Adam Jackson | cb3610e | 2004-10-25 21:09:16 +0000 | [diff] [blame^] | 1 | /* $XFree86: xc/lib/GL/glx/compsize.c,v 1.6 2004/01/28 18:11:38 alanh Exp $ */ |
| 2 | /* |
| 3 | ** License Applicability. Except to the extent portions of this file are |
| 4 | ** made subject to an alternative license as permitted in the SGI Free |
| 5 | ** Software License B, Version 1.1 (the "License"), the contents of this |
| 6 | ** file are subject only to the provisions of the License. You may not use |
| 7 | ** this file except in compliance with the License. You may obtain a copy |
| 8 | ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 |
| 9 | ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: |
| 10 | ** |
| 11 | ** http://oss.sgi.com/projects/FreeB |
| 12 | ** |
| 13 | ** Note that, as provided in the License, the Software is distributed on an |
| 14 | ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS |
| 15 | ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND |
| 16 | ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A |
| 17 | ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. |
| 18 | ** |
| 19 | ** Original Code. The Original Code is: OpenGL Sample Implementation, |
| 20 | ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, |
| 21 | ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. |
| 22 | ** Copyright in any portions created by third parties is as indicated |
| 23 | ** elsewhere herein. All Rights Reserved. |
| 24 | ** |
| 25 | ** Additional Notice Provisions: The application programming interfaces |
| 26 | ** established by SGI in conjunction with the Original Code are The |
| 27 | ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released |
| 28 | ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version |
| 29 | ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X |
| 30 | ** Window System(R) (Version 1.3), released October 19, 1998. This software |
| 31 | ** was created using the OpenGL(R) version 1.2.1 Sample Implementation |
| 32 | ** published by SGI, but has not been independently verified as being |
| 33 | ** compliant with the OpenGL(R) version 1.2.1 Specification. |
| 34 | ** |
| 35 | */ |
| 36 | |
| 37 | #include <GL/gl.h> |
| 38 | #include "glxclient.h" |
| 39 | #include "size.h" |
| 40 | |
| 41 | /* |
| 42 | ** Return the number of elements per group of a specified format |
| 43 | */ |
| 44 | GLint __glElementsPerGroup(GLenum format, GLenum type) |
| 45 | { |
| 46 | /* |
| 47 | ** To make row length computation valid for image extraction, |
| 48 | ** packed pixel types assume elements per group equals one. |
| 49 | */ |
| 50 | switch(type) { |
| 51 | case GL_UNSIGNED_BYTE_3_3_2: |
| 52 | case GL_UNSIGNED_BYTE_2_3_3_REV: |
| 53 | case GL_UNSIGNED_SHORT_5_6_5: |
| 54 | case GL_UNSIGNED_SHORT_5_6_5_REV: |
| 55 | case GL_UNSIGNED_SHORT_4_4_4_4: |
