| 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_DMX_CONFIG_H |
| 32 | #include <dmx-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include "dmx.h" |
| 36 | #include <GL/glx.h> |
| 37 | #include <GL/glxproto.h> |
| 38 | #include <X11/extensions/Xext.h> |
| 39 | #include <X11/extensions/extutil.h> |
| 40 | #include <limits.h> |
| 41 | |
| 42 | #include "dmx_glxvisuals.h" |
| 43 | |
| 44 | __GLXvisualConfig * |
| 45 | GetGLXVisualConfigs(Display * dpy, int screen, int *nconfigs) |
| 46 | { |
| 47 | xGLXGetVisualConfigsReq *req; |
| 48 | xGLXGetVisualConfigsReply reply; |
| 49 | __GLXvisualConfig *config, *configs; |
| 50 | GLint i, j, nvisuals, nprops; |
| 51 | INT32 *props, *p; |
| 52 | int majorOpcode, dummy; |
| 53 | int num_good_visuals; |
| 54 | |
| 55 | if (!XQueryExtension(dpy, "GLX", &majorOpcode, &dummy, &dummy)) { |
| 56 | return NULL; |
| 57 | } |
| 58 | |
| 59 | /* Send the glXGetVisualConfigs request */ |
| 60 | LockDisplay(dpy); |
| 61 | GetReq(GLXGetVisualConfigs, req); |
| 62 | req->reqType = majorOpcode; |
| 63 | req->glxCode = X_GLXGetVisualConfigs; |
| 64 | req->screen = screen; |
| 65 | if (!_XReply(dpy, (xReply *) &reply, 0, False)) { |
| 66 | /* Something is busted. Punt. */ |
| 67 | UnlockDisplay(dpy); |
| 68 | SyncHandle(); |
| 69 | return NULL; |
| 70 | } |
| 71 | |
| 72 | nvisuals = (int) reply.numVisuals; |
| 73 | if (!nvisuals) { |
| 74 | /* This screen does not support GL rendering */ |
| 75 | UnlockDisplay(dpy); |
| 76 | SyncHandle(); |
| 77 | return NULL; |
| 78 | } |
| 79 | |
| 80 | /* Check number of properties per visual */ |
| 81 | nprops = (int) reply.numProps; |
| 82 | if (nprops < __GLX_MIN_CONFIG_PROPS) { |
| 83 | /* Huh? Not in protocol defined limits. Punt */ |
| 84 | UnlockDisplay(dpy); |
| 85 | SyncHandle(); |
| 86 | return NULL; |
| 87 | } |
| 88 | if (nprops < (INT_MAX / __GLX_SIZE_CARD32)) |
| 89 | props = Xmalloc(nprops * __GLX_SIZE_CARD32); |
| 90 | else |
| 91 | props = NULL; |
| 92 | if (!props) { |
| 93 | UnlockDisplay(dpy); |
| 94 | SyncHandle(); |
| 95 | return NULL; |
| 96 | } |
| 97 | |
| 98 | /* Allocate memory for our config structure */ |
| 99 | if (nvisuals < (INT_MAX / sizeof(__GLXvisualConfig))) |
| 100 | config = Xcalloc(nvisuals, sizeof(__GLXvisualConfig)); |
| 101 | else |
| 102 | config = NULL; |
| 103 | if (!config) { |
| 104 | free(props); |
| 105 | UnlockDisplay(dpy); |
| 106 | SyncHandle(); |
| 107 | return NULL; |
| 108 | } |
| 109 | configs = config; |
| 110 | num_good_visuals = 0; |
| 111 | |
| 112 | /* Convert config structure into our format */ |
| 113 | for (i = 0; i < nvisuals; i++) { |
| 114 | |
| 115 | /* Read config structure */ |
| 116 | _XRead(dpy, (char *) props, (nprops * __GLX_SIZE_CARD32)); |
| 117 | |
| 118 | /* fill in default values */ |
| 119 | config->visualRating = GLX_NONE_EXT; |
| 120 | config->transparentPixel = GLX_NONE_EXT; |
| 121 | |
| 122 | /* Copy in the first set of properties */ |
| 123 | config->vid = props[0]; |
| 124 | config->class = props[1]; |
| 125 | |
| 126 | config->rgba = (Bool) props[2]; |
| 127 | |
| 128 | config->redSize = props[3]; |
| 129 | config->greenSize = props[4]; |
