src/mesa/main/config.h

   1 /* $Id: config.h,v 1.39 2002/06/15 02:38:15 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  4.1
   6  *
   7  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 /*
  29  * Tunable configuration parameters.
  30  */
  31
  32
  33
  34 #ifndef CONFIG_H
  35 #define CONFIG_H
  36
  37 #ifdef HAVE_CONFIG_H
  38 #include "conf.h"
  39 #endif
  40
  41
  42 /*
  43  * OpenGL implementation limits
  44  */
  45
  46 /* Maximum modelview matrix stack depth: */
  47 #define MAX_MODELVIEW_STACK_DEPTH 32
  48
  49 /* Maximum projection matrix stack depth: */
  50 #define MAX_PROJECTION_STACK_DEPTH 32
  51
  52 /* Maximum texture matrix stack depth: */
  53 #define MAX_TEXTURE_STACK_DEPTH 10
  54
  55 /* Maximum color matrix stack depth: */
  56 #define MAX_COLOR_STACK_DEPTH 4
  57
  58 /* Vertex program matrix stacks: */
  59 #define MAX_PROGRAM_MATRICES 8
  60 #define MAX_PROGRAM_STACK_DEPTH 4
  61
  62 /* Maximum attribute stack depth: */
  63 #define MAX_ATTRIB_STACK_DEPTH 16
  64
  65 /* Maximum client attribute stack depth: */
  66 #define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
  67
  68 /* Maximum recursion depth of display list calls: */
  69 #define MAX_LIST_NESTING 64
  70
  71 /* Maximum number of lights: */
  72 #define MAX_LIGHTS 8
  73
  74 /* Maximum user-defined clipping planes: */
  75 #define MAX_CLIP_PLANES 6
  76
  77 /* Maximum pixel map lookup table size: */
  78 #define MAX_PIXEL_MAP_TABLE 256
  79
  80 /* Number of auxillary color buffers: */
  81 #define NUM_AUX_BUFFERS 0
  82
  83 /* Maximum order (degree) of curves: */
  84 #ifdef AMIGA
  85 #   define MAX_EVAL_ORDER 12
  86 #else
  87 #   define MAX_EVAL_ORDER 30
  88 #endif
  89
  90 /* Maximum Name stack depth */
  91 #define MAX_NAME_STACK_DEPTH 64
  92
  93 /* Min and Max point sizes and granularity */
  94 #define MIN_POINT_SIZE 1.0
  95 #define MAX_POINT_SIZE 20.0
  96 #define POINT_SIZE_GRANULARITY 0.1
  97
  98 /* Min and Max line widths and granularity */
  99 #define MIN_LINE_WIDTH 1.0
 100 #define MAX_LINE_WIDTH 10.0
 101 #define LINE_WIDTH_GRANULARITY 0.1
 102
 103 /* Max texture palette / color table size */
 104 #define MAX_COLOR_TABLE_SIZE 256
 105
 106 /* Number of 1D/2D texture mipmap levels */
 107 #define MAX_TEXTURE_LEVELS 12
 108
 109 /* Number of 3D texture mipmap levels */
 110 #define MAX_3D_TEXTURE_LEVELS 8
 111
 112 /* Number of cube texture mipmap levels */
 113 #define MAX_CUBE_TEXTURE_LEVELS 12
 114
 115 /* Number of texture units - GL_ARB_multitexture */
 116 #define MAX_TEXTURE_UNITS 8
 117
 118 /* Maximum viewport/image size: */
 119 #define MAX_WIDTH 2048
 120 #define MAX_HEIGHT 2048
 121
 122 /* Maxmimum size for CVA.  May be overridden by the drivers.  */
 123 #define MAX_ARRAY_LOCK_SIZE 3000
 124
 125 /* Subpixel precision for antialiasing, window coordinate snapping */
 126 #define SUB_PIXEL_BITS 4
 127
 128 /* Size of histogram tables */
 129 #define HISTOGRAM_TABLE_SIZE 256
 130
 131 /* Max convolution filter sizes */
 132 #define MAX_CONVOLUTION_WIDTH 9
 133 #define MAX_CONVOLUTION_HEIGHT 9
 134
 135 /* GL_ARB_texture_compression */
 136 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
 137
 138 /* GL_EXT_texture_filter_anisotropic */
 139 #define MAX_TEXTURE_MAX_ANISOTROPY 16.0
 140
 141 /* GL_EXT_texture_lod_bias */
 142 #define MAX_TEXTURE_LOD_BIAS 4.0
 143
 144
 145
 146 /*
 147  * Mesa-specific parameters
 148  */
 149
 150
 151 /*
 152  * Bits per accumulation buffer color component:  8, 16 or 32
 153  */
 154 #define ACCUM_BITS 32
 155
 156
 157 /*
 158  * Bits per depth buffer value.  Any reasonable value up to 31 will
 159  * work.  32 doesn't work because of integer overflow problems in the
 160  * rasterizer code.
 161  */
 162 #ifndef DEFAULT_SOFTWARE_DEPTH_BITS
 163 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
 164 #endif
 165 #if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
 166 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
 167 #else
 168 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
 169 #endif
 170
 171
 172
 173 /*
 174  * Bits per stencil value:  8
 175  */
 176 #define STENCIL_BITS 8
 177
 178
 179 /*
 180  * Bits per color channel:  8, 16 or 32
 181  */
 182 #ifndef CHAN_BITS
 183 #define CHAN_BITS 8
 184 #endif
 185
 186
 187 /*
 188  * Color channel component order
 189  * (changes will almost certainly cause problems at this time)
 190  */
 191 #define RCOMP 0
 192 #define GCOMP 1
 193 #define BCOMP 2
 194 #define ACOMP 3
 195
 196
 197 #endif /* CONFIG_H */