Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Mesa 3-D graphics library |
Brian Paul | d56928f | 2004-10-31 17:04:07 +0000 | [diff] [blame] | 3 | * Version: 6.3 |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 4 | * |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 5 | * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation |
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
| 12 | * Software is furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included |
| 15 | * in all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 26 | #include "glheader.h" |
Brian Paul | d56928f | 2004-10-31 17:04:07 +0000 | [diff] [blame] | 27 | #include "bufferobj.h" |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 28 | #include "colormac.h" |
| 29 | #include "context.h" |
| 30 | #include "image.h" |
| 31 | #include "histogram.h" |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 32 | #include "glapi/dispatch.h" |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 33 | |
| 34 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 35 | #if FEATURE_histogram |
| 36 | |
Brian Paul | a46bd6f | 2003-03-25 02:26:28 +0000 | [diff] [blame] | 37 | |
Brian Paul | 90f042a | 2000-12-10 19:23:19 +0000 | [diff] [blame] | 38 | /* |
Brian Paul | a2003c2 | 2000-12-13 23:13:45 +0000 | [diff] [blame] | 39 | * XXX the packed pixel formats haven't been tested. |
Brian Paul | 90f042a | 2000-12-10 19:23:19 +0000 | [diff] [blame] | 40 | */ |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 41 | static void |
| 42 | pack_histogram( GLcontext *ctx, |
| 43 | GLuint n, CONST GLuint rgba[][4], |
| 44 | GLenum format, GLenum type, GLvoid *destination, |
| 45 | const struct gl_pixelstore_attrib *packing ) |
| 46 | { |
| 47 | const GLint comps = _mesa_components_in_format(format); |
| 48 | GLuint luminance[MAX_WIDTH]; |
| 49 | |
| 50 | if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { |
| 51 | GLuint i; |
| 52 | for (i = 0; i < n; i++) { |
| 53 | luminance[i] = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | #define PACK_MACRO(TYPE) \ |
| 58 | { \ |
| 59 | GLuint i; \ |
| 60 | switch (format) { \ |
| 61 | case GL_RED: \ |
| 62 | for (i=0;i<n;i++) \ |
| 63 | dst[i] = (TYPE) rgba[i][RCOMP]; \ |
| 64 | break; \ |
| 65 | case GL_GREEN: \ |
| 66 | for (i=0;i<n;i++) \ |
| 67 | dst[i] = (TYPE) rgba[i][GCOMP]; \ |
| 68 | break; \ |
| 69 | case GL_BLUE: \ |
| 70 | for (i=0;i<n;i++) \ |
| 71 | dst[i] = (TYPE) rgba[i][BCOMP]; \ |
| 72 | break; \ |
| 73 | case GL_ALPHA: \ |
| 74 | for (i=0;i<n;i++) \ |
| 75 | dst[i] = (TYPE) rgba[i][ACOMP]; \ |
| 76 | break; \ |
| 77 | case GL_LUMINANCE: \ |
| 78 | for (i=0;i<n;i++) \ |
| 79 | dst[i] = (TYPE) luminance[i]; \ |
| 80 | break; \ |
| 81 | case GL_LUMINANCE_ALPHA: \ |
| 82 | for (i=0;i<n;i++) { \ |
| 83 | dst[i*2+0] = (TYPE) luminance[i]; \ |
| 84 | dst[i*2+1] = (TYPE) rgba[i][ACOMP]; \ |
| 85 | } \ |
| 86 | break; \ |
| 87 | case GL_RGB: \ |
| 88 | for (i=0;i<n;i++) { \ |
| 89 | dst[i*3+0] = (TYPE) rgba[i][RCOMP]; \ |
| 90 | dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \ |
| 91 | dst[i*3+2] = (TYPE) rgba[i][BCOMP]; \ |
| 92 | } \ |
| 93 | break; \ |
| 94 | case GL_RGBA: \ |
| 95 | for (i=0;i<n;i++) { \ |
| 96 | dst[i*4+0] = (TYPE) rgba[i][RCOMP]; \ |
| 97 | dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \ |
| 98 | dst[i*4+2] = (TYPE) rgba[i][BCOMP]; \ |
| 99 | dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \ |
| 100 | } \ |
| 101 | break; \ |
| 102 | case GL_BGR: \ |
| 103 | for (i=0;i<n;i++) { \ |
| 104 | dst[i*3+0] = (TYPE) rgba[i][BCOMP]; \ |
| 105 | dst[i*3+1] = (TYPE) rgba[i][GCOMP]; \ |
| 106 | dst[i*3+2] = (TYPE) rgba[i][RCOMP]; \ |
| 107 | } \ |
| 108 | break; \ |
| 109 | case GL_BGRA: \ |
| 110 | for (i=0;i<n;i++) { \ |
| 111 | dst[i*4+0] = (TYPE) rgba[i][BCOMP]; \ |
| 112 | dst[i*4+1] = (TYPE) rgba[i][GCOMP]; \ |
| 113 | dst[i*4+2] = (TYPE) rgba[i][RCOMP]; \ |
| 114 | dst[i*4+3] = (TYPE) rgba[i][ACOMP]; \ |
| 115 | } \ |
| 116 | break; \ |
| 117 | case GL_ABGR_EXT: \ |
| 118 | for (i=0;i<n;i++) { \ |
| 119 | dst[i*4+0] = (TYPE) rgba[i][ACOMP]; \ |
| 120 | dst[i*4+1] = (TYPE) rgba[i][BCOMP]; \ |
| 121 | dst[i*4+2] = (TYPE) rgba[i][GCOMP]; \ |
| 122 | dst[i*4+3] = (TYPE) rgba[i][RCOMP]; \ |
| 123 | } \ |
| 124 | break; \ |
| 125 | default: \ |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 126 | _mesa_problem(ctx, "bad format in pack_histogram"); \ |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 127 | } \ |
| 128 | } |
| 129 | |
| 130 | switch (type) { |
| 131 | case GL_UNSIGNED_BYTE: |
| 132 | { |
| 133 | GLubyte *dst = (GLubyte *) destination; |
| 134 | PACK_MACRO(GLubyte); |
| 135 | } |
| 136 | break; |
| 137 | case GL_BYTE: |
| 138 | { |
| 139 | GLbyte *dst = (GLbyte *) destination; |
| 140 | PACK_MACRO(GLbyte); |
| 141 | } |
| 142 | break; |
| 143 | case GL_UNSIGNED_SHORT: |
| 144 | { |
| 145 | GLushort *dst = (GLushort *) destination; |
| 146 | PACK_MACRO(GLushort); |
| 147 | if (packing->SwapBytes) { |
| 148 | _mesa_swap2(dst, n * comps); |
| 149 | } |
| 150 | } |
| 151 | break; |
| 152 | case GL_SHORT: |
| 153 | { |
| 154 | GLshort *dst = (GLshort *) destination; |
| 155 | PACK_MACRO(GLshort); |
| 156 | if (packing->SwapBytes) { |
| 157 | _mesa_swap2((GLushort *) dst, n * comps); |
| 158 | } |
| 159 | } |
| 160 | break; |
| 161 | case GL_UNSIGNED_INT: |
| 162 | { |
| 163 | GLuint *dst = (GLuint *) destination; |
| 164 | PACK_MACRO(GLuint); |
| 165 | if (packing->SwapBytes) { |
