File: | glx/glxcmds.c |
Location: | line 122, column 9 |
Description: | Access to field 'class' results in a dereference of a null pointer (loaded from variable 'pVisual') |
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_H1 | |||
32 | #include <dix-config.h> | |||
33 | #endif | |||
34 | ||||
35 | #include <string.h> | |||
36 | #include <assert.h> | |||
37 | ||||
38 | #include "glxserver.h" | |||
39 | #include <GL/glxtokens.h> | |||
40 | #include <unpack.h> | |||
41 | #include <pixmapstr.h> | |||
42 | #include <windowstr.h> | |||
43 | #include "glxutil.h" | |||
44 | #include "glxext.h" | |||
45 | #include "indirect_dispatch.h" | |||
46 | #include "indirect_table.h" | |||
47 | #include "indirect_util.h" | |||
48 | ||||
49 | static char GLXServerVendorName[] = "SGI"; | |||
50 | ||||
51 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
52 | validGlxScreen(ClientPtr client, int screen, __GLXscreen ** pGlxScreen, | |||
53 | int *err) | |||
54 | { | |||
55 | /* | |||
56 | ** Check if screen exists. | |||
57 | */ | |||
58 | if (screen < 0 || screen >= screenInfo.numScreens) { | |||
59 | client->errorValue = screen; | |||
60 | *err = BadValue2; | |||
61 | return FALSE0; | |||
62 | } | |||
63 | *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); | |||
64 | ||||
65 | return TRUE1; | |||
66 | } | |||
67 | ||||
68 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
69 | validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||
70 | __GLXconfig ** config, int *err) | |||
71 | { | |||
72 | __GLXconfig *m; | |||
73 | ||||
74 | for (m = pGlxScreen->fbconfigs; m != NULL((void*)0); m = m->next) | |||
75 | if (m->fbconfigID == id) { | |||
76 | *config = m; | |||
77 | return TRUE1; | |||
78 | } | |||
79 | ||||
80 | client->errorValue = id; | |||
81 | *err = __glXError(GLXBadFBConfig9); | |||
82 | ||||
83 | return FALSE0; | |||
84 | } | |||
85 | ||||
86 | static int | |||
87 | validGlxVisual(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||
88 | __GLXconfig ** config, int *err) | |||
89 | { | |||
90 | int i; | |||
91 | ||||
92 | for (i = 0; i < pGlxScreen->numVisuals; i++) | |||
93 | if (pGlxScreen->visuals[i]->visualID == id) { | |||
94 | *config = pGlxScreen->visuals[i]; | |||
95 | return TRUE1; | |||
96 | } | |||
97 | ||||
98 | client->errorValue = id; | |||
99 | *err = BadValue2; | |||
100 | ||||
101 | return FALSE0; | |||
102 | } | |||
103 | ||||
104 | static int | |||
105 | validGlxFBConfigForWindow(ClientPtr client, __GLXconfig * config, | |||
106 | DrawablePtr pDraw, int *err) | |||
107 | { | |||
108 | ScreenPtr pScreen = pDraw->pScreen; | |||
109 | VisualPtr pVisual = NULL((void*)0); | |||
110 | XID vid; | |||
111 | int i; | |||
112 | ||||
113 | vid = wVisual((WindowPtr) pDraw)(((WindowPtr) pDraw)->optional ? ((WindowPtr) pDraw)->optional ->visual : FindWindowWithOptional((WindowPtr) pDraw)->optional ->visual); | |||
114 | for (i = 0; i < pScreen->numVisuals; i++) { | |||
115 | if (pScreen->visuals[i].vid == vid) { | |||
116 | pVisual = &pScreen->visuals[i]; | |||
117 | break; | |||
118 | } | |||
119 | } | |||
120 | ||||
121 | /* FIXME: What exactly should we check here... */ | |||
122 | if (pVisual->class != glxConvertToXVisualType(config->visualType) || | |||
| ||||
123 | !(config->drawableType & GLX_WINDOW_BIT0x00000001)) { | |||
124 | client->errorValue = pDraw->id; | |||
125 | *err = BadMatch8; | |||
126 | return FALSE0; | |||
127 | } | |||
128 | ||||
129 | return TRUE1; | |||
130 | } | |||
131 | ||||
132 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
133 | validGlxContext(ClientPtr client, XID id, int access_mode, | |||
134 | __GLXcontext ** context, int *err) | |||
135 | { | |||
136 | *err = dixLookupResourceByType((void **) context, id, | |||
137 | __glXContextRes, client, access_mode); | |||
138 | if (*err != Success0 || (*context)->idExists == GL_FALSE0x0) { | |||
139 | client->errorValue = id; | |||
140 | if (*err == BadValue2 || *err == Success0) | |||
141 | *err = __glXError(GLXBadContext0); | |||
142 | return FALSE0; | |||
143 | } | |||
144 | ||||
145 | return TRUE1; | |||
146 | } | |||
147 | ||||
148 | static int | |||
149 | validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, | |||
150 | __GLXdrawable ** drawable, int *err) | |||
151 | { | |||
152 | int rc; | |||
153 | ||||
154 | rc = dixLookupResourceByType((void **) drawable, id, | |||
155 | __glXDrawableRes, client, access_mode); | |||
156 | if (rc != Success0 && rc != BadValue2) { | |||
157 | *err = rc; | |||
158 | client->errorValue = id; | |||
159 | return FALSE0; | |||
160 | } | |||
161 | ||||
162 | /* If the ID of the glx drawable we looked up doesn't match the id | |||
163 | * we looked for, it's because we looked it up under the X | |||
164 | * drawable ID (see DoCreateGLXDrawable). */ | |||
165 | if (rc == BadValue2 || | |||
166 | (*drawable)->drawId != id || | |||
167 | (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { | |||
168 | client->errorValue = id; | |||
169 | switch (type) { | |||
170 | case GLX_DRAWABLE_WINDOW: | |||
171 | *err = __glXError(GLXBadWindow12); | |||
172 | return FALSE0; | |||
173 | case GLX_DRAWABLE_PIXMAP: | |||
174 | *err = __glXError(GLXBadPixmap3); | |||
175 | return FALSE0; | |||
176 | case GLX_DRAWABLE_PBUFFER: | |||
177 | *err = __glXError(GLXBadPbuffer10); | |||
178 | return FALSE0; | |||
179 | case GLX_DRAWABLE_ANY: | |||
180 | *err = __glXError(GLXBadDrawable2); | |||
181 | return FALSE0; | |||
182 | } | |||
183 | } | |||
184 | ||||
185 | return TRUE1; | |||
186 | } | |||
187 | ||||
188 | void | |||
189 | __glXContextDestroy(__GLXcontext * context) | |||
190 | { | |||
191 | lastGLContext = NULL((void*)0); | |||
192 | } | |||
193 | ||||
194 | static void | |||
195 | __glXdirectContextDestroy(__GLXcontext * context) | |||
196 | { | |||
197 | __glXContextDestroy(context); | |||
198 | free(context); | |||
199 | } | |||
200 | ||||
201 | static int | |||
202 | __glXdirectContextLoseCurrent(__GLXcontext * context) | |||
203 | { | |||
204 | return GL_TRUE0x1; | |||
205 | } | |||
206 | ||||
207 | _X_HIDDEN__attribute__((visibility("hidden"))) __GLXcontext * | |||
208 | __glXdirectContextCreate(__GLXscreen * screen, | |||
209 | __GLXconfig * modes, __GLXcontext * shareContext) | |||
210 | { | |||
211 | __GLXcontext *context; | |||
212 | ||||
213 | context = calloc(1, sizeof(__GLXcontext)); | |||
214 | if (context == NULL((void*)0)) | |||
215 | return NULL((void*)0); | |||
216 | ||||
217 | context->destroy = __glXdirectContextDestroy; | |||
218 | context->loseCurrent = __glXdirectContextLoseCurrent; | |||
219 | ||||
220 | return context; | |||
221 | } | |||
222 | ||||
223 | /** | |||
224 | * Create a GL context with the given properties. This routine is used | |||
225 | * to implement \c glXCreateContext, \c glXCreateNewContext, and | |||
226 | * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way | |||
227 | * that GLXFBConfigs are implemented. Basically, the FBConfigID is the | |||
228 | * same as the VisualID. | |||
229 | */ | |||
230 | ||||
231 | static int | |||
232 | DoCreateContext(__GLXclientState * cl, GLXContextID gcId, | |||
233 | GLXContextID shareList, __GLXconfig * config, | |||
234 | __GLXscreen * pGlxScreen, GLboolean isDirect) | |||
235 | { | |||
236 | ClientPtr client = cl->client; | |||
237 | __GLXcontext *glxc, *shareglxc; | |||
238 | int err; | |||
239 | ||||
240 | LEGAL_NEW_RESOURCE(gcId, client)if (!LegalNewID(gcId,client)) { client->errorValue = gcId; return 14; }; | |||
241 | ||||
242 | /* | |||
243 | ** Find the display list space that we want to share. | |||
244 | ** | |||
245 | ** NOTE: In a multithreaded X server, we would need to keep a reference | |||
246 | ** count for each display list so that if one client detroyed a list that | |||
247 | ** another client was using, the list would not really be freed until it | |||
248 | ** was no longer in use. Since this sample implementation has no support | |||
249 | ** for multithreaded servers, we don't do this. | |||
250 | */ | |||
251 | if (shareList == None0L) { | |||
252 | shareglxc = 0; | |||
253 | } | |||
254 | else { | |||
255 | if (!validGlxContext(client, shareList, DixReadAccess(1<<0), | |||
256 | &shareglxc, &err)) | |||
257 | return err; | |||
258 | ||||
259 | /* Page 26 (page 32 of the PDF) of the GLX 1.4 spec says: | |||
260 | * | |||
261 | * "The server context state for all sharing contexts must exist | |||
262 | * in a single address space or a BadMatch error is generated." | |||
263 | * | |||
264 | * If the share context is indirect, force the new context to also be | |||
265 | * indirect. If the shard context is direct but the new context | |||
266 | * cannot be direct, generate BadMatch. | |||
267 | */ | |||
268 | if (shareglxc->isDirect && !isDirect) { | |||
269 | client->errorValue = shareList; | |||
270 | return BadMatch8; | |||
271 | } | |||
272 | else if (!shareglxc->isDirect) { | |||
273 | /* | |||
274 | ** Create an indirect context regardless of what the client asked | |||
275 | ** for; this way we can share display list space with shareList. | |||
276 | */ | |||
277 | isDirect = GL_FALSE0x0; | |||
278 | } | |||
279 | } | |||
280 | ||||
281 | /* | |||
282 | ** Allocate memory for the new context | |||
283 | */ | |||
284 | if (!isDirect) { | |||
285 | /* Only allow creating indirect GLX contexts if allowed by | |||
286 | * server command line. Indirect GLX is of limited use (since | |||
287 | * it's only GL 1.4), it's slower than direct contexts, and | |||
288 | * it's a massive attack surface for buffer overflow type | |||
289 | * errors. | |||
290 | */ | |||
291 | if (!enableIndirectGLX) { | |||
292 | client->errorValue = isDirect; | |||
293 | return BadValue2; | |||
294 | } | |||
295 | ||||
296 | /* Without any attributes, the only error that the driver should be | |||
297 | * able to generate is BadAlloc. As result, just drop the error | |||
298 | * returned from the driver on the floor. | |||
299 | */ | |||
300 | glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc, | |||
301 | 0, NULL((void*)0), &err); | |||
302 | } | |||
303 | else | |||
304 | glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); | |||
305 | if (!glxc) { | |||
306 | return BadAlloc11; | |||
307 | } | |||
308 | ||||
309 | /* Initialize the GLXcontext structure. | |||
310 | */ | |||
311 | glxc->pGlxScreen = pGlxScreen; | |||
312 | glxc->config = config; | |||
313 | glxc->id = gcId; | |||
314 | glxc->share_id = shareList; | |||
315 | glxc->idExists = GL_TRUE0x1; | |||
316 | glxc->currentClient = NULL((void*)0); | |||
317 | glxc->isDirect = isDirect; | |||
318 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||
319 | glxc->renderMode = GL_RENDER0x1C00; | |||
320 | glxc->feedbackBuf = NULL((void*)0); | |||
321 | glxc->feedbackBufSize = 0; | |||
322 | glxc->selectBuf = NULL((void*)0); | |||
323 | glxc->selectBufSize = 0; | |||
324 | glxc->drawPriv = NULL((void*)0); | |||
325 | glxc->readPriv = NULL((void*)0); | |||
326 | ||||
327 | /* The GLX_ARB_create_context_robustness spec says: | |||
328 | * | |||
329 | * "The default value for GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB | |||
330 | * is GLX_NO_RESET_NOTIFICATION_ARB." | |||
331 | * | |||
332 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||
333 | * non-default reset notification strategy. | |||
334 | */ | |||
335 | glxc->resetNotificationStrategy = GLX_NO_RESET_NOTIFICATION_ARB0x8261; | |||
336 | ||||
337 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||
338 | /* The GLX_ARB_context_flush_control spec says: | |||
339 | * | |||
340 | * "The default value [for GLX_CONTEXT_RELEASE_BEHAVIOR] is | |||
341 | * CONTEXT_RELEASE_BEHAVIOR_FLUSH, and may in some cases be changed | |||
342 | * using platform-specific context creation extensions." | |||
343 | * | |||
344 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||
345 | * non-default release behavior. | |||
346 | */ | |||
347 | glxc->releaseBehavior = GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB; | |||
348 | #endif | |||
349 | ||||
350 | /* Add the new context to the various global tables of GLX contexts. | |||
351 | */ | |||
352 | if (!__glXAddContext(glxc)) { | |||
353 | (*glxc->destroy) (glxc); | |||
354 | client->errorValue = gcId; | |||
355 | return BadAlloc11; | |||
356 | } | |||
357 | ||||
358 | return Success0; | |||
359 | } | |||
360 | ||||
361 | int | |||
362 | __glXDisp_CreateContext(__GLXclientState * cl, GLbyte * pc) | |||
363 | { | |||
364 | ClientPtr client = cl->client; | |||
365 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; | |||
366 | __GLXconfig *config; | |||
367 | __GLXscreen *pGlxScreen; | |||
368 | int err; | |||
369 | ||||
370 | REQUEST_SIZE_MATCH(xGLXCreateContextReq)if ((sizeof(xGLXCreateContextReq) >> 2) != client->req_len ) return(16); | |||
371 | ||||
372 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
373 | return err; | |||
374 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||
375 | return err; | |||
376 | ||||
377 | return DoCreateContext(cl, req->context, req->shareList, | |||
378 | config, pGlxScreen, req->isDirect); | |||
379 | } | |||
380 | ||||
381 | int | |||
382 | __glXDisp_CreateNewContext(__GLXclientState * cl, GLbyte * pc) | |||
383 | { | |||
384 | ClientPtr client = cl->client; | |||
385 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; | |||
386 | __GLXconfig *config; | |||
387 | __GLXscreen *pGlxScreen; | |||
388 | int err; | |||
389 | ||||
390 | REQUEST_SIZE_MATCH(xGLXCreateNewContextReq)if ((sizeof(xGLXCreateNewContextReq) >> 2) != client-> req_len) return(16); | |||
391 | ||||
392 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
393 | return err; | |||
