File: | glx/glxcmds.c |
Location: | line 123, 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 | #include "protocol-versions.h" | |||
49 | ||||
50 | static char GLXServerVendorName[] = "SGI"; | |||
51 | ||||
52 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
53 | validGlxScreen(ClientPtr client, int screen, __GLXscreen ** pGlxScreen, | |||
54 | int *err) | |||
55 | { | |||
56 | /* | |||
57 | ** Check if screen exists. | |||
58 | */ | |||
59 | if (screen < 0 || screen >= screenInfo.numScreens) { | |||
60 | client->errorValue = screen; | |||
61 | *err = BadValue2; | |||
62 | return FALSE0; | |||
63 | } | |||
64 | *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); | |||
65 | ||||
66 | return TRUE1; | |||
67 | } | |||
68 | ||||
69 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
70 | validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||
71 | __GLXconfig ** config, int *err) | |||
72 | { | |||
73 | __GLXconfig *m; | |||
74 | ||||
75 | for (m = pGlxScreen->fbconfigs; m != NULL((void*)0); m = m->next) | |||
76 | if (m->fbconfigID == id) { | |||
77 | *config = m; | |||
78 | return TRUE1; | |||
79 | } | |||
80 | ||||
81 | client->errorValue = id; | |||
82 | *err = __glXError(GLXBadFBConfig9); | |||
83 | ||||
84 | return FALSE0; | |||
85 | } | |||
86 | ||||
87 | static int | |||
88 | validGlxVisual(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||
89 | __GLXconfig ** config, int *err) | |||
90 | { | |||
91 | int i; | |||
92 | ||||
93 | for (i = 0; i < pGlxScreen->numVisuals; i++) | |||
94 | if (pGlxScreen->visuals[i]->visualID == id) { | |||
95 | *config = pGlxScreen->visuals[i]; | |||
96 | return TRUE1; | |||
97 | } | |||
98 | ||||
99 | client->errorValue = id; | |||
100 | *err = BadValue2; | |||
101 | ||||
102 | return FALSE0; | |||
103 | } | |||
104 | ||||
105 | static int | |||
106 | validGlxFBConfigForWindow(ClientPtr client, __GLXconfig * config, | |||
107 | DrawablePtr pDraw, int *err) | |||
108 | { | |||
109 | ScreenPtr pScreen = pDraw->pScreen; | |||
110 | VisualPtr pVisual = NULL((void*)0); | |||
111 | XID vid; | |||
112 | int i; | |||
113 | ||||
114 | vid = wVisual((WindowPtr) pDraw)(((WindowPtr) pDraw)->optional ? ((WindowPtr) pDraw)->optional ->visual : FindWindowWithOptional((WindowPtr) pDraw)->optional ->visual); | |||
115 | for (i = 0; i < pScreen->numVisuals; i++) { | |||
116 | if (pScreen->visuals[i].vid == vid) { | |||
117 | pVisual = &pScreen->visuals[i]; | |||
118 | break; | |||
119 | } | |||
120 | } | |||
121 | ||||
122 | /* FIXME: What exactly should we check here... */ | |||
123 | if (pVisual->class != glxConvertToXVisualType(config->visualType) || | |||
| ||||
124 | !(config->drawableType & GLX_WINDOW_BIT0x00000001)) { | |||
125 | client->errorValue = pDraw->id; | |||
126 | *err = BadMatch8; | |||
127 | return FALSE0; | |||
128 | } | |||
129 | ||||
130 | return TRUE1; | |||
131 | } | |||
132 | ||||
133 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||
134 | validGlxContext(ClientPtr client, XID id, int access_mode, | |||
135 | __GLXcontext ** context, int *err) | |||
136 | { | |||
137 | *err = dixLookupResourceByType((void **) context, id, | |||
138 | __glXContextRes, client, access_mode); | |||
139 | if (*err != Success0 || (*context)->idExists == GL_FALSE0x0) { | |||
140 | client->errorValue = id; | |||
141 | if (*err == BadValue2 || *err == Success0) | |||
142 | *err = __glXError(GLXBadContext0); | |||
143 | return FALSE0; | |||
144 | } | |||
145 | ||||
146 | return TRUE1; | |||
147 | } | |||
148 | ||||
149 | static int | |||
150 | validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, | |||
151 | __GLXdrawable ** drawable, int *err) | |||
152 | { | |||
153 | int rc; | |||
154 | ||||
155 | rc = dixLookupResourceByType((void **) drawable, id, | |||
156 | __glXDrawableRes, client, access_mode); | |||
157 | if (rc != Success0 && rc != BadValue2) { | |||
158 | *err = rc; | |||
159 | client->errorValue = id; | |||
160 | return FALSE0; | |||
161 | } | |||
162 | ||||
163 | /* If the ID of the glx drawable we looked up doesn't match the id | |||
164 | * we looked for, it's because we looked it up under the X | |||
165 | * drawable ID (see DoCreateGLXDrawable). */ | |||
166 | if (rc == BadValue2 || | |||
167 | (*drawable)->drawId != id || | |||
168 | (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { | |||
169 | client->errorValue = id; | |||
170 | switch (type) { | |||
171 | case GLX_DRAWABLE_WINDOW: | |||
172 | *err = __glXError(GLXBadWindow12); | |||
173 | return FALSE0; | |||
174 | case GLX_DRAWABLE_PIXMAP: | |||
175 | *err = __glXError(GLXBadPixmap3); | |||
176 | return FALSE0; | |||
177 | case GLX_DRAWABLE_PBUFFER: | |||
178 | *err = __glXError(GLXBadPbuffer10); | |||
179 | return FALSE0; | |||
180 | case GLX_DRAWABLE_ANY: | |||
181 | *err = __glXError(GLXBadDrawable2); | |||
182 | return FALSE0; | |||
183 | } | |||
184 | } | |||
185 | ||||
186 | return TRUE1; | |||
187 | } | |||
188 | ||||
189 | void | |||
190 | __glXContextDestroy(__GLXcontext * context) | |||
191 | { | |||
192 | lastGLContext = NULL((void*)0); | |||
193 | } | |||
194 | ||||
195 | static void | |||
196 | __glXdirectContextDestroy(__GLXcontext * context) | |||
197 | { | |||
198 | __glXContextDestroy(context); | |||
199 | free(context); | |||
200 | } | |||
201 | ||||
202 | static int | |||
203 | __glXdirectContextLoseCurrent(__GLXcontext * context) | |||
204 | { | |||
205 | return GL_TRUE0x1; | |||
206 | } | |||
207 | ||||
208 | _X_HIDDEN__attribute__((visibility("hidden"))) __GLXcontext * | |||
209 | __glXdirectContextCreate(__GLXscreen * screen, | |||
210 | __GLXconfig * modes, __GLXcontext * shareContext) | |||
211 | { | |||
212 | __GLXcontext *context; | |||
213 | ||||