| 166 | _mesa_swap4(dst, n * comps); |
| 167 | } |
| 168 | } |
| 169 | break; |
| 170 | case GL_INT: |
| 171 | { |
| 172 | GLint *dst = (GLint *) destination; |
| 173 | PACK_MACRO(GLint); |
| 174 | if (packing->SwapBytes) { |
| 175 | _mesa_swap4((GLuint *) dst, n * comps); |
| 176 | } |
| 177 | } |
| 178 | break; |
| 179 | case GL_FLOAT: |
| 180 | { |
| 181 | GLfloat *dst = (GLfloat *) destination; |
| 182 | PACK_MACRO(GLfloat); |
| 183 | if (packing->SwapBytes) { |
| 184 | _mesa_swap4((GLuint *) dst, n * comps); |
| 185 | } |
| 186 | } |
| 187 | break; |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 188 | case GL_HALF_FLOAT_ARB: |
| 189 | { |
| 190 | /* temporarily store as GLuints */ |
| 191 | GLuint temp[4*HISTOGRAM_TABLE_SIZE]; |
Brian Paul | bc4ad7c | 2009-11-04 17:42:30 -0700 | [diff] [blame] | 192 | GLuint *dst = temp; |
Brian Paul | 7c62390 | 2009-11-04 17:58:43 -0700 | [diff] [blame] | 193 | GLhalfARB *half = (GLhalfARB *) destination; |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 194 | GLuint i; |
| 195 | /* get GLuint values */ |
| 196 | PACK_MACRO(GLuint); |
| 197 | /* convert to GLhalf */ |
| 198 | for (i = 0; i < n * comps; i++) { |
Brian Paul | bc4ad7c | 2009-11-04 17:42:30 -0700 | [diff] [blame] | 199 | half[i] = _mesa_float_to_half((GLfloat) temp[i]); |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 200 | } |
| 201 | if (packing->SwapBytes) { |
Brian Paul | bc4ad7c | 2009-11-04 17:42:30 -0700 | [diff] [blame] | 202 | _mesa_swap2((GLushort *) half, n * comps); |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 203 | } |
| 204 | } |
| 205 | break; |
Brian Paul | a2003c2 | 2000-12-13 23:13:45 +0000 | [diff] [blame] | 206 | case GL_UNSIGNED_BYTE_3_3_2: |
| 207 | if (format == GL_RGB) { |
| 208 | GLubyte *dst = (GLubyte *) destination; |
| 209 | GLuint i; |
| 210 | for (i = 0; i < n; i++) { |
| 211 | dst[i] = ((rgba[i][RCOMP] & 0x7) << 5) |
| 212 | | ((rgba[i][GCOMP] & 0x7) << 2) |
| 213 | | ((rgba[i][BCOMP] & 0x3) ); |
| 214 | } |
| 215 | } |
| 216 | else { |
| 217 | GLubyte *dst = (GLubyte *) destination; |
| 218 | GLuint i; |
| 219 | ASSERT(format == GL_BGR); |
| 220 | for (i = 0; i < n; i++) { |
| 221 | dst[i] = ((rgba[i][BCOMP] & 0x7) << 5) |
| 222 | | ((rgba[i][GCOMP] & 0x7) << 2) |
| 223 | | ((rgba[i][RCOMP] & 0x3) ); |
| 224 | } |
| 225 | } |
| 226 | break; |
| 227 | case GL_UNSIGNED_BYTE_2_3_3_REV: |
| 228 | if (format == GL_RGB) { |
| 229 | GLubyte *dst = (GLubyte *) destination; |
| 230 | GLuint i; |
| 231 | for (i = 0; i < n; i++) { |
| 232 | dst[i] = ((rgba[i][RCOMP] & 0x3) << 6) |
| 233 | | ((rgba[i][GCOMP] & 0x7) << 3) |
| 234 | | ((rgba[i][BCOMP] & 0x7) ); |
| 235 | } |
| 236 | } |
| 237 | else { |
| 238 | GLubyte *dst = (GLubyte *) destination; |
| 239 | GLuint i; |
| 240 | ASSERT(format == GL_BGR); |
| 241 | for (i = 0; i < n; i++) { |
| 242 | dst[i] = ((rgba[i][BCOMP] & 0x3) << 6) |
| 243 | | ((rgba[i][GCOMP] & 0x7) << 3) |
| 244 | | ((rgba[i][RCOMP] & 0x7) ); |
| 245 | } |
| 246 | } |
| 247 | break; |
| 248 | case GL_UNSIGNED_SHORT_5_6_5: |
| 249 | if (format == GL_RGB) { |
| 250 | GLushort *dst = (GLushort *) destination; |
| 251 | GLuint i; |
| 252 | for (i = 0; i < n; i++) { |
| 253 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
| 254 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
| 255 | | ((rgba[i][BCOMP] & 0x1f) ); |
| 256 | } |
| 257 | } |
| 258 | else { |
| 259 | GLushort *dst = (GLushort *) destination; |
| 260 | GLuint i; |
| 261 | ASSERT(format == GL_BGR); |
| 262 | for (i = 0; i < n; i++) { |
| 263 | dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) |
| 264 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
| 265 | | ((rgba[i][RCOMP] & 0x1f) ); |
| 266 | } |
| 267 | } |
| 268 | break; |
| 269 | case GL_UNSIGNED_SHORT_5_6_5_REV: |
| 270 | if (format == GL_RGB) { |
| 271 | GLushort *dst = (GLushort *) destination; |
| 272 | GLuint i; |
| 273 | for (i = 0; i < n; i++) { |
| 274 | dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) |
| 275 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
| 276 | | ((rgba[i][RCOMP] & 0x1f) ); |
| 277 | } |
| 278 | } |
| 279 | else { |
| 280 | GLushort *dst = (GLushort *) destination; |
| 281 | GLuint i; |
| 282 | ASSERT(format == GL_BGR); |
| 283 | for (i = 0; i < n; i++) { |
| 284 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
| 285 | | ((rgba[i][GCOMP] & 0x3f) << 5) |
| 286 | | ((rgba[i][BCOMP] & 0x1f) ); |
| 287 | } |
| 288 | } |
| 289 | break; |
| 290 | case GL_UNSIGNED_SHORT_4_4_4_4: |
| 291 | if (format == GL_RGBA) { |
| 292 | GLushort *dst = (GLushort *) destination; |
| 293 | GLuint i; |
| 294 | for (i = 0; i < n; i++) { |
| 295 | dst[i] = ((rgba[i][RCOMP] & 0xf) << 12) |
| 296 | | ((rgba[i][GCOMP] & 0xf) << 8) |
| 297 | | ((rgba[i][BCOMP] & 0xf) << 4) |
| 298 | | ((rgba[i][ACOMP] & 0xf) ); |
| 299 | } |
| 300 | } |
| 301 | else if (format == GL_BGRA) { |
| 302 | GLushort *dst = (GLushort *) destination; |
| 303 | GLuint i; |
| 304 | for (i = 0; i < n; i++) { |
| 305 | dst[i] = ((rgba[i][BCOMP] & 0xf) << 12) |
| 306 | | ((rgba[i][GCOMP] & 0xf) << 8) |
| 307 | | ((rgba[i][RCOMP] & 0xf) << 4) |
| 308 | | ((rgba[i][ACOMP] & 0xf) ); |
| 309 | } |
| 310 | } |
| 311 | else { |
| 312 | GLushort *dst = (GLushort *) destination; |
| 313 | GLuint i; |
| 314 | ASSERT(format == GL_ABGR_EXT); |
| 315 | for (i = 0; i < n; i++) { |
| 316 | dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) |
| 317 | | ((rgba[i][BCOMP] & 0xf) << 8) |
