| 1 | /* |
| 2 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| 3 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice including the dates of first publication and |
| 13 | * either this permission notice or a reference to |
| 14 | * http://oss.sgi.com/projects/FreeB/ |
| 15 | * shall be included 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 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| 22 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | * SOFTWARE. |
| 24 | * |
| 25 | * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| 26 | * shall not be used in advertising or otherwise to promote the sale, use or |
| 27 | * other dealings in this Software without prior written authorization from |
| 28 | * Silicon Graphics, Inc. |
| 29 | */ |
| 30 | |
| 31 | #ifdef HAVE_DIX_CONFIG_H |
| 32 | #include <dix-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include "glxserver.h" |
| 36 | #include "glxext.h" |
| 37 | #include "singlesize.h" |
| 38 | #include "unpack.h" |
| 39 | #include "indirect_dispatch.h" |
| 40 | #include "indirect_size_get.h" |
| 41 | |
| 42 | int |
| 43 | __glXDispSwap_ReadPixels(__GLXclientState * cl, GLbyte * pc) |
| 44 | { |
| 45 | GLsizei width, height; |
| 46 | GLenum format, type; |
| 47 | GLboolean swapBytes, lsbFirst; |
| 48 | GLint compsize; |
| 49 | |
| 50 | __GLX_DECLARE_SWAP_VARIABLES; |
| 51 | __GLXcontext *cx; |
| 52 | ClientPtr client = cl->client; |
| 53 | int error; |
| 54 | char *answer, answerBuffer[200]; |
| 55 | |
| 56 | __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag); |
| 57 | cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); |
| 58 | if (!cx) { |
| 59 | return error; |
| 60 | } |
| 61 | |
| 62 | pc += __GLX_SINGLE_HDR_SIZE; |
| 63 | __GLX_SWAP_INT(pc + 0); |
| 64 | __GLX_SWAP_INT(pc + 4); |
| 65 | __GLX_SWAP_INT(pc + 8); |
| 66 | __GLX_SWAP_INT(pc + 12); |
| 67 | __GLX_SWAP_INT(pc + 16); |
| 68 | __GLX_SWAP_INT(pc + 20); |
| 69 | |
| 70 | width = *(GLsizei *) (pc + 8); |
| 71 | height = *(GLsizei *) (pc + 12); |
| 72 | format = *(GLenum *) (pc + 16); |
| 73 | type = *(GLenum *) (pc + 20); |
| 74 | swapBytes = *(GLboolean *) (pc + 24); |
| 75 | lsbFirst = *(GLboolean *) (pc + 25); |
| 76 | compsize = __glReadPixels_size(format, type, width, height); |
| 77 | if (compsize < 0) |
| 78 | compsize = 0; |
| 79 | |
| 80 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 81 | glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst); |
| 82 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); |
| 83 | __glXClearErrorOccured(); |
| 84 | glReadPixels(*(GLint *) (pc + 0), *(GLint *) (pc + 4), |
| 85 | *(GLsizei *) (pc + 8), *(GLsizei *) (pc + 12), |
| 86 | *(GLenum *) (pc + 16), *(GLenum *) (pc + 20), answer); |
| 87 | |
| 88 | if (__glXErrorOccured()) { |
| 89 | __GLX_BEGIN_REPLY(0); |
| 90 | __GLX_SWAP_REPLY_HEADER(); |
| 91 | __GLX_SEND_HEADER(); |
| 92 | } |
| 93 | else { |
| 94 | __GLX_BEGIN_REPLY(compsize); |
| 95 | __GLX_SWAP_REPLY_HEADER(); |
| 96 | __GLX_SEND_HEADER(); |
| 97 | __GLX_SEND_VOID_ARRAY(compsize); |
| 98 | } |
| 99 | cx->hasUnflushedCommands = GL_FALSE; |
| 100 | return Success; |
| 101 | } |
| 102 | |
| 103 | int |
| 104 | __glXDispSwap_GetTexImage(__GLXclientState * cl, GLbyte * pc) |
| 105 | { |
| 106 | GLint level, compsize; |
| 107 | GLenum format, type, target; |