214 | context = calloc(1, sizeof(__GLXcontext)); | |||
215 | if (context == NULL((void*)0)) | |||
216 | return NULL((void*)0); | |||
217 | ||||
218 | context->destroy = __glXdirectContextDestroy; | |||
219 | context->loseCurrent = __glXdirectContextLoseCurrent; | |||
220 | ||||
221 | return context; | |||
222 | } | |||
223 | ||||
224 | /** | |||
225 | * Create a GL context with the given properties. This routine is used | |||
226 | * to implement \c glXCreateContext, \c glXCreateNewContext, and | |||
227 | * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way | |||
228 | * that GLXFBConfigs are implemented. Basically, the FBConfigID is the | |||
229 | * same as the VisualID. | |||
230 | */ | |||
231 | ||||
232 | static int | |||
233 | DoCreateContext(__GLXclientState * cl, GLXContextID gcId, | |||
234 | GLXContextID shareList, __GLXconfig * config, | |||
235 | __GLXscreen * pGlxScreen, GLboolean isDirect) | |||
236 | { | |||
237 | ClientPtr client = cl->client; | |||
238 | __GLXcontext *glxc, *shareglxc; | |||
239 | int err; | |||
240 | ||||
241 | LEGAL_NEW_RESOURCE(gcId, client)if (!LegalNewID(gcId,client)) { client->errorValue = gcId; return 14; }; | |||
242 | ||||
243 | /* | |||
244 | ** Find the display list space that we want to share. | |||
245 | ** | |||
246 | ** NOTE: In a multithreaded X server, we would need to keep a reference | |||
247 | ** count for each display list so that if one client detroyed a list that | |||
248 | ** another client was using, the list would not really be freed until it | |||
249 | ** was no longer in use. Since this sample implementation has no support | |||
250 | ** for multithreaded servers, we don't do this. | |||
251 | */ | |||
252 | if (shareList == None0L) { | |||
253 | shareglxc = 0; | |||
254 | } | |||
255 | else { | |||
256 | if (!validGlxContext(client, shareList, DixReadAccess(1<<0), | |||
257 | &shareglxc, &err)) | |||
258 | return err; | |||
259 | ||||
260 | /* Page 26 (page 32 of the PDF) of the GLX 1.4 spec says: | |||
261 | * | |||
262 | * "The server context state for all sharing contexts must exist | |||
263 | * in a single address space or a BadMatch error is generated." | |||
264 | * | |||
265 | * If the share context is indirect, force the new context to also be | |||
266 | * indirect. If the shard context is direct but the new context | |||
267 | * cannot be direct, generate BadMatch. | |||
268 | */ | |||
269 | if (shareglxc->isDirect && !isDirect) { | |||
270 | client->errorValue = shareList; | |||
271 | return BadMatch8; | |||
272 | } | |||
273 | else if (!shareglxc->isDirect) { | |||
274 | /* | |||
275 | ** Create an indirect context regardless of what the client asked | |||
276 | ** for; this way we can share display list space with shareList. | |||
277 | */ | |||
278 | isDirect = GL_FALSE0x0; | |||
279 | } | |||
280 | } | |||
281 | ||||
282 | /* | |||
283 | ** Allocate memory for the new context | |||
284 | */ | |||
285 | if (!isDirect) { | |||
286 | /* Only allow creating indirect GLX contexts if allowed by | |||
287 | * server command line. Indirect GLX is of limited use (since | |||
288 | * it's only GL 1.4), it's slower than direct contexts, and | |||
289 | * it's a massive attack surface for buffer overflow type | |||
290 | * errors. | |||
291 | */ | |||
292 | if (!enableIndirectGLX) { | |||
293 | client->errorValue = isDirect; | |||
294 | return BadValue2; | |||
295 | } | |||
296 | ||||
297 | /* Without any attributes, the only error that the driver should be | |||
298 | * able to generate is BadAlloc. As result, just drop the error | |||
299 | * returned from the driver on the floor. | |||
300 | */ | |||
301 | glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc, | |||
302 | 0, NULL((void*)0), &err); | |||
303 | } | |||
304 | else | |||
305 | glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); | |||
306 | if (!glxc) { | |||
307 | return BadAlloc11; | |||
308 | } | |||
309 | ||||
310 | /* Initialize the GLXcontext structure. | |||
311 | */ | |||
312 | glxc->pGlxScreen = pGlxScreen; | |||
313 | glxc->config = config; | |||
314 | glxc->id = gcId; | |||
315 | glxc->share_id = shareList; | |||
316 | glxc->idExists = GL_TRUE0x1; | |||
317 | glxc->isDirect = isDirect; | |||
318 | glxc->renderMode = GL_RENDER0x1C00; | |||
319 | ||||
320 | /* The GLX_ARB_create_context_robustness spec says: | |||
321 | * | |||
322 | * "The default value for GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB | |||
323 | * is GLX_NO_RESET_NOTIFICATION_ARB." | |||
324 | * | |||
325 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||
326 | * non-default reset notification strategy. | |||
327 | */ | |||
328 | glxc->resetNotificationStrategy = GLX_NO_RESET_NOTIFICATION_ARB0x8261; | |||
329 | ||||
330 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||
331 | /* The GLX_ARB_context_flush_control spec says: | |||
332 | * | |||
333 | * "The default value [for GLX_CONTEXT_RELEASE_BEHAVIOR] is | |||
334 | * CONTEXT_RELEASE_BEHAVIOR_FLUSH, and may in some cases be changed | |||
335 | * using platform-specific context creation extensions." | |||
336 | * | |||
337 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||
338 | * non-default release behavior. | |||
339 | */ | |||
340 | glxc->releaseBehavior = GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB; | |||
341 | #endif | |||
342 | ||||
343 | /* Add the new context to the various global tables of GLX contexts. | |||
344 | */ | |||
345 | if (!__glXAddContext(glxc)) { | |||
346 | (*glxc->destroy) (glxc); | |||
347 | client->errorValue = gcId; | |||
348 | return BadAlloc11; | |||
349 | } | |||
350 | ||||
351 | return Success0; | |||
352 | } | |||
353 | ||||
354 | int | |||
