config.h revision 6061df09a45c42745253965df012ddf76910ea33
1/* $Id: config.h,v 1.45 2003/03/29 17:01:03 brianp Exp $ */ 2 3/* 4 * Mesa 3-D graphics library 5 * Version: 5.1 6 * 7 * Copyright (C) 1999-2003 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 - GL_ARB_texture_cube_map */ 113#define MAX_CUBE_TEXTURE_LEVELS 12 114 115/* Maximum rectangular texture size - GL_NV_texture_rectangle */ 116#define MAX_TEXTURE_RECT_SIZE 2048 117 118/* Number of texture units - GL_ARB_multitexture */ 119#define MAX_TEXTURE_UNITS 8 120 121/* New: separate numbers of texture coordinates and texture image units. 122 * These values will eventually replace most instances of MAX_TEXTURE_UNITS. 123 * We should always have MAX_TEXTURE_COORD_UNITS <= MAX_TEXTURE_IMAGE_UNITS. 124 * And, GL_MAX_TEXTURE_UNITS <= MAX_TEXTURE_COORD_UNITS. 125 */ 126#define MAX_TEXTURE_COORD_UNITS 8 127#define MAX_TEXTURE_IMAGE_UNITS 8 128 129/* Maximum viewport/image size: */ 130#define MAX_WIDTH 2048 131#define MAX_HEIGHT 2048 132 133/* Maxmimum size for CVA. May be overridden by the drivers. */ 134#define MAX_ARRAY_LOCK_SIZE 3000 135 136/* Subpixel precision for antialiasing, window coordinate snapping */ 137#define SUB_PIXEL_BITS 4 138 139/* Size of histogram tables */ 140#define HISTOGRAM_TABLE_SIZE 256 141 142/* Max convolution filter sizes */ 143#define MAX_CONVOLUTION_WIDTH 9 144#define MAX_CONVOLUTION_HEIGHT 9 145 146/* GL_ARB_texture_compression */ 147#define MAX_COMPRESSED_TEXTURE_FORMATS 25 148 149/* GL_EXT_texture_filter_anisotropic */ 150#define MAX_TEXTURE_MAX_ANISOTROPY 16.0 151 152/* GL_EXT_texture_lod_bias */ 153#define MAX_TEXTURE_LOD_BIAS 4.0 154 155/* GL_NV_vertex_program */ 156#define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128 157#define MAX_NV_VERTEX_PROGRAM_TEMPS 12 158#define MAX_NV_VERTEX_PROGRAM_PARAMS 96 159#define MAX_NV_VERTEX_PROGRAM_INPUTS 16 160#define MAX_NV_VERTEX_PROGRAM_OUTPUTS 15 161 162/* GL_NV_fragment_program */ 163#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128 164#define MAX_NV_FRAGMENT_PROGRAM_TEMPS 96 165#define MAX_NV_FRAGMENT_PROGRAM_PARAMS 64 166#define MAX_NV_FRAGMENT_PROGRAM_INPUTS 12 167#define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS 3 168#define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS 2 169 170 171 172/* 173 * Mesa-specific parameters 174 */ 175 176 177/* 178 * Bits per accumulation buffer color component: 8, 16 or 32 179 */ 180#define ACCUM_BITS 16 181 182 183/* 184 * Bits per depth buffer value. Any reasonable value up to 31 will 185 * work. 32 doesn't work because of integer overflow problems in the 186 * rasterizer code. 187 */ 188#ifndef DEFAULT_SOFTWARE_DEPTH_BITS 189#define DEFAULT_SOFTWARE_DEPTH_BITS 16 190#endif 191#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16 192#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort 193#else 194#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint 195#endif 196 197 198 199/* 200 * Bits per stencil value: 8 201 */ 202#define STENCIL_BITS 8 203 204 205/* 206 * Bits per color channel: 8, 16 or 32 207 */ 208#ifndef CHAN_BITS 209#define CHAN_BITS 8 210#endif 211 212 213/* 214 * Color channel component order 215 * (changes will almost certainly cause problems at this time) 216 */ 217#define RCOMP 0 218#define GCOMP 1 219#define BCOMP 2 220#define ACOMP 3 221 222 223 224/* 225 * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1. 226 */ 227#define FEATURE_NV_vertex_program 1 228 229#define FEATURE_NV_fragment_program 1 230 231#define FEATURE_ARB_vertex_buffer_object 1 232 233#endif /* CONFIG_H */ 234