| 108 | GLboolean swapBytes; |
| 109 | |
| 110 | __GLX_DECLARE_SWAP_VARIABLES; |
| 111 | __GLXcontext *cx; |
| 112 | ClientPtr client = cl->client; |
| 113 | int error; |
| 114 | char *answer, answerBuffer[200]; |
| 115 | GLint width = 0, height = 0, depth = 1; |
| 116 | |
| 117 | __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag); |
| 118 | cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); |
| 119 | if (!cx) { |
| 120 | return error; |
| 121 | } |
| 122 | |
| 123 | pc += __GLX_SINGLE_HDR_SIZE; |
| 124 | __GLX_SWAP_INT(pc + 0); |
| 125 | __GLX_SWAP_INT(pc + 4); |
| 126 | __GLX_SWAP_INT(pc + 8); |
| 127 | __GLX_SWAP_INT(pc + 12); |
| 128 | |
| 129 | level = *(GLint *) (pc + 4); |
| 130 | format = *(GLenum *) (pc + 8); |
| 131 | type = *(GLenum *) (pc + 12); |
| 132 | target = *(GLenum *) (pc + 0); |
| 133 | swapBytes = *(GLboolean *) (pc + 16); |
| 134 | |
| 135 | glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width); |
| 136 | glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT, &height); |
| 137 | if (target == GL_TEXTURE_3D) { |
| 138 | glGetTexLevelParameteriv(target, level, GL_TEXTURE_DEPTH, &depth); |
| 139 | } |
| 140 | /* |
| 141 | * The three queries above might fail if we're in a state where queries |
| 142 | * are illegal, but then width, height, and depth would still be zero anyway. |
| 143 | */ |
| 144 | compsize = |
| 145 | __glGetTexImage_size(target, level, format, type, width, height, depth); |
| 146 | if (compsize < 0) |
| 147 | compsize = 0; |
| 148 | |
| 149 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 150 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); |
| 151 | __glXClearErrorOccured(); |
| 152 | glGetTexImage(*(GLenum *) (pc + 0), *(GLint *) (pc + 4), |
| 153 | *(GLenum *) (pc + 8), *(GLenum *) (pc + 12), answer); |
| 154 | |
| 155 | if (__glXErrorOccured()) { |
| 156 | __GLX_BEGIN_REPLY(0); |
| 157 | __GLX_SWAP_REPLY_HEADER(); |
| 158 | __GLX_SEND_HEADER(); |
| 159 | } |
| 160 | else { |
| 161 | __GLX_BEGIN_REPLY(compsize); |
| 162 | __GLX_SWAP_REPLY_HEADER(); |
| 163 | __GLX_SWAP_INT(&width); |
| 164 | __GLX_SWAP_INT(&height); |
| 165 | __GLX_SWAP_INT(&depth); |
| 166 | ((xGLXGetTexImageReply *) &__glXReply)->width = width; |
| 167 | ((xGLXGetTexImageReply *) &__glXReply)->height = height; |
| 168 | ((xGLXGetTexImageReply *) &__glXReply)->depth = depth; |
| 169 | __GLX_SEND_HEADER(); |
| 170 | __GLX_SEND_VOID_ARRAY(compsize); |
| 171 | } |
| 172 | return Success; |
| 173 | } |
| 174 | |
| 175 | int |
| 176 | __glXDispSwap_GetPolygonStipple(__GLXclientState * cl, GLbyte * pc) |
| 177 | { |
| 178 | GLboolean lsbFirst; |
| 179 | __GLXcontext *cx; |
| 180 | ClientPtr client = cl->client; |
| 181 | int error; |
| 182 | GLubyte answerBuffer[200]; |
| 183 | char *answer; |
| 184 | |
| 185 | __GLX_DECLARE_SWAP_VARIABLES; |
| 186 | |
| 187 | __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag); |
| 188 | cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error); |
| 189 | if (!cx) { |
| 190 | return error; |
| 191 | } |
| 192 | pc += __GLX_SINGLE_HDR_SIZE; |
| 193 | lsbFirst = *(GLboolean *) (pc + 0); |
| 194 | |
| 195 | glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst); |
| 196 | __GLX_GET_ANSWER_BUFFER(answer, cl, 128, 1); |
| 197 | |
| 198 | __glXClearErrorOccured(); |