355 | __glXDisp_CreateContext(__GLXclientState * cl, GLbyte * pc) | |||
356 | { | |||
357 | ClientPtr client = cl->client; | |||
358 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; | |||
359 | __GLXconfig *config; | |||
360 | __GLXscreen *pGlxScreen; | |||
361 | int err; | |||
362 | ||||
363 | REQUEST_SIZE_MATCH(xGLXCreateContextReq)if ((sizeof(xGLXCreateContextReq) >> 2) != client->req_len ) return(16); | |||
364 | ||||
365 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
366 | return err; | |||
367 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||
368 | return err; | |||
369 | ||||
370 | return DoCreateContext(cl, req->context, req->shareList, | |||
371 | config, pGlxScreen, req->isDirect); | |||
372 | } | |||
373 | ||||
374 | int | |||
375 | __glXDisp_CreateNewContext(__GLXclientState * cl, GLbyte * pc) | |||
376 | { | |||
377 | ClientPtr client = cl->client; | |||
378 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; | |||
379 | __GLXconfig *config; | |||
380 | __GLXscreen *pGlxScreen; | |||
381 | int err; | |||
382 | ||||
383 | REQUEST_SIZE_MATCH(xGLXCreateNewContextReq)if ((sizeof(xGLXCreateNewContextReq) >> 2) != client-> req_len) return(16); | |||
384 | ||||
385 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
386 | return err; | |||
387 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
388 | return err; | |||
389 | ||||
390 | return DoCreateContext(cl, req->context, req->shareList, | |||
391 | config, pGlxScreen, req->isDirect); | |||
392 | } | |||
393 | ||||
394 | int | |||
395 | __glXDisp_CreateContextWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||
396 | { | |||
397 | ClientPtr client = cl->client; | |||
398 | xGLXCreateContextWithConfigSGIXReq *req = | |||
399 | (xGLXCreateContextWithConfigSGIXReq *) pc; | |||
400 | __GLXconfig *config; | |||
401 | __GLXscreen *pGlxScreen; | |||
402 | int err; | |||
403 | ||||
404 | REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq)if ((sizeof(xGLXCreateContextWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||
405 | ||||
406 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
407 | return err; | |||
408 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
409 | return err; | |||
410 | ||||
411 | return DoCreateContext(cl, req->context, req->shareList, | |||
412 | config, pGlxScreen, req->isDirect); | |||
413 | } | |||
414 | ||||
415 | int | |||
416 | __glXDisp_DestroyContext(__GLXclientState * cl, GLbyte * pc) | |||
417 | { | |||
418 | ClientPtr client = cl->client; | |||
419 | xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; | |||
420 | __GLXcontext *glxc; | |||
421 | int err; | |||
422 | ||||
423 | REQUEST_SIZE_MATCH(xGLXDestroyContextReq)if ((sizeof(xGLXDestroyContextReq) >> 2) != client-> req_len) return(16); | |||
424 | ||||
425 | if (!validGlxContext(cl->client, req->context, DixDestroyAccess(1<<2), | |||
426 | &glxc, &err)) | |||
427 | return err; | |||
428 | ||||
429 | glxc->idExists = GL_FALSE0x0; | |||
430 | if (!glxc->currentClient) | |||
431 | FreeResourceByType(req->context, __glXContextRes, FALSE0); | |||
432 | ||||
433 | return Success0; | |||
434 | } | |||
435 | ||||
436 | /* | |||
437 | * This will return "deleted" contexts, ie, where idExists is GL_FALSE. | |||
438 | * Contrast validGlxContext, which will not. We're cheating here and | |||
439 | * using the XID as the context tag, which is fine as long as we defer | |||
440 | * actually destroying the context until it's no longer referenced, and | |||
441 | * block clients from trying to MakeCurrent on contexts that are on the | |||
442 | * way to destruction. Notice that DoMakeCurrent calls validGlxContext | |||
443 | * for new contexts but __glXLookupContextByTag for previous contexts. | |||
444 | */ | |||
445 | __GLXcontext * | |||
446 | __glXLookupContextByTag(__GLXclientState * cl, GLXContextTag tag) | |||
447 | { | |||
448 | __GLXcontext *ret; | |||
449 | ||||
450 | if (dixLookupResourceByType((void **) &ret, tag, __glXContextRes, | |||
451 | cl->client, DixUseAccess(1<<24)) == Success0) | |||
452 | return ret; | |||
453 | ||||
454 | return NULL((void*)0); | |||
455 | } | |||
456 | ||||
457 | /*****************************************************************************/ | |||
458 | ||||
459 | static void | |||
460 | StopUsingContext(__GLXcontext * glxc) | |||
461 | { | |||
462 | if (glxc) { | |||
463 | glxc->currentClient = NULL((void*)0); | |||
464 | if (!glxc->idExists) { | |||
465 | FreeResourceByType(glxc->id, __glXContextRes, FALSE0); | |||
466 | } | |||
467 | } | |||
468 | } | |||
469 | ||||
470 | static void | |||
471 | StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) | |||
472 | { | |||
473 | glxc->currentClient = cl->client; | |||
474 | } | |||
475 | ||||
476 | /** | |||
477 | * This is a helper function to handle the legacy (pre GLX 1.3) cases | |||
478 | * where passing an X window to glXMakeCurrent is valid. Given a | |||
479 | * resource ID, look up the GLX drawable if available, otherwise, make | |||
480 | * sure it's an X window and create a GLX drawable one the fly. | |||
481 | */ | |||
482 | static __GLXdrawable * | |||
483 | __glXGetDrawable(__GLXcontext * glxc, GLXDrawable drawId, ClientPtr client, | |||
484 | int *error) | |||
485 | { | |||
486 | DrawablePtr pDraw; | |||
487 | __GLXdrawable *pGlxDraw; | |||
488 | int rc; | |||
489 | ||||
490 | if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||
491 | DixWriteAccess(1<<1), &pGlxDraw, &rc)) { | |||
492 | if (glxc != NULL((void*)0) && pGlxDraw->config != glxc->config) { | |||
493 | client->errorValue = drawId; | |||
494 | *error = BadMatch8; | |||
495 | return NULL((void*)0); | |||
496 | } | |||
497 | ||||
498 | return pGlxDraw; | |||
499 | } | |||
500 | ||||