| 130 | config->blueSize = props[5]; |
| 131 | config->alphaSize = props[6]; |
| 132 | |
| 133 | config->accumRedSize = props[7]; |
| 134 | config->accumGreenSize = props[8]; |
| 135 | config->accumBlueSize = props[9]; |
| 136 | config->accumAlphaSize = props[10]; |
| 137 | |
| 138 | config->doubleBuffer = (Bool) props[11]; |
| 139 | config->stereo = (Bool) props[12]; |
| 140 | |
| 141 | config->bufferSize = props[13]; |
| 142 | config->depthSize = props[14]; |
| 143 | config->stencilSize = props[15]; |
| 144 | |
| 145 | config->auxBuffers = props[16]; |
| 146 | config->level = props[17]; |
| 147 | |
| 148 | /* Process remaining properties */ |
| 149 | p = &props[18]; |
| 150 | for (j = __GLX_MIN_CONFIG_PROPS; j < nprops; j += 2) { |
| 151 | int property = *p++; |
| 152 | int value = *p++; |
| 153 | |
| 154 | switch (property) { |
| 155 | case GLX_SAMPLES_SGIS: |
| 156 | config->multiSampleSize = value; |
| 157 | break; |
| 158 | case GLX_SAMPLE_BUFFERS_SGIS: |
| 159 | config->nMultiSampleBuffers = value; |
| 160 | break; |
| 161 | |
| 162 | case GLX_TRANSPARENT_TYPE_EXT: |
| 163 | config->transparentPixel = value; |
| 164 | break; |
| 165 | case GLX_TRANSPARENT_INDEX_VALUE_EXT: |
| 166 | config->transparentIndex = value; |
| 167 | break; |
| 168 | case GLX_TRANSPARENT_RED_VALUE_EXT: |
| 169 | config->transparentRed = value; |
| 170 | break; |
| 171 | case GLX_TRANSPARENT_GREEN_VALUE_EXT: |
| 172 | config->transparentGreen = value; |
| 173 | break; |
| 174 | case GLX_TRANSPARENT_BLUE_VALUE_EXT: |
| 175 | config->transparentBlue = value; |
| 176 | break; |
| 177 | case GLX_TRANSPARENT_ALPHA_VALUE_EXT: |
| 178 | config->transparentAlpha = value; |
| 179 | break; |
| 180 | |
| 181 | case GLX_VISUAL_CAVEAT_EXT: |
| 182 | config->visualRating = value; |
| 183 | break; |
| 184 | |
| 185 | /* visualSelectGroup is an internal used property */ |
| 186 | case GLX_VISUAL_SELECT_GROUP_SGIX: |
| 187 | config->visualSelectGroup = value; |
| 188 | break; |
| 189 | |
| 190 | default: |
| 191 | /* Ignore properties we don't recognize */ |
| 192 | break; |
| 193 | } |
| 194 | } /* for j */ |
| 195 | |
| 196 | /* |
| 197 | // filter out overlay visuals (dmx does not support overlays) |
| 198 | */ |
| 199 | if (config->level == 0) { |
| 200 | config++; |
| 201 | num_good_visuals++; |
| 202 | } |
| 203 | |
| 204 | } /* for i */ |
| 205 | |
| 206 | UnlockDisplay(dpy); |
| 207 | |
| 208 | nvisuals = num_good_visuals; |
| 209 | |
| 210 | config = configs; |
| 211 | for (i = 0; i < nvisuals; i++) { |
| 212 | /* XXX hack to fill-in mask info (need a better way to do this) */ |
| 213 | { |
| 214 | XVisualInfo *vis, template; |
| 215 | int n; |
| 216 | |
| 217 | template.screen = screen; |
| 218 | template.visualid = config->vid; |
| 219 | vis = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, |
| 220 | &template, &n); |
| 221 | |
| 222 | if (vis != NULL) { |
| 223 | config->redMask = vis->red_mask; |
| 224 | config->greenMask = vis->green_mask; |
| 225 | config->blueMask = vis->blue_mask; |
| 226 | config->alphaMask = 0; /* XXX */ |
| 227 | free(vis); |
| 228 | } |
| 229 | } |
| 230 | config++; |
| 231 | } /* for i */ |