| 318 | | ((rgba[i][GCOMP] & 0xf) << 4) |
| 319 | | ((rgba[i][RCOMP] & 0xf) ); |
| 320 | } |
| 321 | } |
| 322 | break; |
| 323 | case GL_UNSIGNED_SHORT_4_4_4_4_REV: |
| 324 | if (format == GL_RGBA) { |
| 325 | GLushort *dst = (GLushort *) destination; |
| 326 | GLuint i; |
| 327 | for (i = 0; i < n; i++) { |
| 328 | dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) |
| 329 | | ((rgba[i][BCOMP] & 0xf) << 8) |
| 330 | | ((rgba[i][GCOMP] & 0xf) << 4) |
| 331 | | ((rgba[i][RCOMP] & 0xf) ); |
| 332 | } |
| 333 | } |
| 334 | else if (format == GL_BGRA) { |
| 335 | GLushort *dst = (GLushort *) destination; |
| 336 | GLuint i; |
| 337 | for (i = 0; i < n; i++) { |
| 338 | dst[i] = ((rgba[i][ACOMP] & 0xf) << 12) |
| 339 | | ((rgba[i][RCOMP] & 0xf) << 8) |
| 340 | | ((rgba[i][GCOMP] & 0xf) << 4) |
| 341 | | ((rgba[i][BCOMP] & 0xf) ); |
| 342 | } |
| 343 | } |
| 344 | else { |
| 345 | GLushort *dst = (GLushort *) destination; |
| 346 | GLuint i; |
| 347 | ASSERT(format == GL_ABGR_EXT); |
| 348 | for (i = 0; i < n; i++) { |
| 349 | dst[i] = ((rgba[i][RCOMP] & 0xf) << 12) |
| 350 | | ((rgba[i][GCOMP] & 0xf) << 8) |
| 351 | | ((rgba[i][BCOMP] & 0xf) << 4) |
| 352 | | ((rgba[i][ACOMP] & 0xf) ); |
| 353 | } |
| 354 | } |
| 355 | break; |
| 356 | case GL_UNSIGNED_SHORT_5_5_5_1: |
| 357 | if (format == GL_RGBA) { |
| 358 | GLushort *dst = (GLushort *) destination; |
| 359 | GLuint i; |
| 360 | for (i = 0; i < n; i++) { |
| 361 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
| 362 | | ((rgba[i][GCOMP] & 0x1f) << 6) |
| 363 | | ((rgba[i][BCOMP] & 0x1f) << 1) |
| 364 | | ((rgba[i][ACOMP] & 0x1) ); |
| 365 | } |
| 366 | } |
| 367 | else if (format == GL_BGRA) { |
| 368 | GLushort *dst = (GLushort *) destination; |
| 369 | GLuint i; |
| 370 | for (i = 0; i < n; i++) { |
| 371 | dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11) |
| 372 | | ((rgba[i][GCOMP] & 0x1f) << 6) |
| 373 | | ((rgba[i][RCOMP] & 0x1f) << 1) |
| 374 | | ((rgba[i][ACOMP] & 0x1) ); |
| 375 | } |
| 376 | } |
| 377 | else { |
| 378 | GLushort *dst = (GLushort *) destination; |
| 379 | GLuint i; |
| 380 | ASSERT(format == GL_ABGR_EXT); |
| 381 | for (i = 0; i < n; i++) { |
| 382 | dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) |
| 383 | | ((rgba[i][BCOMP] & 0x1f) << 6) |
| 384 | | ((rgba[i][GCOMP] & 0x1f) << 1) |
| 385 | | ((rgba[i][RCOMP] & 0x1) ); |
| 386 | } |
| 387 | } |
| 388 | break; |
| 389 | case GL_UNSIGNED_SHORT_1_5_5_5_REV: |
| 390 | if (format == GL_RGBA) { |
| 391 | GLushort *dst = (GLushort *) destination; |
| 392 | GLuint i; |
| 393 | for (i = 0; i < n; i++) { |
| 394 | dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) |
| 395 | | ((rgba[i][BCOMP] & 0x1f) << 6) |
| 396 | | ((rgba[i][GCOMP] & 0x1f) << 1) |
| 397 | | ((rgba[i][RCOMP] & 0x1) ); |
| 398 | } |
| 399 | } |
| 400 | else if (format == GL_BGRA) { |
| 401 | GLushort *dst = (GLushort *) destination; |
| 402 | GLuint i; |
| 403 | for (i = 0; i < n; i++) { |
| 404 | dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11) |
| 405 | | ((rgba[i][RCOMP] & 0x1f) << 6) |
| 406 | | ((rgba[i][GCOMP] & 0x1f) << 1) |
| 407 | | ((rgba[i][BCOMP] & 0x1) ); |
| 408 | } |
| 409 | } |
| 410 | else { |
| 411 | GLushort *dst = (GLushort *) destination; |
| 412 | GLuint i; |
| 413 | ASSERT(format == GL_ABGR_EXT); |
| 414 | for (i = 0; i < n; i++) { |
| 415 | dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11) |
| 416 | | ((rgba[i][GCOMP] & 0x1f) << 6) |
| 417 | | ((rgba[i][BCOMP] & 0x1f) << 1) |
| 418 | | ((rgba[i][ACOMP] & 0x1) ); |
| 419 | } |
| 420 | } |
| 421 | break; |
| 422 | case GL_UNSIGNED_INT_8_8_8_8: |
| 423 | if (format == GL_RGBA) { |
| 424 | GLuint *dst = (GLuint *) destination; |
| 425 | GLuint i; |
| 426 | for (i = 0; i < n; i++) { |
| 427 | dst[i] = ((rgba[i][RCOMP] & 0xff) << 24) |
| 428 | | ((rgba[i][GCOMP] & 0xff) << 16) |
| 429 | | ((rgba[i][BCOMP] & 0xff) << 8) |
| 430 | | ((rgba[i][ACOMP] & 0xff) ); |
| 431 | } |
| 432 | } |
| 433 | else if (format == GL_BGRA) { |
| 434 | GLuint *dst = (GLuint *) destination; |
| 435 | GLuint i; |
| 436 | for (i = 0; i < n; i++) { |
| 437 | dst[i] = ((rgba[i][BCOMP] & 0xff) << 24) |
| 438 | | ((rgba[i][GCOMP] & 0xff) << 16) |
| 439 | | ((rgba[i][RCOMP] & 0xff) << 8) |
| 440 | | ((rgba[i][ACOMP] & 0xff) ); |
| 441 | } |
| 442 | } |
| 443 | else { |
| 444 | GLuint *dst = (GLuint *) destination; |
| 445 | GLuint i; |
| 446 | ASSERT(format == GL_ABGR_EXT); |
| 447 | for (i = 0; i < n; i++) { |
| 448 | dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) |
| 449 | | ((rgba[i][BCOMP] & 0xff) << 16) |
| 450 | | ((rgba[i][GCOMP] & 0xff) << 8) |
| 451 | | ((rgba[i][RCOMP] & 0xff) ); |
| 452 | } |
| 453 | } |
| 454 | break; |
| 455 | case GL_UNSIGNED_INT_8_8_8_8_REV: |
| 456 | if (format == GL_RGBA) { |
| 457 | GLuint *dst = (GLuint *) destination; |
| 458 | GLuint i; |
| 459 | for (i = 0; i < n; i++) { |
| 460 | dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) |
| 461 | | ((rgba[i][BCOMP] & 0xff) << 16) |
| 462 | | ((rgba[i][GCOMP] & 0xff) << 8) |
| 463 | | ((rgba[i][RCOMP] & 0xff) ); |
| 464 | } |
| 465 | } |
| 466 | else if (format == GL_BGRA) { |
| 467 | GLuint *dst = (GLuint *) destination; |
| 468 | GLuint i; |
| 469 | for (i = 0; i < n; i++) { |
| 470 | dst[i] = ((rgba[i][ACOMP] & 0xff) << 24) |
| 471 | | ((rgba[i][RCOMP] & 0xff) << 16) |
| 472 | | ((rgba[i][GCOMP] & 0xff) << 8) |
| 473 | | ((rgba[i][BCOMP] & 0xff) ); |
| 474 | } |
| 475 | } |
