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 /* Vertex program matrix stacks: */
  57 #define MAX_PROGRAM_MATRICES 8
  58 #define MAX_PROGRAM_STACK_DEPTH 4
  59
  60 /* Maximum attribute stack depth: */
  61 #define MAX_ATTRIB_STACK_DEPTH 16
  62
  63 /* Maximum client attribute stack depth: */
  64 #define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
  65
  66 /* Maximum recursion depth of display list calls: */
  67 #define MAX_LIST_NESTING 64
  68
  69 /* Maximum number of lights: */
  70 #define MAX_LIGHTS 8
  71
  72 /* Maximum user-defined clipping planes: */
  73 #define MAX_CLIP_PLANES 6
  74
  75 /* Maximum pixel map lookup table size: */
  76 #define MAX_PIXEL_MAP_TABLE 256
  77
  78 /* Number of auxillary color buffers: */
  79 #define NUM_AUX_BUFFERS 0
  80
  81 /* Maximum order (degree) of curves: */
  82 #ifdef AMIGA
  83 #   define MAX_EVAL_ORDER 12
  84 #else
  85 #   define MAX_EVAL_ORDER 30
  86 #endif
  87
  88 /* Maximum Name stack depth */
  89 #define MAX_NAME_STACK_DEPTH 64
  90
  91 /* Min and Max point sizes and granularity */
  92 #define MIN_POINT_SIZE 1.0
  93 #define MAX_POINT_SIZE 20.0
  94 #define POINT_SIZE_GRANULARITY 0.1
  95
  96 /* Min and Max line widths and granularity */
  97 #define MIN_LINE_WIDTH 1.0
  98 #define MAX_LINE_WIDTH 10.0
  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 /* New: separate numbers of texture coordinates and texture image units.
 120  * These values will eventually replace most instances of MAX_TEXTURE_UNITS.
 121  * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS.
 122  * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS.
 123  */
 124 #define MAX_TEXTURE_COORD_UNITS 8
 125 #define MAX_TEXTURE_IMAGE_UNITS 8
 126
 127 /* Maximum viewport/image size: */
 128 #define MAX_WIDTH 2048
 129 #define MAX_HEIGHT 2048
 130
 131 /* Maxmimum size for CVA.  May be overridden by the drivers.  */
 132 #define MAX_ARRAY_LOCK_SIZE 3000
 133
 134 /* Subpixel precision for antialiasing, window coordinate snapping */
 135 #define SUB_PIXEL_BITS 4
 136
 137 /* Size of histogram tables */
 138 #define HISTOGRAM_TABLE_SIZE 256
 139
 140 /* Max convolution filter sizes */
 141 #define MAX_CONVOLUTION_WIDTH 9
 142 #define MAX_CONVOLUTION_HEIGHT 9
 143
 144 /* GL_ARB_texture_compression */
 145 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
 146
 147 /* GL_EXT_texture_filter_anisotropic */
 148 #define MAX_TEXTURE_MAX_ANISOTROPY 16.0
 149
 150 /* GL_EXT_texture_lod_bias */
 151 #define MAX_TEXTURE_LOD_BIAS 4.0
 152
 153 /* GL_NV_vertex_program */
 154 #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
 155 #define MAX_NV_VERTEX_PROGRAM_TEMPS         12
 156 #define MAX_NV_VERTEX_PROGRAM_PARAMS        96
 157 #define MAX_NV_VERTEX_PROGRAM_INPUTS        16
 158 #define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15
 159
 160 /* GL_NV_fragment_program */
 161 #define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128
 162 #define MAX_NV_FRAGMENT_PROGRAM_TEMPS         96
 163 #define MAX_NV_FRAGMENT_PROGRAM_PARAMS        64
 164 #define MAX_NV_FRAGMENT_PROGRAM_INPUTS        12
 165 #define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS        3
 166 #define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS    2
 167
 168
 169
 170 /*
 171  * Mesa-specific parameters
 172  */
 173
 174
 175 /*
 176  * Bits per accumulation buffer color component:  8, 16 or 32
 177  */
 178 #define ACCUM_BITS 16
 179
 180
 181 /*
 182  * Bits per depth buffer value.  Any reasonable value up to 31 will
 183  * work.  32 doesn't work because of integer overflow problems in the
 184  * rasterizer code.
 185  */
 186 #ifndef DEFAULT_SOFTWARE_DEPTH_BITS
 187 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
 188 #endif
 189 #if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
 190 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
 191 #else
 192 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
 193 #endif
 194
 195
 196
 197 /*
 198  * Bits per stencil value:  8
 199  */
 200 #define STENCIL_BITS 8
 201
 202
 203 /*
 204  * Bits per color channel:  8, 16 or 32
 205  */
 206 #ifndef CHAN_BITS
 207 #define CHAN_BITS 8
 208 #endif
 209
 210
 211 /*
 212  * Color channel component order
 213  * (changes will almost certainly cause problems at this time)
 214  */
 215 #define RCOMP 0
 216 #define GCOMP 1
 217 #define BCOMP 2
 218 #define ACOMP 3
 219
 220
 221
 222 /*
 223  * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1.
 224  */
 225 #define FEATURE_NV_vertex_program 1
 226
 227 #define FEATURE_NV_fragment_program 1
 228
 229 #define FEATURE_ARB_vertex_buffer_object 1
 230
 231 #define FEATURE_ARB_vertex_program 1
 232
 233 #define FEATURE_ARB_fragment_program 1
 234
 235
 236 #endif /* CONFIG_H */