394 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
395 | return err; | |||
396 | ||||
397 | return DoCreateContext(cl, req->context, req->shareList, | |||
398 | config, pGlxScreen, req->isDirect); | |||
399 | } | |||
400 | ||||
401 | int | |||
402 | __glXDisp_CreateContextWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||
403 | { | |||
404 | ClientPtr client = cl->client; | |||
405 | xGLXCreateContextWithConfigSGIXReq *req = | |||
406 | (xGLXCreateContextWithConfigSGIXReq *) pc; | |||
407 | __GLXconfig *config; | |||
408 | __GLXscreen *pGlxScreen; | |||
409 | int err; | |||
410 | ||||
411 | REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq)if ((sizeof(xGLXCreateContextWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||
412 | ||||
413 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
414 | return err; | |||
415 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
416 | return err; | |||
417 | ||||
418 | return DoCreateContext(cl, req->context, req->shareList, | |||
419 | config, pGlxScreen, req->isDirect); | |||
420 | } | |||
421 | ||||
422 | int | |||
423 | __glXDisp_DestroyContext(__GLXclientState * cl, GLbyte * pc) | |||
424 | { | |||
425 | ClientPtr client = cl->client; | |||
426 | xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; | |||
427 | __GLXcontext *glxc; | |||
428 | int err; | |||
429 | ||||
430 | REQUEST_SIZE_MATCH(xGLXDestroyContextReq)if ((sizeof(xGLXDestroyContextReq) >> 2) != client-> req_len) return(16); | |||
431 | ||||
432 | if (!validGlxContext(cl->client, req->context, DixDestroyAccess(1<<2), | |||
433 | &glxc, &err)) | |||
434 | return err; | |||
435 | ||||
436 | glxc->idExists = GL_FALSE0x0; | |||
437 | if (!glxc->currentClient) | |||
438 | FreeResourceByType(req->context, __glXContextRes, FALSE0); | |||
439 | ||||
440 | return Success0; | |||
441 | } | |||
442 | ||||
443 | /* | |||
444 | * This will return "deleted" contexts, ie, where idExists is GL_FALSE. | |||
445 | * Contrast validGlxContext, which will not. We're cheating here and | |||
446 | * using the XID as the context tag, which is fine as long as we defer | |||
447 | * actually destroying the context until it's no longer referenced, and | |||
448 | * block clients from trying to MakeCurrent on contexts that are on the | |||
449 | * way to destruction. Notice that DoMakeCurrent calls validGlxContext | |||
450 | * for new contexts but __glXLookupContextByTag for previous contexts. | |||
451 | */ | |||
452 | __GLXcontext * | |||
453 | __glXLookupContextByTag(__GLXclientState * cl, GLXContextTag tag) | |||
454 | { | |||
455 | __GLXcontext *ret; | |||
456 | ||||
457 | if (dixLookupResourceByType((void **) &ret, tag, __glXContextRes, | |||
458 | cl->client, DixUseAccess(1<<24)) == Success0) | |||
459 | return ret; | |||
460 | ||||
461 | return NULL((void*)0); | |||
462 | } | |||
463 | ||||
464 | /*****************************************************************************/ | |||
465 | ||||
466 | static void | |||
467 | StopUsingContext(__GLXcontext * glxc) | |||
468 | { | |||
469 | if (glxc) { | |||
470 | glxc->currentClient = NULL((void*)0); | |||
471 | if (!glxc->idExists) { | |||
472 | FreeResourceByType(glxc->id, __glXContextRes, FALSE0); | |||
473 | } | |||
474 | } | |||
475 | } | |||
476 | ||||
477 | static void | |||
478 | StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) | |||
479 | { | |||
480 | glxc->currentClient = cl->client; | |||
481 | } | |||
482 | ||||
483 | /** | |||
484 | * This is a helper function to handle the legacy (pre GLX 1.3) cases | |||
485 | * where passing an X window to glXMakeCurrent is valid. Given a | |||
486 | * resource ID, look up the GLX drawable if available, otherwise, make | |||
487 | * sure it's an X window and create a GLX drawable one the fly. | |||
488 | */ | |||
489 | static __GLXdrawable * | |||
490 | __glXGetDrawable(__GLXcontext * glxc, GLXDrawable drawId, ClientPtr client, | |||
491 | int *error) | |||
492 | { | |||
493 | DrawablePtr pDraw; | |||
494 | __GLXdrawable *pGlxDraw; | |||
495 | int rc; | |||
496 | ||||
497 | if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||
498 | DixWriteAccess(1<<1), &pGlxDraw, &rc)) { | |||
499 | if (glxc != NULL((void*)0) && pGlxDraw->config != glxc->config) { | |||
500 | client->errorValue = drawId; | |||
501 | *error = BadMatch8; | |||
502 | return NULL((void*)0); | |||
503 | } | |||
504 | ||||
505 | return pGlxDraw; | |||
506 | } | |||
507 | ||||
508 | /* No active context and an unknown drawable, bail. */ | |||
509 | if (glxc == NULL((void*)0)) { | |||
510 | client->errorValue = drawId; | |||
511 | *error = BadMatch8; | |||
512 | return NULL((void*)0); | |||
513 | } | |||
514 | ||||
515 | /* The drawId wasn't a GLX drawable. Make sure it's a window and | |||
516 | * create a GLXWindow for it. Check that the drawable screen | |||
517 | * matches the context screen and that the context fbconfig is | |||
518 | * compatible with the window visual. */ | |||
519 | ||||
520 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess(1<<4)); | |||
521 | if (rc != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||
522 | client->errorValue = drawId; | |||
523 | *error = __glXError(GLXBadDrawable2); | |||
524 | return NULL((void*)0); | |||
525 | } | |||
526 | ||||
527 | if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { | |||
528 | client->errorValue = pDraw->pScreen->myNum; | |||
529 | *error = BadMatch8; | |||
530 | return NULL((void*)0); | |||
531 | } | |||
532 | ||||
533 | if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) | |||
534 | return NULL((void*)0); | |||
535 | ||||
536 | pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, | |||
537 | pDraw, drawId, | |||
538 | GLX_DRAWABLE_WINDOW, | |||
539 | drawId, glxc->config); | |||
540 | if (!pGlxDraw) { | |||
541 | *error = BadAlloc11; | |||
542 | return NULL((void*)0); | |||
543 | } | |||
544 | ||||
545 | /* since we are creating the drawablePrivate, drawId should be new */ | |||
546 | if (!AddResourceDarwin_X_AddResource(drawId, __glXDrawableRes, pGlxDraw)) { | |||
547 | *error = BadAlloc11; | |||
548 | return NULL((void*)0); | |||
549 | } | |||
550 | ||||
551 | return pGlxDraw; | |||
552 | } | |||
553 | ||||
554 | /*****************************************************************************/ | |||
555 | /* | |||
556 | ** Make an OpenGL context and drawable current. | |||
557 | */ | |||
558 | ||||
559 | static int | |||
560 | DoMakeCurrent(__GLXclientState * cl, | |||
561 | GLXDrawable drawId, GLXDrawable readId, | |||
562 | GLXContextID contextId, GLXContextTag tag) | |||
563 | { | |||
564 | ClientPtr client = cl->client; | |||
565 | xGLXMakeCurrentReply reply; | |||
566 | __GLXcontext *glxc, *prevglxc; | |||
567 | __GLXdrawable *drawPriv = NULL((void*)0); | |||
568 | __GLXdrawable *readPriv = NULL((void*)0); | |||
569 | int error; | |||
570 | GLuint mask; | |||
571 | ||||
572 | /* | |||
573 | ** If one is None and the other isn't, it's a bad match. | |||
574 | */ | |||
575 | ||||
576 | mask = (drawId == None0L) ? (1 << 0) : 0; | |||
577 | mask |= (readId == None0L) ? (1 << 1) : 0; | |||
578 | mask |= (contextId == None0L) ? (1 << 2) : 0; | |||
579 | ||||
580 | if ((mask != 0x00) && (mask != 0x07)) { | |||
581 | return BadMatch8; | |||
582 | } | |||
583 | ||||
584 | /* | |||
585 | ** Lookup old context. If we have one, it must be in a usable state. | |||
586 | */ | |||
587 | if (tag != 0) { | |||
588 | prevglxc = __glXLookupContextByTag(cl, tag); | |||
589 | if (!prevglxc) { | |||
590 | /* | |||
591 | ** Tag for previous context is invalid. | |||
592 | */ | |||
593 | return __glXError(GLXBadContextTag4); | |||
594 | } | |||
595 | if (prevglxc->renderMode != GL_RENDER0x1C00) { | |||
596 | /* Oops. Not in render mode render. */ | |||
597 | client->errorValue = prevglxc->id; | |||
598 | return __glXError(GLXBadContextState1); | |||
599 | } | |||
600 | } | |||
601 | else { | |||
602 | prevglxc = 0; | |||
603 | } | |||
604 | ||||
605 | /* | |||
606 | ** Lookup new context. It must not be current for someone else. | |||
607 | */ | |||
608 | if (contextId != None0L) { | |||
609 | int status; | |||
610 | ||||
611 | if (!validGlxContext(client, contextId, DixUseAccess(1<<24), &glxc, &error)) | |||
612 | return error; | |||
613 | if ((glxc != prevglxc) && glxc->currentClient) { | |||
614 | /* Context is current to somebody else */ | |||
615 | return BadAccess10; | |||
616 | } | |||
617 | ||||
618 | assert(drawId != None)(__builtin_expect(!(drawId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 618, "drawId != None") : (void)0); | |||
619 | assert(readId != None)(__builtin_expect(!(readId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 619, "readId != None") : (void)0); | |||
620 | ||||
621 | drawPriv = __glXGetDrawable(glxc, drawId, client, &status); | |||
622 | if (drawPriv == NULL((void*)0)) | |||
623 | return status; | |||
624 | ||||
625 | readPriv = __glXGetDrawable(glxc, readId, client, &status); | |||
626 | if (readPriv == NULL((void*)0)) | |||
627 | return status; | |||
628 | ||||
629 | } | |||
630 | else { | |||
631 | /* Switching to no context. Ignore new drawable. */ | |||
632 | glxc = 0; | |||
633 | drawPriv = 0; | |||
634 | readPriv = 0; | |||
635 | } | |||
636 | ||||
637 | if (prevglxc) { | |||
638 | /* | |||
639 | ** Flush the previous context if needed. | |||
640 | */ | |||
641 | Bool need_flush = GL_TRUE0x1; | |||
642 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||
643 | if (prevglxc->releaseBehavior == GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB) | |||
644 | need_flush = GL_FALSE0x0; | |||
645 | #endif | |||
646 | if (prevglxc->hasUnflushedCommands && need_flush) { | |||
647 | if (__glXForceCurrent(cl, tag, (int *) &error)) { | |||
648 | glFlush(); | |||
649 | prevglxc->hasUnflushedCommands = GL_FALSE0x0; | |||
650 | } | |||
651 | else { | |||
652 | return error; | |||
653 | } | |||
654 | } | |||
655 | ||||
656 | /* | |||
657 | ** Make the previous context not current. | |||
658 | */ | |||
659 | if (!(*prevglxc->loseCurrent) (prevglxc)) { | |||
660 | return __glXError(GLXBadContext0); | |||
661 | } | |||
662 | lastGLContext = NULL((void*)0); | |||
663 | if (!prevglxc->isDirect) { | |||
664 | prevglxc->drawPriv = NULL((void*)0); | |||
665 | prevglxc->readPriv = NULL((void*)0); | |||
666 | } | |||
667 | } | |||
668 | ||||
669 | if ((glxc != 0) && !glxc->isDirect) { | |||
670 | ||||
671 | glxc->drawPriv = drawPriv; | |||
672 | glxc->readPriv = readPriv; | |||
673 | ||||
674 | /* make the context current */ | |||
675 | lastGLContext = glxc; | |||
676 | if (!(*glxc->makeCurrent) (glxc)) { | |||
677 | lastGLContext = NULL((void*)0); | |||
678 | glxc->drawPriv = NULL((void*)0); | |||
679 | glxc->readPriv = NULL((void*)0); | |||
680 | return __glXError(GLXBadContext0); | |||
681 | } | |||
682 | ||||
683 | glxc->currentClient = client; | |||
684 | } | |||
685 | ||||
686 | StopUsingContext(prevglxc); | |||
687 | ||||
688 | reply = (xGLXMakeCurrentReply) { | |||
689 | .type = X_Reply1, | |||
690 | .sequenceNumber = client->sequence, | |||
691 | .length = 0, | |||
692 | .contextTag = 0 | |||
693 | }; | |||
694 | ||||
695 | if (glxc) { | |||
696 | StartUsingContext(cl, glxc); | |||
697 | reply.contextTag = glxc->id; | |||
698 | } | |||
699 | ||||
700 | if (client->swapped) { | |||
701 | __glXSwapMakeCurrentReply(client, &reply); | |||
702 | } | |||
703 | else { | |||
704 | WriteToClient(client, sz_xGLXMakeCurrentReply32, &reply); | |||
705 | } | |||
706 | return Success0; | |||
707 | } | |||
708 | ||||
709 | int | |||
710 | __glXDisp_MakeCurrent(__GLXclientState * cl, GLbyte * pc) | |||
711 | { | |||
712 | ClientPtr client = cl->client; | |||
713 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; | |||
714 | ||||
715 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReq)if ((sizeof(xGLXMakeCurrentReq) >> 2) != client->req_len ) return(16); | |||
716 | ||||
717 | return DoMakeCurrent(cl, req->drawable, req->drawable, | |||
718 | req->context, req->oldContextTag); | |||
719 | } | |||
720 | ||||
721 | int | |||
722 | __glXDisp_MakeContextCurrent(__GLXclientState * cl, GLbyte * pc) | |||
723 | { | |||
724 | ClientPtr client = cl->client; | |||
725 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; | |||
726 | ||||
727 | REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq)if ((sizeof(xGLXMakeContextCurrentReq) >> 2) != client-> req_len) return(16); | |||
728 | ||||
729 | return DoMakeCurrent(cl, req->drawable, req->readdrawable, | |||
730 | req->context, req->oldContextTag); | |||
731 | } | |||
732 | ||||
733 | int | |||
734 | __glXDisp_MakeCurrentReadSGI(__GLXclientState * cl, GLbyte * pc) | |||
735 | { | |||
736 | ClientPtr client = cl->client; | |||
737 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; | |||
738 | ||||
739 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq)if ((sizeof(xGLXMakeCurrentReadSGIReq) >> 2) != client-> req_len) return(16); | |||
740 | ||||
741 | return DoMakeCurrent(cl, req->drawable, req->readable, | |||
742 | req->context, req->oldContextTag); | |||
743 | } | |||
744 | ||||
745 | int | |||
746 | __glXDisp_IsDirect(__GLXclientState * cl, GLbyte * pc) | |||
747 | { | |||
748 | ClientPtr client = cl->client; | |||
749 | xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; | |||
750 | xGLXIsDirectReply reply; | |||
751 | __GLXcontext *glxc; | |||
752 | int err; | |||
753 | ||||
754 | REQUEST_SIZE_MATCH(xGLXIsDirectReq)if ((sizeof(xGLXIsDirectReq) >> 2) != client->req_len ) return(16); | |||
755 | ||||
756 | if (!validGlxContext(cl->client, req->context, DixReadAccess(1<<0), &glxc, &err)) | |||
757 | return err; | |||
758 | ||||
759 | reply = (xGLXIsDirectReply) { | |||