| 476 | else { |
| 477 | GLuint *dst = (GLuint *) destination; |
| 478 | GLuint i; |
| 479 | ASSERT(format == GL_ABGR_EXT); |
| 480 | for (i = 0; i < n; i++) { |
| 481 | dst[i] = ((rgba[i][RCOMP] & 0xff) << 24) |
| 482 | | ((rgba[i][GCOMP] & 0xff) << 16) |
| 483 | | ((rgba[i][BCOMP] & 0xff) << 8) |
| 484 | | ((rgba[i][ACOMP] & 0xff) ); |
| 485 | } |
| 486 | } |
| 487 | break; |
| 488 | case GL_UNSIGNED_INT_10_10_10_2: |
| 489 | if (format == GL_RGBA) { |
| 490 | GLuint *dst = (GLuint *) destination; |
| 491 | GLuint i; |
| 492 | for (i = 0; i < n; i++) { |
| 493 | dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22) |
| 494 | | ((rgba[i][GCOMP] & 0x3ff) << 12) |
| 495 | | ((rgba[i][BCOMP] & 0x3ff) << 2) |
| 496 | | ((rgba[i][ACOMP] & 0x3) ); |
| 497 | } |
| 498 | } |
| 499 | else if (format == GL_BGRA) { |
| 500 | GLuint *dst = (GLuint *) destination; |
| 501 | GLuint i; |
| 502 | for (i = 0; i < n; i++) { |
| 503 | dst[i] = ((rgba[i][BCOMP] & 0x3ff) << 22) |
| 504 | | ((rgba[i][GCOMP] & 0x3ff) << 12) |
| 505 | | ((rgba[i][RCOMP] & 0x3ff) << 2) |
| 506 | | ((rgba[i][ACOMP] & 0x3) ); |
| 507 | } |
| 508 | } |
| 509 | else { |
| 510 | GLuint *dst = (GLuint *) destination; |
| 511 | GLuint i; |
| 512 | ASSERT(format == GL_ABGR_EXT); |
| 513 | for (i = 0; i < n; i++) { |
| 514 | dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) |
| 515 | | ((rgba[i][BCOMP] & 0x3ff) << 12) |
| 516 | | ((rgba[i][GCOMP] & 0x3ff) << 2) |
| 517 | | ((rgba[i][RCOMP] & 0x3) ); |
| 518 | } |
| 519 | } |
| 520 | break; |
| 521 | case GL_UNSIGNED_INT_2_10_10_10_REV: |
| 522 | if (format == GL_RGBA) { |
| 523 | GLuint *dst = (GLuint *) destination; |
| 524 | GLuint i; |
| 525 | for (i = 0; i < n; i++) { |
| 526 | dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) |
| 527 | | ((rgba[i][BCOMP] & 0x3ff) << 12) |
| 528 | | ((rgba[i][GCOMP] & 0x3ff) << 2) |
| 529 | | ((rgba[i][RCOMP] & 0x3) ); |
| 530 | } |
| 531 | } |
| 532 | else if (format == GL_BGRA) { |
| 533 | GLuint *dst = (GLuint *) destination; |
| 534 | GLuint i; |
| 535 | for (i = 0; i < n; i++) { |
| 536 | dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22) |
| 537 | | ((rgba[i][RCOMP] & 0x3ff) << 12) |
| 538 | | ((rgba[i][GCOMP] & 0x3ff) << 2) |
| 539 | | ((rgba[i][BCOMP] & 0x3) ); |
| 540 | } |
| 541 | } |
| 542 | else { |
| 543 | GLuint *dst = (GLuint *) destination; |
| 544 | GLuint i; |
| 545 | ASSERT(format == GL_ABGR_EXT); |
| 546 | for (i = 0; i < n; i++) { |
| 547 | dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22) |
| 548 | | ((rgba[i][GCOMP] & 0x3ff) << 12) |
| 549 | | ((rgba[i][BCOMP] & 0x3ff) << 2) |
| 550 | | ((rgba[i][ACOMP] & 0x3) ); |
| 551 | } |
| 552 | } |
| 553 | break; |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 554 | default: |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 555 | _mesa_problem(ctx, "Bad type in pack_histogram"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | #undef PACK_MACRO |
| 559 | } |
| 560 | |
| 561 | |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 562 | /* |
| 563 | * Given an internalFormat token passed to glHistogram or glMinMax, |
| 564 | * return the corresponding base format. |
| 565 | * Return -1 if invalid token. |
| 566 | */ |
| 567 | static GLint |
| 568 | base_histogram_format( GLenum format ) |
| 569 | { |
| 570 | switch (format) { |
| 571 | case GL_ALPHA: |
| 572 | case GL_ALPHA4: |
| 573 | case GL_ALPHA8: |
| 574 | case GL_ALPHA12: |
| 575 | case GL_ALPHA16: |
| 576 | return GL_ALPHA; |
| 577 | case GL_LUMINANCE: |
| 578 | case GL_LUMINANCE4: |
| 579 | case GL_LUMINANCE8: |
| 580 | case GL_LUMINANCE12: |
| 581 | case GL_LUMINANCE16: |
| 582 | return GL_LUMINANCE; |
| 583 | case GL_LUMINANCE_ALPHA: |
| 584 | case GL_LUMINANCE4_ALPHA4: |
| 585 | case GL_LUMINANCE6_ALPHA2: |
| 586 | case GL_LUMINANCE8_ALPHA8: |
| 587 | case GL_LUMINANCE12_ALPHA4: |
| 588 | case GL_LUMINANCE12_ALPHA12: |
| 589 | case GL_LUMINANCE16_ALPHA16: |
| 590 | return GL_LUMINANCE_ALPHA; |
| 591 | case GL_RGB: |
| 592 | case GL_R3_G3_B2: |
| 593 | case GL_RGB4: |
| 594 | case GL_RGB5: |
| 595 | case GL_RGB8: |
| 596 | case GL_RGB10: |
| 597 | case GL_RGB12: |
| 598 | case GL_RGB16: |
| 599 | return GL_RGB; |
| 600 | case GL_RGBA: |
| 601 | case GL_RGBA2: |
| 602 | case GL_RGBA4: |
| 603 | case GL_RGB5_A1: |
| 604 | case GL_RGBA8: |
| 605 | case GL_RGB10_A2: |
| 606 | case GL_RGBA12: |
| 607 | case GL_RGBA16: |
| 608 | return GL_RGBA; |
| 609 | default: |
| 610 | return -1; /* error */ |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | |
Brian Paul | a46bd6f | 2003-03-25 02:26:28 +0000 | [diff] [blame] | 615 | |
| 616 | /********************************************************************** |
| 617 | * API functions |
| 618 | */ |
| 619 | |
| 620 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 621 | /* this is defined below */ |
| 622 | static void GLAPIENTRY _mesa_ResetMinmax(GLenum target); |
| 623 | |
| 624 | |
| 625 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 626 | _mesa_GetMinmax(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values) |
| 627 | { |
| 628 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 629 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 630 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 631 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 632 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 633 | return; |
| 634 | } |
| 635 | |