501 | /* No active context and an unknown drawable, bail. */ | |||
502 | if (glxc == NULL((void*)0)) { | |||
503 | client->errorValue = drawId; | |||
504 | *error = BadMatch8; | |||
505 | return NULL((void*)0); | |||
506 | } | |||
507 | ||||
508 | /* The drawId wasn't a GLX drawable. Make sure it's a window and | |||
509 | * create a GLXWindow for it. Check that the drawable screen | |||
510 | * matches the context screen and that the context fbconfig is | |||
511 | * compatible with the window visual. */ | |||
512 | ||||
513 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess(1<<4)); | |||
514 | if (rc != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||
515 | client->errorValue = drawId; | |||
516 | *error = __glXError(GLXBadDrawable2); | |||
517 | return NULL((void*)0); | |||
518 | } | |||
519 | ||||
520 | if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { | |||
521 | client->errorValue = pDraw->pScreen->myNum; | |||
522 | *error = BadMatch8; | |||
523 | return NULL((void*)0); | |||
524 | } | |||
525 | ||||
526 | if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) | |||
527 | return NULL((void*)0); | |||
528 | ||||
529 | pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, | |||
530 | pDraw, drawId, | |||
531 | GLX_DRAWABLE_WINDOW, | |||
532 | drawId, glxc->config); | |||
533 | if (!pGlxDraw) { | |||
534 | *error = BadAlloc11; | |||
535 | return NULL((void*)0); | |||
536 | } | |||
537 | ||||
538 | /* since we are creating the drawablePrivate, drawId should be new */ | |||
539 | if (!AddResourceDarwin_X_AddResource(drawId, __glXDrawableRes, pGlxDraw)) { | |||
540 | *error = BadAlloc11; | |||
541 | return NULL((void*)0); | |||
542 | } | |||
543 | ||||
544 | return pGlxDraw; | |||
545 | } | |||
546 | ||||
547 | /*****************************************************************************/ | |||
548 | /* | |||
549 | ** Make an OpenGL context and drawable current. | |||
550 | */ | |||
551 | ||||
552 | static int | |||
553 | DoMakeCurrent(__GLXclientState * cl, | |||
554 | GLXDrawable drawId, GLXDrawable readId, | |||
555 | GLXContextID contextId, GLXContextTag tag) | |||
556 | { | |||
557 | ClientPtr client = cl->client; | |||
558 | xGLXMakeCurrentReply reply; | |||
559 | __GLXcontext *glxc, *prevglxc; | |||
560 | __GLXdrawable *drawPriv = NULL((void*)0); | |||
561 | __GLXdrawable *readPriv = NULL((void*)0); | |||
562 | int error; | |||
563 | GLuint mask; | |||
564 | ||||
565 | /* | |||
566 | ** If one is None and the other isn't, it's a bad match. | |||
567 | */ | |||
568 | ||||
569 | mask = (drawId == None0L) ? (1 << 0) : 0; | |||
570 | mask |= (readId == None0L) ? (1 << 1) : 0; | |||
571 | mask |= (contextId == None0L) ? (1 << 2) : 0; | |||
572 | ||||
573 | if ((mask != 0x00) && (mask != 0x07)) { | |||
574 | return BadMatch8; | |||
575 | } | |||
576 | ||||
577 | /* | |||
578 | ** Lookup old context. If we have one, it must be in a usable state. | |||
579 | */ | |||
580 | if (tag != 0) { | |||
581 | prevglxc = __glXLookupContextByTag(cl, tag); | |||
582 | if (!prevglxc) { | |||
583 | /* | |||
584 | ** Tag for previous context is invalid. | |||
585 | */ | |||
586 | return __glXError(GLXBadContextTag4); | |||
587 | } | |||
588 | if (prevglxc->renderMode != GL_RENDER0x1C00) { | |||
589 | /* Oops. Not in render mode render. */ | |||
590 | client->errorValue = prevglxc->id; | |||
591 | return __glXError(GLXBadContextState1); | |||
592 | } | |||
593 | } | |||
594 | else { | |||
595 | prevglxc = 0; | |||
596 | } | |||
597 | ||||
598 | /* | |||
599 | ** Lookup new context. It must not be current for someone else. | |||
600 | */ | |||
601 | if (contextId != None0L) { | |||
602 | int status; | |||
603 | ||||
604 | if (!validGlxContext(client, contextId, DixUseAccess(1<<24), &glxc, &error)) | |||
605 | return error; | |||
606 | if ((glxc != prevglxc) && glxc->currentClient) { | |||
607 | /* Context is current to somebody else */ | |||
608 | return BadAccess10; | |||
609 | } | |||
610 | ||||
611 | assert(drawId != None)(__builtin_expect(!(drawId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 611, "drawId != None") : (void)0); | |||
612 | assert(readId != None)(__builtin_expect(!(readId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 612, "readId != None") : (void)0); | |||
613 | ||||
614 | drawPriv = __glXGetDrawable(glxc, drawId, client, &status); | |||
615 | if (drawPriv == NULL((void*)0)) | |||
616 | return status; | |||
617 | ||||
618 | readPriv = __glXGetDrawable(glxc, readId, client, &status); | |||
619 | if (readPriv == NULL((void*)0)) | |||
620 | return status; | |||
621 | ||||
622 | } | |||
623 | else { | |||
624 | /* Switching to no context. Ignore new drawable. */ | |||
625 | glxc = 0; | |||
626 | drawPriv = 0; | |||
627 | readPriv = 0; | |||
628 | } | |||
629 | ||||
630 | if (prevglxc) { | |||
631 | /* | |||
632 | ** Flush the previous context if needed. | |||
633 | */ | |||
634 | Bool need_flush = GL_TRUE0x1; | |||
635 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||
636 | if (prevglxc->releaseBehavior == GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB) | |||
637 | need_flush = GL_FALSE0x0; | |||
638 | #endif | |||
639 | if (need_flush) { | |||
640 | if (__glXForceCurrent(cl, tag, (int *) &error)) { | |||
641 | glFlush(); | |||
642 | } | |||
643 | else { | |||
644 | return error; | |||
645 | } | |||
646 | } | |||
647 | ||||
648 | /* | |||
649 | ** Make the previous context not current. | |||
650 | */ | |||
651 | if (!(*prevglxc->loseCurrent) (prevglxc)) { | |||
652 | return __glXError(GLXBadContext0); | |||
653 | } | |||
654 | lastGLContext = NULL((void*)0); | |||
655 | if (!prevglxc->isDirect) { | |||
656 | prevglxc->drawPriv = NULL((void*)0); | |||