760 | .type = X_Reply1, | |||
761 | .sequenceNumber = client->sequence, | |||
762 | .length = 0, | |||
763 | .isDirect = glxc->isDirect | |||
764 | }; | |||
765 | ||||
766 | if (client->swapped) { | |||
767 | __glXSwapIsDirectReply(client, &reply); | |||
768 | } | |||
769 | else { | |||
770 | WriteToClient(client, sz_xGLXIsDirectReply32, &reply); | |||
771 | } | |||
772 | ||||
773 | return Success0; | |||
774 | } | |||
775 | ||||
776 | int | |||
777 | __glXDisp_QueryVersion(__GLXclientState * cl, GLbyte * pc) | |||
778 | { | |||
779 | ClientPtr client = cl->client; | |||
780 | xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; | |||
781 | xGLXQueryVersionReply reply; | |||
782 | GLuint major, minor; | |||
783 | ||||
784 | REQUEST_SIZE_MATCH(xGLXQueryVersionReq)if ((sizeof(xGLXQueryVersionReq) >> 2) != client->req_len ) return(16); | |||
785 | ||||
786 | major = req->majorVersion; | |||
787 | minor = req->minorVersion; | |||
788 | (void) major; | |||
789 | (void) minor; | |||
790 | ||||
791 | /* | |||
792 | ** Server should take into consideration the version numbers sent by the | |||
793 | ** client if it wants to work with older clients; however, in this | |||
794 | ** implementation the server just returns its version number. | |||
795 | */ | |||
796 | reply = (xGLXQueryVersionReply) { | |||
797 | .type = X_Reply1, | |||
798 | .sequenceNumber = client->sequence, | |||
799 | .length = 0, | |||
800 | .majorVersion = glxMajorVersion, | |||
801 | .minorVersion = glxMinorVersion | |||
802 | }; | |||
803 | ||||
804 | if (client->swapped) { | |||
805 | __glXSwapQueryVersionReply(client, &reply); | |||
806 | } | |||
807 | else { | |||
808 | WriteToClient(client, sz_xGLXQueryVersionReply32, &reply); | |||
809 | } | |||
810 | return Success0; | |||
811 | } | |||
812 | ||||
813 | int | |||
814 | __glXDisp_WaitGL(__GLXclientState * cl, GLbyte * pc) | |||
815 | { | |||
816 | ClientPtr client = cl->client; | |||
817 | xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; | |||
818 | GLXContextTag tag; | |||
819 | __GLXcontext *glxc = NULL((void*)0); | |||
820 | int error; | |||
821 | ||||
822 | REQUEST_SIZE_MATCH(xGLXWaitGLReq)if ((sizeof(xGLXWaitGLReq) >> 2) != client->req_len) return(16); | |||
823 | ||||
824 | tag = req->contextTag; | |||
825 | if (tag) { | |||
826 | glxc = __glXLookupContextByTag(cl, tag); | |||
827 | if (!glxc) | |||
828 | return __glXError(GLXBadContextTag4); | |||
829 | ||||
830 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||
831 | return error; | |||
832 | ||||
833 | glFinish(); | |||
834 | } | |||
835 | ||||
836 | if (glxc && glxc->drawPriv->waitGL) | |||
837 | (*glxc->drawPriv->waitGL) (glxc->drawPriv); | |||
838 | ||||
839 | return Success0; | |||
840 | } | |||
841 | ||||
842 | int | |||
843 | __glXDisp_WaitX(__GLXclientState * cl, GLbyte * pc) | |||
844 | { | |||
845 | ClientPtr client = cl->client; | |||
846 | xGLXWaitXReq *req = (xGLXWaitXReq *) pc; | |||
847 | GLXContextTag tag; | |||
848 | __GLXcontext *glxc = NULL((void*)0); | |||
849 | int error; | |||
850 | ||||
851 | REQUEST_SIZE_MATCH(xGLXWaitXReq)if ((sizeof(xGLXWaitXReq) >> 2) != client->req_len) return (16); | |||
852 | ||||
853 | tag = req->contextTag; | |||
854 | if (tag) { | |||
855 | glxc = __glXLookupContextByTag(cl, tag); | |||
856 | if (!glxc) | |||
857 | return __glXError(GLXBadContextTag4); | |||
858 | ||||
859 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||
860 | return error; | |||
861 | } | |||
862 | ||||
863 | if (glxc && glxc->drawPriv->waitX) | |||
864 | (*glxc->drawPriv->waitX) (glxc->drawPriv); | |||
865 | ||||
866 | return Success0; | |||
867 | } | |||
868 | ||||
869 | int | |||
870 | __glXDisp_CopyContext(__GLXclientState * cl, GLbyte * pc) | |||
871 | { | |||
872 | ClientPtr client = cl->client; | |||
873 | xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; | |||
874 | GLXContextID source; | |||
875 | GLXContextID dest; | |||
876 | GLXContextTag tag; | |||
877 | unsigned long mask; | |||
878 | __GLXcontext *src, *dst; | |||
879 | int error; | |||
880 | ||||
881 | REQUEST_SIZE_MATCH(xGLXCopyContextReq)if ((sizeof(xGLXCopyContextReq) >> 2) != client->req_len ) return(16); | |||
882 | ||||
883 | source = req->source; | |||
884 | dest = req->dest; | |||
885 | tag = req->contextTag; | |||
886 | mask = req->mask; | |||
887 | if (!validGlxContext(cl->client, source, DixReadAccess(1<<0), &src, &error)) | |||
888 | return error; | |||
889 | if (!validGlxContext(cl->client, dest, DixWriteAccess(1<<1), &dst, &error)) | |||
890 | return error; | |||
891 | ||||
892 | /* | |||
893 | ** They must be in the same address space, and same screen. | |||
894 | ** NOTE: no support for direct rendering contexts here. | |||
895 | */ | |||
896 | if (src->isDirect || dst->isDirect || (src->pGlxScreen != dst->pGlxScreen)) { | |||
897 | client->errorValue = source; | |||
898 | return BadMatch8; | |||
899 | } | |||
900 | ||||
901 | /* | |||
902 | ** The destination context must not be current for any client. | |||
903 | */ | |||
904 | if (dst->currentClient) { | |||
905 | client->errorValue = dest; | |||
906 | return BadAccess10; | |||
907 | } | |||
908 | ||||
909 | if (tag) { | |||
910 | __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); | |||
911 | ||||
912 | if (!tagcx) { | |||
913 | return __glXError(GLXBadContextTag4); | |||
914 | } | |||
915 | if (tagcx != src) { | |||
916 | /* | |||
917 | ** This would be caused by a faulty implementation of the client | |||
918 | ** library. | |||
919 | */ | |||
920 | return BadMatch8; | |||
921 | } | |||
922 | /* | |||
923 | ** In this case, glXCopyContext is in both GL and X streams, in terms | |||
924 | ** of sequentiality. | |||
925 | */ | |||
926 | if (__glXForceCurrent(cl, tag, &error)) { | |||
927 | /* | |||
928 | ** Do whatever is needed to make sure that all preceding requests | |||
929 | ** in both streams are completed before the copy is executed. | |||
930 | */ | |||
931 | glFinish(); | |||
932 | tagcx->hasUnflushedCommands = GL_FALSE0x0; | |||
933 | } | |||
934 | else { | |||
935 | return error; | |||
936 | } | |||
937 | } | |||
938 | /* | |||
939 | ** Issue copy. The only reason for failure is a bad mask. | |||
940 | */ | |||
941 | if (!(*dst->copy) (dst, src, mask)) { | |||
942 | client->errorValue = mask; | |||
943 | return BadValue2; | |||
944 | } | |||
945 | return Success0; | |||
946 | } | |||
947 | ||||
948 | enum { | |||
949 | GLX_VIS_CONFIG_UNPAIRED = 18, | |||
950 | GLX_VIS_CONFIG_PAIRED = 22 | |||
951 | }; | |||
952 | ||||
953 | enum { | |||
954 | GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED | |||
955 | }; | |||
956 | ||||
957 | int | |||
958 | __glXDisp_GetVisualConfigs(__GLXclientState * cl, GLbyte * pc) | |||
959 | { | |||
960 | xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; | |||
961 | ClientPtr client = cl->client; | |||
962 | xGLXGetVisualConfigsReply reply; | |||
963 | __GLXscreen *pGlxScreen; | |||
964 | __GLXconfig *modes; | |||
965 | CARD32 buf[GLX_VIS_CONFIG_TOTAL]; | |||
966 | int p, i, err; | |||
967 | ||||
968 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
969 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||
970 | ||||
971 | REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq)if ((sizeof(xGLXGetVisualConfigsReq) >> 2) != client-> req_len) return(16); | |||
972 | ||||
973 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
974 | return err; | |||
975 | ||||
976 | reply = (xGLXGetVisualConfigsReply) { | |||
977 | .type = X_Reply1, | |||
978 | .sequenceNumber = client->sequence, | |||
979 | .length = (pGlxScreen->numVisuals * | |||
980 | __GLX_SIZE_CARD324 * GLX_VIS_CONFIG_TOTAL) >> 2, | |||
981 | .numVisuals = pGlxScreen->numVisuals, | |||
982 | .numProps = GLX_VIS_CONFIG_TOTAL | |||
983 | }; | |||
984 | ||||
985 | if (client->swapped) { | |||
986 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||
987 | __GLX_SWAP_INT(&reply.length)sw = ((GLbyte *)(&reply.length))[0]; ((GLbyte *)(&reply .length))[0] = ((GLbyte *)(&reply.length))[3]; ((GLbyte * )(&reply.length))[3] = sw; sw = ((GLbyte *)(&reply.length ))[1]; ((GLbyte *)(&reply.length))[1] = ((GLbyte *)(& reply.length))[2]; ((GLbyte *)(&reply.length))[2] = sw;; | |||
988 | __GLX_SWAP_INT(&reply.numVisuals)sw = ((GLbyte *)(&reply.numVisuals))[0]; ((GLbyte *)(& reply.numVisuals))[0] = ((GLbyte *)(&reply.numVisuals))[3 ]; ((GLbyte *)(&reply.numVisuals))[3] = sw; sw = ((GLbyte *)(&reply.numVisuals))[1]; ((GLbyte *)(&reply.numVisuals ))[1] = ((GLbyte *)(&reply.numVisuals))[2]; ((GLbyte *)(& reply.numVisuals))[2] = sw;; | |||
989 | __GLX_SWAP_INT(&reply.numProps)sw = ((GLbyte *)(&reply.numProps))[0]; ((GLbyte *)(&reply .numProps))[0] = ((GLbyte *)(&reply.numProps))[3]; ((GLbyte *)(&reply.numProps))[3] = sw; sw = ((GLbyte *)(&reply .numProps))[1]; ((GLbyte *)(&reply.numProps))[1] = ((GLbyte *)(&reply.numProps))[2]; ((GLbyte *)(&reply.numProps ))[2] = sw;; | |||
990 | } | |||
991 | ||||
992 | WriteToClient(client, sz_xGLXGetVisualConfigsReply32, &reply); | |||
993 | ||||
994 | for (i = 0; i < pGlxScreen->numVisuals; i++) { | |||
995 | modes = pGlxScreen->visuals[i]; | |||
996 | ||||
997 | p = 0; | |||
998 | buf[p++] = modes->visualID; | |||
999 | buf[p++] = glxConvertToXVisualType(modes->visualType); | |||
1000 | buf[p++] = (modes->renderType & GLX_RGBA_BIT0x00000001) ? GL_TRUE0x1 : GL_FALSE0x0; | |||
1001 | ||||
1002 | buf[p++] = modes->redBits; | |||
1003 | buf[p++] = modes->greenBits; | |||
1004 | buf[p++] = modes->blueBits; | |||
1005 | buf[p++] = modes->alphaBits; | |||
1006 | buf[p++] = modes->accumRedBits; | |||
1007 | buf[p++] = modes->accumGreenBits; | |||
1008 | buf[p++] = modes->accumBlueBits; | |||
1009 | buf[p++] = modes->accumAlphaBits; | |||
1010 | ||||
1011 | buf[p++] = modes->doubleBufferMode; | |||
1012 | buf[p++] = modes->stereoMode; | |||
1013 | ||||
1014 | buf[p++] = modes->rgbBits; | |||
1015 | buf[p++] = modes->depthBits; | |||
1016 | buf[p++] = modes->stencilBits; | |||
1017 | buf[p++] = modes->numAuxBuffers; | |||
1018 | buf[p++] = modes->level; | |||
1019 | ||||
1020 | assert(p == GLX_VIS_CONFIG_UNPAIRED)(__builtin_expect(!(p == GLX_VIS_CONFIG_UNPAIRED), 0) ? __assert_rtn (__func__, "glxcmds.c", 1020, "p == GLX_VIS_CONFIG_UNPAIRED") : (void)0); | |||
1021 | /* | |||
1022 | ** Add token/value pairs for extensions. | |||
1023 | */ | |||
1024 | buf[p++] = GLX_VISUAL_CAVEAT_EXT0x20; | |||
1025 | buf[p++] = modes->visualRating; | |||
1026 | buf[p++] = GLX_TRANSPARENT_TYPE0x23; | |||
1027 | buf[p++] = modes->transparentPixel; | |||
1028 | buf[p++] = GLX_TRANSPARENT_RED_VALUE0x25; | |||
1029 | buf[p++] = modes->transparentRed; | |||
1030 | buf[p++] = GLX_TRANSPARENT_GREEN_VALUE0x26; | |||
1031 | buf[p++] = modes->transparentGreen; | |||
1032 | buf[p++] = GLX_TRANSPARENT_BLUE_VALUE0x27; | |||
1033 | buf[p++] = modes->transparentBlue; | |||
1034 | buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE0x28; | |||
1035 | buf[p++] = modes->transparentAlpha; | |||
1036 | buf[p++] = GLX_TRANSPARENT_INDEX_VALUE0x24; | |||
1037 | buf[p++] = modes->transparentIndex; | |||
1038 | buf[p++] = GLX_SAMPLES_SGIS100001; | |||
1039 | buf[p++] = modes->samples; | |||
1040 | buf[p++] = GLX_SAMPLE_BUFFERS_SGIS100000; | |||
1041 | buf[p++] = modes->sampleBuffers; | |||
1042 | /* Add attribute only if its value is not default. */ | |||
1043 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||
1044 | buf[p++] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT0x20B2; | |||
1045 | buf[p++] = modes->sRGBCapable; | |||
1046 | } | |||
1047 | /* Don't add visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? | |||
1048 | * Pad the remaining place with zeroes, so that attributes count is constant. */ | |||
1049 | while (p < GLX_VIS_CONFIG_TOTAL) { | |||
1050 | buf[p++] = 0; | |||
1051 | buf[p++] = 0; | |||
1052 | } | |||
1053 | ||||
1054 | assert(p == GLX_VIS_CONFIG_TOTAL)(__builtin_expect(!(p == GLX_VIS_CONFIG_TOTAL), 0) ? __assert_rtn (__func__, "glxcmds.c", 1054, "p == GLX_VIS_CONFIG_TOTAL") : ( void)0); | |||
1055 | if (client->swapped) { | |||
1056 | __GLX_SWAP_INT_ARRAY(buf, p)swapPC = ((GLbyte *)(buf)); swapEnd = ((GLbyte *)(buf)) + (p) *4; while (swapPC < swapEnd) { sw = ((GLbyte *)(swapPC))[0 ]; ((GLbyte *)(swapPC))[0] = ((GLbyte *)(swapPC))[3]; ((GLbyte *)(swapPC))[3] = sw; sw = ((GLbyte *)(swapPC))[1]; ((GLbyte * )(swapPC))[1] = ((GLbyte *)(swapPC))[2]; ((GLbyte *)(swapPC)) [2] = sw;; swapPC += 4; }; | |||
1057 | } | |||
1058 | WriteToClient(client, __GLX_SIZE_CARD324 * p, buf); | |||
1059 | } | |||
1060 | return Success0; | |||
1061 | } | |||
1062 | ||||
1063 | #define __GLX_TOTAL_FBCONFIG_ATTRIBS(44) (44) | |||
1064 | #define __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) (__GLX_TOTAL_FBCONFIG_ATTRIBS(44) * 2) | |||
1065 | /** | |||
1066 | * Send the set of GLXFBConfigs to the client. There is not currently | |||
1067 | * and interface into the driver on the server-side to get GLXFBConfigs, | |||
1068 | * so we "invent" some based on the \c __GLXvisualConfig structures that | |||
1069 | * the driver does supply. | |||
1070 | * | |||
1071 | * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX | |||
1072 | * is the same, so this routine pulls double duty. | |||
1073 | */ | |||
1074 | ||||
1075 | static int | |||
1076 | DoGetFBConfigs(__GLXclientState * cl, unsigned screen) | |||
1077 | { | |||
1078 | ClientPtr client = cl->client; | |||
1079 | xGLXGetFBConfigsReply reply; | |||
1080 | __GLXscreen *pGlxScreen; | |||
1081 | CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)]; | |||
1082 | int p, err; | |||
1083 | __GLXconfig *modes; | |||
1084 | ||||
1085 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