| 232 | |
| 233 | XFree(props); |
| 234 | SyncHandle(); |
| 235 | |
| 236 | *nconfigs = nvisuals; |
| 237 | return configs; |
| 238 | } |
| 239 | |
| 240 | __GLXFBConfig * |
| 241 | GetGLXFBConfigs(Display * dpy, int glxMajorOpcode, int *nconfigs) |
| 242 | { |
| 243 | xGLXGetFBConfigsReq *req; |
| 244 | xGLXGetFBConfigsReply reply; |
| 245 | __GLXFBConfig *config, *fbconfigs; |
| 246 | GLint i, j, numFBConfigs, numAttribs; |
| 247 | INT32 *attrs, *p; |
| 248 | int screen = DefaultScreen(dpy); |
| 249 | int numValidConfigs = 0; |
| 250 | |
| 251 | /* Send the glXGetFBConfigs request */ |
| 252 | LockDisplay(dpy); |
| 253 | GetReq(GLXGetFBConfigs, req); |
| 254 | req->reqType = glxMajorOpcode; |
| 255 | req->glxCode = X_GLXGetFBConfigs; |
| 256 | req->screen = screen; |
| 257 | |
| 258 | *nconfigs = 0; |
| 259 | |
| 260 | if (!_XReply(dpy, (xReply *) &reply, 0, False)) { |
| 261 | /* Something is busted. Punt. */ |
| 262 | UnlockDisplay(dpy); |
| 263 | SyncHandle(); |
| 264 | return NULL; |
| 265 | } |
| 266 | |
| 267 | numFBConfigs = (int) reply.numFBConfigs; |
| 268 | if (!numFBConfigs) { |
| 269 | /* This screen does not support GL rendering */ |
| 270 | UnlockDisplay(dpy); |
| 271 | SyncHandle(); |
| 272 | return NULL; |
| 273 | } |
| 274 | |
| 275 | numAttribs = (int) reply.numAttribs; |
| 276 | if (!numAttribs) { |
| 277 | UnlockDisplay(dpy); |
| 278 | SyncHandle(); |
| 279 | return NULL; |
| 280 | } |
| 281 | |
| 282 | if (numAttribs < (INT_MAX / (2 * __GLX_SIZE_CARD32))) |
| 283 | attrs = Xmalloc(2 * numAttribs * __GLX_SIZE_CARD32); |
| 284 | else |
| 285 | attrs = NULL; |
| 286 | if (!attrs) { |
| 287 | UnlockDisplay(dpy); |
| 288 | SyncHandle(); |
| 289 | return NULL; |
| 290 | } |
| 291 | |
| 292 | /* Allocate memory for our config structure */ |
| 293 | if (numFBConfigs < (INT_MAX / sizeof(__GLXFBConfig))) |
| 294 | config = Xcalloc(numFBConfigs, sizeof(__GLXFBConfig)); |
| 295 | else |
| 296 | config = NULL; |
| 297 | if (!config) { |
| 298 | free(attrs); |
| 299 | UnlockDisplay(dpy); |
| 300 | SyncHandle(); |
| 301 | return NULL; |
| 302 | } |
| 303 | fbconfigs = config; |
| 304 | |
| 305 | /* Convert attribute list into our format */ |
| 306 | for (i = 0; i < numFBConfigs; i++) { |
| 307 | |
| 308 | /* Fill in default properties */ |
| 309 | config->transparentType = GLX_NONE_EXT; |
| 310 | config->visualCaveat = GLX_NONE_EXT; |
| 311 | config->minRed = 0.; |
| 312 | config->maxRed = 1.; |
| 313 | config->minGreen = 0.; |
| 314 | config->maxGreen = 1.; |
| 315 | config->minBlue = 0.; |
| 316 | config->maxBlue = 1.; |
| 317 | config->minAlpha = 0.; |
| 318 | config->maxAlpha = 1.; |
| 319 | |
| 320 | /* Read attribute list */ |
| 321 | _XRead(dpy, (char *) attrs, (2 * numAttribs * __GLX_SIZE_CARD32)); |
| 322 | |
| 323 | p = attrs; |
| 324 | for (j = 0; j < numAttribs; j++) { |
| 325 | int attribute = *p++; |
| 326 | int value = *p++; |
| 327 | |
| 328 | switch (attribute) { |
| 329 | /* core attributes */ |
| 330 | case GLX_FBCONFIG_ID: |
| 331 | config->id = value; |
| 332 | break; |
| 333 | case GLX_BUFFER_SIZE: |
| 334 | config->indexBits = value; |
| 335 | break; |