| 636 | if (target != GL_MINMAX) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 637 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmax(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 638 | return; |
| 639 | } |
| 640 | |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 641 | if (format != GL_RED && |
| 642 | format != GL_GREEN && |
| 643 | format != GL_BLUE && |
| 644 | format != GL_ALPHA && |
| 645 | format != GL_RGB && |
| 646 | format != GL_BGR && |
| 647 | format != GL_RGBA && |
| 648 | format != GL_BGRA && |
| 649 | format != GL_ABGR_EXT && |
| 650 | format != GL_LUMINANCE && |
| 651 | format != GL_LUMINANCE_ALPHA) { |
Brian Paul | d56928f | 2004-10-31 17:04:07 +0000 | [diff] [blame] | 652 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMax(format)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 653 | } |
| 654 | |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 655 | if (!_mesa_is_legal_format_and_type(ctx, format, type)) { |
| 656 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmax(format or type)"); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 657 | return; |
| 658 | } |
| 659 | |
Brian Paul | 203f395 | 2009-09-03 10:41:14 -0600 | [diff] [blame] | 660 | |
Brian Paul | 95027a0 | 2009-09-03 11:23:05 -0600 | [diff] [blame] | 661 | values = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack, 2, 1, 1, |
| 662 | format, type, values, "glGetMinmax"); |
| 663 | if (!values) |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 664 | return; |
| 665 | |
| 666 | { |
| 667 | GLfloat minmax[2][4]; |
| 668 | minmax[0][RCOMP] = CLAMP(ctx->MinMax.Min[RCOMP], 0.0F, 1.0F); |
| 669 | minmax[0][GCOMP] = CLAMP(ctx->MinMax.Min[GCOMP], 0.0F, 1.0F); |
| 670 | minmax[0][BCOMP] = CLAMP(ctx->MinMax.Min[BCOMP], 0.0F, 1.0F); |
| 671 | minmax[0][ACOMP] = CLAMP(ctx->MinMax.Min[ACOMP], 0.0F, 1.0F); |
| 672 | minmax[1][RCOMP] = CLAMP(ctx->MinMax.Max[RCOMP], 0.0F, 1.0F); |
| 673 | minmax[1][GCOMP] = CLAMP(ctx->MinMax.Max[GCOMP], 0.0F, 1.0F); |
| 674 | minmax[1][BCOMP] = CLAMP(ctx->MinMax.Max[BCOMP], 0.0F, 1.0F); |
| 675 | minmax[1][ACOMP] = CLAMP(ctx->MinMax.Max[ACOMP], 0.0F, 1.0F); |
Brian Paul | 176501d | 2006-10-13 16:34:25 +0000 | [diff] [blame] | 676 | _mesa_pack_rgba_span_float(ctx, 2, minmax, |
Brian Paul | c7eb423 | 2009-04-03 17:28:35 -0600 | [diff] [blame] | 677 | format, type, values, &ctx->Pack, 0x0); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 678 | } |
| 679 | |
Brian Paul | 203f395 | 2009-09-03 10:41:14 -0600 | [diff] [blame] | 680 | _mesa_unmap_pbo_dest(ctx, &ctx->Pack); |
Brian Paul | d56928f | 2004-10-31 17:04:07 +0000 | [diff] [blame] | 681 | |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 682 | if (reset) { |
| 683 | _mesa_ResetMinmax(GL_MINMAX); |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 688 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 689 | _mesa_GetHistogram(GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values) |
| 690 | { |
| 691 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 692 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 693 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 694 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 695 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 696 | return; |
| 697 | } |
| 698 | |
| 699 | if (target != GL_HISTOGRAM) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 700 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 701 | return; |
| 702 | } |
| 703 | |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 704 | if (format != GL_RED && |
| 705 | format != GL_GREEN && |
| 706 | format != GL_BLUE && |
| 707 | format != GL_ALPHA && |
| 708 | format != GL_RGB && |
| 709 | format != GL_BGR && |
| 710 | format != GL_RGBA && |
| 711 | format != GL_BGRA && |
| 712 | format != GL_ABGR_EXT && |
| 713 | format != GL_LUMINANCE && |
| 714 | format != GL_LUMINANCE_ALPHA) { |
| 715 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogram(format)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 716 | } |
| 717 | |
Brian Paul | f959f6e | 2004-04-22 00:27:31 +0000 | [diff] [blame] | 718 | if (!_mesa_is_legal_format_and_type(ctx, format, type)) { |
| 719 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogram(format or type)"); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 720 | return; |
| 721 | } |
| 722 | |
Brian Paul | 95027a0 | 2009-09-03 11:23:05 -0600 | [diff] [blame] | 723 | values = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack, |
| 724 | ctx->Histogram.Width, 1, 1, |
| 725 | format, type, values, |
| 726 | "glGetHistogram"); |
| 727 | if (!values) |
Brian Paul | 203f395 | 2009-09-03 10:41:14 -0600 | [diff] [blame] | 728 | return; |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 729 | |
| 730 | pack_histogram(ctx, ctx->Histogram.Width, |
| 731 | (CONST GLuint (*)[4]) ctx->Histogram.Count, |
| 732 | format, type, values, &ctx->Pack); |
| 733 | |
Brian Paul | 203f395 | 2009-09-03 10:41:14 -0600 | [diff] [blame] | 734 | _mesa_unmap_pbo_dest(ctx, &ctx->Pack); |
Brian Paul | d56928f | 2004-10-31 17:04:07 +0000 | [diff] [blame] | 735 | |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 736 | if (reset) { |
| 737 | GLuint i; |
| 738 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
| 739 | ctx->Histogram.Count[i][0] = 0; |
| 740 | ctx->Histogram.Count[i][1] = 0; |
| 741 | ctx->Histogram.Count[i][2] = 0; |
| 742 | ctx->Histogram.Count[i][3] = 0; |
| 743 | } |
| 744 | } |
| 745 | } |
| 746 | |