1086 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||
1087 | ||||
1088 | if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) | |||
1089 | return err; | |||
1090 | ||||
1091 | reply = (xGLXGetFBConfigsReply) { | |||
1092 | .type = X_Reply1, | |||
1093 | .sequenceNumber = client->sequence, | |||
1094 | .length = __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) * pGlxScreen->numFBConfigs, | |||
1095 | .numFBConfigs = pGlxScreen->numFBConfigs, | |||
1096 | .numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS(44) | |||
1097 | }; | |||
1098 | ||||
1099 | if (client->swapped) { | |||
1100 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||
1101 | __GLX_SWAP_INT(&reply.length)sw = ((GLbyte *)(&reply.length))[0]; ((GLbyte *)(&reply .length))[0] = ((GLbyte *)(&reply.length))[3]; ((GLbyte * )(&reply.length))[3] = sw; sw = ((GLbyte *)(&reply.length ))[1]; ((GLbyte *)(&reply.length))[1] = ((GLbyte *)(& reply.length))[2]; ((GLbyte *)(&reply.length))[2] = sw;; | |||
1102 | __GLX_SWAP_INT(&reply.numFBConfigs)sw = ((GLbyte *)(&reply.numFBConfigs))[0]; ((GLbyte *)(& reply.numFBConfigs))[0] = ((GLbyte *)(&reply.numFBConfigs ))[3]; ((GLbyte *)(&reply.numFBConfigs))[3] = sw; sw = (( GLbyte *)(&reply.numFBConfigs))[1]; ((GLbyte *)(&reply .numFBConfigs))[1] = ((GLbyte *)(&reply.numFBConfigs))[2] ; ((GLbyte *)(&reply.numFBConfigs))[2] = sw;; | |||
1103 | __GLX_SWAP_INT(&reply.numAttribs)sw = ((GLbyte *)(&reply.numAttribs))[0]; ((GLbyte *)(& reply.numAttribs))[0] = ((GLbyte *)(&reply.numAttribs))[3 ]; ((GLbyte *)(&reply.numAttribs))[3] = sw; sw = ((GLbyte *)(&reply.numAttribs))[1]; ((GLbyte *)(&reply.numAttribs ))[1] = ((GLbyte *)(&reply.numAttribs))[2]; ((GLbyte *)(& reply.numAttribs))[2] = sw;; | |||
1104 | } | |||
1105 | ||||
1106 | WriteToClient(client, sz_xGLXGetFBConfigsReply32, &reply); | |||
1107 | ||||
1108 | for (modes = pGlxScreen->fbconfigs; modes != NULL((void*)0); modes = modes->next) { | |||
1109 | p = 0; | |||
1110 | ||||
1111 | #define WRITE_PAIR(tag,value)do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) \ | |||
1112 | do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) | |||
1113 | ||||
1114 | WRITE_PAIR(GLX_VISUAL_ID, modes->visualID)do { buf[p++] = 0x800B ; buf[p++] = modes->visualID ; } while ( 0 ); | |||
1115 | WRITE_PAIR(GLX_FBCONFIG_ID, modes->fbconfigID)do { buf[p++] = 0x8013 ; buf[p++] = modes->fbconfigID ; } while ( 0 ); | |||
1116 | WRITE_PAIR(GLX_X_RENDERABLE, GL_TRUE)do { buf[p++] = 0x8012 ; buf[p++] = 0x1 ; } while( 0 ); | |||
1117 | ||||
1118 | WRITE_PAIR(GLX_RGBA,do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ) | |||
1119 | (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE)do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ); | |||
1120 | WRITE_PAIR(GLX_RENDER_TYPE, modes->renderType)do { buf[p++] = 0x8011 ; buf[p++] = modes->renderType ; } while ( 0 ); | |||
1121 | WRITE_PAIR(GLX_DOUBLEBUFFER, modes->doubleBufferMode)do { buf[p++] = 5 ; buf[p++] = modes->doubleBufferMode ; } while( 0 ); | |||
1122 | WRITE_PAIR(GLX_STEREO, modes->stereoMode)do { buf[p++] = 6 ; buf[p++] = modes->stereoMode ; } while ( 0 ); | |||
1123 | ||||
1124 | WRITE_PAIR(GLX_BUFFER_SIZE, modes->rgbBits)do { buf[p++] = 2 ; buf[p++] = modes->rgbBits ; } while( 0 ); | |||
1125 | WRITE_PAIR(GLX_LEVEL, modes->level)do { buf[p++] = 3 ; buf[p++] = modes->level ; } while( 0 ); | |||
1126 | WRITE_PAIR(GLX_AUX_BUFFERS, modes->numAuxBuffers)do { buf[p++] = 7 ; buf[p++] = modes->numAuxBuffers ; } while ( 0 ); | |||
1127 | WRITE_PAIR(GLX_RED_SIZE, modes->redBits)do { buf[p++] = 8 ; buf[p++] = modes->redBits ; } while( 0 ); | |||
1128 | WRITE_PAIR(GLX_GREEN_SIZE, modes->greenBits)do { buf[p++] = 9 ; buf[p++] = modes->greenBits ; } while( 0 ); | |||
1129 | WRITE_PAIR(GLX_BLUE_SIZE, modes->blueBits)do { buf[p++] = 10 ; buf[p++] = modes->blueBits ; } while( 0 ); | |||
1130 | WRITE_PAIR(GLX_ALPHA_SIZE, modes->alphaBits)do { buf[p++] = 11 ; buf[p++] = modes->alphaBits ; } while ( 0 ); | |||
1131 | WRITE_PAIR(GLX_ACCUM_RED_SIZE, modes->accumRedBits)do { buf[p++] = 14 ; buf[p++] = modes->accumRedBits ; } while ( 0 ); | |||
1132 | WRITE_PAIR(GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits)do { buf[p++] = 15 ; buf[p++] = modes->accumGreenBits ; } while ( 0 ); | |||
1133 | WRITE_PAIR(GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits)do { buf[p++] = 16 ; buf[p++] = modes->accumBlueBits ; } while ( 0 ); | |||
1134 | WRITE_PAIR(GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits)do { buf[p++] = 17 ; buf[p++] = modes->accumAlphaBits ; } while ( 0 ); | |||
1135 | WRITE_PAIR(GLX_DEPTH_SIZE, modes->depthBits)do { buf[p++] = 12 ; buf[p++] = modes->depthBits ; } while ( 0 ); | |||
1136 | WRITE_PAIR(GLX_STENCIL_SIZE, modes->stencilBits)do { buf[p++] = 13 ; buf[p++] = modes->stencilBits ; } while ( 0 ); | |||
1137 | WRITE_PAIR(GLX_X_VISUAL_TYPE, modes->visualType)do { buf[p++] = 0x22 ; buf[p++] = modes->visualType ; } while ( 0 ); | |||
1138 | WRITE_PAIR(GLX_CONFIG_CAVEAT, modes->visualRating)do { buf[p++] = 0x20 ; buf[p++] = modes->visualRating ; } while ( 0 ); | |||
1139 | WRITE_PAIR(GLX_TRANSPARENT_TYPE, modes->transparentPixel)do { buf[p++] = 0x23 ; buf[p++] = modes->transparentPixel ; } while( 0 ); | |||
1140 | WRITE_PAIR(GLX_TRANSPARENT_RED_VALUE, modes->transparentRed)do { buf[p++] = 0x25 ; buf[p++] = modes->transparentRed ; } while( 0 ); | |||
1141 | WRITE_PAIR(GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen)do { buf[p++] = 0x26 ; buf[p++] = modes->transparentGreen ; } while( 0 ); | |||
1142 | WRITE_PAIR(GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue)do { buf[p++] = 0x27 ; buf[p++] = modes->transparentBlue ; } while( 0 ); | |||
1143 | WRITE_PAIR(GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha)do { buf[p++] = 0x28 ; buf[p++] = modes->transparentAlpha ; } while( 0 ); | |||
1144 | WRITE_PAIR(GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex)do { buf[p++] = 0x24 ; buf[p++] = modes->transparentIndex ; } while( 0 ); | |||
1145 | WRITE_PAIR(GLX_SWAP_METHOD_OML, modes->swapMethod)do { buf[p++] = 0x8060 ; buf[p++] = modes->swapMethod ; } while ( 0 ); | |||
1146 | WRITE_PAIR(GLX_SAMPLES_SGIS, modes->samples)do { buf[p++] = 100001 ; buf[p++] = modes->samples ; } while ( 0 ); | |||
1147 | WRITE_PAIR(GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers)do { buf[p++] = 100000 ; buf[p++] = modes->sampleBuffers ; } while( 0 ); | |||
1148 | WRITE_PAIR(GLX_VISUAL_SELECT_GROUP_SGIX, modes->visualSelectGroup)do { buf[p++] = 0x8028 ; buf[p++] = modes->visualSelectGroup ; } while( 0 ); | |||
1149 | WRITE_PAIR(GLX_DRAWABLE_TYPE, modes->drawableType)do { buf[p++] = 0x8010 ; buf[p++] = modes->drawableType ; } while( 0 ); | |||
1150 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb)do { buf[p++] = 0x20D0 ; buf[p++] = modes->bindToTextureRgb ; } while( 0 ); | |||
1151 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba)do { buf[p++] = 0x20D1 ; buf[p++] = modes->bindToTextureRgba ; } while( 0 ); | |||
1152 | WRITE_PAIR(GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture)do { buf[p++] = 0x20D2 ; buf[p++] = modes->bindToMipmapTexture ; } while( 0 ); | |||
1153 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_TARGETS_EXT,do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ) | |||
1154 | modes->bindToTextureTargets)do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ); | |||
1155 | /* can't report honestly until mesa is fixed */ | |||
1156 | WRITE_PAIR(GLX_Y_INVERTED_EXT, GLX_DONT_CARE)do { buf[p++] = 0x20D4 ; buf[p++] = 0xFFFFFFFF ; } while( 0 ); | |||
1157 | if (modes->drawableType & GLX_PBUFFER_BIT0x00000004) { | |||
1158 | WRITE_PAIR(GLX_MAX_PBUFFER_WIDTH, modes->maxPbufferWidth)do { buf[p++] = 0x8016 ; buf[p++] = modes->maxPbufferWidth ; } while( 0 ); | |||
1159 | WRITE_PAIR(GLX_MAX_PBUFFER_HEIGHT, modes->maxPbufferHeight)do { buf[p++] = 0x8017 ; buf[p++] = modes->maxPbufferHeight ; } while( 0 ); | |||
1160 | WRITE_PAIR(GLX_MAX_PBUFFER_PIXELS, modes->maxPbufferPixels)do { buf[p++] = 0x8018 ; buf[p++] = modes->maxPbufferPixels ; } while( 0 ); | |||
1161 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_WIDTH_SGIX,do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ) | |||
1162 | modes->optimalPbufferWidth)do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ); | |||
1163 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX,do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ) | |||
1164 | modes->optimalPbufferHeight)do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ); | |||
1165 | } | |||
1166 | /* Add attribute only if its value is not default. */ | |||
1167 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||
1168 | WRITE_PAIR(GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, modes->sRGBCapable)do { buf[p++] = 0x20B2 ; buf[p++] = modes->sRGBCapable ; } while( 0 ); | |||
1169 | } | |||
1170 | /* Pad the remaining place with zeroes, so that attributes count is constant. */ | |||
1171 | while (p < __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)) { | |||
1172 | WRITE_PAIR(0, 0)do { buf[p++] = 0 ; buf[p++] = 0 ; } while( 0 ); | |||
1173 | } | |||
1174 | assert(p == __GLX_FBCONFIG_ATTRIBS_LENGTH)(__builtin_expect(!(p == ((44) * 2)), 0) ? __assert_rtn(__func__ , "glxcmds.c", 1174, "p == __GLX_FBCONFIG_ATTRIBS_LENGTH") : ( void)0); | |||
1175 | ||||
1176 | if (client->swapped) { | |||
1177 | __GLX_SWAP_INT_ARRAY(buf, __GLX_FBCONFIG_ATTRIBS_LENGTH)swapPC = ((GLbyte *)(buf)); swapEnd = ((GLbyte *)(buf)) + ((( 44) * 2))*4; while (swapPC < swapEnd) { sw = ((GLbyte *)(swapPC ))[0]; ((GLbyte *)(swapPC))[0] = ((GLbyte *)(swapPC))[3]; ((GLbyte *)(swapPC))[3] = sw; sw = ((GLbyte *)(swapPC))[1]; ((GLbyte * )(swapPC))[1] = ((GLbyte *)(swapPC))[2]; ((GLbyte *)(swapPC)) [2] = sw;; swapPC += 4; }; | |||
1178 | } | |||
1179 | WriteToClient(client, __GLX_SIZE_CARD324 * __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2), | |||
1180 | (char *) buf); | |||
1181 | } | |||
1182 | return Success0; | |||
1183 | } | |||
1184 | ||||
1185 | int | |||
1186 | __glXDisp_GetFBConfigs(__GLXclientState * cl, GLbyte * pc) | |||
1187 | { | |||
1188 | ClientPtr client = cl->client; | |||
1189 | xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; | |||
1190 | ||||
1191 | REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq)if ((sizeof(xGLXGetFBConfigsReq) >> 2) != client->req_len ) return(16); | |||
1192 | return DoGetFBConfigs(cl, req->screen); | |||
1193 | } | |||
1194 | ||||
1195 | int | |||
1196 | __glXDisp_GetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1197 | { | |||
1198 | ClientPtr client = cl->client; | |||
1199 | xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; | |||
1200 | ||||
1201 | /* work around mesa bug, don't use REQUEST_SIZE_MATCH */ | |||
1202 | REQUEST_AT_LEAST_SIZE(xGLXGetFBConfigsSGIXReq)if ((sizeof(xGLXGetFBConfigsSGIXReq) >> 2) > client-> req_len ) return(16); | |||
1203 | return DoGetFBConfigs(cl, req->screen); | |||
1204 | } | |||
1205 | ||||
1206 | GLboolean | |||
1207 | __glXDrawableInit(__GLXdrawable * drawable, | |||
1208 | __GLXscreen * screen, DrawablePtr pDraw, int type, | |||
1209 | XID drawId, __GLXconfig * config) | |||
1210 | { | |||
1211 | drawable->pDraw = pDraw; | |||
1212 | drawable->type = type; | |||
1213 | drawable->drawId = drawId; | |||
1214 | drawable->config = config; | |||
1215 | drawable->eventMask = 0; | |||
1216 | ||||
1217 | return GL_TRUE0x1; | |||
1218 | } | |||
1219 | ||||
1220 | void | |||
1221 | __glXDrawableRelease(__GLXdrawable * drawable) | |||
1222 | { | |||
1223 | } | |||
1224 | ||||
1225 | static int | |||
1226 | DoCreateGLXDrawable(ClientPtr client, __GLXscreen * pGlxScreen, | |||
1227 | __GLXconfig * config, DrawablePtr pDraw, XID drawableId, | |||
1228 | XID glxDrawableId, int type) | |||
1229 | { | |||
1230 | __GLXdrawable *pGlxDraw; | |||
1231 | ||||
1232 | if (pGlxScreen->pScreen != pDraw->pScreen) | |||
1233 | return BadMatch8; | |||
1234 | ||||
1235 | pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, | |||
1236 | drawableId, type, | |||
1237 | glxDrawableId, config); | |||
1238 | if (pGlxDraw == NULL((void*)0)) | |||
1239 | return BadAlloc11; | |||
1240 | ||||
1241 | if (!AddResourceDarwin_X_AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) | |||
1242 | return BadAlloc11; | |||
1243 | ||||
1244 | /* | |||
1245 | * Windows aren't refcounted, so track both the X and the GLX window | |||
1246 | * so we get called regardless of destruction order. | |||
1247 | */ | |||
1248 | if (drawableId != glxDrawableId && type == GLX_DRAWABLE_WINDOW && | |||
1249 | !AddResourceDarwin_X_AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) | |||
1250 | return BadAlloc11; | |||
1251 | ||||
1252 | return Success0; | |||
1253 | } | |||
1254 | ||||
1255 | static int | |||
1256 | DoCreateGLXPixmap(ClientPtr client, __GLXscreen * pGlxScreen, | |||
1257 | __GLXconfig * config, XID drawableId, XID glxDrawableId) | |||
1258 | { | |||
1259 | DrawablePtr pDraw; | |||
1260 | int err; | |||
1261 | ||||
1262 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||
1263 | ||||
1264 | err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess(1<<12)); | |||
1265 | if (err != Success0) { | |||
1266 | client->errorValue = drawableId; | |||
1267 | return err; | |||
1268 | } | |||
1269 | if (pDraw->type != DRAWABLE_PIXMAP1) { | |||
1270 | client->errorValue = drawableId; | |||
1271 | return BadPixmap4; | |||
1272 | } | |||
1273 | ||||
1274 | err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, | |||
1275 | glxDrawableId, GLX_DRAWABLE_PIXMAP); | |||
1276 | ||||
1277 | if (err == Success0) | |||
1278 | ((PixmapPtr) pDraw)->refcnt++; | |||