| 336 | case GLX_LEVEL: |
| 337 | config->level = value; |
| 338 | break; |
| 339 | case GLX_DOUBLEBUFFER: |
| 340 | config->doubleBufferMode = value; |
| 341 | break; |
| 342 | case GLX_STEREO: |
| 343 | config->stereoMode = value; |
| 344 | break; |
| 345 | case GLX_AUX_BUFFERS: |
| 346 | config->maxAuxBuffers = value; |
| 347 | break; |
| 348 | case GLX_RED_SIZE: |
| 349 | config->redBits = value; |
| 350 | break; |
| 351 | case GLX_GREEN_SIZE: |
| 352 | config->greenBits = value; |
| 353 | break; |
| 354 | case GLX_BLUE_SIZE: |
| 355 | config->blueBits = value; |
| 356 | break; |
| 357 | case GLX_ALPHA_SIZE: |
| 358 | config->alphaBits = value; |
| 359 | break; |
| 360 | case GLX_DEPTH_SIZE: |
| 361 | config->depthBits = value; |
| 362 | break; |
| 363 | case GLX_STENCIL_SIZE: |
| 364 | config->stencilBits = value; |
| 365 | break; |
| 366 | case GLX_ACCUM_RED_SIZE: |
| 367 | config->accumRedBits = value; |
| 368 | break; |
| 369 | case GLX_ACCUM_GREEN_SIZE: |
| 370 | config->accumGreenBits = value; |
| 371 | break; |
| 372 | case GLX_ACCUM_BLUE_SIZE: |
| 373 | config->accumBlueBits = value; |
| 374 | break; |
| 375 | case GLX_ACCUM_ALPHA_SIZE: |
| 376 | config->accumAlphaBits = value; |
| 377 | break; |
| 378 | case GLX_RENDER_TYPE: |
| 379 | config->renderType = value; |
| 380 | break; |
| 381 | case GLX_DRAWABLE_TYPE: |
| 382 | config->drawableType = value; |
| 383 | break; |
| 384 | case GLX_X_VISUAL_TYPE: |
| 385 | config->visualType = value; |
| 386 | break; |
| 387 | case GLX_CONFIG_CAVEAT: |
| 388 | config->visualCaveat = value; |
| 389 | break; |
| 390 | case GLX_TRANSPARENT_TYPE: |
| 391 | config->transparentType = value; |
| 392 | break; |
| 393 | case GLX_TRANSPARENT_INDEX_VALUE: |
| 394 | config->transparentIndex = value; |
| 395 | break; |
| 396 | case GLX_TRANSPARENT_RED_VALUE: |
| 397 | config->transparentRed = value; |
| 398 | break; |
| 399 | case GLX_TRANSPARENT_GREEN_VALUE: |
| 400 | config->transparentGreen = value; |
| 401 | break; |
| 402 | case GLX_TRANSPARENT_BLUE_VALUE: |
| 403 | config->transparentBlue = value; |
| 404 | break; |
| 405 | case GLX_TRANSPARENT_ALPHA_VALUE: |
| 406 | config->transparentAlpha = value; |
| 407 | break; |
| 408 | case GLX_MAX_PBUFFER_WIDTH: |
| 409 | config->maxPbufferWidth = value; |
| 410 | break; |
| 411 | case GLX_MAX_PBUFFER_HEIGHT: |
| 412 | config->maxPbufferHeight = value; |
| 413 | break; |
| 414 | case GLX_MAX_PBUFFER_PIXELS: |
| 415 | config->maxPbufferPixels = value; |
| 416 | break; |
| 417 | case GLX_VISUAL_ID: |
| 418 | config->associatedVisualId = value; |
| 419 | break; |
| 420 | |
| 421 | /* visualSelectGroup is an internal used property */ |
| 422 | case GLX_VISUAL_SELECT_GROUP_SGIX: |
| 423 | config->visualSelectGroup = value; |
| 424 | break; |
| 425 | |
| 426 | /* SGIS_multisample attributes */ |
| 427 | case GLX_SAMPLES_SGIS: |
| 428 | config->multiSampleSize = value; |
| 429 | break; |
| 430 | case GLX_SAMPLE_BUFFERS_SGIS: |
| 431 | config->nMultiSampleBuffers = value; |
| 432 | break; |
| 433 | |
| 434 | /* SGIX_pbuffer specific attributes */ |
| 435 | case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX: |