657 | prevglxc->readPriv = NULL((void*)0); | |||
658 | } | |||
659 | } | |||
660 | ||||
661 | if ((glxc != 0) && !glxc->isDirect) { | |||
662 | ||||
663 | glxc->drawPriv = drawPriv; | |||
664 | glxc->readPriv = readPriv; | |||
665 | ||||
666 | /* make the context current */ | |||
667 | lastGLContext = glxc; | |||
668 | if (!(*glxc->makeCurrent) (glxc)) { | |||
669 | lastGLContext = NULL((void*)0); | |||
670 | glxc->drawPriv = NULL((void*)0); | |||
671 | glxc->readPriv = NULL((void*)0); | |||
672 | return __glXError(GLXBadContext0); | |||
673 | } | |||
674 | ||||
675 | glxc->currentClient = client; | |||
676 | } | |||
677 | ||||
678 | StopUsingContext(prevglxc); | |||
679 | ||||
680 | reply = (xGLXMakeCurrentReply) { | |||
681 | .type = X_Reply1, | |||
682 | .sequenceNumber = client->sequence, | |||
683 | .length = 0, | |||
684 | .contextTag = 0 | |||
685 | }; | |||
686 | ||||
687 | if (glxc) { | |||
688 | StartUsingContext(cl, glxc); | |||
689 | reply.contextTag = glxc->id; | |||
690 | } | |||
691 | ||||
692 | if (client->swapped) { | |||
693 | __glXSwapMakeCurrentReply(client, &reply); | |||
694 | } | |||
695 | else { | |||
696 | WriteToClient(client, sz_xGLXMakeCurrentReply32, &reply); | |||
697 | } | |||
698 | return Success0; | |||
699 | } | |||
700 | ||||
701 | int | |||
702 | __glXDisp_MakeCurrent(__GLXclientState * cl, GLbyte * pc) | |||
703 | { | |||
704 | ClientPtr client = cl->client; | |||
705 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; | |||
706 | ||||
707 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReq)if ((sizeof(xGLXMakeCurrentReq) >> 2) != client->req_len ) return(16); | |||
708 | ||||
709 | return DoMakeCurrent(cl, req->drawable, req->drawable, | |||
710 | req->context, req->oldContextTag); | |||
711 | } | |||
712 | ||||
713 | int | |||
714 | __glXDisp_MakeContextCurrent(__GLXclientState * cl, GLbyte * pc) | |||
715 | { | |||
716 | ClientPtr client = cl->client; | |||
717 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; | |||
718 | ||||
719 | REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq)if ((sizeof(xGLXMakeContextCurrentReq) >> 2) != client-> req_len) return(16); | |||
720 | ||||
721 | return DoMakeCurrent(cl, req->drawable, req->readdrawable, | |||
722 | req->context, req->oldContextTag); | |||
723 | } | |||
724 | ||||
725 | int | |||
726 | __glXDisp_MakeCurrentReadSGI(__GLXclientState * cl, GLbyte * pc) | |||
727 | { | |||
728 | ClientPtr client = cl->client; | |||
729 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; | |||
730 | ||||
731 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq)if ((sizeof(xGLXMakeCurrentReadSGIReq) >> 2) != client-> req_len) return(16); | |||
732 | ||||
733 | return DoMakeCurrent(cl, req->drawable, req->readable, | |||
734 | req->context, req->oldContextTag); | |||
735 | } | |||
736 | ||||
737 | int | |||
738 | __glXDisp_IsDirect(__GLXclientState * cl, GLbyte * pc) | |||
739 | { | |||
740 | ClientPtr client = cl->client; | |||
741 | xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; | |||
742 | xGLXIsDirectReply reply; | |||
743 | __GLXcontext *glxc; | |||
744 | int err; | |||
745 | ||||
746 | REQUEST_SIZE_MATCH(xGLXIsDirectReq)if ((sizeof(xGLXIsDirectReq) >> 2) != client->req_len ) return(16); | |||
747 | ||||
748 | if (!validGlxContext(cl->client, req->context, DixReadAccess(1<<0), &glxc, &err)) | |||
749 | return err; | |||
750 | ||||
751 | reply = (xGLXIsDirectReply) { | |||
752 | .type = X_Reply1, | |||
753 | .sequenceNumber = client->sequence, | |||
754 | .length = 0, | |||
755 | .isDirect = glxc->isDirect | |||
756 | }; | |||
757 | ||||
758 | if (client->swapped) { | |||
759 | __glXSwapIsDirectReply(client, &reply); | |||
760 | } | |||
761 | else { | |||
762 | WriteToClient(client, sz_xGLXIsDirectReply32, &reply); | |||
763 | } | |||
764 | ||||
765 | return Success0; | |||
766 | } | |||
767 | ||||
768 | int | |||
769 | __glXDisp_QueryVersion(__GLXclientState * cl, GLbyte * pc) | |||
770 | { | |||
771 | ClientPtr client = cl->client; | |||
772 | xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; | |||
773 | xGLXQueryVersionReply reply; | |||
774 | GLuint major, minor; | |||
775 | ||||
776 | REQUEST_SIZE_MATCH(xGLXQueryVersionReq)if ((sizeof(xGLXQueryVersionReq) >> 2) != client->req_len ) return(16); | |||
777 | ||||
778 | major = req->majorVersion; | |||
779 | minor = req->minorVersion; | |||
780 | (void) major; | |||
781 | (void) minor; | |||
782 | ||||
783 | /* | |||
784 | ** Server should take into consideration the version numbers sent by the | |||
785 | ** client if it wants to work with older clients; however, in this | |||
786 | ** implementation the server just returns its version number. | |||
787 | */ | |||
788 | reply = (xGLXQueryVersionReply) { | |||
789 | .type = X_Reply1, | |||
790 | .sequenceNumber = client->sequence, | |||
791 | .length = 0, | |||
792 | .majorVersion = SERVER_GLX_MAJOR_VERSION1, | |||
793 | .minorVersion = SERVER_GLX_MINOR_VERSION4 | |||
794 | }; | |||
795 | ||||
796 | if (client->swapped) { | |||
797 | __glXSwapQueryVersionReply(client, &reply); | |||
798 | } | |||
799 | else { | |||
800 | WriteToClient(client, sz_xGLXQueryVersionReply32, &reply); | |||
801 | } | |||
802 | return Success0; | |||
803 | } | |||
804 | ||||
805 | int | |||
806 | __glXDisp_WaitGL(__GLXclientState * cl, GLbyte * pc) | |||
807 | { | |||
808 | ClientPtr client = cl->client; | |||
809 | xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; | |||
810 | GLXContextTag tag; | |||
811 | __GLXcontext *glxc = NULL((void*)0); | |||
812 | int error; | |||
813 | ||||
814 | REQUEST_SIZE_MATCH(xGLXWaitGLReq)if ((sizeof(xGLXWaitGLReq) >> 2) != client->req_len) return(16); | |||
815 | ||||
816 | tag = req->contextTag; | |||