1279 | ||||
1280 | return err; | |||
1281 | } | |||
1282 | ||||
1283 | static void | |||
1284 | determineTextureTarget(ClientPtr client, XID glxDrawableID, | |||
1285 | CARD32 *attribs, CARD32 numAttribs) | |||
1286 | { | |||
1287 | GLenum target = 0; | |||
1288 | GLenum format = 0; | |||
1289 | int i, err; | |||
1290 | __GLXdrawable *pGlxDraw; | |||
1291 | ||||
1292 | if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, | |||
1293 | DixWriteAccess(1<<1), &pGlxDraw, &err)) | |||
1294 | /* We just added it in CreatePixmap, so we should never get here. */ | |||
1295 | return; | |||
1296 | ||||
1297 | for (i = 0; i < numAttribs; i++) { | |||
1298 | if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT0x20D6) { | |||
1299 | switch (attribs[2 * i + 1]) { | |||
1300 | case GLX_TEXTURE_2D_EXT0x20DC: | |||
1301 | target = GL_TEXTURE_2D0x0DE1; | |||
1302 | break; | |||
1303 | case GLX_TEXTURE_RECTANGLE_EXT0x20DD: | |||
1304 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||
1305 | break; | |||
1306 | } | |||
1307 | } | |||
1308 | ||||
1309 | if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT0x20D5) | |||
1310 | format = attribs[2 * i + 1]; | |||
1311 | } | |||
1312 | ||||
1313 | if (!target) { | |||
1314 | int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; | |||
1315 | ||||
1316 | if (h & (h - 1) || w & (w - 1)) | |||
1317 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||
1318 | else | |||
1319 | target = GL_TEXTURE_2D0x0DE1; | |||
1320 | } | |||
1321 | ||||
1322 | pGlxDraw->target = target; | |||
1323 | pGlxDraw->format = format; | |||
1324 | } | |||
1325 | ||||
1326 | int | |||
1327 | __glXDisp_CreateGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||
1328 | { | |||
1329 | ClientPtr client = cl->client; | |||
1330 | xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; | |||
1331 | __GLXconfig *config; | |||
1332 | __GLXscreen *pGlxScreen; | |||
1333 | int err; | |||
1334 | ||||
1335 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq)if ((sizeof(xGLXCreateGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||
1336 | ||||
1337 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
1338 | return err; | |||
1339 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||
1340 | return err; | |||
1341 | ||||
1342 | return DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||
1343 | req->pixmap, req->glxpixmap); | |||
1344 | } | |||
1345 | ||||
1346 | int | |||
1347 | __glXDisp_CreatePixmap(__GLXclientState * cl, GLbyte * pc) | |||
1348 | { | |||
1349 | ClientPtr client = cl->client; | |||
1350 | xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; | |||
1351 | __GLXconfig *config; | |||
1352 | __GLXscreen *pGlxScreen; | |||
1353 | int err; | |||
1354 | ||||
1355 | REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq)if ((sizeof(xGLXCreatePixmapReq) >> 2) > client-> req_len ) return(16); | |||
1356 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1357 | client->errorValue = req->numAttribs; | |||
1358 | return BadValue2; | |||
1359 | } | |||
1360 | REQUEST_FIXED_SIZE(xGLXCreatePixmapReq, req->numAttribs << 3)if (((sizeof(xGLXCreatePixmapReq) >> 2) > client-> req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXCreatePixmapReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
1361 | ||||
1362 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
1363 | return err; | |||
1364 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
1365 | return err; | |||
1366 | ||||
1367 | err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||
1368 | req->pixmap, req->glxpixmap); | |||
1369 | if (err != Success0) | |||
1370 | return err; | |||
1371 | ||||
1372 | determineTextureTarget(cl->client, req->glxpixmap, | |||
1373 | (CARD32 *) (req + 1), req->numAttribs); | |||
1374 | ||||
1375 | return Success0; | |||
1376 | } | |||
1377 | ||||
1378 | int | |||
1379 | __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1380 | { | |||
1381 | ClientPtr client = cl->client; | |||
1382 | xGLXCreateGLXPixmapWithConfigSGIXReq *req = | |||
1383 | (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; | |||
1384 | __GLXconfig *config; | |||
1385 | __GLXscreen *pGlxScreen; | |||
1386 | int err; | |||
1387 | ||||
1388 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq)if ((sizeof(xGLXCreateGLXPixmapWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||
1389 | ||||
1390 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
1391 | return err; | |||
1392 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
1393 | return err; | |||
1394 | ||||
1395 | return DoCreateGLXPixmap(cl->client, pGlxScreen, | |||
1396 | config, req->pixmap, req->glxpixmap); | |||
1397 | } | |||
1398 | ||||
1399 | static int | |||
1400 | DoDestroyDrawable(__GLXclientState * cl, XID glxdrawable, int type) | |||
1401 | { | |||
1402 | __GLXdrawable *pGlxDraw; | |||
1403 | int err; | |||
1404 | ||||
1405 | if (!validGlxDrawable(cl->client, glxdrawable, type, | |||
1406 | DixDestroyAccess(1<<2), &pGlxDraw, &err)) | |||
1407 | return err; | |||
1408 | ||||
1409 | FreeResource(glxdrawable, FALSE0); | |||
1410 | ||||
1411 | return Success0; | |||
1412 | } | |||
1413 | ||||
1414 | int | |||
1415 | __glXDisp_DestroyGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||
1416 | { | |||
1417 | ClientPtr client = cl->client; | |||
1418 | xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; | |||
1419 | ||||
1420 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq)if ((sizeof(xGLXDestroyGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||
1421 | ||||
1422 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||
1423 | } | |||
1424 | ||||
1425 | int | |||
1426 | __glXDisp_DestroyPixmap(__GLXclientState * cl, GLbyte * pc) | |||
1427 | { | |||
1428 | ClientPtr client = cl->client; | |||
1429 | xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; | |||
1430 | ||||
1431 | /* should be REQUEST_SIZE_MATCH, but mesa's glXDestroyPixmap used to set | |||
1432 | * length to 3 instead of 2 */ | |||
1433 | REQUEST_AT_LEAST_SIZE(xGLXDestroyPixmapReq)if ((sizeof(xGLXDestroyPixmapReq) >> 2) > client-> req_len ) return(16); | |||
1434 | ||||
1435 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||
1436 | } | |||
1437 | ||||
1438 | static int | |||
1439 | DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, | |||
1440 | int width, int height, XID glxDrawableId) | |||
1441 | { | |||
1442 | __GLXconfig *config; | |||
1443 | __GLXscreen *pGlxScreen; | |||
1444 | PixmapPtr pPixmap; | |||
1445 | int err; | |||
1446 | ||||
1447 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||
1448 | ||||
1449 | if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) | |||
1450 | return err; | |||
1451 | if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) | |||
1452 | return err; | |||
1453 | ||||
1454 | __glXenterServer(GL_FALSE0x0); | |||
1455 | pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, | |||
1456 | width, height, | |||
1457 | config->rgbBits, 0); | |||
1458 | __glXleaveServer(GL_FALSE0x0); | |||
1459 | if (!pPixmap) | |||
1460 | return BadAlloc11; | |||
1461 | ||||
1462 | /* Assign the pixmap the same id as the pbuffer and add it as a | |||
1463 | * resource so it and the DRI2 drawable will be reclaimed when the | |||
1464 | * pbuffer is destroyed. */ | |||
1465 | pPixmap->drawable.id = glxDrawableId; | |||
1466 | if (!AddResourceDarwin_X_AddResource(pPixmap->drawable.id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), pPixmap)) | |||
1467 | return BadAlloc11; | |||
1468 | ||||
1469 | return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, | |||
1470 | glxDrawableId, glxDrawableId, | |||
1471 | GLX_DRAWABLE_PBUFFER); | |||
1472 | } | |||
1473 | ||||
1474 | int | |||
1475 | __glXDisp_CreatePbuffer(__GLXclientState * cl, GLbyte * pc) | |||
1476 | { | |||
1477 | ClientPtr client = cl->client; | |||
1478 | xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; | |||
1479 | CARD32 *attrs; | |||
1480 | int width, height, i; | |||
1481 | ||||
1482 | REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq)if ((sizeof(xGLXCreatePbufferReq) >> 2) > client-> req_len ) return(16); | |||
1483 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1484 | client->errorValue = req->numAttribs; | |||
1485 | return BadValue2; | |||
1486 | } | |||
1487 | REQUEST_FIXED_SIZE(xGLXCreatePbufferReq, req->numAttribs << 3)if (((sizeof(xGLXCreatePbufferReq) >> 2) > client-> req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXCreatePbufferReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
1488 | ||||
1489 | attrs = (CARD32 *) (req + 1); | |||
1490 | width = 0; | |||
1491 | height = 0; | |||
1492 | ||||
1493 | for (i = 0; i < req->numAttribs; i++) { | |||
1494 | switch (attrs[i * 2]) { | |||
1495 | case GLX_PBUFFER_WIDTH0x8041: | |||
1496 | width = attrs[i * 2 + 1]; | |||
1497 | break; | |||
1498 | case GLX_PBUFFER_HEIGHT0x8040: | |||
1499 | height = attrs[i * 2 + 1]; | |||
1500 | break; | |||
1501 | case GLX_LARGEST_PBUFFER0x801C: | |||
1502 | /* FIXME: huh... */ | |||
1503 | break; | |||
1504 | } | |||
1505 | } | |||
1506 | ||||
1507 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||
1508 | width, height, req->pbuffer); | |||
1509 | } | |||
1510 | ||||
1511 | int | |||
1512 | __glXDisp_CreateGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1513 | { | |||
1514 | ClientPtr client = cl->client; | |||
1515 | xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; | |||
1516 | ||||
1517 | REQUEST_AT_LEAST_SIZE(xGLXCreateGLXPbufferSGIXReq)if ((sizeof(xGLXCreateGLXPbufferSGIXReq) >> 2) > client ->req_len ) return(16); | |||
1518 | ||||
1519 | /* | |||
1520 | * We should really handle attributes correctly, but this extension | |||
1521 | * is so rare I have difficulty caring. | |||
1522 | */ | |||
1523 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||
1524 | req->width, req->height, req->pbuffer); | |||
1525 | } | |||
1526 | ||||
1527 | int | |||
1528 | __glXDisp_DestroyPbuffer(__GLXclientState * cl, GLbyte * pc) | |||
1529 | { | |||
1530 | ClientPtr client = cl->client; | |||
1531 | xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; | |||
1532 | ||||
1533 | REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq)if ((sizeof(xGLXDestroyPbufferReq) >> 2) != client-> req_len) return(16); | |||
1534 | ||||
1535 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||
1536 | } | |||
1537 | ||||
1538 | int | |||
1539 | __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1540 | { | |||
1541 | ClientPtr client = cl->client; | |||
1542 | xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; | |||
1543 | ||||
1544 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq)if ((sizeof(xGLXDestroyGLXPbufferSGIXReq) >> 2) != client ->req_len) return(16); | |||
1545 | ||||
1546 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||
1547 | } | |||
1548 | ||||
1549 | static int | |||
1550 | DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, | |||
1551 | int numAttribs, CARD32 *attribs) | |||
1552 | { | |||
1553 | __GLXdrawable *pGlxDraw; | |||
1554 | int i, err; | |||
1555 | ||||
1556 | if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, | |||
1557 | DixSetAttrAccess(1<<5), &pGlxDraw, &err)) | |||
1558 | return err; | |||
1559 | ||||
1560 | for (i = 0; i < numAttribs; i++) { | |||
1561 | switch (attribs[i * 2]) { | |||
1562 | case GLX_EVENT_MASK0x801F: | |||
1563 | /* All we do is to record the event mask so we can send it | |||
1564 | * back when queried. We never actually clobber the | |||
1565 | * pbuffers, so we never need to send out the event. */ | |||
1566 | pGlxDraw->eventMask = attribs[i * 2 + 1]; | |||
1567 | break; | |||
1568 | } | |||
1569 | } | |||
1570 | ||||
1571 | return Success0; | |||
1572 | } | |||
1573 | ||||
1574 | int | |||
1575 | __glXDisp_ChangeDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||
1576 | { | |||
1577 | ClientPtr client = cl->client; | |||
1578 | xGLXChangeDrawableAttributesReq *req = | |||
1579 | (xGLXChangeDrawableAttributesReq *) pc; | |||
1580 | ||||
1581 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq)if ((sizeof(xGLXChangeDrawableAttributesReq) >> 2) > client->req_len ) return(16); | |||
1582 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1583 | client->errorValue = req->numAttribs; | |||
1584 | return BadValue2; | |||
1585 | } | |||
1586 | #if 0 | |||
1587 | /* mesa sends an additional 8 bytes */ | |||
1588 | REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesReq, req->numAttribs << 3)if (((sizeof(xGLXChangeDrawableAttributesReq) >> 2) > client->req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXChangeDrawableAttributesReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
1589 | #else | |||
1590 | if (((sizeof(xGLXChangeDrawableAttributesReq) + | |||
1591 | (req->numAttribs << 3)) >> 2) < client->req_len) | |||
1592 | return BadLength16; | |||
1593 | #endif | |||
1594 | ||||
1595 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||
1596 | req->numAttribs, (CARD32 *) (req + 1)); | |||
1597 | } | |||
1598 | ||||
1599 | int | |||
1600 | __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1601 | { | |||
1602 | ClientPtr client = cl->client; | |||
1603 | xGLXChangeDrawableAttributesSGIXReq *req = | |||
1604 | (xGLXChangeDrawableAttributesSGIXReq *) pc; | |||
1605 | ||||
1606 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq)if ((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len ) return(16); | |||
1607 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1608 | client->errorValue = req->numAttribs; | |||
1609 | return BadValue2; | |||
1610 | } | |||
