reactos/dll/3rdparty/mesa32/src/main/config.h

   1 /**
   2  * \file config.h
   3  * Tunable configuration parameters.
   4  */
   5
   6 /*
   7  * Mesa 3-D graphics library
   8  * Version:  6.3
   9  *
  10  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice shall be included
  20  * in all copies or substantial portions of the Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  25  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  26  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  27  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28  */
  29
  30
  31 #ifndef CONFIG_H
  32 #define CONFIG_H
  33
  34 /**
  35  * \name OpenGL implementation limits
  36  */
  37 /*@{*/
  38
  39 /** Maximum modelview matrix stack depth */
  40 #define MAX_MODELVIEW_STACK_DEPTH 32
  41
  42 /** Maximum projection matrix stack depth */
  43 #define MAX_PROJECTION_STACK_DEPTH 32
  44
  45 /** Maximum texture matrix stack depth */
  46 #define MAX_TEXTURE_STACK_DEPTH 10
  47
  48 /** Maximum color matrix stack depth */
  49 #define MAX_COLOR_STACK_DEPTH 4
  50
  51 /** Maximum attribute stack depth */
  52 #define MAX_ATTRIB_STACK_DEPTH 16
  53
  54 /** Maximum client attribute stack depth */
  55 #define MAX_CLIENT_ATTRIB_STACK_DEPTH 16
  56
  57 /** Maximum recursion depth of display list calls */
  58 #define MAX_LIST_NESTING 64
  59
  60 /** Maximum number of lights */
  61 #define MAX_LIGHTS 8
  62
  63 /** Maximum user-defined clipping planes */
  64 #define MAX_CLIP_PLANES 6
  65
  66 /** Maximum pixel map lookup table size */
  67 #define MAX_PIXEL_MAP_TABLE 256
  68
  69 /** Maximum number of auxillary color buffers */
  70 #define MAX_AUX_BUFFERS 4
  71
  72 /** Maximum order (degree) of curves */
  73 #ifdef AMIGA
  74 #   define MAX_EVAL_ORDER 12
  75 #else
  76 #   define MAX_EVAL_ORDER 30
  77 #endif
  78
  79 /** Maximum Name stack depth */
  80 #define MAX_NAME_STACK_DEPTH 64
  81
  82 /** Minimum point size */
  83 #define MIN_POINT_SIZE 1.0
  84 /** Maximum point size */
  85 #define MAX_POINT_SIZE 20.0
  86 /** Point size granularity */
  87 #define POINT_SIZE_GRANULARITY 0.1
  88
  89 /** Minimum line width */
  90 #define MIN_LINE_WIDTH 1.0
  91 /** Maximum line width */
  92 #define MAX_LINE_WIDTH 10.0
  93 /** Line width granularity */
  94 #define LINE_WIDTH_GRANULARITY 0.1
  95
  96 /** Max texture palette / color table size */
  97 #define MAX_COLOR_TABLE_SIZE 256
  98
  99 /** Number of 1D/2D texture mipmap levels */
 100 #define MAX_TEXTURE_LEVELS 12
 101
 102 /** Number of 3D texture mipmap levels */
 103 #define MAX_3D_TEXTURE_LEVELS 9
 104
 105 /** Number of cube texture mipmap levels - GL_ARB_texture_cube_map */
 106 #define MAX_CUBE_TEXTURE_LEVELS 12
 107
 108 /** Maximum rectangular texture size - GL_NV_texture_rectangle */
 109 #define MAX_TEXTURE_RECT_SIZE 2048
 110
 111 /** Number of texture units - GL_ARB_multitexture */
 112 #define MAX_TEXTURE_UNITS 8
 113
 114 /*@}*/
 115
 116
 117 /**
 118  * \name Separate numbers of texture coordinates and texture image units.
 119  *
 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 /*@{*/
 125 #define MAX_TEXTURE_COORD_UNITS 8
 126 #define MAX_TEXTURE_IMAGE_UNITS 8
 127 /*@}*/
 128
 129 /**
 130  * Maximum viewport/image width. Must accomodate all texture sizes too.