| 199 | glGetPolygonStipple((GLubyte *) answer); |
| 200 | if (__glXErrorOccured()) { |
| 201 | __GLX_BEGIN_REPLY(0); |
| 202 | __GLX_SWAP_REPLY_HEADER(); |
| 203 | __GLX_SEND_HEADER(); |
| 204 | } |
| 205 | else { |
| 206 | __GLX_BEGIN_REPLY(128); |
| 207 | __GLX_SWAP_REPLY_HEADER(); |
| 208 | __GLX_SEND_HEADER(); |
| 209 | __GLX_SEND_BYTE_ARRAY(128); |
| 210 | } |
| 211 | return Success; |
| 212 | } |
| 213 | |
| 214 | static int |
| 215 | GetSeparableFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) |
| 216 | { |
| 217 | GLint compsize, compsize2; |
| 218 | GLenum format, type, target; |
| 219 | GLboolean swapBytes; |
| 220 | __GLXcontext *cx; |
| 221 | ClientPtr client = cl->client; |
| 222 | int error; |
| 223 | |
| 224 | __GLX_DECLARE_SWAP_VARIABLES; |
| 225 | char *answer, answerBuffer[200]; |
| 226 | GLint width = 0, height = 0; |
| 227 | |
| 228 | cx = __glXForceCurrent(cl, tag, &error); |
| 229 | if (!cx) { |
| 230 | return error; |
| 231 | } |
| 232 | |
| 233 | __GLX_SWAP_INT(pc + 0); |
| 234 | __GLX_SWAP_INT(pc + 4); |
| 235 | __GLX_SWAP_INT(pc + 8); |
| 236 | |
| 237 | format = *(GLenum *) (pc + 4); |
| 238 | type = *(GLenum *) (pc + 8); |
| 239 | target = *(GLenum *) (pc + 0); |
| 240 | swapBytes = *(GLboolean *) (pc + 12); |
| 241 | |
| 242 | /* target must be SEPARABLE_2D, however I guess we can let the GL |
| 243 | barf on this one.... */ |
| 244 | |
| 245 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width); |
| 246 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height); |
| 247 | /* |
| 248 | * The two queries above might fail if we're in a state where queries |
| 249 | * are illegal, but then width and height would still be zero anyway. |
| 250 | */ |
| 251 | compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1); |
| 252 | compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1); |
| 253 | |
| 254 | if (compsize < 0) |
| 255 | compsize = 0; |
| 256 | if (compsize2 < 0) |
| 257 | compsize2 = 0; |
| 258 | compsize = __GLX_PAD(compsize); |
| 259 | compsize2 = __GLX_PAD(compsize2); |
| 260 | |
| 261 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 262 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize + compsize2, 1); |
| 263 | __glXClearErrorOccured(); |
| 264 | glGetSeparableFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4), |
| 265 | *(GLenum *) (pc + 8), answer, answer + compsize, NULL); |
| 266 | |
| 267 | if (__glXErrorOccured()) { |
| 268 | __GLX_BEGIN_REPLY(0); |
| 269 | __GLX_SWAP_REPLY_HEADER(); |
| 270 | } |
| 271 | else { |
| 272 | __GLX_BEGIN_REPLY(compsize + compsize2); |
| 273 | __GLX_SWAP_REPLY_HEADER(); |
| 274 | __GLX_SWAP_INT(&width); |
| 275 | __GLX_SWAP_INT(&height); |
| 276 | ((xGLXGetSeparableFilterReply *) &__glXReply)->width = width; |
| 277 | ((xGLXGetSeparableFilterReply *) &__glXReply)->height = height; |
| 278 | __GLX_SEND_VOID_ARRAY(compsize + compsize2); |
| 279 | } |
| 280 | |
| 281 | return Success; |
| 282 | } |
| 283 | |
| 284 | int |
| 285 | __glXDispSwap_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc) |
| 286 | { |
| 287 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); |
| 288 | |
| 289 | return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); |
| 290 | } |
| 291 | |
| 292 | int |
| 293 | __glXDispSwap_GetSeparableFilterEXT(__GLXclientState * cl, GLbyte * pc) |