817 | if (tag) { | |||
818 | glxc = __glXLookupContextByTag(cl, tag); | |||
819 | if (!glxc) | |||
820 | return __glXError(GLXBadContextTag4); | |||
821 | ||||
822 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||
823 | return error; | |||
824 | ||||
825 | glFinish(); | |||
826 | } | |||
827 | ||||
828 | if (glxc && glxc->drawPriv->waitGL) | |||
829 | (*glxc->drawPriv->waitGL) (glxc->drawPriv); | |||
830 | ||||
831 | return Success0; | |||
832 | } | |||
833 | ||||
834 | int | |||
835 | __glXDisp_WaitX(__GLXclientState * cl, GLbyte * pc) | |||
836 | { | |||
837 | ClientPtr client = cl->client; | |||
838 | xGLXWaitXReq *req = (xGLXWaitXReq *) pc; | |||
839 | GLXContextTag tag; | |||
840 | __GLXcontext *glxc = NULL((void*)0); | |||
841 | int error; | |||
842 | ||||
843 | REQUEST_SIZE_MATCH(xGLXWaitXReq)if ((sizeof(xGLXWaitXReq) >> 2) != client->req_len) return (16); | |||
844 | ||||
845 | tag = req->contextTag; | |||
846 | if (tag) { | |||
847 | glxc = __glXLookupContextByTag(cl, tag); | |||
848 | if (!glxc) | |||
849 | return __glXError(GLXBadContextTag4); | |||
850 | ||||
851 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||
852 | return error; | |||
853 | } | |||
854 | ||||
855 | if (glxc && glxc->drawPriv->waitX) | |||
856 | (*glxc->drawPriv->waitX) (glxc->drawPriv); | |||
857 | ||||
858 | return Success0; | |||
859 | } | |||
860 | ||||
861 | int | |||
862 | __glXDisp_CopyContext(__GLXclientState * cl, GLbyte * pc) | |||
863 | { | |||
864 | ClientPtr client = cl->client; | |||
865 | xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; | |||
866 | GLXContextID source; | |||
867 | GLXContextID dest; | |||
868 | GLXContextTag tag; | |||
869 | unsigned long mask; | |||
870 | __GLXcontext *src, *dst; | |||
871 | int error; | |||
872 | ||||
873 | REQUEST_SIZE_MATCH(xGLXCopyContextReq)if ((sizeof(xGLXCopyContextReq) >> 2) != client->req_len ) return(16); | |||
874 | ||||
875 | source = req->source; | |||
876 | dest = req->dest; | |||
877 | tag = req->contextTag; | |||
878 | mask = req->mask; | |||
879 | if (!validGlxContext(cl->client, source, DixReadAccess(1<<0), &src, &error)) | |||
880 | return error; | |||
881 | if (!validGlxContext(cl->client, dest, DixWriteAccess(1<<1), &dst, &error)) | |||
882 | return error; | |||
883 | ||||
884 | /* | |||
885 | ** They must be in the same address space, and same screen. | |||
886 | ** NOTE: no support for direct rendering contexts here. | |||
887 | */ | |||
888 | if (src->isDirect || dst->isDirect || (src->pGlxScreen != dst->pGlxScreen)) { | |||
889 | client->errorValue = source; | |||
890 | return BadMatch8; | |||
891 | } | |||
892 | ||||
893 | /* | |||
894 | ** The destination context must not be current for any client. | |||
895 | */ | |||
896 | if (dst->currentClient) { | |||
897 | client->errorValue = dest; | |||
898 | return BadAccess10; | |||
899 | } | |||
900 | ||||
901 | if (tag) { | |||
902 | __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); | |||
903 | ||||
904 | if (!tagcx) { | |||
905 | return __glXError(GLXBadContextTag4); | |||
906 | } | |||
907 | if (tagcx != src) { | |||
908 | /* | |||
909 | ** This would be caused by a faulty implementation of the client | |||
910 | ** library. | |||
911 | */ | |||
912 | return BadMatch8; | |||
913 | } | |||
914 | /* | |||
915 | ** In this case, glXCopyContext is in both GL and X streams, in terms | |||
916 | ** of sequentiality. | |||
917 | */ | |||
918 | if (__glXForceCurrent(cl, tag, &error)) { | |||
919 | /* | |||
920 | ** Do whatever is needed to make sure that all preceding requests | |||
921 | ** in both streams are completed before the copy is executed. | |||
922 | */ | |||
923 | glFinish(); | |||
924 | } | |||
925 | else { | |||
926 | return error; | |||
927 | } | |||
928 | } | |||
929 | /* | |||
930 | ** Issue copy. The only reason for failure is a bad mask. | |||
931 | */ | |||
932 | if (!(*dst->copy) (dst, src, mask)) { | |||
933 | client->errorValue = mask; | |||
934 | return BadValue2; | |||
935 | } | |||
936 | return Success0; | |||
937 | } | |||
938 | ||||
939 | enum { | |||
940 | GLX_VIS_CONFIG_UNPAIRED = 18, | |||
941 | GLX_VIS_CONFIG_PAIRED = 22 | |||
942 | }; | |||
943 | ||||
944 | enum { | |||
945 | GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED | |||
946 | }; | |||
947 | ||||
948 | int | |||
949 | __glXDisp_GetVisualConfigs(__GLXclientState * cl, GLbyte * pc) | |||
950 | { | |||
951 | xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; | |||
952 | ClientPtr client = cl->client; | |||
953 | xGLXGetVisualConfigsReply reply; | |||
954 | __GLXscreen *pGlxScreen; | |||
955 | __GLXconfig *modes; | |||
956 | CARD32 buf[GLX_VIS_CONFIG_TOTAL]; | |||
957 | int p, i, err; | |||
958 | ||||
959 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
960 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||
961 | ||||
962 | REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq)if ((sizeof(xGLXGetVisualConfigsReq) >> 2) != client-> req_len) return(16); | |||
963 | ||||
964 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
965 | return err; | |||
966 | ||||
967 | reply = (xGLXGetVisualConfigsReply) { | |||
968 | .type = X_Reply1, | |||
969 | .sequenceNumber = client->sequence, | |||
970 | .length = (pGlxScreen->numVisuals * | |||
971 | __GLX_SIZE_CARD324 * GLX_VIS_CONFIG_TOTAL) >> 2, | |||
972 | .numVisuals = pGlxScreen->numVisuals, | |||
973 | .numProps = GLX_VIS_CONFIG_TOTAL | |||
974 | }; | |||
975 | ||||
976 | if (client->swapped) { | |||
977 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||
978 | __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;; | |||
979 | __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;; | |||
980 | __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;; | |||