| 747 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 748 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 749 | _mesa_GetHistogramParameterfv(GLenum target, GLenum pname, GLfloat *params) |
| 750 | { |
| 751 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 752 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 753 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 754 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 755 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameterfv"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 756 | return; |
| 757 | } |
| 758 | |
| 759 | if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 760 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 761 | return; |
| 762 | } |
| 763 | |
| 764 | switch (pname) { |
| 765 | case GL_HISTOGRAM_WIDTH: |
| 766 | *params = (GLfloat) ctx->Histogram.Width; |
| 767 | break; |
| 768 | case GL_HISTOGRAM_FORMAT: |
| 769 | *params = (GLfloat) ctx->Histogram.Format; |
| 770 | break; |
| 771 | case GL_HISTOGRAM_RED_SIZE: |
| 772 | *params = (GLfloat) ctx->Histogram.RedSize; |
| 773 | break; |
| 774 | case GL_HISTOGRAM_GREEN_SIZE: |
| 775 | *params = (GLfloat) ctx->Histogram.GreenSize; |
| 776 | break; |
| 777 | case GL_HISTOGRAM_BLUE_SIZE: |
| 778 | *params = (GLfloat) ctx->Histogram.BlueSize; |
| 779 | break; |
| 780 | case GL_HISTOGRAM_ALPHA_SIZE: |
| 781 | *params = (GLfloat) ctx->Histogram.AlphaSize; |
| 782 | break; |
| 783 | case GL_HISTOGRAM_LUMINANCE_SIZE: |
| 784 | *params = (GLfloat) ctx->Histogram.LuminanceSize; |
| 785 | break; |
| 786 | case GL_HISTOGRAM_SINK: |
| 787 | *params = (GLfloat) ctx->Histogram.Sink; |
| 788 | break; |
| 789 | default: |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 790 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameterfv(pname)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 791 | } |
| 792 | } |
| 793 | |
| 794 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 795 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 796 | _mesa_GetHistogramParameteriv(GLenum target, GLenum pname, GLint *params) |
| 797 | { |
| 798 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 799 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 800 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 801 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 802 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetHistogramParameteriv"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 803 | return; |
| 804 | } |
| 805 | |
| 806 | if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 807 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 808 | return; |
| 809 | } |
| 810 | |
| 811 | switch (pname) { |
| 812 | case GL_HISTOGRAM_WIDTH: |
| 813 | *params = (GLint) ctx->Histogram.Width; |
| 814 | break; |
| 815 | case GL_HISTOGRAM_FORMAT: |
| 816 | *params = (GLint) ctx->Histogram.Format; |
| 817 | break; |
| 818 | case GL_HISTOGRAM_RED_SIZE: |
| 819 | *params = (GLint) ctx->Histogram.RedSize; |
| 820 | break; |
| 821 | case GL_HISTOGRAM_GREEN_SIZE: |
| 822 | *params = (GLint) ctx->Histogram.GreenSize; |
| 823 | break; |
| 824 | case GL_HISTOGRAM_BLUE_SIZE: |
| 825 | *params = (GLint) ctx->Histogram.BlueSize; |
| 826 | break; |
| 827 | case GL_HISTOGRAM_ALPHA_SIZE: |
| 828 | *params = (GLint) ctx->Histogram.AlphaSize; |
| 829 | break; |
| 830 | case GL_HISTOGRAM_LUMINANCE_SIZE: |
| 831 | *params = (GLint) ctx->Histogram.LuminanceSize; |
| 832 | break; |
| 833 | case GL_HISTOGRAM_SINK: |
| 834 | *params = (GLint) ctx->Histogram.Sink; |
| 835 | break; |
| 836 | default: |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 837 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetHistogramParameteriv(pname)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 838 | } |
| 839 | } |
| 840 | |
| 841 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 842 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 843 | _mesa_GetMinmaxParameterfv(GLenum target, GLenum pname, GLfloat *params) |
| 844 | { |
| 845 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 846 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 847 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 848 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 849 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameterfv"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 850 | return; |
| 851 | } |
| 852 | if (target != GL_MINMAX) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 853 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameterfv(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 854 | return; |
| 855 | } |
| 856 | if (pname == GL_MINMAX_FORMAT) { |
| 857 | *params = (GLfloat) ctx->MinMax.Format; |
| 858 | } |
| 859 | else if (pname == GL_MINMAX_SINK) { |
| 860 | *params = (GLfloat) ctx->MinMax.Sink; |
| 861 | } |
| 862 | else { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 863 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameterfv(pname)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 864 | } |
| 865 | } |
| 866 | |
| 867 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 868 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 869 | _mesa_GetMinmaxParameteriv(GLenum target, GLenum pname, GLint *params) |
| 870 | { |
| 871 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 872 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 873 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 874 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 875 | _mesa_error(ctx, GL_INVALID_OPERATION, "glGetMinmaxParameteriv"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 876 | return; |