1611 | REQUEST_FIXED_SIZE(xGLXChangeDrawableAttributesSGIXReq,if (((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len) || (((req->numAttribs << 3 ) >> 2) >= client->req_len) || ((((uint64_t) sizeof (xGLXChangeDrawableAttributesSGIXReq) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t) client->req_len)) return (16) | |||
1612 | req->numAttribs << 3)if (((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len) || (((req->numAttribs << 3 ) >> 2) >= client->req_len) || ((((uint64_t) sizeof (xGLXChangeDrawableAttributesSGIXReq) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t) client->req_len)) return (16); | |||
1613 | ||||
1614 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||
1615 | req->numAttribs, (CARD32 *) (req + 1)); | |||
1616 | } | |||
1617 | ||||
1618 | int | |||
1619 | __glXDisp_CreateWindow(__GLXclientState * cl, GLbyte * pc) | |||
1620 | { | |||
1621 | xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; | |||
1622 | __GLXconfig *config; | |||
1623 | __GLXscreen *pGlxScreen; | |||
1624 | ClientPtr client = cl->client; | |||
1625 | DrawablePtr pDraw; | |||
1626 | int err; | |||
1627 | ||||
1628 | REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq)if ((sizeof(xGLXCreateWindowReq) >> 2) > client-> req_len ) return(16); | |||
1629 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| ||||
1630 | client->errorValue = req->numAttribs; | |||
1631 | return BadValue2; | |||
1632 | } | |||
1633 | REQUEST_FIXED_SIZE(xGLXCreateWindowReq, req->numAttribs << 3)if (((sizeof(xGLXCreateWindowReq) >> 2) > client-> req_len) || (((req->numAttribs << 3) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXCreateWindowReq ) + (req->numAttribs << 3) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
1634 | ||||
1635 | LEGAL_NEW_RESOURCE(req->glxwindow, client)if (!LegalNewID(req->glxwindow,client)) { client->errorValue = req->glxwindow; return 14; }; | |||
1636 | ||||
1637 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
1638 | return err; | |||
1639 | if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) | |||
1640 | return err; | |||
1641 | ||||
1642 | err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess(1<<12)); | |||
1643 | if (err != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||
1644 | client->errorValue = req->window; | |||
1645 | return BadWindow3; | |||
1646 | } | |||
1647 | ||||
1648 | if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) | |||
1649 | return err; | |||
1650 | ||||
1651 | return DoCreateGLXDrawable(client, pGlxScreen, config, | |||
1652 | pDraw, req->window, | |||
1653 | req->glxwindow, GLX_DRAWABLE_WINDOW); | |||
1654 | } | |||
1655 | ||||
1656 | int | |||
1657 | __glXDisp_DestroyWindow(__GLXclientState * cl, GLbyte * pc) | |||
1658 | { | |||
1659 | ClientPtr client = cl->client; | |||
1660 | xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; | |||
1661 | ||||
1662 | /* mesa's glXDestroyWindow used to set length to 3 instead of 2 */ | |||
1663 | REQUEST_AT_LEAST_SIZE(xGLXDestroyWindowReq)if ((sizeof(xGLXDestroyWindowReq) >> 2) > client-> req_len ) return(16); | |||
1664 | ||||
1665 | return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); | |||
1666 | } | |||
1667 | ||||
1668 | /*****************************************************************************/ | |||
1669 | ||||
1670 | /* | |||
1671 | ** NOTE: There is no portable implementation for swap buffers as of | |||
1672 | ** this time that is of value. Consequently, this code must be | |||
1673 | ** implemented by somebody other than SGI. | |||
1674 | */ | |||
1675 | int | |||
1676 | __glXDisp_SwapBuffers(__GLXclientState * cl, GLbyte * pc) | |||
1677 | { | |||
1678 | ClientPtr client = cl->client; | |||
1679 | xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; | |||
1680 | GLXContextTag tag; | |||
1681 | XID drawId; | |||
1682 | __GLXcontext *glxc = NULL((void*)0); | |||
1683 | __GLXdrawable *pGlxDraw; | |||
1684 | int error; | |||
1685 | ||||
1686 | REQUEST_SIZE_MATCH(xGLXSwapBuffersReq)if ((sizeof(xGLXSwapBuffersReq) >> 2) != client->req_len ) return(16); | |||
1687 | ||||
1688 | tag = req->contextTag; | |||
1689 | drawId = req->drawable; | |||
1690 | if (tag) { | |||
1691 | glxc = __glXLookupContextByTag(cl, tag); | |||
1692 | if (!glxc) { | |||
1693 | return __glXError(GLXBadContextTag4); | |||
1694 | } | |||
1695 | /* | |||
1696 | ** The calling thread is swapping its current drawable. In this case, | |||
1697 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||
1698 | ** sequentiality. | |||
1699 | */ | |||
1700 | if (__glXForceCurrent(cl, tag, &error)) { | |||
1701 | /* | |||
1702 | ** Do whatever is needed to make sure that all preceding requests | |||
1703 | ** in both streams are completed before the swap is executed. | |||
1704 | */ | |||
1705 | glFinish(); | |||
1706 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||
1707 | } | |||
1708 | else { | |||
1709 | return error; | |||
1710 | } | |||
1711 | } | |||
1712 | ||||
1713 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||
1714 | if (pGlxDraw == NULL((void*)0)) | |||
1715 | return error; | |||
1716 | ||||
1717 | if (pGlxDraw->type == DRAWABLE_WINDOW0 && | |||
1718 | (*pGlxDraw->swapBuffers) (cl->client, pGlxDraw) == GL_FALSE0x0) | |||
1719 | return __glXError(GLXBadDrawable2); | |||
1720 | ||||
1721 | return Success0; | |||
1722 | } | |||
1723 | ||||
1724 | static int | |||
1725 | DoQueryContext(__GLXclientState * cl, GLXContextID gcId) | |||
1726 | { | |||
1727 | ClientPtr client = cl->client; | |||
1728 | __GLXcontext *ctx; | |||
1729 | xGLXQueryContextInfoEXTReply reply; | |||
1730 | int nProps = 3; | |||
1731 | int sendBuf[nProps * 2]; | |||
1732 | int nReplyBytes; | |||
1733 | int err; | |||
1734 | ||||
1735 | if (!validGlxContext(cl->client, gcId, DixReadAccess(1<<0), &ctx, &err)) | |||
1736 | return err; | |||
1737 | ||||
1738 | reply = (xGLXQueryContextInfoEXTReply) { | |||
1739 | .type = X_Reply1, | |||
1740 | .sequenceNumber = client->sequence, | |||
1741 | .length = nProps << 1, | |||
1742 | .n = nProps | |||
1743 | }; | |||
1744 | ||||
1745 | nReplyBytes = reply.length << 2; | |||
1746 | sendBuf[0] = GLX_SHARE_CONTEXT_EXT0x800A; | |||
1747 | sendBuf[1] = (int) (ctx->share_id); | |||
1748 | sendBuf[2] = GLX_VISUAL_ID_EXT0x800B; | |||
1749 | sendBuf[3] = (int) (ctx->config->visualID); | |||
1750 | sendBuf[4] = GLX_SCREEN_EXT0x800C; | |||
1751 | sendBuf[5] = (int) (ctx->pGlxScreen->pScreen->myNum); | |||
1752 | ||||
1753 | if (client->swapped) { | |||
1754 | __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); | |||
1755 | } | |||
1756 | else { | |||
1757 | WriteToClient(client, sz_xGLXQueryContextInfoEXTReply32, &reply); | |||
1758 | WriteToClient(client, nReplyBytes, sendBuf); | |||
1759 | } | |||
1760 | ||||
1761 | return Success0; | |||
1762 | } | |||
1763 | ||||
1764 | int | |||
1765 | __glXDisp_QueryContextInfoEXT(__GLXclientState * cl, GLbyte * pc) | |||
1766 | { | |||
1767 | ClientPtr client = cl->client; | |||
1768 | xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; | |||
1769 | ||||
1770 | REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq)if ((sizeof(xGLXQueryContextInfoEXTReq) >> 2) != client ->req_len) return(16); | |||
1771 | ||||
1772 | return DoQueryContext(cl, req->context); | |||
1773 | } | |||
1774 | ||||
1775 | int | |||
1776 | __glXDisp_QueryContext(__GLXclientState * cl, GLbyte * pc) | |||
1777 | { | |||
1778 | ClientPtr client = cl->client; | |||
1779 | xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; | |||
1780 | ||||
1781 | REQUEST_SIZE_MATCH(xGLXQueryContextReq)if ((sizeof(xGLXQueryContextReq) >> 2) != client->req_len ) return(16); | |||
1782 | ||||
1783 | return DoQueryContext(cl, req->context); | |||
1784 | } | |||
1785 | ||||
1786 | int | |||
1787 | __glXDisp_BindTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||
1788 | { | |||
1789 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
1790 | ClientPtr client = cl->client; | |||
1791 | __GLXcontext *context; | |||
1792 | __GLXdrawable *pGlxDraw; | |||
1793 | GLXDrawable drawId; | |||
1794 | int buffer; | |||
1795 | int error; | |||
1796 | CARD32 num_attribs; | |||
1797 | ||||
1798 | if ((sizeof(xGLXVendorPrivateReq) + 12) >> 2 > client->req_len) | |||
1799 | return BadLength16; | |||
1800 | ||||
1801 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
1802 | ||||
1803 | drawId = *((CARD32 *) (pc)); | |||
1804 | buffer = *((INT32 *) (pc + 4)); | |||
1805 | num_attribs = *((CARD32 *) (pc + 8)); | |||
1806 | if (num_attribs > (UINT32_MAX4294967295U >> 3)) { | |||
1807 | client->errorValue = num_attribs; | |||
1808 | return BadValue2; | |||
1809 | } | |||
1810 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 12 + (num_attribs << 3))if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((12 + (num_attribs << 3)) >> 2) >= client->req_len) || ((((uint64_t) sizeof(xGLXVendorPrivateReq ) + (12 + (num_attribs << 3)) + 3) >> 2) != (uint64_t ) client->req_len)) return(16); | |||
1811 | ||||
1812 | if (buffer != GLX_FRONT_LEFT_EXT0x20DE) | |||
1813 | return __glXError(GLXBadPixmap3); | |||
1814 | ||||
1815 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||
1816 | if (!context) | |||
1817 | return error; | |||
1818 | ||||
1819 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||
1820 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||
1821 | return error; | |||
1822 | ||||
1823 | if (!context->textureFromPixmap) | |||
1824 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
1825 | ||||
1826 | return context->textureFromPixmap->bindTexImage(context, buffer, pGlxDraw); | |||
1827 | } | |||
1828 | ||||
1829 | int | |||
1830 | __glXDisp_ReleaseTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||
1831 | { | |||
1832 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
1833 | ClientPtr client = cl->client; | |||
1834 | __GLXdrawable *pGlxDraw; | |||
1835 | __GLXcontext *context; | |||
1836 | GLXDrawable drawId; | |||
1837 | int buffer; | |||
1838 | int error; | |||
1839 | ||||
1840 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 8)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((8) >> 2) >= client->req_len) || (( ((uint64_t) sizeof(xGLXVendorPrivateReq) + (8) + 3) >> 2 ) != (uint64_t) client->req_len)) return(16); | |||
1841 | ||||
1842 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
1843 | ||||
1844 | drawId = *((CARD32 *) (pc)); | |||
1845 | buffer = *((INT32 *) (pc + 4)); | |||
1846 | ||||
1847 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||
1848 | if (!context) | |||
1849 | return error; | |||
1850 | ||||
1851 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||
1852 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||
1853 | return error; | |||
1854 | ||||
1855 | if (!context->textureFromPixmap) | |||
1856 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
1857 | ||||
1858 | return context->textureFromPixmap->releaseTexImage(context, | |||
1859 | buffer, pGlxDraw); | |||
1860 | } | |||
1861 | ||||
1862 | int | |||
1863 | __glXDisp_CopySubBufferMESA(__GLXclientState * cl, GLbyte * pc) | |||
1864 | { | |||
1865 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
1866 | GLXContextTag tag = req->contextTag; | |||
1867 | __GLXcontext *glxc = NULL((void*)0); | |||
1868 | __GLXdrawable *pGlxDraw; | |||
1869 | ClientPtr client = cl->client; | |||
1870 | GLXDrawable drawId; | |||
1871 | int error; | |||
1872 | int x, y, width, height; | |||
1873 | ||||
1874 | (void) client; | |||
1875 | (void) req; | |||
1876 | ||||
1877 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 20)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((20) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (20) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||
1878 | ||||
1879 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
1880 | ||||
1881 | drawId = *((CARD32 *) (pc)); | |||
1882 | x = *((INT32 *) (pc + 4)); | |||
1883 | y = *((INT32 *) (pc + 8)); | |||
1884 | width = *((INT32 *) (pc + 12)); | |||
1885 | height = *((INT32 *) (pc + 16)); | |||
1886 | ||||
1887 | if (tag) { | |||
1888 | glxc = __glXLookupContextByTag(cl, tag); | |||
1889 | if (!glxc) { | |||
1890 | return __glXError(GLXBadContextTag4); | |||
1891 | } | |||
1892 | /* | |||
1893 | ** The calling thread is swapping its current drawable. In this case, | |||
1894 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||
1895 | ** sequentiality. | |||
1896 | */ | |||
1897 | if (__glXForceCurrent(cl, tag, &error)) { | |||
1898 | /* | |||
1899 | ** Do whatever is needed to make sure that all preceding requests | |||
1900 | ** in both streams are completed before the swap is executed. | |||
1901 | */ | |||
1902 | glFinish(); | |||
1903 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||
1904 | } | |||
1905 | else { | |||
1906 | return error; | |||
1907 | } | |||
1908 | } | |||
1909 | ||||
1910 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||
1911 | if (!pGlxDraw) | |||
1912 | return error; | |||
1913 | ||||
1914 | if (pGlxDraw == NULL((void*)0) || | |||
1915 | pGlxDraw->type != GLX_DRAWABLE_WINDOW || | |||
1916 | pGlxDraw->copySubBuffer == NULL((void*)0)) | |||
1917 | return __glXError(GLXBadDrawable2); | |||
1918 | ||||
1919 | (*pGlxDraw->copySubBuffer) (pGlxDraw, x, y, width, height); | |||
1920 | ||||
1921 | return Success0; | |||
1922 | } | |||
1923 | ||||
1924 | /* hack for old glxext.h */ | |||
1925 | #ifndef GLX_STEREO_TREE_EXT0x20F5 | |||
1926 | #define GLX_STEREO_TREE_EXT0x20F5 0x20F5 | |||
1927 | #endif | |||
1928 | ||||
1929 | /* | |||
1930 | ** Get drawable attributes | |||
1931 | */ | |||
1932 | static int | |||
1933 | DoGetDrawableAttributes(__GLXclientState * cl, XID drawId) | |||
1934 | { | |||