| 436 | config->optimalPbufferWidth = value; |
| 437 | break; |
| 438 | case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX: |
| 439 | config->optimalPbufferHeight = value; |
| 440 | break; |
| 441 | |
| 442 | default: |
| 443 | /* Ignore attributes we don't recognize */ |
| 444 | break; |
| 445 | } |
| 446 | } /* for j */ |
| 447 | |
| 448 | /* Fill in derived values */ |
| 449 | config->screen = screen; |
| 450 | |
| 451 | /* The rgbMode should be true for any mode which has distinguishible |
| 452 | * R, G and B components |
| 453 | */ |
| 454 | config->rgbMode = (config->renderType |
| 455 | & (GLX_RGBA_BIT | GLX_RGBA_FLOAT_BIT_ARB |
| 456 | | GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT)) != 0; |
| 457 | config->colorIndexMode = !config->rgbMode; |
| 458 | |
| 459 | config->haveAccumBuffer = |
| 460 | config->accumRedBits > 0 || |
| 461 | config->accumGreenBits > 0 || config->accumBlueBits > 0; |
| 462 | /* Can't have alpha without color */ |
| 463 | |
| 464 | config->haveDepthBuffer = config->depthBits > 0; |
| 465 | config->haveStencilBuffer = config->stencilBits > 0; |
| 466 | |
| 467 | /* overlay visuals are not valid for now */ |
| 468 | if (!config->level) { |
| 469 | config++; |
| 470 | numValidConfigs++; |
| 471 | } |
| 472 | |
| 473 | } /* for i */ |
| 474 | UnlockDisplay(dpy); |
| 475 | |
| 476 | config = fbconfigs; |
| 477 | for (i = 0; i < numValidConfigs; i++) { |
| 478 | |
| 479 | /* XXX hack to fill-in mask info (need a better way to do this) */ |
| 480 | if (config->associatedVisualId != 0) { |
| 481 | XVisualInfo *vis, template; |
| 482 | int n; |
| 483 | |
| 484 | template.screen = screen; |
| 485 | template.visualid = config->associatedVisualId; |
| 486 | vis = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, |
| 487 | &template, &n); |
| 488 | |
| 489 | if (vis != NULL) { |
| 490 | config->redMask = (GLuint) vis->red_mask; |
| 491 | config->greenMask = (GLuint) vis->green_mask; |
| 492 | config->blueMask = (GLuint) vis->blue_mask; |
| 493 | config->alphaMask = 0; /* XXX */ |
| 494 | free(vis); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | config++; |
| 499 | } /* for i */ |
| 500 | |
| 501 | XFree(attrs); |
| 502 | SyncHandle(); |
| 503 | |
| 504 | *nconfigs = numValidConfigs; |
| 505 | return fbconfigs; |
| 506 | } |
| 507 | |
| 508 | __GLXvisualConfig * |
| 509 | GetGLXVisualConfigsFromFBConfigs(__GLXFBConfig * fbconfigs, int nfbconfigs, |
| 510 | XVisualInfo * visuals, int nvisuals, |
| 511 | __GLXvisualConfig * glxConfigs, |
| 512 | int nGlxConfigs, int *nconfigs) |
| 513 | { |
| 514 | __GLXvisualConfig *configs = NULL; |
| 515 | int i; |
| 516 | |
| 517 | if (!fbconfigs || !nfbconfigs || !nconfigs) |
| 518 | return NULL; |
| 519 | *nconfigs = 0; |
| 520 | |
| 521 | /* Allocate memory for our config structure */ |
| 522 | configs = (__GLXvisualConfig *) |
| 523 | Xmalloc(nfbconfigs * sizeof(__GLXvisualConfig)); |
| 524 | if (!configs) { |
| 525 | return NULL; |
| 526 | } |
| 527 | memset(configs, 0, nfbconfigs * sizeof(__GLXvisualConfig)); |
| 528 | |
| 529 | for (i = 0; i < nfbconfigs; i++) { |
| 530 | __GLXFBConfig *fbcfg = &fbconfigs[i]; |
