPTH 4
55 /** Maximum attribute stack depth */
56 #define MAX_ATTRIB_STACK_DEPTH 16
58 /** Maximum client attribute stack depth */
59 #define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
61 /** Maximum recursion depth of display list calls */
62 #define MAX_LIST_NESTING 64
64 /** Maximum number of lights */
67 /** Maximum user-defined clipping planes */
68 #define MAX_CLIP_PLANES 6
70 /** Maximum pixel map lookup table size */
71 #define MAX_PIXEL_MAP_TABLE 256
73 /** Maximum number of auxillary color buffers */
74 #define MAX_AUX_BUFFERS 4
76 /** Maximum order (degree) of curves */
78 # define MAX_EVAL_ORDER 12
80 # define MAX_EVAL_ORDER 30
83 /** Maximum Name stack depth */
84 #define MAX_NAME_STACK_DEPTH 64
86 /** Minimum point size */
87 #define MIN_POINT_SIZE 1.0
88 /** Maximum point size */
89 #define MAX_POINT_SIZE 60.0
90 /** Point size granularity */
91 #define POINT_SIZE_GRANULARITY 0.1
93 /** Minimum line width */
94 #define MIN_LINE_WIDTH 1.0
95 /** Maximum line width */
96 #define MAX_LINE_WIDTH 10.0
97 /** Line width granularity */
98 #define LINE_WIDTH_GRANULARITY 0.1
100 /** Max texture palette / color table size */
101 #define MAX_COLOR_TABLE_SIZE 256
103 /** Number of 1D/2D texture mipmap levels */
104 #define MAX_TEXTURE_LEVELS 12
106 /** Number of 3D texture mipmap levels */
107 #define MAX_3D_TEXTURE_LEVELS 9
109 /** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
110 #define MAX_CUBE_TEXTURE_LEVELS 12
112 /** Maximum rectangular texture size - GL_NV_texture_rectangle */
113 #define MAX_TEXTURE_RECT_SIZE 2048
115 /** Maximum number of layers in a 1D or 2D array texture - GL_MESA_texture_array */
116 #define MAX_ARRAY_TEXTURE_LAYERS 64
118 /** Number of texture units - GL_ARB_multitexture
119 * This needs to be the larger of MAX_TEXTURE_COORD_UNITS and
120 * MAX_TEXTURE_IMAGE_UNITS seen below, since MAX_TEXTURE_UNITS is used
121 * to dimension some arrays that store both coord and image data.
123 #define MAX_TEXTURE_UNITS 8
129 * \name Separate numbers of texture coordinates and texture image units.
131 * These values will eventually replace most instances of MAX_TEXTURE_UNITS.
132 * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS.
133 * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS.
136 #define MAX_TEXTURE_COORD_UNITS 8
137 #define MAX_TEXTURE_IMAGE_UNITS 8
141 * Maximum viewport/image width. Must accomodate all texture sizes too.
143 #define MAX_WIDTH 4096
144 /** Maximum viewport/image height */
145 #define MAX_HEIGHT 4096
147 /** Maxmimum size for CVA. May be overridden by the drivers. */
148 #define MAX_ARRAY_LOCK_SIZE 3000
150 /** Subpixel precision for antialiasing, window coordinate snapping */
151 #define SUB_PIXEL_BITS 4
153 /** Size of histogram tables */
154 #define HISTOGRAM_TABLE_SIZE 256
156 /** Max convolution filter width */
157 #define MAX_CONVOLUTION_WIDTH 9
158 /** Max convolution filter height */
159 #define MAX_CONVOLUTION_HEIGHT 9
161 /** For GL_ARB_texture_compression */
162 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
164 /** For GL_EXT_texture_filter_anisotropic */
165 #define MAX_TEXTURE_MAX_ANISOTROPY 16.0
167 /** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */
168 #define MAX_TEXTURE_LOD_BIAS 11.0
170 /** For GL_ARB_vertex_program */
172 #define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
173 #define MAX_VERTEX_PROGRAM_ATTRIBS 16
176 /** For GL_ARB_fragment_program */
178 #define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 0
179 #define MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48
180 #define MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24
181 #define MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS 4
184 /** For any program target/extension */
186 #define MAX_PROGRAM_LOCAL_PARAMS 128 /* KW: power of two */
187 #define MAX_PROGRAM_ENV_PARAMS 128
188 #define MAX_PROGRAM_MATRICES 8
189 #define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
190 #define MAX_PROGRAM_CALL_DEPTH 8
191 #define MAX_PROGRAM_TEMPS 128
192 #define MAX_PROGRAM_ADDRESS_REGS 2
193 #define MAX_UNIFORMS 128 /**< number of float components */
194 #define MAX_VARYING 8 /**< number of float[4] vectors */
195 #define MAX_SAMPLERS 8
196 #define MAX_PROGRAM_INPUTS 32
197 #define MAX_PROGRAM_OUTPUTS 32
200 /** For GL_NV_vertex_program */
202 #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
203 #define MAX_NV_VERTEX_PROGRAM_TEMPS 12
204 #define MAX_NV_VERTEX_PROGRAM_PARAMS MAX_PROGRAM_ENV_PARAMS
205 #define MAX_NV_VERTEX_PROGRAM_INPUTS 16
206 #define MAX_NV_VERTEX_PROGRAM_OUTPUTS 15
209 /** For GL_NV_fragment_program */
211 #define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 1024 /* 72 for GL_ARB_f_p */
212 #define MAX_NV_FRAGMENT_PROGRAM_TEMPS 96
213 #define MAX_NV_FRAGMENT_PROGRAM_PARAMS 64
214 #define MAX_NV_FRAGMENT_PROGRAM_INPUTS 12
215 #define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS 3
216 #define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS 2
220 /** For GL_ARB_vertex_shader */
222 #define MAX_VERTEX_ATTRIBS 16
223 #define MAX_VERTEX_TEXTURE_IMAGE_UNITS MAX_TEXTURE_UNITS
224 #define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS)
228 /** For GL_ARB_draw_buffers */
230 #define MAX_DRAW_BUFFERS 4
234 /** For GL_EXT_framebuffer_object */
236 #define MAX_COLOR_ATTACHMENTS 8
242 * \name Mesa-specific parameters
248 * If non-zero use GLdouble for walking triangle edges, for better accuracy.
250 #define TRIANGLE_WALK_DOUBLE 0
254 * Bits per depth buffer value (max is 32).
256 #ifndef DEFAULT_SOFTWARE_DEPTH_BITS
257 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
259 /** Depth buffer data type */
260 #if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
261 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
263 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
268 * Bits per stencil value: 8
270 #define STENCIL_BITS 8
274 * Bits per color channel: 8, 16 or 32
282 * Color channel component order
284 * \note Changes will almost certainly cause problems at this time.
293 * Maximum number of temporary vertices required for clipping.
295 * Used in array_cache and tnl modules.
297 #define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
300 #endif /* MESA_CONFIG_H_INCLUDED */