src/mesa/main/config.h

   1 /* $Id: config.h,v 1.33 2001/07/13 20:07:37 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   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 /* Maximum attribute stack depth: */
  59 #define MAX_ATTRIB_STACK_DEPTH 16
  60
  61 /* Maximum client attribute stack depth: */
  62 #define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
  63
  64 /* Maximum recursion depth of display list calls: */
  65 #define MAX_LIST_NESTING 64
  66
  67 /* Maximum number of lights: */
  68 #define MAX_LIGHTS 8
  69
  70 /* Maximum user-defined clipping planes: */
  71 #define MAX_CLIP_PLANES 6
  72
  73 /* Maximum pixel map lookup table size: */
  74 #define MAX_PIXEL_MAP_TABLE 256
  75
  76 /* Number of auxillary color buffers: */
  77 #define NUM_AUX_BUFFERS 0
  78
  79 /* Maximum order (degree) of curves: */
  80 #ifdef AMIGA
  81 #   define MAX_EVAL_ORDER 12
  82 #else
  83 #   define MAX_EVAL_ORDER 30
  84 #endif
  85
  86 /* Maximum Name stack depth */
  87 #define MAX_NAME_STACK_DEPTH 64
  88
  89 /* Min and Max point sizes and granularity */
  90 #define MIN_POINT_SIZE 1.0
  91 #define MAX_POINT_SIZE 10.0
  92 #define POINT_SIZE_GRANULARITY 0.1
  93
  94 /* Min and Max line widths and granularity */
  95 #define MIN_LINE_WIDTH 1.0
  96 #define MAX_LINE_WIDTH 10.0
  97 #define LINE_WIDTH_GRANULARITY 0.1
  98
  99 /* Max texture palette / color table size */
 100 #define MAX_COLOR_TABLE_SIZE 256
 101
 102 /* Number of 1D/2D texture mipmap levels */
 103 #define MAX_TEXTURE_LEVELS 12
 104
 105 /* Number of 3D texture mipmap levels */
 106 #define MAX_3D_TEXTURE_LEVELS 8
 107
 108 /* Number of cube texture mipmap levels */
 109 #define MAX_CUBE_TEXTURE_LEVELS 12
 110
 111 /* Number of texture units - GL_ARB_multitexture */
 112 #define MAX_TEXTURE_UNITS 8
 113
 114 /* Maximum viewport/image size: */
 115 #define MAX_WIDTH 2048
 116 #define MAX_HEIGHT 2048
 117
 118 /* Maxmimum size for CVA.  May be overridden by the drivers.  */
 119 #define MAX_ARRAY_LOCK_SIZE 3000
 120
 121 /* Subpixel precision for antialiasing, window coordinate snapping */
 122 #define SUB_PIXEL_BITS 4
 123
 124 /* Size of histogram tables */
 125 #define HISTOGRAM_TABLE_SIZE 256
 126
 127 /* Max convolution filter sizes */
 128 #define MAX_CONVOLUTION_WIDTH 9
 129 #define MAX_CONVOLUTION_HEIGHT 9
 130
 131 /* GL_ARB_texture_compression */
 132 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
 133
 134 /* GL_EXT_texture_filter_anisotropic */
 135 #define MAX_TEXTURE_MAX_ANISOTROPY 16.0
 136
 137
 138
 139 /*
 140  * Mesa-specific parameters
 141  */
 142
 143
 144 /*
 145  * Bits per accumulation buffer color component:  8, 16 or 32
 146  */
 147 #define ACCUM_BITS 16
 148
 149
 150 /*
 151  * Bits per depth buffer value.  Any reasonable value up to 31 will
 152  * work.  32 doesn't work because of integer overflow problems in the
 153  * rasterizer code.
 154  */
 155 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
 156 #if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
 157 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
 158 #else
 159 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
 160 #endif
 161
 162
 163
 164 /*
 165  * Bits per stencil value:  8
 166  */
 167 #define STENCIL_BITS 8
 168
 169
 170 /*
 171  * Bits per color channel (must be 8 at this time!)
 172  */
 173 #ifndef CHAN_BITS
 174 #define CHAN_BITS 8
 175 #endif
 176
 177
 178 /*
 179  * Color channel component order
 180  * (changes will almost certainly cause problems at this time)
 181  */
 182 #define RCOMP 0
 183 #define GCOMP 1
 184 #define BCOMP 2
 185 #define ACOMP 3
 186
 187
 188 #endif /* CONFIG_H */