 131  */
 132 #define MAX_WIDTH 4096
 133 /** Maximum viewport/image height */
 134 #define MAX_HEIGHT 4096
 135
 136 /** Maxmimum size for CVA.  May be overridden by the drivers.  */
 137 #define MAX_ARRAY_LOCK_SIZE 3000
 138
 139 /** Subpixel precision for antialiasing, window coordinate snapping */
 140 #define SUB_PIXEL_BITS 4
 141
 142 /** Size of histogram tables */
 143 #define HISTOGRAM_TABLE_SIZE 256
 144
 145 /** Max convolution filter width */
 146 #define MAX_CONVOLUTION_WIDTH 9
 147 /** Max convolution filter height */
 148 #define MAX_CONVOLUTION_HEIGHT 9
 149
 150 /** For GL_ARB_texture_compression */
 151 #define MAX_COMPRESSED_TEXTURE_FORMATS 25
 152
 153 /** For GL_EXT_texture_filter_anisotropic */
 154 #define MAX_TEXTURE_MAX_ANISOTROPY 16.0
 155
 156 /** For GL_EXT_texture_lod_bias (typically MAX_TEXTURE_LEVELS - 1) */
 157 #define MAX_TEXTURE_LOD_BIAS 11.0
 158
 159 /** For GL_NV_vertex_program */
 160 /*@{*/
 161 #define MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS 128
 162 #define MAX_NV_VERTEX_PROGRAM_TEMPS         12
 163 #define MAX_NV_VERTEX_PROGRAM_PARAMS        128 /* KW: power of two */
 164 #define MAX_NV_VERTEX_PROGRAM_INPUTS        16
 165 #define MAX_NV_VERTEX_PROGRAM_OUTPUTS       15
 166 /*@}*/
 167
 168 /** For GL_NV_fragment_program */
 169 /*@{*/
 170 #define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 128
 171 #define MAX_NV_FRAGMENT_PROGRAM_TEMPS         96
 172 #define MAX_NV_FRAGMENT_PROGRAM_PARAMS        64
 173 #define MAX_NV_FRAGMENT_PROGRAM_INPUTS        12
 174 #define MAX_NV_FRAGMENT_PROGRAM_OUTPUTS        3
 175 #define MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS    2
 176 /*@}*/
 177
 178 /** For GL_ARB_vertex_program */
 179 /*@{*/
 180 #define MAX_VERTEX_PROGRAM_ADDRESS_REGS 1
 181 #define MAX_VERTEX_PROGRAM_ATTRIBS     16
 182 /*@}*/
 183
 184 /** For GL_ARB_fragment_program */
 185 /*@{*/
 186 #define MAX_FRAGMENT_PROGRAM_ADDRESS_REGS 1
 187 #define MAX_FRAGMENT_PROGRAM_ALU_INSTRUCTIONS 48
 188 #define MAX_FRAGMENT_PROGRAM_TEX_INSTRUCTIONS 24
 189 #define MAX_FRAGMENT_PROGRAM_TEX_INDIRECTIONS  4
 190 /*@}*/
 191
 192 /** For any program target/extension */
 193 /*@{*/
 194 #define MAX_PROGRAM_LOCAL_PARAMS 128 /* KW: power of two */
 195 #define MAX_PROGRAM_MATRICES 8
 196 #define MAX_PROGRAM_MATRIX_STACK_DEPTH 4
 197 /*@}*/
 198
 199 /** For GL_ARB_fragment_shader */
 200 /*@{*/
 201 #define MAX_FRAGMENT_UNIFORM_COMPONENTS 64
 202 /*@}*/
 203
 204 /** For GL_ARB_vertex_shader */
 205 /*@{*/
 206 #define MAX_VERTEX_UNIFORM_COMPONENTS 512
 207 #define MAX_VARYING_FLOATS 32
 208 #define MAX_VERTEX_TEXTURE_IMAGE_UNITS 0
 209 #define MAX_COMBINED_TEXTURE_IMAGE_UNITS (MAX_TEXTURE_IMAGE_UNITS + MAX_VERTEX_TEXTURE_IMAGE_UNITS)
 210 /*@}*/
 211
 212
 213 /** For GL_ARB_draw_buffers */
 214 /*@{*/
 215 #define MAX_DRAW_BUFFERS 1
 216 /*@}*/
 217
 218
 219 /** For GL_EXT_framebuffer_object */
 220 /*@{*/
 221 #define MAX_COLOR_ATTACHMENTS 8
 222 /*@}*/
 223
 224
 225
 226 /**
 227  * \name Mesa-specific parameters
 228  */
 229 /*@{*/
 230
 231
 232 /**
 233  * If non-zero use GLdouble for walking triangle edges, for better accuracy.