| 56 | case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| 57 | case GL_UNSIGNED_SHORT_5_5_5_1: |
| 58 | case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| 59 | case GL_UNSIGNED_SHORT_8_8_APPLE: |
| 60 | case GL_UNSIGNED_SHORT_8_8_REV_APPLE: |
| 61 | case GL_UNSIGNED_SHORT_15_1_MESA: |
| 62 | case GL_UNSIGNED_SHORT_1_15_REV_MESA: |
| 63 | case GL_UNSIGNED_INT_8_8_8_8: |
| 64 | case GL_UNSIGNED_INT_8_8_8_8_REV: |
| 65 | case GL_UNSIGNED_INT_10_10_10_2: |
| 66 | case GL_UNSIGNED_INT_2_10_10_10_REV: |
| 67 | case GL_UNSIGNED_INT_24_8_NV: |
| 68 | case GL_UNSIGNED_INT_24_8_MESA: |
| 69 | case GL_UNSIGNED_INT_8_24_REV_MESA: |
| 70 | return 1; |
| 71 | default: |
| 72 | break; |
| 73 | } |
| 74 | |
| 75 | switch(format) { |
| 76 | case GL_RGB: |
| 77 | case GL_BGR: |
| 78 | return 3; |
| 79 | case GL_422_EXT: |
| 80 | case GL_422_REV_EXT: |
| 81 | case GL_422_AVERAGE_EXT: |
| 82 | case GL_422_REV_AVERAGE_EXT: |
| 83 | case GL_YCBCR_422_APPLE: |
| 84 | case GL_LUMINANCE_ALPHA: |
| 85 | return 2; |
| 86 | case GL_RGBA: |
| 87 | case GL_BGRA: |
| 88 | case GL_ABGR_EXT: |
| 89 | return 4; |
| 90 | case GL_COLOR_INDEX: |
| 91 | case GL_STENCIL_INDEX: |
| 92 | case GL_DEPTH_COMPONENT: |
| 93 | case GL_RED: |
| 94 | case GL_GREEN: |
| 95 | case GL_BLUE: |
| 96 | case GL_ALPHA: |
| 97 | case GL_LUMINANCE: |
| 98 | case GL_INTENSITY: |
| 99 | return 1; |
| 100 | default: |
| 101 | return 0; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | /* |
| 106 | ** Return the number of bytes per element, based on the element type (other |
| 107 | ** than GL_BITMAP). |
| 108 | */ |
| 109 | GLint __glBytesPerElement(GLenum type) |
| 110 | { |
| 111 | switch(type) { |
| 112 | case GL_UNSIGNED_SHORT: |
| 113 | case GL_SHORT: |
| 114 | case GL_UNSIGNED_SHORT_5_6_5: |
| 115 | case GL_UNSIGNED_SHORT_5_6_5_REV: |
| 116 | case GL_UNSIGNED_SHORT_4_4_4_4: |
| 117 | case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| 118 | case GL_UNSIGNED_SHORT_5_5_5_1: |
| 119 | case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| 120 | case GL_UNSIGNED_SHORT_8_8_APPLE: |
| 121 | case GL_UNSIGNED_SHORT_8_8_REV_APPLE: |
| 122 | case GL_UNSIGNED_SHORT_15_1_MESA: |
| 123 | case GL_UNSIGNED_SHORT_1_15_REV_MESA: |
| 124 | return 2; |
| 125 | case GL_UNSIGNED_BYTE: |
| 126 | case GL_BYTE: |
| 127 | case GL_UNSIGNED_BYTE_3_3_2: |
| 128 | case GL_UNSIGNED_BYTE_2_3_3_REV: |
| 129 | return 1; |
| 130 | case GL_INT: |
| 131 | case GL_UNSIGNED_INT: |
| 132 | case GL_FLOAT: |
| 133 | case GL_UNSIGNED_INT_8_8_8_8: |
| 134 | case GL_UNSIGNED_INT_8_8_8_8_REV: |
| 135 | case GL_UNSIGNED_INT_10_10_10_2: |
| 136 | case GL_UNSIGNED_INT_2_10_10_10_REV: |
| 137 | case GL_UNSIGNED_INT_24_8_NV: |
| 138 | case GL_UNSIGNED_INT_24_8_MESA: |
| 139 | case GL_UNSIGNED_INT_8_24_REV_MESA: |
| 140 | return 4; |
| 141 | default: |