| 294 | { |
| 295 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); |
| 296 | |
| 297 | return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); |
| 298 | } |
| 299 | |
| 300 | static int |
| 301 | GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) |
| 302 | { |
| 303 | GLint compsize; |
| 304 | GLenum format, type, target; |
| 305 | GLboolean swapBytes; |
| 306 | __GLXcontext *cx; |
| 307 | ClientPtr client = cl->client; |
| 308 | int error; |
| 309 | |
| 310 | __GLX_DECLARE_SWAP_VARIABLES; |
| 311 | char *answer, answerBuffer[200]; |
| 312 | GLint width = 0, height = 0; |
| 313 | |
| 314 | cx = __glXForceCurrent(cl, tag, &error); |
| 315 | if (!cx) { |
| 316 | return error; |
| 317 | } |
| 318 | |
| 319 | __GLX_SWAP_INT(pc + 0); |
| 320 | __GLX_SWAP_INT(pc + 4); |
| 321 | __GLX_SWAP_INT(pc + 8); |
| 322 | |
| 323 | format = *(GLenum *) (pc + 4); |
| 324 | type = *(GLenum *) (pc + 8); |
| 325 | target = *(GLenum *) (pc + 0); |
| 326 | swapBytes = *(GLboolean *) (pc + 12); |
| 327 | |
| 328 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH, &width); |
| 329 | if (target == GL_CONVOLUTION_2D) { |
| 330 | height = 1; |
| 331 | } |
| 332 | else { |
| 333 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT, &height); |
| 334 | } |
| 335 | /* |
| 336 | * The two queries above might fail if we're in a state where queries |
| 337 | * are illegal, but then width and height would still be zero anyway. |
| 338 | */ |
| 339 | compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1); |
| 340 | if (compsize < 0) |
| 341 | compsize = 0; |
| 342 | |
| 343 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 344 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); |
| 345 | __glXClearErrorOccured(); |
| 346 | glGetConvolutionFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4), |
| 347 | *(GLenum *) (pc + 8), answer); |
| 348 | |
| 349 | if (__glXErrorOccured()) { |
| 350 | __GLX_BEGIN_REPLY(0); |
| 351 | __GLX_SWAP_REPLY_HEADER(); |
| 352 | } |
| 353 | else { |
| 354 | __GLX_BEGIN_REPLY(compsize); |
| 355 | __GLX_SWAP_REPLY_HEADER(); |
| 356 | __GLX_SWAP_INT(&width); |
| 357 | __GLX_SWAP_INT(&height); |
| 358 | ((xGLXGetConvolutionFilterReply *) &__glXReply)->width = width; |
| 359 | ((xGLXGetConvolutionFilterReply *) &__glXReply)->height = height; |
| 360 | __GLX_SEND_VOID_ARRAY(compsize); |
| 361 | } |
| 362 | |
| 363 | return Success; |
| 364 | } |
| 365 | |
| 366 | int |
| 367 | __glXDispSwap_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc) |
| 368 | { |
| 369 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); |
| 370 | |
| 371 | return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); |
| 372 | } |
| 373 | |
| 374 | int |
| 375 | __glXDispSwap_GetConvolutionFilterEXT(__GLXclientState * cl, GLbyte * pc) |
| 376 | { |
| 377 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); |
| 378 | |
| 379 | return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); |
| 380 | } |
| 381 | |
| 382 | static int |
| 383 | GetHistogram(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) |
| 384 | { |
| 385 | GLint compsize; |
| 386 | GLenum format, type, target; |
| 387 | GLboolean swapBytes, reset; |
| 388 | __GLXcontext *cx; |
| 389 | ClientPtr client = cl->client; |
| 390 | int error; |
| 391 | |
| 392 | __GLX_DECLARE_SWAP_VARIABLES; |
