src/mesa/main/config.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  5.1
   4  *
   5  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * 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  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 /*
  27  * Tunable configuration parameters.
  28  */
  29
  30
  31
  32 #ifndef CONFIG_H
  33 #define CONFIG_H
  34
  35 #ifdef HAVE_CONFIG_H
  36 #include "conf.h"
  37 #endif
  38
  39
  40 /*
  41  * OpenGL implementation limits
  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 /* Min and Max point sizes and granularity */
  88 #define MIN_POINT_SIZE 1.0
  89 #define MAX_POINT_SIZE 20.0
  90 #define POINT_SIZE_GRANULARITY 0.1
  91
  92 /* Min and Max line widths and granularity */
  93 #define MIN_LINE_WIDTH 1.0
  94 #define MAX_LINE_WIDTH 10.0
  95 #define LINE_WIDTH_GRANULARITY 0.1
  96
  97 /* Max texture palette / color table size */
  98 #define MAX_COLOR_TABLE_SIZE 256
  99
 100 /* Number of 1D/2D texture mipmap levels */
 101 #define MAX_TEXTURE_LEVELS 12
 102
 103 /* Number of 3D texture mipmap levels */
 104 #define MAX_3D_TEXTURE_LEVELS 9
 105
 106 /* Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
 107 #define MAX_CUBE_TEXTURE_LEVELS 12
 108
 109 /* Maximum rectangular texture size - GL_NV_texture_rectangle */
 110 #define MAX_TEXTURE_RECT_SIZE 2048
 111
 112 /* Number of texture units - GL_ARB_multitexture */
 113 #define MAX_TEXTURE_UNITS 8
 114
 115 /* New: separate numbers of texture coordinates and texture image units.
 116  * These values will eventually replace most instances of MAX_TEXTURE_UNITS.
 117  * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS.
 118  * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS.
 119  */
 120 #define MAX_TEXTURE_COORD_UNITS 8
 121 #define MAX_TEXTURE_IMAGE_UNITS 8
 122
 123 /* Maximum viewport/image size (must accomodate all texture sizes too): */
 124 #define MAX_WIDTH 2048
 125 #define MAX_HEIGHT 2048
 126
 127 /* Maxmimum size for CVA.  May be overridden by the drivers.  */
 128 #define MAX_ARRAY_LOCK_SIZE 3000
 129
 130 /* Subpixel precision for antialiasing, window coordinate snapping */
 131 #define SUB_PIXEL_BITS 4
 132
 133 /* Size of histogram tables */
 134 #define HISTOGRAM_TABLE_SIZE 256
 135
 136 /* Max convolution filter sizes */
 137 #define MAX_CONVOLUTION_WIDTH 9
 138 #define MAX_CONVOLUTION_HEIGHT 9
 139
 140 /* GL_ARB_texture_compression */
 141 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
 142
 143 /* GL_EXT_texture_filter_anisotropic */
 144 #define MAX_TEXTURE_MAX_ANISOTROPY 16.0
 145
 146 /* GL_EXT_texture_lod_bias */
 147 #define MAX_TEXTURE_LOD_BIAS 4.0
 148
 149 /* GL_NV_vertex_program */
 150 #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
 151 #define MAX_NV_VERTEX_PROGRAM_TEMPS         12
 152 #define MAX_NV_VERTEX_PROGRAM_PARAMS        96
 153 #define MAX_NV_VERTEX_PROGRAM_INPUTS        16
 154 #define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15
 155
 156 /* GL_NV_fragment_program */
 157 #define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128
 158 #define MAX_NV_FRAGMENT_PROGRAM_TEMPS         96
 159 #define MAX_NV_FRAGMENT_PROGRAM_PARAMS        64
 160 #define MAX_NV_FRAGMENT_PROGRAM_INPUTS        12
 161 #define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS        3
 162 #define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS    2
 163
 164 /* GL_ARB_vertex_program */
 165 #define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
 166
 167 /* GL_ARB_fragment_program */
 168 #define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 1
 169 #define MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48
 170 #define MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24
 171 #define MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS  4
 172
 173 /* Any program target/extension */
 174 #define MAX_PROGRAM_LOCAL_PARAMS 96
 175 #define MAX_PROGRAM_MATRICES 8
 176 #define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
 177
 178
 179
 180
 181 /*
 182  * Mesa-specific parameters
 183  */
 184
 185
 186 /*
 187  * Bits per accumulation buffer color component:  8, 16 or 32
 188  */
 189 #define ACCUM_BITS 16
 190
 191
 192 /*
 193  * Bits per depth buffer value.  Any reasonable value up to 31 will
 194  * work.  32 doesn't work because of integer overflow problems in the
 195  * rasterizer code.
 196  */
 197 #ifndef DEFAULT_SOFTWARE_DEPTH_BITS
 198 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
 199 #endif
 200 #if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
 201 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
 202 #else
 203 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
 204 #endif
 205
 206
 207
 208 /*
 209  * Bits per stencil value:  8
 210  */
 211 #define STENCIL_BITS 8
 212
 213
 214 /*
 215  * Bits per color channel:  8, 16 or 32
 216  */
 217 #ifndef CHAN_BITS
 218 #define CHAN_BITS 8
 219 #endif
 220
 221
 222 /*
 223  * Color channel component order
 224  * (changes will almost certainly cause problems at this time)
 225  */
 226 #define RCOMP 0
 227 #define GCOMP 1
 228 #define BCOMP 2
 229 #define ACOMP 3
 230
 231
 232
 233 /*
 234  * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1.
 235  */
 236 #define FEATURE_NV_vertex_program 1
 237
 238 #define FEATURE_NV_fragment_program 1
 239
 240 #define FEATURE_ARB_vertex_buffer_object 1
 241
 242 #define FEATURE_ARB_vertex_program 1
 243
 244 #define FEATURE_ARB_fragment_program 1
 245
 246
 247 #endif /* CONFIG_H */