| 142 | return 0; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | ** Compute memory required for internal packed array of data of given type |
| 148 | ** and format. |
| 149 | */ |
| 150 | GLint __glImageSize(GLsizei width, GLsizei height, GLsizei depth, |
| 151 | GLenum format, GLenum type) |
| 152 | { |
| 153 | int bytes_per_row; |
| 154 | int components; |
| 155 | |
| 156 | if (width < 0 || height < 0 || depth < 0) { |
| 157 | return 0; |
| 158 | } |
| 159 | /* |
| 160 | ** Zero is returned if either format or type are invalid. |
| 161 | */ |
| 162 | components = __glElementsPerGroup(format,type); |
| 163 | if (type == GL_BITMAP) { |
| 164 | if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) { |
| 165 | bytes_per_row = (width + 7) >> 3; |
| 166 | } else { |
| 167 | return 0; |
| 168 | } |
| 169 | } else { |
| 170 | bytes_per_row = __glBytesPerElement(type) * width; |
| 171 | } |
| 172 | return bytes_per_row * height * depth * components; |
| 173 | } |
| 174 | |
| 175 | GLint __glFogiv_size(GLenum pname) |
| 176 | { |
| 177 | switch (pname) { |
| 178 | case GL_FOG_COLOR: return 4; |
| 179 | case GL_FOG_DENSITY: return 1; |
| 180 | case GL_FOG_END: return 1; |
| 181 | case GL_FOG_MODE: return 1; |
| 182 | case GL_FOG_INDEX: return 1; |
| 183 | case GL_FOG_START: return 1; |
| 184 | case GL_FOG_DISTANCE_MODE_NV: return 1; |
| 185 | case GL_FOG_OFFSET_VALUE_SGIX: return 1; |
| 186 | default: |
| 187 | return 0; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | GLint __glFogfv_size(GLenum pname) |
| 192 | { |
| 193 | return __glFogiv_size(pname); |
| 194 | } |
| 195 | |
| 196 | GLint __glCallLists_size(GLsizei n, GLenum type) |
| 197 | { |
| 198 | GLint size; |
| 199 | |
| 200 | if (n < 0) return 0; |
| 201 | switch (type) { |
| 202 | case GL_BYTE: size = 1; break; |
| 203 | case GL_UNSIGNED_BYTE: size = 1; break; |
| 204 | case GL_SHORT: size = 2; break; |
| 205 | case GL_UNSIGNED_SHORT: size = 2; break; |
| 206 | case GL_INT: size = 4; break; |
| 207 | case GL_UNSIGNED_INT: size = 4; break; |
| 208 | case GL_FLOAT: size = 4; break; |
| 209 | case GL_2_BYTES: size = 2; break; |
| 210 | case GL_3_BYTES: size = 3; break; |
| 211 | case GL_4_BYTES: size = 4; break; |
| 212 | default: |
| 213 | return 0; |
| 214 | } |
| 215 | return n * size; |
| 216 | } |
| 217 | |
| 218 | GLint __glDrawPixels_size(GLenum format, GLenum type, GLsizei w, GLsizei h) |
| 219 | { |
| 220 | return __glImageSize( w, h, 1, format, type ); |
| 221 | } |
| 222 | |
| 223 | GLint __glBitmap_size(GLsizei w, GLsizei h) |
| 224 | { |
| 225 | return __glDrawPixels_size(GL_COLOR_INDEX, GL_BITMAP, w, h); |
| 226 | } |
| 227 | |
| 228 | GLint __glTexGendv_size(GLenum e) |
| 229 | { |
| 230 | switch (e) { |
| 231 | case GL_TEXTURE_GEN_MODE: |
| 232 | return 1; |
| 233 | case GL_OBJECT_PLANE: |
| 234 | case GL_EYE_PLANE: |
| 235 | return 4; |
| 236 | default: |