981 | } | |||
982 | ||||
983 | WriteToClient(client, sz_xGLXGetVisualConfigsReply32, &reply); | |||
984 | ||||
985 | for (i = 0; i < pGlxScreen->numVisuals; i++) { | |||
986 | modes = pGlxScreen->visuals[i]; | |||
987 | ||||
988 | p = 0; | |||
989 | buf[p++] = modes->visualID; | |||
990 | buf[p++] = glxConvertToXVisualType(modes->visualType); | |||
991 | buf[p++] = (modes->renderType & GLX_RGBA_BIT0x00000001) ? GL_TRUE0x1 : GL_FALSE0x0; | |||
992 | ||||
993 | buf[p++] = modes->redBits; | |||
994 | buf[p++] = modes->greenBits; | |||
995 | buf[p++] = modes->blueBits; | |||
996 | buf[p++] = modes->alphaBits; | |||
997 | buf[p++] = modes->accumRedBits; | |||
998 | buf[p++] = modes->accumGreenBits; | |||
999 | buf[p++] = modes->accumBlueBits; | |||
1000 | buf[p++] = modes->accumAlphaBits; | |||
1001 | ||||
1002 | buf[p++] = modes->doubleBufferMode; | |||
1003 | buf[p++] = modes->stereoMode; | |||
1004 | ||||
1005 | buf[p++] = modes->rgbBits; | |||
1006 | buf[p++] = modes->depthBits; | |||
1007 | buf[p++] = modes->stencilBits; | |||
1008 | buf[p++] = modes->numAuxBuffers; | |||
1009 | buf[p++] = modes->level; | |||
1010 | ||||
1011 | assert(p == GLX_VIS_CONFIG_UNPAIRED)(__builtin_expect(!(p == GLX_VIS_CONFIG_UNPAIRED), 0) ? __assert_rtn (__func__, "glxcmds.c", 1011, "p == GLX_VIS_CONFIG_UNPAIRED") : (void)0); | |||
1012 | /* | |||
1013 | ** Add token/value pairs for extensions. | |||
1014 | */ | |||
1015 | buf[p++] = GLX_VISUAL_CAVEAT_EXT0x20; | |||
1016 | buf[p++] = modes->visualRating; | |||
1017 | buf[p++] = GLX_TRANSPARENT_TYPE0x23; | |||
1018 | buf[p++] = modes->transparentPixel; | |||
1019 | buf[p++] = GLX_TRANSPARENT_RED_VALUE0x25; | |||
1020 | buf[p++] = modes->transparentRed; | |||
1021 | buf[p++] = GLX_TRANSPARENT_GREEN_VALUE0x26; | |||
1022 | buf[p++] = modes->transparentGreen; | |||
1023 | buf[p++] = GLX_TRANSPARENT_BLUE_VALUE0x27; | |||
1024 | buf[p++] = modes->transparentBlue; | |||
1025 | buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE0x28; | |||
1026 | buf[p++] = modes->transparentAlpha; | |||
1027 | buf[p++] = GLX_TRANSPARENT_INDEX_VALUE0x24; | |||
1028 | buf[p++] = modes->transparentIndex; | |||
1029 | buf[p++] = GLX_SAMPLES_SGIS100001; | |||
1030 | buf[p++] = modes->samples; | |||
1031 | buf[p++] = GLX_SAMPLE_BUFFERS_SGIS100000; | |||
1032 | buf[p++] = modes->sampleBuffers; | |||
1033 | /* Add attribute only if its value is not default. */ | |||
1034 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||
1035 | buf[p++] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT0x20B2; | |||
1036 | buf[p++] = modes->sRGBCapable; | |||
1037 | } | |||
1038 | /* Don't add visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? | |||
1039 | * Pad the remaining place with zeroes, so that attributes count is constant. */ | |||
1040 | while (p < GLX_VIS_CONFIG_TOTAL) { | |||
1041 | buf[p++] = 0; | |||
1042 | buf[p++] = 0; | |||
1043 | } | |||
1044 | ||||
1045 | assert(p == GLX_VIS_CONFIG_TOTAL)(__builtin_expect(!(p == GLX_VIS_CONFIG_TOTAL), 0) ? __assert_rtn (__func__, "glxcmds.c", 1045, "p == GLX_VIS_CONFIG_TOTAL") : ( void)0); | |||
1046 | if (client->swapped) { | |||
1047 | __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; }; | |||
1048 | } | |||
1049 | WriteToClient(client, __GLX_SIZE_CARD324 * p, buf); | |||
1050 | } | |||
1051 | return Success0; | |||
1052 | } | |||
1053 | ||||
1054 | #define __GLX_TOTAL_FBCONFIG_ATTRIBS(44) (44) | |||
1055 | #define __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) (__GLX_TOTAL_FBCONFIG_ATTRIBS(44) * 2) | |||
1056 | /** | |||
1057 | * Send the set of GLXFBConfigs to the client. There is not currently | |||
1058 | * and interface into the driver on the server-side to get GLXFBConfigs, | |||
1059 | * so we "invent" some based on the \c __GLXvisualConfig structures that | |||
1060 | * the driver does supply. | |||
1061 | * | |||
1062 | * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX | |||
1063 | * is the same, so this routine pulls double duty. | |||
1064 | */ | |||
1065 | ||||
1066 | static int | |||
1067 | DoGetFBConfigs(__GLXclientState * cl, unsigned screen) | |||
1068 | { | |||
1069 | ClientPtr client = cl->client; | |||
1070 | xGLXGetFBConfigsReply reply; | |||
1071 | __GLXscreen *pGlxScreen; | |||
1072 | CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)]; | |||
1073 | int p, err; | |||
1074 | __GLXconfig *modes; | |||
1075 | ||||
1076 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
1077 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||
1078 | ||||
1079 | if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) | |||
1080 | return err; | |||
1081 | ||||
1082 | reply = (xGLXGetFBConfigsReply) { | |||
1083 | .type = X_Reply1, | |||
1084 | .sequenceNumber = client->sequence, | |||
1085 | .length = __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) * pGlxScreen->numFBConfigs, | |||
1086 | .numFBConfigs = pGlxScreen->numFBConfigs, | |||
1087 | .numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS(44) | |||
1088 | }; | |||
1089 | ||||
1090 | if (client->swapped) { | |||
1091 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||
1092 | __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;; | |||
1093 | __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;; | |||
1094 | __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;; | |||
1095 | } | |||
1096 | ||||
1097 | WriteToClient(client, sz_xGLXGetFBConfigsReply32, &reply); | |||
1098 | ||||
1099 | for (modes = pGlxScreen->fbconfigs; modes != NULL((void*)0); modes = modes->next) { | |||
1100 | p = 0; | |||
1101 | ||||
1102 | #define WRITE_PAIR(tag,value)do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) \ | |||