| 877 | } |
| 878 | if (target != GL_MINMAX) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 879 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinmaxParameteriv(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 880 | return; |
| 881 | } |
| 882 | if (pname == GL_MINMAX_FORMAT) { |
| 883 | *params = (GLint) ctx->MinMax.Format; |
| 884 | } |
| 885 | else if (pname == GL_MINMAX_SINK) { |
| 886 | *params = (GLint) ctx->MinMax.Sink; |
| 887 | } |
| 888 | else { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 889 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetMinMaxParameteriv(pname)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 890 | } |
| 891 | } |
| 892 | |
| 893 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 894 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 895 | _mesa_Histogram(GLenum target, GLsizei width, GLenum internalFormat, GLboolean sink) |
| 896 | { |
| 897 | GLuint i; |
| 898 | GLboolean error = GL_FALSE; |
| 899 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 900 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */ |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 901 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 902 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 903 | _mesa_error(ctx, GL_INVALID_OPERATION, "glHistogram"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 904 | return; |
| 905 | } |
| 906 | |
| 907 | if (target != GL_HISTOGRAM && target != GL_PROXY_HISTOGRAM) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 908 | _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 909 | return; |
| 910 | } |
| 911 | |
| 912 | if (width < 0 || width > HISTOGRAM_TABLE_SIZE) { |
| 913 | if (target == GL_PROXY_HISTOGRAM) { |
| 914 | error = GL_TRUE; |
| 915 | } |
| 916 | else { |
| 917 | if (width < 0) |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 918 | _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 919 | else |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 920 | _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glHistogram(width)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 921 | return; |
| 922 | } |
| 923 | } |
| 924 | |
Brian | be1b8e5 | 2008-11-10 20:15:28 -0700 | [diff] [blame] | 925 | if (width != 0 && !_mesa_is_pow_two(width)) { |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 926 | if (target == GL_PROXY_HISTOGRAM) { |
| 927 | error = GL_TRUE; |
| 928 | } |
| 929 | else { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 930 | _mesa_error(ctx, GL_INVALID_VALUE, "glHistogram(width)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 931 | return; |
| 932 | } |
| 933 | } |
| 934 | |
| 935 | if (base_histogram_format(internalFormat) < 0) { |
| 936 | if (target == GL_PROXY_HISTOGRAM) { |
| 937 | error = GL_TRUE; |
| 938 | } |
| 939 | else { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 940 | _mesa_error(ctx, GL_INVALID_ENUM, "glHistogram(internalFormat)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 941 | return; |
| 942 | } |
| 943 | } |
| 944 | |
Brian Paul | 6b0c936 | 2009-04-22 16:41:05 -0600 | [diff] [blame] | 945 | FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| 946 | |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 947 | /* reset histograms */ |
| 948 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
| 949 | ctx->Histogram.Count[i][0] = 0; |
| 950 | ctx->Histogram.Count[i][1] = 0; |
| 951 | ctx->Histogram.Count[i][2] = 0; |
| 952 | ctx->Histogram.Count[i][3] = 0; |
| 953 | } |
| 954 | |
| 955 | if (error) { |
| 956 | ctx->Histogram.Width = 0; |
| 957 | ctx->Histogram.Format = 0; |
| 958 | ctx->Histogram.RedSize = 0; |
| 959 | ctx->Histogram.GreenSize = 0; |
| 960 | ctx->Histogram.BlueSize = 0; |
| 961 | ctx->Histogram.AlphaSize = 0; |
| 962 | ctx->Histogram.LuminanceSize = 0; |
| 963 | } |
| 964 | else { |
| 965 | ctx->Histogram.Width = width; |
| 966 | ctx->Histogram.Format = internalFormat; |
| 967 | ctx->Histogram.Sink = sink; |
Brian Paul | e75d242 | 2001-02-17 18:41:01 +0000 | [diff] [blame] | 968 | ctx->Histogram.RedSize = 8 * sizeof(GLuint); |
| 969 | ctx->Histogram.GreenSize = 8 * sizeof(GLuint); |
| 970 | ctx->Histogram.BlueSize = 8 * sizeof(GLuint); |
| 971 | ctx->Histogram.AlphaSize = 8 * sizeof(GLuint); |
| 972 | ctx->Histogram.LuminanceSize = 8 * sizeof(GLuint); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 973 | } |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 974 | } |
| 975 | |
| 976 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 977 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 978 | _mesa_Minmax(GLenum target, GLenum internalFormat, GLboolean sink) |
| 979 | { |
| 980 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 981 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 982 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 983 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 984 | _mesa_error(ctx, GL_INVALID_OPERATION, "glMinmax"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 985 | return; |
| 986 | } |
| 987 | |
| 988 | if (target != GL_MINMAX) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 989 | _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 990 | return; |
| 991 | } |
| 992 | |