| 393 | char *answer, answerBuffer[200]; |
| 394 | GLint width = 0; |
| 395 | |
| 396 | cx = __glXForceCurrent(cl, tag, &error); |
| 397 | if (!cx) { |
| 398 | return error; |
| 399 | } |
| 400 | |
| 401 | __GLX_SWAP_INT(pc + 0); |
| 402 | __GLX_SWAP_INT(pc + 4); |
| 403 | __GLX_SWAP_INT(pc + 8); |
| 404 | |
| 405 | format = *(GLenum *) (pc + 4); |
| 406 | type = *(GLenum *) (pc + 8); |
| 407 | target = *(GLenum *) (pc + 0); |
| 408 | swapBytes = *(GLboolean *) (pc + 12); |
| 409 | reset = *(GLboolean *) (pc + 13); |
| 410 | |
| 411 | glGetHistogramParameteriv(target, GL_HISTOGRAM_WIDTH, &width); |
| 412 | /* |
| 413 | * The one query above might fail if we're in a state where queries |
| 414 | * are illegal, but then width would still be zero anyway. |
| 415 | */ |
| 416 | compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1); |
| 417 | if (compsize < 0) |
| 418 | compsize = 0; |
| 419 | |
| 420 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 421 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); |
| 422 | __glXClearErrorOccured(); |
| 423 | glGetHistogram(target, reset, format, type, answer); |
| 424 | |
| 425 | if (__glXErrorOccured()) { |
| 426 | __GLX_BEGIN_REPLY(0); |
| 427 | __GLX_SWAP_REPLY_HEADER(); |
| 428 | } |
| 429 | else { |
| 430 | __GLX_BEGIN_REPLY(compsize); |
| 431 | __GLX_SWAP_REPLY_HEADER(); |
| 432 | __GLX_SWAP_INT(&width); |
| 433 | ((xGLXGetHistogramReply *) &__glXReply)->width = width; |
| 434 | __GLX_SEND_VOID_ARRAY(compsize); |
| 435 | } |
| 436 | |
| 437 | return Success; |
| 438 | } |
| 439 | |
| 440 | int |
| 441 | __glXDispSwap_GetHistogram(__GLXclientState * cl, GLbyte * pc) |
| 442 | { |
| 443 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); |
| 444 | |
| 445 | return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); |
| 446 | } |
| 447 | |
| 448 | int |
| 449 | __glXDispSwap_GetHistogramEXT(__GLXclientState * cl, GLbyte * pc) |
| 450 | { |
| 451 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); |
| 452 | |
| 453 | return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); |
| 454 | } |
| 455 | |
| 456 | static int |
| 457 | GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) |
| 458 | { |
| 459 | GLint compsize; |
| 460 | GLenum format, type, target; |
| 461 | GLboolean swapBytes, reset; |
| 462 | __GLXcontext *cx; |
| 463 | ClientPtr client = cl->client; |
| 464 | int error; |
| 465 | |
| 466 | __GLX_DECLARE_SWAP_VARIABLES; |
| 467 | char *answer, answerBuffer[200]; |
| 468 | |
| 469 | cx = __glXForceCurrent(cl, tag, &error); |
| 470 | if (!cx) { |
| 471 | return error; |
| 472 | } |
| 473 | |
| 474 | __GLX_SWAP_INT(pc + 0); |
| 475 | __GLX_SWAP_INT(pc + 4); |
| 476 | __GLX_SWAP_INT(pc + 8); |
| 477 | |
| 478 | format = *(GLenum *) (pc + 4); |
| 479 | type = *(GLenum *) (pc + 8); |
| 480 | target = *(GLenum *) (pc + 0); |
| 481 | swapBytes = *(GLboolean *) (pc + 12); |
| 482 | reset = *(GLboolean *) (pc + 13); |
| 483 | |
| 484 | compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1); |
| 485 | if (compsize < 0) |
| 486 | compsize = 0; |
| 487 | |
| 488 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 489 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); |
| 490 | __glXClearErrorOccured(); |
| 491 | glGetMinmax(target, reset, format, type, answer); |
| 492 | |
| 493 | if (__glXErrorOccured()) { |