1935 | ClientPtr client = cl->client; | |||
1936 | xGLXGetDrawableAttributesReply reply; | |||
1937 | __GLXdrawable *pGlxDraw = NULL((void*)0); | |||
1938 | DrawablePtr pDraw; | |||
1939 | CARD32 attributes[18]; | |||
1940 | int num = 0, error; | |||
1941 | ||||
1942 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||
1943 | DixGetAttrAccess(1<<4), &pGlxDraw, &error)) { | |||
1944 | /* hack for GLX 1.2 naked windows */ | |||
1945 | int err = dixLookupWindow((WindowPtr *)&pDraw, drawId, client, | |||
1946 | DixGetAttrAccess(1<<4)); | |||
1947 | if (err != Success0) | |||
1948 | return error; | |||
1949 | } | |||
1950 | if (pGlxDraw) | |||
1951 | pDraw = pGlxDraw->pDraw; | |||
1952 | ||||
1953 | #define ATTRIB(a, v) do { \ | |||
1954 | attributes[2*num] = (a); \ | |||
1955 | attributes[2*num+1] = (v); \ | |||
1956 | num++; \ | |||
1957 | } while (0) | |||
1958 | ||||
1959 | ATTRIB(GLX_Y_INVERTED_EXT0x20D4, GL_FALSE0x0); | |||
1960 | ATTRIB(GLX_WIDTH0x801D, pDraw->width); | |||
1961 | ATTRIB(GLX_HEIGHT0x801E, pDraw->height); | |||
1962 | ATTRIB(GLX_SCREEN0x800C, pDraw->pScreen->myNum); | |||
1963 | if (pGlxDraw) { | |||
1964 | ATTRIB(GLX_TEXTURE_TARGET_EXT0x20D6, | |||
1965 | pGlxDraw->target == GL_TEXTURE_2D0x0DE1 ? | |||
1966 | GLX_TEXTURE_2D_EXT0x20DC : GLX_TEXTURE_RECTANGLE_EXT0x20DD); | |||
1967 | ATTRIB(GLX_EVENT_MASK0x801F, pGlxDraw->eventMask); | |||
1968 | ATTRIB(GLX_FBCONFIG_ID0x8013, pGlxDraw->config->fbconfigID); | |||
1969 | if (pGlxDraw->type == GLX_DRAWABLE_PBUFFER) { | |||
1970 | ATTRIB(GLX_PRESERVED_CONTENTS0x801B, GL_TRUE0x1); | |||
1971 | } | |||
1972 | if (pGlxDraw->type == GLX_DRAWABLE_WINDOW) { | |||
1973 | ATTRIB(GLX_STEREO_TREE_EXT0x20F5, 0); | |||
1974 | } | |||
1975 | } | |||
1976 | #undef ATTRIB | |||
1977 | ||||
1978 | reply = (xGLXGetDrawableAttributesReply) { | |||
1979 | .type = X_Reply1, | |||
1980 | .sequenceNumber = client->sequence, | |||
1981 | .length = num << 1, | |||
1982 | .numAttribs = num | |||
1983 | }; | |||
1984 | ||||
1985 | if (client->swapped) { | |||
1986 | __glXSwapGetDrawableAttributesReply(client, &reply, attributes); | |||
1987 | } | |||
1988 | else { | |||
1989 | WriteToClient(client, sz_xGLXGetDrawableAttributesReply32, &reply); | |||
1990 | WriteToClient(client, reply.length * sizeof(CARD32), attributes); | |||
1991 | } | |||
1992 | ||||
1993 | return Success0; | |||
1994 | } | |||
1995 | ||||
1996 | int | |||
1997 | __glXDisp_GetDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||
1998 | { | |||
1999 | ClientPtr client = cl->client; | |||
2000 | xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *) pc; | |||
2001 | ||||
2002 | /* this should be REQUEST_SIZE_MATCH, but mesa sends an additional 4 bytes */ | |||
2003 | REQUEST_AT_LEAST_SIZE(xGLXGetDrawableAttributesReq)if ((sizeof(xGLXGetDrawableAttributesReq) >> 2) > client ->req_len ) return(16); | |||
2004 | ||||
2005 | return DoGetDrawableAttributes(cl, req->drawable); | |||
2006 | } | |||
2007 | ||||
2008 | int | |||
2009 | __glXDisp_GetDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||
2010 | { | |||
2011 | ClientPtr client = cl->client; | |||
2012 | xGLXGetDrawableAttributesSGIXReq *req = | |||
2013 | (xGLXGetDrawableAttributesSGIXReq *) pc; | |||
2014 | ||||
2015 | REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq)if ((sizeof(xGLXGetDrawableAttributesSGIXReq) >> 2) != client ->req_len) return(16); | |||
2016 | ||||
2017 | return DoGetDrawableAttributes(cl, req->drawable); | |||
2018 | } | |||
2019 | ||||
2020 | /************************************************************************/ | |||
2021 | ||||
2022 | /* | |||
2023 | ** Render and Renderlarge are not in the GLX API. They are used by the GLX | |||
2024 | ** client library to send batches of GL rendering commands. | |||
2025 | */ | |||
2026 | ||||
2027 | /* | |||
2028 | ** Execute all the drawing commands in a request. | |||
2029 | */ | |||
2030 | int | |||
2031 | __glXDisp_Render(__GLXclientState * cl, GLbyte * pc) | |||
2032 | { | |||
2033 | xGLXRenderReq *req; | |||
2034 | ClientPtr client = cl->client; | |||
2035 | int left, cmdlen, error; | |||
2036 | int commandsDone; | |||
2037 | CARD16 opcode; | |||
2038 | __GLXrenderHeader *hdr; | |||
2039 | __GLXcontext *glxc; | |||
2040 | ||||
2041 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
2042 | ||||
2043 | REQUEST_AT_LEAST_SIZE(xGLXRenderReq)if ((sizeof(xGLXRenderReq) >> 2) > client->req_len ) return(16); | |||
2044 | ||||
2045 | req = (xGLXRenderReq *) pc; | |||
2046 | if (client->swapped) { | |||
2047 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||
2048 | __GLX_SWAP_INT(&req->contextTag)sw = ((GLbyte *)(&req->contextTag))[0]; ((GLbyte *)(& req->contextTag))[0] = ((GLbyte *)(&req->contextTag ))[3]; ((GLbyte *)(&req->contextTag))[3] = sw; sw = (( GLbyte *)(&req->contextTag))[1]; ((GLbyte *)(&req-> contextTag))[1] = ((GLbyte *)(&req->contextTag))[2]; ( (GLbyte *)(&req->contextTag))[2] = sw;; | |||
2049 | } | |||
2050 | ||||
2051 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||
2052 | if (!glxc) { | |||
2053 | return error; | |||
2054 | } | |||
2055 | ||||
2056 | commandsDone = 0; | |||
2057 | pc += sz_xGLXRenderReq8; | |||
2058 | left = (req->length << 2) - sz_xGLXRenderReq8; | |||
2059 | while (left > 0) { | |||
2060 | __GLXrenderSizeData entry; | |||
2061 | int extra = 0; | |||
2062 | __GLXdispatchRenderProcPtr proc; | |||
2063 | int err; | |||
2064 | ||||
2065 | if (left < sizeof(__GLXrenderHeader)) | |||
2066 | return BadLength16; | |||
2067 | ||||
2068 | /* | |||
2069 | ** Verify that the header length and the overall length agree. | |||
2070 | ** Also, each command must be word aligned. | |||
2071 | */ | |||
2072 | hdr = (__GLXrenderHeader *) pc; | |||
2073 | if (client->swapped) { | |||
2074 | __GLX_SWAP_SHORT(&hdr->length)sw = ((GLbyte *)(&hdr->length))[0]; ((GLbyte *)(&hdr ->length))[0] = ((GLbyte *)(&hdr->length))[1]; ((GLbyte *)(&hdr->length))[1] = sw;; | |||
2075 | __GLX_SWAP_SHORT(&hdr->opcode)sw = ((GLbyte *)(&hdr->opcode))[0]; ((GLbyte *)(&hdr ->opcode))[0] = ((GLbyte *)(&hdr->opcode))[1]; ((GLbyte *)(&hdr->opcode))[1] = sw;; | |||
2076 | } | |||
2077 | cmdlen = hdr->length; | |||
2078 | opcode = hdr->opcode; | |||
2079 | ||||
2080 | if (left < cmdlen) | |||
2081 | return BadLength16; | |||
2082 | ||||
2083 | /* | |||
2084 | ** Check for core opcodes and grab entry data. | |||
2085 | */ | |||
2086 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||
2087 | proc = (__GLXdispatchRenderProcPtr) | |||
2088 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, | |||
2089 | opcode, client->swapped); | |||
2090 | ||||
2091 | if ((err < 0) || (proc == NULL((void*)0))) { | |||
2092 | client->errorValue = commandsDone; | |||
2093 | return __glXError(GLXBadRenderRequest6); | |||
2094 | } | |||
2095 | ||||
2096 | if (cmdlen < entry.bytes) { | |||
2097 | return BadLength16; | |||
2098 | } | |||
2099 | ||||
2100 | if (entry.varsize) { | |||
2101 | /* variable size command */ | |||
2102 | extra = (*entry.varsize) (pc + __GLX_RENDER_HDR_SIZE4, | |||
2103 | client->swapped, | |||
2104 | left - __GLX_RENDER_HDR_SIZE4); | |||
2105 | if (extra < 0) { | |||
2106 | return BadLength16; | |||
2107 | } | |||
2108 | } | |||
2109 | ||||
2110 | if (cmdlen != safe_pad(safe_add(entry.bytes, extra))) { | |||
2111 | return BadLength16; | |||
2112 | } | |||
2113 | ||||
2114 | /* | |||
2115 | ** Skip over the header and execute the command. We allow the | |||
2116 | ** caller to trash the command memory. This is useful especially | |||
2117 | ** for things that require double alignment - they can just shift | |||
2118 | ** the data towards lower memory (trashing the header) by 4 bytes | |||
2119 | ** and achieve the required alignment. | |||
2120 | */ | |||
2121 | (*proc) (pc + __GLX_RENDER_HDR_SIZE4); | |||
2122 | pc += cmdlen; | |||
2123 | left -= cmdlen; | |||
2124 | commandsDone++; | |||
2125 | } | |||
2126 | glxc->hasUnflushedCommands = GL_TRUE0x1; | |||
2127 | return Success0; | |||
2128 | } | |||
2129 | ||||
2130 | /* | |||
2131 | ** Execute a large rendering request (one that spans multiple X requests). | |||
2132 | */ | |||
2133 | int | |||
2134 | __glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc) | |||
2135 | { | |||
2136 | xGLXRenderLargeReq *req; | |||
2137 | ClientPtr client = cl->client; | |||
2138 | size_t dataBytes; | |||
2139 | __GLXrenderLargeHeader *hdr; | |||
2140 | __GLXcontext *glxc; | |||
2141 | int error; | |||
2142 | CARD16 opcode; | |||
2143 | ||||
2144 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
2145 | ||||
2146 | REQUEST_AT_LEAST_SIZE(xGLXRenderLargeReq)if ((sizeof(xGLXRenderLargeReq) >> 2) > client->req_len ) return(16); | |||
2147 | ||||
2148 | req = (xGLXRenderLargeReq *) pc; | |||
2149 | if (client->swapped) { | |||
2150 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||
2151 | __GLX_SWAP_INT(&req->contextTag)sw = ((GLbyte *)(&req->contextTag))[0]; ((GLbyte *)(& req->contextTag))[0] = ((GLbyte *)(&req->contextTag ))[3]; ((GLbyte *)(&req->contextTag))[3] = sw; sw = (( GLbyte *)(&req->contextTag))[1]; ((GLbyte *)(&req-> contextTag))[1] = ((GLbyte *)(&req->contextTag))[2]; ( (GLbyte *)(&req->contextTag))[2] = sw;; | |||
2152 | __GLX_SWAP_INT(&req->dataBytes)sw = ((GLbyte *)(&req->dataBytes))[0]; ((GLbyte *)(& req->dataBytes))[0] = ((GLbyte *)(&req->dataBytes)) [3]; ((GLbyte *)(&req->dataBytes))[3] = sw; sw = ((GLbyte *)(&req->dataBytes))[1]; ((GLbyte *)(&req->dataBytes ))[1] = ((GLbyte *)(&req->dataBytes))[2]; ((GLbyte *)( &req->dataBytes))[2] = sw;; | |||
2153 | __GLX_SWAP_SHORT(&req->requestNumber)sw = ((GLbyte *)(&req->requestNumber))[0]; ((GLbyte *) (&req->requestNumber))[0] = ((GLbyte *)(&req->requestNumber ))[1]; ((GLbyte *)(&req->requestNumber))[1] = sw;; | |||
2154 | __GLX_SWAP_SHORT(&req->requestTotal)sw = ((GLbyte *)(&req->requestTotal))[0]; ((GLbyte *)( &req->requestTotal))[0] = ((GLbyte *)(&req->requestTotal ))[1]; ((GLbyte *)(&req->requestTotal))[1] = sw;; | |||
2155 | } | |||
2156 | ||||
2157 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||
2158 | if (!glxc) { | |||
2159 | /* Reset in case this isn't 1st request. */ | |||
2160 | __glXResetLargeCommandStatus(cl); | |||
2161 | return error; | |||
2162 | } | |||
2163 | if (safe_pad(req->dataBytes) < 0) | |||
2164 | return BadLength16; | |||
2165 | dataBytes = req->dataBytes; | |||
2166 | ||||
2167 | /* | |||
2168 | ** Check the request length. | |||
2169 | */ | |||
2170 | if ((req->length << 2) != safe_pad(dataBytes) + sz_xGLXRenderLargeReq16) { | |||
2171 | client->errorValue = req->length; | |||
2172 | /* Reset in case this isn't 1st request. */ | |||
2173 | __glXResetLargeCommandStatus(cl); | |||
2174 | return BadLength16; | |||
2175 | } | |||
2176 | pc += sz_xGLXRenderLargeReq16; | |||
2177 | ||||
2178 | if (cl->largeCmdRequestsSoFar == 0) { | |||
2179 | __GLXrenderSizeData entry; | |||
2180 | int extra = 0; | |||
2181 | int left = (req->length << 2) - sz_xGLXRenderLargeReq16; | |||
2182 | int cmdlen; | |||
2183 | int err; | |||
2184 | ||||
2185 | /* | |||
2186 | ** This is the first request of a multi request command. | |||
2187 | ** Make enough space in the buffer, then copy the entire request. | |||
2188 | */ | |||
2189 | if (req->requestNumber != 1) { | |||
2190 | client->errorValue = req->requestNumber; | |||
2191 | return __glXError(GLXBadLargeRequest7); | |||
2192 | } | |||
2193 | ||||
2194 | if (dataBytes < __GLX_RENDER_LARGE_HDR_SIZE8) | |||
2195 | return BadLength16; | |||
2196 | ||||
2197 | hdr = (__GLXrenderLargeHeader *) pc; | |||
2198 | if (client->swapped) { | |||
2199 | __GLX_SWAP_INT(&hdr->length)sw = ((GLbyte *)(&hdr->length))[0]; ((GLbyte *)(&hdr ->length))[0] = ((GLbyte *)(&hdr->length))[3]; ((GLbyte *)(&hdr->length))[3] = sw; sw = ((GLbyte *)(&hdr-> length))[1]; ((GLbyte *)(&hdr->length))[1] = ((GLbyte * )(&hdr->length))[2]; ((GLbyte *)(&hdr->length)) [2] = sw;; | |||
2200 | __GLX_SWAP_INT(&hdr->opcode)sw = ((GLbyte *)(&hdr->opcode))[0]; ((GLbyte *)(&hdr ->opcode))[0] = ((GLbyte *)(&hdr->opcode))[3]; ((GLbyte *)(&hdr->opcode))[3] = sw; sw = ((GLbyte *)(&hdr-> opcode))[1]; ((GLbyte *)(&hdr->opcode))[1] = ((GLbyte * )(&hdr->opcode))[2]; ((GLbyte *)(&hdr->opcode)) [2] = sw;; | |||
2201 | } | |||
2202 | opcode = hdr->opcode; | |||
2203 | if ((cmdlen = safe_pad(hdr->length)) < 0) | |||
2204 | return BadLength16; | |||
2205 | ||||
2206 | /* | |||
2207 | ** Check for core opcodes and grab entry data. | |||
2208 | */ | |||
2209 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||
2210 | if (err < 0) { | |||
2211 | client->errorValue = opcode; | |||
2212 | return __glXError(GLXBadLargeRequest7); | |||
2213 | } | |||
2214 | ||||
2215 | if (entry.varsize) { | |||
2216 | /* | |||
2217 | ** If it's a variable-size command (a command whose length must | |||
2218 | ** be computed from its parameters), all the parameters needed | |||
2219 | ** will be in the 1st request, so it's okay to do this. | |||
2220 | */ | |||
2221 | extra = (*entry.varsize) (pc + __GLX_RENDER_LARGE_HDR_SIZE8, | |||
2222 | client->swapped, | |||
2223 | left - __GLX_RENDER_LARGE_HDR_SIZE8); | |||
2224 | if (extra < 0) { | |||
2225 | return BadLength16; | |||
2226 | } | |||
2227 | } | |||
2228 | ||||
2229 | /* the +4 is safe because we know entry.bytes is small */ | |||
2230 | if (cmdlen != safe_pad(safe_add(entry.bytes + 4, extra))) { | |||
2231 | return BadLength16; | |||
2232 | } | |||
2233 | ||||
2234 | /* | |||
2235 | ** Make enough space in the buffer, then copy the entire request. | |||
2236 | */ | |||
2237 | if (cl->largeCmdBufSize < cmdlen) { | |||
2238 | GLbyte *newbuf = cl->largeCmdBuf; | |||
2239 | ||||
2240 | if (!(newbuf = realloc(newbuf, cmdlen))) | |||