| 993 | if (base_histogram_format(internalFormat) < 0) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 994 | _mesa_error(ctx, GL_INVALID_ENUM, "glMinMax(internalFormat)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 995 | return; |
| 996 | } |
Gareth Hughes | 22144ab | 2001-03-12 00:48:37 +0000 | [diff] [blame] | 997 | |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 998 | if (ctx->MinMax.Sink == sink) |
| 999 | return; |
| 1000 | FLUSH_VERTICES(ctx, _NEW_PIXEL); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1001 | ctx->MinMax.Sink = sink; |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1002 | } |
| 1003 | |
| 1004 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 1005 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1006 | _mesa_ResetHistogram(GLenum target) |
| 1007 | { |
| 1008 | GLuint i; |
| 1009 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 1010 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* sideeffects */ |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1011 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 1012 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 1013 | _mesa_error(ctx, GL_INVALID_OPERATION, "glResetHistogram"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1014 | return; |
| 1015 | } |
| 1016 | |
| 1017 | if (target != GL_HISTOGRAM) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 1018 | _mesa_error(ctx, GL_INVALID_ENUM, "glResetHistogram(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1019 | return; |
| 1020 | } |
| 1021 | |
| 1022 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
| 1023 | ctx->Histogram.Count[i][0] = 0; |
| 1024 | ctx->Histogram.Count[i][1] = 0; |
| 1025 | ctx->Histogram.Count[i][2] = 0; |
| 1026 | ctx->Histogram.Count[i][3] = 0; |
| 1027 | } |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 1031 | static void GLAPIENTRY |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1032 | _mesa_ResetMinmax(GLenum target) |
| 1033 | { |
| 1034 | GET_CURRENT_CONTEXT(ctx); |
Keith Whitwell | cab974c | 2000-12-26 05:09:27 +0000 | [diff] [blame] | 1035 | ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1036 | |
Brian Paul | 6a9851d | 2001-02-27 22:33:59 +0000 | [diff] [blame] | 1037 | if (!ctx->Extensions.EXT_histogram && !ctx->Extensions.ARB_imaging) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 1038 | _mesa_error(ctx, GL_INVALID_OPERATION, "glResetMinmax"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1039 | return; |
| 1040 | } |
| 1041 | |
| 1042 | if (target != GL_MINMAX) { |
Brian Paul | 0883634 | 2001-03-03 20:33:27 +0000 | [diff] [blame] | 1043 | _mesa_error(ctx, GL_INVALID_ENUM, "glResetMinMax(target)"); |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1044 | return; |
| 1045 | } |
| 1046 | |
| 1047 | ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000; |
| 1048 | ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000; |
| 1049 | ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000; |
| 1050 | ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000; |
Brian Paul | 8a95074 | 2000-11-10 18:06:14 +0000 | [diff] [blame] | 1051 | } |
Keith Whitwell | 6dc8557 | 2003-07-17 13:43:59 +0000 | [diff] [blame] | 1052 | |
| 1053 | |
Chia-I Wu | cab7ea0 | 2009-09-07 18:06:00 +0800 | [diff] [blame] | 1054 | void |
| 1055 | _mesa_init_histogram_dispatch(struct _glapi_table *disp) |
| 1056 | { |
| 1057 | SET_GetHistogram(disp, _mesa_GetHistogram); |
| 1058 | SET_GetHistogramParameterfv(disp, _mesa_GetHistogramParameterfv); |
| 1059 | SET_GetHistogramParameteriv(disp, _mesa_GetHistogramParameteriv); |
| 1060 | SET_GetMinmax(disp, _mesa_GetMinmax); |
| 1061 | SET_GetMinmaxParameterfv(disp, _mesa_GetMinmaxParameterfv); |
| 1062 | SET_GetMinmaxParameteriv(disp, _mesa_GetMinmaxParameteriv); |
| 1063 | SET_Histogram(disp, _mesa_Histogram); |
| 1064 | SET_Minmax(disp, _mesa_Minmax); |
| 1065 | SET_ResetHistogram(disp, _mesa_ResetHistogram); |
| 1066 | SET_ResetMinmax(disp, _mesa_ResetMinmax); |
| 1067 | } |
| 1068 | |
| 1069 | |
| 1070 | #endif /* FEATURE_histogram */ |
| 1071 | |
Keith Whitwell | 6dc8557 | 2003-07-17 13:43:59 +0000 | [diff] [blame] | 1072 | |
| 1073 | /**********************************************************************/ |
| 1074 | /***** Initialization *****/ |
| 1075 | /**********************************************************************/ |
| 1076 | |
| 1077 | void _mesa_init_histogram( GLcontext * ctx ) |
| 1078 | { |
| 1079 | int i; |
| 1080 | |
| 1081 | /* Histogram group */ |
| 1082 | ctx->Histogram.Width = 0; |
| 1083 | ctx->Histogram.Format = GL_RGBA; |
| 1084 | ctx->Histogram.Sink = GL_FALSE; |
| 1085 | ctx->Histogram.RedSize = 0; |
| 1086 | ctx->Histogram.GreenSize = 0; |
| 1087 | ctx->Histogram.BlueSize = 0; |
| 1088 | ctx->Histogram.AlphaSize = 0; |
| 1089 | ctx->Histogram.LuminanceSize = 0; |
| 1090 | for (i = 0; i < HISTOGRAM_TABLE_SIZE; i++) { |
| 1091 | ctx->Histogram.Count[i][0] = 0; |
| 1092 | ctx->Histogram.Count[i][1] = 0; |
| 1093 | ctx->Histogram.Count[i][2] = 0; |
| 1094 | ctx->Histogram.Count[i][3] = 0; |
| 1095 | } |
| 1096 | |
| 1097 | /* Min/Max group */ |
| 1098 | ctx->MinMax.Format = GL_RGBA; |
| 1099 | ctx->MinMax.Sink = GL_FALSE; |
| 1100 | ctx->MinMax.Min[RCOMP] = 1000; ctx->MinMax.Max[RCOMP] = -1000; |
| 1101 | ctx->MinMax.Min[GCOMP] = 1000; ctx->MinMax.Max[GCOMP] = -1000; |
| 1102 | ctx->MinMax.Min[BCOMP] = 1000; ctx->MinMax.Max[BCOMP] = -1000; |
| 1103 | ctx->MinMax.Min[ACOMP] = 1000; ctx->MinMax.Max[ACOMP] = -1000; |
| 1104 | } |