| 237 | return 0; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | GLint __glTexGenfv_size(GLenum e) |
| 242 | { |
| 243 | return __glTexGendv_size(e); |
| 244 | } |
| 245 | |
| 246 | GLint __glTexGeniv_size(GLenum e) |
| 247 | { |
| 248 | return __glTexGendv_size(e); |
| 249 | } |
| 250 | |
| 251 | GLint __glTexParameterfv_size(GLenum e) |
| 252 | { |
| 253 | switch (e) { |
| 254 | case GL_TEXTURE_WRAP_S: |
| 255 | case GL_TEXTURE_WRAP_T: |
| 256 | case GL_TEXTURE_WRAP_R: |
| 257 | case GL_TEXTURE_MIN_FILTER: |
| 258 | case GL_TEXTURE_MAG_FILTER: |
| 259 | case GL_TEXTURE_PRIORITY: |
| 260 | case GL_TEXTURE_RESIDENT: |
| 261 | |
| 262 | /* GL_SGIS_texture_lod / GL_EXT_texture_lod / GL 1.2 */ |
| 263 | case GL_TEXTURE_MIN_LOD: |
| 264 | case GL_TEXTURE_MAX_LOD: |
| 265 | case GL_TEXTURE_BASE_LEVEL: |
| 266 | case GL_TEXTURE_MAX_LEVEL: |
| 267 | |
| 268 | /* GL_SGIX_texture_lod_bias */ |
| 269 | case GL_TEXTURE_LOD_BIAS_S_SGIX: |
| 270 | case GL_TEXTURE_LOD_BIAS_T_SGIX: |
| 271 | case GL_TEXTURE_LOD_BIAS_R_SGIX: |
| 272 | |
| 273 | /* GL_ARB_shadow / GL 1.4 */ |
| 274 | case GL_TEXTURE_COMPARE_MODE: |
| 275 | case GL_TEXTURE_COMPARE_FUNC: |
| 276 | |
| 277 | /* GL_SGIS_generate_mipmap / GL 1.4 */ |
| 278 | case GL_GENERATE_MIPMAP: |
| 279 | |
| 280 | /* GL_ARB_depth_texture / GL 1.4 */ |
| 281 | case GL_DEPTH_TEXTURE_MODE: |
| 282 | |
| 283 | /* GL_EXT_texture_lod_bias / GL 1.4 */ |
| 284 | case GL_TEXTURE_LOD_BIAS: |
| 285 | |
| 286 | /* GL_SGIX_shadow_ambient / GL_ARB_shadow_ambient */ |
| 287 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 288 | |
| 289 | /* GL_SGIX_shadow */ |
| 290 | case GL_TEXTURE_COMPARE_SGIX: |
| 291 | case GL_TEXTURE_COMPARE_OPERATOR_SGIX: |
| 292 | |
| 293 | /* GL_SGIX_texture_coordinate_clamp */ |
| 294 | case GL_TEXTURE_MAX_CLAMP_S_SGIX: |
| 295 | case GL_TEXTURE_MAX_CLAMP_T_SGIX: |
| 296 | case GL_TEXTURE_MAX_CLAMP_R_SGIX: |
| 297 | |
| 298 | /* GL_EXT_texture_filter_anisotropic */ |
| 299 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 300 | |
| 301 | /* GL_NV_texture_expand_normal */ |
| 302 | case GL_TEXTURE_UNSIGNED_REMAP_MODE_NV: |
| 303 | return 1; |
| 304 | |
| 305 | /* GL_SGIX_clipmap */ |
| 306 | case GL_TEXTURE_CLIPMAP_CENTER_SGIX: |
| 307 | case GL_TEXTURE_CLIPMAP_OFFSET_SGIX: |
| 308 | return 2; |
| 309 | |
| 310 | /* GL_SGIX_clipmap */ |
| 311 | case GL_TEXTURE_CLIPMAP_VIRTUAL_DEPTH_SGIX: |
| 312 | return 3; |
| 313 | |
| 314 | case GL_TEXTURE_BORDER_COLOR: |
| 315 | |
| 316 | /* GL_SGIX_texture_scale_bias */ |
| 317 | case GL_POST_TEXTURE_FILTER_BIAS_SGIX: |
| 318 | case GL_POST_TEXTURE_FILTER_SCALE_SGIX: |
| 319 | return 4; |
| 320 | |
| 321 | default: |
| 322 | return 0; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | GLint __glTexParameteriv_size(GLenum e) |
| 327 | { |
| 328 | return __glTexParameterfv_size(e); |
| 329 | } |
| 330 | |
| 331 | GLint __glTexEnvfv_size(GLenum e) |