2241 | return BadAlloc11; | |||
2242 | ||||
2243 | cl->largeCmdBuf = newbuf; | |||
2244 | cl->largeCmdBufSize = cmdlen; | |||
2245 | } | |||
2246 | memcpy(cl->largeCmdBuf, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf, pc, dataBytes, __builtin_object_size (cl->largeCmdBuf, 0)); | |||
2247 | ||||
2248 | cl->largeCmdBytesSoFar = dataBytes; | |||
2249 | cl->largeCmdBytesTotal = cmdlen; | |||
2250 | cl->largeCmdRequestsSoFar = 1; | |||
2251 | cl->largeCmdRequestsTotal = req->requestTotal; | |||
2252 | return Success0; | |||
2253 | ||||
2254 | } | |||
2255 | else { | |||
2256 | /* | |||
2257 | ** We are receiving subsequent (i.e. not the first) requests of a | |||
2258 | ** multi request command. | |||
2259 | */ | |||
2260 | int bytesSoFar; /* including this packet */ | |||
2261 | ||||
2262 | /* | |||
2263 | ** Check the request number and the total request count. | |||
2264 | */ | |||
2265 | if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { | |||
2266 | client->errorValue = req->requestNumber; | |||
2267 | __glXResetLargeCommandStatus(cl); | |||
2268 | return __glXError(GLXBadLargeRequest7); | |||
2269 | } | |||
2270 | if (req->requestTotal != cl->largeCmdRequestsTotal) { | |||
2271 | client->errorValue = req->requestTotal; | |||
2272 | __glXResetLargeCommandStatus(cl); | |||
2273 | return __glXError(GLXBadLargeRequest7); | |||
2274 | } | |||
2275 | ||||
2276 | /* | |||
2277 | ** Check that we didn't get too much data. | |||
2278 | */ | |||
2279 | if ((bytesSoFar = safe_add(cl->largeCmdBytesSoFar, dataBytes)) < 0) { | |||
2280 | client->errorValue = dataBytes; | |||
2281 | __glXResetLargeCommandStatus(cl); | |||
2282 | return __glXError(GLXBadLargeRequest7); | |||
2283 | } | |||
2284 | ||||
2285 | if (bytesSoFar > cl->largeCmdBytesTotal) { | |||
2286 | client->errorValue = dataBytes; | |||
2287 | __glXResetLargeCommandStatus(cl); | |||
2288 | return __glXError(GLXBadLargeRequest7); | |||
2289 | } | |||
2290 | ||||
2291 | memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf + cl->largeCmdBytesSoFar , pc, dataBytes, __builtin_object_size (cl->largeCmdBuf + cl ->largeCmdBytesSoFar, 0)); | |||
2292 | cl->largeCmdBytesSoFar += dataBytes; | |||
2293 | cl->largeCmdRequestsSoFar++; | |||
2294 | ||||
2295 | if (req->requestNumber == cl->largeCmdRequestsTotal) { | |||
2296 | __GLXdispatchRenderProcPtr proc; | |||
2297 | ||||
2298 | /* | |||
2299 | ** This is the last request; it must have enough bytes to complete | |||
2300 | ** the command. | |||
2301 | */ | |||
2302 | /* NOTE: the pad macro below is needed because the client library | |||
2303 | ** pads the total byte count, but not the per-request byte counts. | |||
2304 | ** The Protocol Encoding says the total byte count should not be | |||
2305 | ** padded, so a proposal will be made to the ARB to relax the | |||
2306 | ** padding constraint on the total byte count, thus preserving | |||
2307 | ** backward compatibility. Meanwhile, the padding done below | |||
2308 | ** fixes a bug that did not allow large commands of odd sizes to | |||
2309 | ** be accepted by the server. | |||
2310 | */ | |||
2311 | if (safe_pad(cl->largeCmdBytesSoFar) != cl->largeCmdBytesTotal) { | |||
2312 | client->errorValue = dataBytes; | |||
2313 | __glXResetLargeCommandStatus(cl); | |||
2314 | return __glXError(GLXBadLargeRequest7); | |||
2315 | } | |||
2316 | hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; | |||
2317 | /* | |||
2318 | ** The opcode and length field in the header had already been | |||
2319 | ** swapped when the first request was received. | |||
2320 | ** | |||
2321 | ** Use the opcode to index into the procedure table. | |||
2322 | */ | |||
2323 | opcode = hdr->opcode; | |||
2324 | ||||
2325 | proc = (__GLXdispatchRenderProcPtr) | |||
2326 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, opcode, | |||
2327 | client->swapped); | |||
2328 | if (proc == NULL((void*)0)) { | |||
2329 | client->errorValue = opcode; | |||
2330 | return __glXError(GLXBadLargeRequest7); | |||
2331 | } | |||
2332 | ||||
2333 | /* | |||
2334 | ** Skip over the header and execute the command. | |||
2335 | */ | |||
2336 | (*proc) (cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE8); | |||
2337 | glxc->hasUnflushedCommands = GL_TRUE0x1; | |||
2338 | ||||
2339 | /* | |||
2340 | ** Reset for the next RenderLarge series. | |||
2341 | */ | |||
2342 | __glXResetLargeCommandStatus(cl); | |||
2343 | } | |||
2344 | else { | |||
2345 | /* | |||
2346 | ** This is neither the first nor the last request. | |||
2347 | */ | |||
2348 | } | |||
2349 | return Success0; | |||
2350 | } | |||
2351 | } | |||
2352 | ||||
2353 | /************************************************************************/ | |||
2354 | ||||
2355 | /* | |||
2356 | ** No support is provided for the vendor-private requests other than | |||
2357 | ** allocating the entry points in the dispatch table. | |||
2358 | */ | |||
2359 | ||||
2360 | int | |||
2361 | __glXDisp_VendorPrivate(__GLXclientState * cl, GLbyte * pc) | |||
2362 | { | |||
2363 | ClientPtr client = cl->client; | |||
2364 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
2365 | GLint vendorcode = req->vendorCode; | |||
2366 | __GLXdispatchVendorPrivProcPtr proc; | |||
2367 | ||||
2368 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||
2369 | ||||
2370 | proc = (__GLXdispatchVendorPrivProcPtr) | |||
2371 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||
2372 | vendorcode, 0); | |||
2373 | if (proc != NULL((void*)0)) { | |||
2374 | (*proc) (cl, (GLbyte *) req); | |||
2375 | return Success0; | |||
2376 | } | |||
2377 | ||||
2378 | cl->client->errorValue = req->vendorCode; | |||
2379 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
2380 | } | |||
2381 | ||||
2382 | int | |||
2383 | __glXDisp_VendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc) | |||
2384 | { | |||
2385 | ClientPtr client = cl->client; | |||
2386 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
2387 | GLint vendorcode = req->vendorCode; | |||
2388 | __GLXdispatchVendorPrivProcPtr proc; | |||
2389 | ||||
2390 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||
2391 | ||||
2392 | proc = (__GLXdispatchVendorPrivProcPtr) | |||
2393 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||
2394 | vendorcode, 0); | |||
2395 | if (proc != NULL((void*)0)) { | |||
2396 | return (*proc) (cl, (GLbyte *) req); | |||
2397 | } | |||
2398 | ||||
2399 | cl->client->errorValue = vendorcode; | |||
2400 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
2401 | } | |||
2402 | ||||
2403 | int | |||
2404 | __glXDisp_QueryExtensionsString(__GLXclientState * cl, GLbyte * pc) | |||
2405 | { | |||
2406 | ClientPtr client = cl->client; | |||
2407 | xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; | |||
2408 | xGLXQueryExtensionsStringReply reply; | |||
2409 | __GLXscreen *pGlxScreen; | |||
2410 | size_t n, length; | |||
2411 | char *buf; | |||
2412 | int err; | |||
2413 | ||||
2414 | REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq)if ((sizeof(xGLXQueryExtensionsStringReq) >> 2) != client ->req_len) return(16); | |||
2415 | ||||
2416 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
2417 | return err; | |||
2418 | ||||
2419 | n = strlen(pGlxScreen->GLXextensions) + 1; | |||
2420 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||
2421 | reply = (xGLXQueryExtensionsStringReply) { | |||
2422 | .type = X_Reply1, | |||
2423 | .sequenceNumber = client->sequence, | |||
2424 | .length = length, | |||
2425 | .n = n | |||
2426 | }; | |||
2427 | ||||
2428 | /* Allocate buffer to make sure it's a multiple of 4 bytes big. */ | |||
2429 | buf = calloc(length, 4); | |||
2430 | if (buf == NULL((void*)0)) | |||
2431 | return BadAlloc11; | |||
2432 | memcpy(buf, pGlxScreen->GLXextensions, n)__builtin___memcpy_chk (buf, pGlxScreen->GLXextensions, n, __builtin_object_size (buf, 0)); | |||
2433 | ||||
2434 | if (client->swapped) { | |||
2435 | glxSwapQueryExtensionsStringReply(client, &reply, buf); | |||
2436 | } | |||
2437 | else { | |||
2438 | WriteToClient(client, sz_xGLXQueryExtensionsStringReply32, &reply); | |||
2439 | WriteToClient(client, (int) (length << 2), buf); | |||
2440 | } | |||
2441 | ||||
2442 | free(buf); | |||
2443 | return Success0; | |||
2444 | } | |||
2445 | ||||
2446 | int | |||
2447 | __glXDisp_QueryServerString(__GLXclientState * cl, GLbyte * pc) | |||
2448 | { | |||
2449 | ClientPtr client = cl->client; | |||
2450 | xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; | |||
2451 | xGLXQueryServerStringReply reply; | |||
2452 | size_t n, length; | |||
2453 | const char *ptr; | |||
2454 | char *buf; | |||
2455 | __GLXscreen *pGlxScreen; | |||
2456 | int err; | |||
2457 | char ver_str[16]; | |||
2458 | ||||
2459 | REQUEST_SIZE_MATCH(xGLXQueryServerStringReq)if ((sizeof(xGLXQueryServerStringReq) >> 2) != client-> req_len) return(16); | |||
2460 | ||||
2461 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
2462 | return err; | |||
2463 | ||||
2464 | switch (req->name) { | |||
2465 | case GLX_VENDOR0x1: | |||
2466 | ptr = GLXServerVendorName; | |||
2467 | break; | |||
2468 | case GLX_VERSION0x2: | |||
2469 | /* Return to the server version rather than the screen version | |||
2470 | * to prevent confusion when they do not match. | |||
2471 | */ | |||
2472 | snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion)__builtin___snprintf_chk (ver_str, 16, 0, __builtin_object_size (ver_str, 2 > 1 ? 1 : 0), "%d.%d", glxMajorVersion, glxMinorVersion ); | |||
2473 | ptr = ver_str; | |||
2474 | break; | |||
2475 | case GLX_EXTENSIONS0x3: | |||
2476 | ptr = pGlxScreen->GLXextensions; | |||
2477 | break; | |||
2478 | default: | |||
2479 | return BadValue2; | |||
2480 | } | |||
2481 | ||||
2482 | n = strlen(ptr) + 1; | |||
2483 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||
2484 | reply = (xGLXQueryServerStringReply) { | |||
2485 | .type = X_Reply1, | |||
2486 | .sequenceNumber = client->sequence, | |||
2487 | .length = length, | |||
2488 | .n = n | |||
2489 | }; | |||
2490 | ||||
2491 | buf = calloc(length, 4); | |||
2492 | if (buf == NULL((void*)0)) { | |||
2493 | return BadAlloc11; | |||
2494 | } | |||
2495 | memcpy(buf, ptr, n)__builtin___memcpy_chk (buf, ptr, n, __builtin_object_size (buf , 0)); | |||
2496 | ||||
2497 | if (client->swapped) { | |||
2498 | glxSwapQueryServerStringReply(client, &reply, buf); | |||
2499 | } | |||
2500 | else { | |||
2501 | WriteToClient(client, sz_xGLXQueryServerStringReply32, &reply); | |||
2502 | WriteToClient(client, (int) (length << 2), buf); | |||
2503 | } | |||
2504 | ||||
2505 | free(buf); | |||
2506 | return Success0; | |||
2507 | } | |||
2508 | ||||
2509 | int | |||
2510 | __glXDisp_ClientInfo(__GLXclientState * cl, GLbyte * pc) | |||
2511 | { | |||
2512 | ClientPtr client = cl->client; | |||
2513 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; | |||
2514 | const char *buf; | |||
2515 | ||||
2516 | REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq)if ((sizeof(xGLXClientInfoReq) >> 2) > client->req_len ) return(16); | |||
2517 | ||||
2518 | buf = (const char *) (req + 1); | |||
2519 | if (!memchr(buf, 0, (client->req_len << 2) - sizeof(xGLXClientInfoReq))) | |||
2520 | return BadLength16; | |||
2521 | ||||
2522 | free(cl->GLClientextensions); | |||
2523 | cl->GLClientextensions = strdup(buf); | |||
2524 | ||||
2525 | return Success0; | |||
2526 | } | |||
2527 | ||||
2528 | #include <GL/glxtokens.h> | |||
2529 | ||||
2530 | void | |||
2531 | __glXsendSwapEvent(__GLXdrawable *drawable, int type, CARD64 ust, | |||
2532 | CARD64 msc, CARD32 sbc) | |||
2533 | { | |||
2534 | ClientPtr client = clients[CLIENT_ID(drawable->drawId)((int)(((drawable->drawId) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]; | |||
2535 | ||||
2536 | xGLXBufferSwapComplete2 wire = { | |||
2537 | .type = __glXEventBase + GLX_BufferSwapComplete1 | |||
2538 | }; | |||
2539 | ||||
2540 | if (!client) | |||
2541 | return; | |||
2542 | ||||
2543 | if (!(drawable->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK0x04000000)) | |||
2544 | return; | |||
2545 | ||||
2546 | wire.event_type = type; | |||
2547 | wire.drawable = drawable->drawId; | |||
2548 | wire.ust_hi = ust >> 32; | |||
2549 | wire.ust_lo = ust & 0xffffffff; | |||
2550 | wire.msc_hi = msc >> 32; | |||
2551 | wire.msc_lo = msc & 0xffffffff; | |||
2552 | wire.sbc = sbc; | |||
2553 | ||||
2554 | WriteEventsToClient(client, 1, (xEvent *) &wire); | |||
2555 | } | |||
2556 | ||||
2557 | #if PRESENT1 | |||
2558 | static void | |||
2559 | __glXpresentCompleteNotify(WindowPtr window, CARD8 present_kind, CARD8 present_mode, | |||
2560 | CARD32 serial, uint64_t ust, uint64_t msc) | |||
2561 | { | |||
2562 | __GLXdrawable *drawable; | |||
2563 | int glx_type; | |||
2564 | int rc; | |||
2565 | ||||
2566 | if (present_kind != PresentCompleteKindPixmap0) | |||
2567 | return; | |||
2568 | ||||
2569 | rc = dixLookupResourceByType((void **) &drawable, window->drawable.id, | |||
2570 | __glXDrawableRes, serverClient, DixGetAttrAccess(1<<4)); | |||
2571 | ||||
2572 | if (rc != Success0) | |||
2573 | return; | |||
2574 | ||||
2575 | if (present_mode == PresentCompleteModeFlip1) | |||
2576 | glx_type = GLX_FLIP_COMPLETE_INTEL0x8182; | |||
2577 | else | |||
2578 | glx_type = GLX_BLIT_COMPLETE_INTEL0x8181; | |||
2579 | ||||
2580 | __glXsendSwapEvent(drawable, glx_type, ust, msc, serial); | |||
2581 | } | |||
2582 | ||||
2583 | #include <present.h> | |||
2584 | ||||
2585 | void | |||
2586 | __glXregisterPresentCompleteNotify(void) | |||
2587 | { | |||
2588 | present_register_complete_notify(__glXpresentCompleteNotify); | |||
2589 | } | |||
2590 | #endif |