| 531 | |
| 532 | if (fbcfg->associatedVisualId > 0) { |
| 533 | __GLXvisualConfig *cfg = configs + (*nconfigs); |
| 534 | int j; |
| 535 | XVisualInfo *vinfo = NULL; |
| 536 | |
| 537 | for (j = 0; j < nvisuals; j++) { |
| 538 | if (visuals[j].visualid == fbcfg->associatedVisualId) { |
| 539 | vinfo = &visuals[j]; |
| 540 | break; |
| 541 | } |
| 542 | } |
| 543 | if (!vinfo) |
| 544 | continue; |
| 545 | |
| 546 | /* skip 16 bit colormap visuals */ |
| 547 | if (vinfo->depth == 16 && |
| 548 | vinfo->class != TrueColor && vinfo->class != DirectColor) { |
| 549 | continue; |
| 550 | } |
| 551 | |
| 552 | (*nconfigs)++; |
| 553 | |
| 554 | /* |
| 555 | * if the same visualid exists in the glx configs, |
| 556 | * copy the glx attributes from the glx config |
| 557 | */ |
| 558 | for (j = 0; j < nGlxConfigs; j++) { |
| 559 | if (glxConfigs[j].vid == vinfo->visualid) |
| 560 | break; |
| 561 | } |
| 562 | if (j < nGlxConfigs) { |
| 563 | memcpy(cfg, &glxConfigs[j], sizeof(__GLXvisualConfig)); |
| 564 | continue; |
| 565 | } |
| 566 | |
| 567 | /* |
| 568 | * make glx attributes from the FB config attributes |
| 569 | */ |
| 570 | cfg->vid = fbcfg->associatedVisualId; |
| 571 | cfg->class = vinfo->class; |
| 572 | cfg->rgba = !(fbcfg->renderType & GLX_COLOR_INDEX_BIT_SGIX); |
| 573 | cfg->redSize = fbcfg->redBits; |
| 574 | cfg->greenSize = fbcfg->greenBits; |
| 575 | cfg->blueSize = fbcfg->blueBits; |
| 576 | cfg->alphaSize = fbcfg->alphaBits; |
| 577 | cfg->redMask = fbcfg->redMask; |
| 578 | cfg->greenMask = fbcfg->greenMask; |
| 579 | cfg->blueMask = fbcfg->blueMask; |
| 580 | cfg->alphaMask = fbcfg->alphaMask; |
| 581 | cfg->accumRedSize = fbcfg->accumRedBits; |
| 582 | cfg->accumGreenSize = fbcfg->accumGreenBits; |
| 583 | cfg->accumBlueSize = fbcfg->accumBlueBits; |
| 584 | cfg->accumAlphaSize = fbcfg->accumAlphaBits; |
| 585 | cfg->doubleBuffer = fbcfg->doubleBufferMode; |
| 586 | cfg->stereo = fbcfg->stereoMode; |
| 587 | if (vinfo->class == TrueColor || vinfo->class == DirectColor) { |
| 588 | cfg->bufferSize = (fbcfg->rgbMode ? (fbcfg->redBits + |
| 589 | fbcfg->greenBits + |
| 590 | fbcfg->blueBits + |
| 591 | fbcfg->alphaBits) |
| 592 | : fbcfg->indexBits); |
| 593 | } |
| 594 | else { |
| 595 | cfg->bufferSize = vinfo->depth; |
| 596 | } |
| 597 | cfg->depthSize = fbcfg->depthBits; |
| 598 | cfg->stencilSize = fbcfg->stencilBits; |
| 599 | cfg->auxBuffers = fbcfg->maxAuxBuffers; |
| 600 | cfg->level = fbcfg->level; |
| 601 | cfg->visualRating = fbcfg->visualCaveat; |
| 602 | cfg->transparentPixel = fbcfg->transparentType; |
| 603 | cfg->transparentRed = fbcfg->transparentRed; |
| 604 | cfg->transparentGreen = fbcfg->transparentGreen; |
| 605 | cfg->transparentBlue = fbcfg->transparentBlue; |
| 606 | cfg->transparentAlpha = fbcfg->transparentAlpha; |
| 607 | cfg->transparentIndex = fbcfg->transparentIndex; |
| 608 | cfg->multiSampleSize = fbcfg->multiSampleSize; |
| 609 | cfg->nMultiSampleBuffers = fbcfg->nMultiSampleBuffers; |
| 610 | cfg->visualSelectGroup = fbcfg->visualSelectGroup; |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | return configs; |
| 615 | } |