 234  */
 235 #define TRIANGLE_WALK_DOUBLE 0
 236
 237 /**
 238  * Bits per accumulation buffer color component:  8, 16 or 32
 239  */
 240 #define ACCUM_BITS 16
 241
 242 /**
 243  * Bits per depth buffer value.
 244  *
 245  * Any reasonable value up to 31 will work.  32 doesn't work because of integer
 246  * overflow problems in the rasterizer code.
 247  */
 248 #ifndef DEFAULT_SOFTWARE_DEPTH_BITS
 249 #define DEFAULT_SOFTWARE_DEPTH_BITS 16
 250 #endif
 251 /** Depth buffer data type */
 252 #if DEFAULT_SOFTWARE_DEPTH_BITS <= 16
 253 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLushort
 254 #else
 255 #define DEFAULT_SOFTWARE_DEPTH_TYPE GLuint
 256 #endif
 257
 258
 259 /**
 260  * Bits per stencil value: 8
 261  */
 262 #define STENCIL_BITS 8
 263
 264
 265 /**
 266  * Bits per color channel:  8, 16 or 32
 267  */
 268 #ifndef CHAN_BITS
 269 #define CHAN_BITS 8
 270 #endif
 271
 272
 273 /*
 274  * Color channel component order
 275  *
 276  * \note Changes will almost certainly cause problems at this time.
 277  */
 278 #define RCOMP 0
 279 #define GCOMP 1
 280 #define BCOMP 2
 281 #define ACOMP 3
 282
 283
 284 /*
 285  * Enable/disable features (blocks of code) by setting FEATURE_xyz to 0 or 1.
 286  */
 287 #ifndef _HAVE_FULL_GL
 288 #define _HAVE_FULL_GL 1
 289 #endif
 290
 291 #define FEATURE_ARB_vertex_buffer_object  _HAVE_FULL_GL
 292 #define FEATURE_ARB_vertex_program  _HAVE_FULL_GL
 293 #define FEATURE_ARB_fragment_program  _HAVE_FULL_GL
 294 #define FEATURE_ARB_occlusion_query  _HAVE_FULL_GL
 295 #define FEATURE_EXT_pixel_buffer_object  _HAVE_FULL_GL
 296 #define FEATURE_MESA_program_debug  _HAVE_FULL_GL
 297 #define FEATURE_NV_fence  _HAVE_FULL_GL
 298 #define FEATURE_NV_fragment_program  _HAVE_FULL_GL
 299 #define FEATURE_NV_vertex_program  _HAVE_FULL_GL
 300 #define FEATURE_userclip  _HAVE_FULL_GL
 301 #define FEATURE_texgen  _HAVE_FULL_GL
 302 #define FEATURE_windowpos  _HAVE_FULL_GL
 303 #define FEATURE_ARB_vertex_shader _HAVE_FULL_GL
 304 #define FEATURE_ARB_fragment_shader _HAVE_FULL_GL
 305 #define FEATURE_ARB_shader_objects (FEATURE_ARB_vertex_shader || FEATURE_ARB_fragment_shader)
 306 #define FEATURE_ARB_shading_language_100 FEATURE_ARB_shader_objects
 307 #define FEATURE_ATI_fragment_shader _HAVE_FULL_GL
 308 #define FEATURE_EXT_framebuffer_object _HAVE_FULL_GL
 309 /*@}*/
 310
 311
 312 /**
 313  * Maximum number of temporary vertices required for clipping.
 314  *
 315  * Used in array_cache and tnl modules.
 316  */
 317 #define MAX_CLIPPED_VERTICES ((2 * (6 + MAX_CLIP_PLANES))+1)
 318
 319
 320 /* XXX everything marked with OLD_RENDERBUFFER will be going away... */
 321 #define OLD_RENDERBUFFER 1
 322
 323
 324 #endif /* CONFIG_H */