config.h revision 2c3d34c905fa6b831a066afae83b938de05eb241
1/* $Id: config.h,v 1.28 2001/03/18 08:53:49 gareth 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 texture levels */ 103#define MAX_TEXTURE_LEVELS 12 104 105/* Number of texture units - GL_ARB_multitexture */ 106#define MAX_TEXTURE_UNITS 8 107 108/* Maximum viewport/image size: */ 109#define MAX_WIDTH 2048 110#define MAX_HEIGHT 1200 111 112/* Maxmimum size for CVA. May be overridden by the drivers. */ 113#define MAX_ARRAY_LOCK_SIZE 3000 114 115/* Subpixel precision for antialiasing, window coordinate snapping */ 116#define SUB_PIXEL_BITS 4 117 118/* Size of histogram tables */ 119#define HISTOGRAM_TABLE_SIZE 256 120 121/* Max convolution filter sizes */ 122#define MAX_CONVOLUTION_WIDTH 9 123#define MAX_CONVOLUTION_HEIGHT 9 124 125/* GL_ARB_texture_compression */ 126#define MAX_COMPRESSED_TEXTURE_FORMATS 25 127 128/* GL_EXT_texture_filter_anisotropic */ 129#define MAX_TEXTURE_MAX_ANISOTROPY 16.0 130 131 132 133/* 134 * Mesa-specific parameters 135 */ 136 137 138/* 139 * Bits per accumulation buffer color component: 8 or 16 140 */ 141#define ACCUM_BITS 16 142 143 144/* 145 * Bits per depth buffer value. Any reasonable value up to 31 will 146 * work. 32 doesn't work because of integer overflow problems in the 147 * rasterizer code. 148 */ 149#define DEFAULT_SOFTWARE_DEPTH_BITS 16 150#if DEFAULT_SOFTWARE_DEPTH_BITS <= 16 151#define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort 152#else 153#define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint 154#endif 155 156 157 158/* 159 * Bits per stencil value: 8 160 */ 161#define STENCIL_BITS 8 162 163 164/* 165 * Bits per color channel (must be 8 at this time!) 166 */ 167#define CHAN_BITS 8 168 169 170/* 171 * Color channel component order 172 * (changes will almost certainly cause problems at this time) 173 */ 174#define RCOMP 0 175#define GCOMP 1 176#define BCOMP 2 177#define ACOMP 3 178 179 180 181/* 182 * Language/compiler stuff 183 */ 184 185/* Some compilers don't like some of Mesa's const usage */ 186#ifdef NO_CONST 187# define CONST 188#else 189# define CONST const 190#endif 191 192 193/* Function inlining */ 194#if defined(__GNUC__) 195# define INLINE __inline__ 196#elif defined(__MSC__) 197# define INLINE __inline 198#else 199# define INLINE 200#endif 201 202 203#ifdef DEBUG 204# define ASSERT(X) assert(X) 205#else 206# define ASSERT(X) 207#endif 208 209 210#endif 211