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a09e091a JB |
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 | } |