| 494 | __GLX_BEGIN_REPLY(0); |
| 495 | __GLX_SWAP_REPLY_HEADER(); |
| 496 | } |
| 497 | else { |
| 498 | __GLX_BEGIN_REPLY(compsize); |
| 499 | __GLX_SWAP_REPLY_HEADER(); |
| 500 | __GLX_SEND_VOID_ARRAY(compsize); |
| 501 | } |
| 502 | |
| 503 | return Success; |
| 504 | } |
| 505 | |
| 506 | int |
| 507 | __glXDispSwap_GetMinmax(__GLXclientState * cl, GLbyte * pc) |
| 508 | { |
| 509 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); |
| 510 | |
| 511 | return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); |
| 512 | } |
| 513 | |
| 514 | int |
| 515 | __glXDispSwap_GetMinmaxEXT(__GLXclientState * cl, GLbyte * pc) |
| 516 | { |
| 517 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); |
| 518 | |
| 519 | return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); |
| 520 | } |
| 521 | |
| 522 | static int |
| 523 | GetColorTable(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) |
| 524 | { |
| 525 | GLint compsize; |
| 526 | GLenum format, type, target; |
| 527 | GLboolean swapBytes; |
| 528 | __GLXcontext *cx; |
| 529 | ClientPtr client = cl->client; |
| 530 | int error; |
| 531 | |
| 532 | __GLX_DECLARE_SWAP_VARIABLES; |
| 533 | char *answer, answerBuffer[200]; |
| 534 | GLint width = 0; |
| 535 | |
| 536 | cx = __glXForceCurrent(cl, tag, &error); |
| 537 | if (!cx) { |
| 538 | return error; |
| 539 | } |
| 540 | |
| 541 | __GLX_SWAP_INT(pc + 0); |
| 542 | __GLX_SWAP_INT(pc + 4); |
| 543 | __GLX_SWAP_INT(pc + 8); |
| 544 | |
| 545 | format = *(GLenum *) (pc + 4); |
| 546 | type = *(GLenum *) (pc + 8); |
| 547 | target = *(GLenum *) (pc + 0); |
| 548 | swapBytes = *(GLboolean *) (pc + 12); |
| 549 | |
| 550 | glGetColorTableParameteriv(target, GL_COLOR_TABLE_WIDTH, &width); |
| 551 | /* |
| 552 | * The one query above might fail if we're in a state where queries |
| 553 | * are illegal, but then width would still be zero anyway. |
| 554 | */ |
| 555 | compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1); |
| 556 | if (compsize < 0) |
| 557 | compsize = 0; |
| 558 | |
| 559 | glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes); |
| 560 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1); |
| 561 | __glXClearErrorOccured(); |
| 562 | glGetColorTable(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4), |
| 563 | *(GLenum *) (pc + 8), answer); |
| 564 | |
| 565 | if (__glXErrorOccured()) { |
| 566 | __GLX_BEGIN_REPLY(0); |
| 567 | __GLX_SWAP_REPLY_HEADER(); |
| 568 | } |
| 569 | else { |
| 570 | __GLX_BEGIN_REPLY(compsize); |
| 571 | __GLX_SWAP_REPLY_HEADER(); |
| 572 | __GLX_SWAP_INT(&width); |
| 573 | ((xGLXGetColorTableReply *) &__glXReply)->width = width; |
| 574 | __GLX_SEND_VOID_ARRAY(compsize); |
| 575 | } |
| 576 | |
| 577 | return Success; |
| 578 | } |
| 579 | |
| 580 | int |
| 581 | __glXDispSwap_GetColorTable(__GLXclientState * cl, GLbyte * pc) |
| 582 | { |
| 583 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc); |
| 584 | |
| 585 | return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE, tag); |
| 586 | } |
| 587 | |
| 588 | int |
| 589 | __glXDispSwap_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc) |
| 590 | { |
| 591 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc); |
| 592 | |
| 593 | return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE, tag); |
| 594 | } |