| 332 | { |
| 333 | switch (e) { |
| 334 | case GL_TEXTURE_ENV_MODE: |
| 335 | |
| 336 | /* GL_ARB_texture_env_combine / GL_EXT_texture_env_combine / GL 1.3 */ |
| 337 | case GL_COMBINE_RGB: |
| 338 | case GL_COMBINE_ALPHA: |
| 339 | case GL_SOURCE0_RGB: |
| 340 | case GL_SOURCE1_RGB: |
| 341 | case GL_SOURCE2_RGB: |
| 342 | case GL_SOURCE0_ALPHA: |
| 343 | case GL_SOURCE1_ALPHA: |
| 344 | case GL_SOURCE2_ALPHA: |
| 345 | case GL_OPERAND0_RGB: |
| 346 | case GL_OPERAND1_RGB: |
| 347 | case GL_OPERAND0_ALPHA: |
| 348 | case GL_OPERAND1_ALPHA: |
| 349 | case GL_OPERAND2_RGB: |
| 350 | case GL_OPERAND2_ALPHA: |
| 351 | case GL_RGB_SCALE: |
| 352 | case GL_ALPHA_SCALE: |
| 353 | |
| 354 | /* GL_EXT_texture_lod_bias / GL 1.4 */ |
| 355 | case GL_TEXTURE_LOD_BIAS: |
| 356 | |
| 357 | /* GL_ARB_point_sprite / GL_NV_point_sprite */ |
| 358 | case GL_COORD_REPLACE_ARB: |
| 359 | |
| 360 | /* GL_NV_texture_env_combine4 */ |
| 361 | case GL_SOURCE3_RGB_NV: |
| 362 | case GL_SOURCE3_ALPHA_NV: |
| 363 | case GL_OPERAND3_RGB_NV: |
| 364 | case GL_OPERAND3_ALPHA_NV: |
| 365 | return 1; |
| 366 | |
| 367 | case GL_TEXTURE_ENV_COLOR: |
| 368 | return 4; |
| 369 | |
| 370 | default: |
| 371 | return 0; |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | GLint __glTexEnviv_size(GLenum e) |
| 376 | { |
| 377 | return __glTexEnvfv_size(e); |
| 378 | } |
| 379 | |
| 380 | GLint __glTexImage1D_size(GLenum format, GLenum type, GLsizei w) |
| 381 | { |
| 382 | return __glImageSize( w, 1, 1, format, type ); |
| 383 | } |
| 384 | |
| 385 | GLint __glTexImage2D_size(GLenum format, GLenum type, GLsizei w, GLsizei h) |
| 386 | { |
| 387 | return __glImageSize( w, h, 1, format, type ); |
| 388 | } |
| 389 | |
| 390 | GLint __glTexImage3D_size(GLenum format, GLenum type, GLsizei w, GLsizei h, |
| 391 | GLsizei d) |
| 392 | { |
| 393 | return __glImageSize( w, h, d, format, type ); |
| 394 | } |
| 395 | |
| 396 | GLint __glLightfv_size(GLenum pname) |
| 397 | { |
| 398 | switch (pname) { |
| 399 | case GL_SPOT_EXPONENT: return 1; |
| 400 | case GL_SPOT_CUTOFF: return 1; |
| 401 | case GL_AMBIENT: return 4; |
| 402 | case GL_DIFFUSE: return 4; |
| 403 | case GL_SPECULAR: return 4; |
| 404 | case GL_POSITION: return 4; |
| 405 | case GL_SPOT_DIRECTION: return 3; |
| 406 | case GL_CONSTANT_ATTENUATION: return 1; |
| 407 | case GL_LINEAR_ATTENUATION: return 1; |
| 408 | case GL_QUADRATIC_ATTENUATION: return 1; |
| 409 | default: |
| 410 | return 0; |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | GLint __glLightiv_size(GLenum pname) |
| 415 | { |
| 416 | return __glLightfv_size(pname); |
| 417 | } |
| 418 | |
| 419 | GLint __glLightModelfv_size(GLenum pname) |
| 420 | { |
| 421 | switch (pname) { |
| 422 | case GL_LIGHT_MODEL_AMBIENT: return 4; |
| 423 | case GL_LIGHT_MODEL_LOCAL_VIEWER: return 1; |
| 424 | case GL_LIGHT_MODEL_TWO_SIDE: return 1; |
| 425 | case GL_LIGHT_MODEL_COLOR_CONTROL: return 1; |
| 426 | default: |
| 427 | return 0; |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | GLint __glLightModeliv_size(GLenum pname) |
| 432 | { |
| 433 | return __glLightModelfv_size(pname); |
| 434 | } |
| 435 | |
| 436 | GLint __glMaterialfv_size(GLenum pname) |
| 437 | { |
| 438 | switch (pname) { |
| 439 | case GL_SHININESS: return 1; |
| 440 | case GL_EMISSION: return 4; |
| 441 | case GL_AMBIENT: return 4; |
| 442 | case GL_DIFFUSE: return 4; |
| 443 | case GL_SPECULAR: return 4; |
| 444 | case GL_AMBIENT_AND_DIFFUSE: return 4; |
| 445 | case GL_COLOR_INDEXES: return 3; |
| 446 | default: |
| 447 | return 0; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | GLint __glMaterialiv_size(GLenum pname) |
| 452 | { |
| 453 | return __glMaterialfv_size(pname); |
| 454 | } |
| 455 | |
| 456 | GLint __glColorTableParameterfv_size(GLenum pname) |
| 457 | { |
| 458 | switch (pname) { |
| 459 | case GL_COLOR_TABLE_FORMAT: |
| 460 | case GL_COLOR_TABLE_WIDTH: |
| 461 | case GL_COLOR_TABLE_RED_SIZE: |
| 462 | case GL_COLOR_TABLE_GREEN_SIZE: |
| 463 | case GL_COLOR_TABLE_BLUE_SIZE: |
| 464 | case GL_COLOR_TABLE_ALPHA_SIZE: |
| 465 | case GL_COLOR_TABLE_LUMINANCE_SIZE: |
| 466 | case GL_COLOR_TABLE_INTENSITY_SIZE: |
| 467 | return 1; |
| 468 | case GL_COLOR_TABLE_SCALE: |
| 469 | case GL_COLOR_TABLE_BIAS: |
| 470 | return 4; |
| 471 | default: |
| 472 | return -1; |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | GLint __glColorTableParameteriv_size(GLenum pname) |
| 477 | { |
| 478 | return __glColorTableParameterfv_size(pname); |
| 479 | } |
| 480 | |
| 481 | GLint __glConvolutionParameterfv_size(GLenum pname) |
| 482 | { |
| 483 | switch(pname) { |
| 484 | case GL_CONVOLUTION_BORDER_MODE: |
| 485 | return 1; |
| 486 | case GL_CONVOLUTION_BORDER_COLOR: |
| 487 | case GL_CONVOLUTION_FILTER_SCALE: |
| 488 | case GL_CONVOLUTION_FILTER_BIAS: |
| 489 | return 4; |
| 490 | default: /* error: bad enum value */ |
| 491 | return -1; |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | GLint __glConvolutionParameteriv_size(GLenum pname) |
| 496 | { |
| 497 | return __glConvolutionParameterfv_size(pname); |
| 498 | } |
| 499 | |
| 500 | GLint __glPointParameterfvARB_size(GLenum e) |
| 501 | { |
| 502 | switch (e) { |
| 503 | case GL_POINT_SIZE_MIN: |
| 504 | case GL_POINT_SIZE_MAX: |
| 505 | case GL_POINT_FADE_THRESHOLD_SIZE: |
| 506 | |
| 507 | /* GL_NV_point_sprite */ |
| 508 | case GL_POINT_SPRITE_R_MODE_NV: |
| 509 | return 1; |
| 510 | |
| 511 | case GL_POINT_DISTANCE_ATTENUATION: |
| 512 | return 3; |
| 513 | |
| 514 | default: |
| 515 | return -1; |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | GLint __glPointParameteriv_size(GLenum e) |
| 520 | { |
| 521 | return __glPointParameterfvARB_size(e); |
| 522 | } |