1103 | do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) | |||
1104 | ||||
1105 | WRITE_PAIR(GLX_VISUAL_ID, modes->visualID)do { buf[p++] = 0x800B ; buf[p++] = modes->visualID ; } while ( 0 ); | |||
1106 | WRITE_PAIR(GLX_FBCONFIG_ID, modes->fbconfigID)do { buf[p++] = 0x8013 ; buf[p++] = modes->fbconfigID ; } while ( 0 ); | |||
1107 | WRITE_PAIR(GLX_X_RENDERABLE, GL_TRUE)do { buf[p++] = 0x8012 ; buf[p++] = 0x1 ; } while( 0 ); | |||
1108 | ||||
1109 | WRITE_PAIR(GLX_RGBA,do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ) | |||
1110 | (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE)do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ); | |||
1111 | WRITE_PAIR(GLX_RENDER_TYPE, modes->renderType)do { buf[p++] = 0x8011 ; buf[p++] = modes->renderType ; } while ( 0 ); | |||
1112 | WRITE_PAIR(GLX_DOUBLEBUFFER, modes->doubleBufferMode)do { buf[p++] = 5 ; buf[p++] = modes->doubleBufferMode ; } while( 0 ); | |||
1113 | WRITE_PAIR(GLX_STEREO, modes->stereoMode)do { buf[p++] = 6 ; buf[p++] = modes->stereoMode ; } while ( 0 ); | |||
1114 | ||||
1115 | WRITE_PAIR(GLX_BUFFER_SIZE, modes->rgbBits)do { buf[p++] = 2 ; buf[p++] = modes->rgbBits ; } while( 0 ); | |||
1116 | WRITE_PAIR(GLX_LEVEL, modes->level)do { buf[p++] = 3 ; buf[p++] = modes->level ; } while( 0 ); | |||
1117 | WRITE_PAIR(GLX_AUX_BUFFERS, modes->numAuxBuffers)do { buf[p++] = 7 ; buf[p++] = modes->numAuxBuffers ; } while ( 0 ); | |||
1118 | WRITE_PAIR(GLX_RED_SIZE, modes->redBits)do { buf[p++] = 8 ; buf[p++] = modes->redBits ; } while( 0 ); | |||
1119 | WRITE_PAIR(GLX_GREEN_SIZE, modes->greenBits)do { buf[p++] = 9 ; buf[p++] = modes->greenBits ; } while( 0 ); | |||
1120 | WRITE_PAIR(GLX_BLUE_SIZE, modes->blueBits)do { buf[p++] = 10 ; buf[p++] = modes->blueBits ; } while( 0 ); | |||
1121 | WRITE_PAIR(GLX_ALPHA_SIZE, modes->alphaBits)do { buf[p++] = 11 ; buf[p++] = modes->alphaBits ; } while ( 0 ); | |||
1122 | WRITE_PAIR(GLX_ACCUM_RED_SIZE, modes->accumRedBits)do { buf[p++] = 14 ; buf[p++] = modes->accumRedBits ; } while ( 0 ); | |||
1123 | WRITE_PAIR(GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits)do { buf[p++] = 15 ; buf[p++] = modes->accumGreenBits ; } while ( 0 ); | |||
1124 | WRITE_PAIR(GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits)do { buf[p++] = 16 ; buf[p++] = modes->accumBlueBits ; } while ( 0 ); | |||
1125 | WRITE_PAIR(GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits)do { buf[p++] = 17 ; buf[p++] = modes->accumAlphaBits ; } while ( 0 ); | |||
1126 | WRITE_PAIR(GLX_DEPTH_SIZE, modes->depthBits)do { buf[p++] = 12 ; buf[p++] = modes->depthBits ; } while ( 0 ); | |||
1127 | WRITE_PAIR(GLX_STENCIL_SIZE, modes->stencilBits)do { buf[p++] = 13 ; buf[p++] = modes->stencilBits ; } while ( 0 ); | |||
1128 | WRITE_PAIR(GLX_X_VISUAL_TYPE, modes->visualType)do { buf[p++] = 0x22 ; buf[p++] = modes->visualType ; } while ( 0 ); | |||
1129 | WRITE_PAIR(GLX_CONFIG_CAVEAT, modes->visualRating)do { buf[p++] = 0x20 ; buf[p++] = modes->visualRating ; } while ( 0 ); | |||
1130 | WRITE_PAIR(GLX_TRANSPARENT_TYPE, modes->transparentPixel)do { buf[p++] = 0x23 ; buf[p++] = modes->transparentPixel ; } while( 0 ); | |||
1131 | WRITE_PAIR(GLX_TRANSPARENT_RED_VALUE, modes->transparentRed)do { buf[p++] = 0x25 ; buf[p++] = modes->transparentRed ; } while( 0 ); | |||
1132 | WRITE_PAIR(GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen)do { buf[p++] = 0x26 ; buf[p++] = modes->transparentGreen ; } while( 0 ); | |||
1133 | WRITE_PAIR(GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue)do { buf[p++] = 0x27 ; buf[p++] = modes->transparentBlue ; } while( 0 ); | |||
1134 | WRITE_PAIR(GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha)do { buf[p++] = 0x28 ; buf[p++] = modes->transparentAlpha ; } while( 0 ); | |||
1135 | WRITE_PAIR(GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex)do { buf[p++] = 0x24 ; buf[p++] = modes->transparentIndex ; } while( 0 ); | |||
1136 | WRITE_PAIR(GLX_SWAP_METHOD_OML, modes->swapMethod)do { buf[p++] = 0x8060 ; buf[p++] = modes->swapMethod ; } while ( 0 ); | |||
1137 | WRITE_PAIR(GLX_SAMPLES_SGIS, modes->samples)do { buf[p++] = 100001 ; buf[p++] = modes->samples ; } while ( 0 ); | |||
1138 | WRITE_PAIR(GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers)do { buf[p++] = 100000 ; buf[p++] = modes->sampleBuffers ; } while( 0 ); | |||
1139 | WRITE_PAIR(GLX_VISUAL_SELECT_GROUP_SGIX, modes->visualSelectGroup)do { buf[p++] = 0x8028 ; buf[p++] = modes->visualSelectGroup ; } while( 0 ); | |||
1140 | WRITE_PAIR(GLX_DRAWABLE_TYPE, modes->drawableType)do { buf[p++] = 0x8010 ; buf[p++] = modes->drawableType ; } while( 0 ); | |||
1141 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb)do { buf[p++] = 0x20D0 ; buf[p++] = modes->bindToTextureRgb ; } while( 0 ); | |||
1142 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba)do { buf[p++] = 0x20D1 ; buf[p++] = modes->bindToTextureRgba ; } while( 0 ); | |||
1143 | WRITE_PAIR(GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture)do { buf[p++] = 0x20D2 ; buf[p++] = modes->bindToMipmapTexture ; } while( 0 ); | |||
1144 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_TARGETS_EXT,do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ) | |||
1145 | modes->bindToTextureTargets)do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ); | |||
1146 | /* can't report honestly until mesa is fixed */ | |||
1147 | WRITE_PAIR(GLX_Y_INVERTED_EXT, GLX_DONT_CARE)do { buf[p++] = 0x20D4 ; buf[p++] = 0xFFFFFFFF ; } while( 0 ); | |||
1148 | if (modes->drawableType & GLX_PBUFFER_BIT0x00000004) { | |||
1149 | WRITE_PAIR(GLX_MAX_PBUFFER_WIDTH, modes->maxPbufferWidth)do { buf[p++] = 0x8016 ; buf[p++] = modes->maxPbufferWidth ; } while( 0 ); | |||
1150 | WRITE_PAIR(GLX_MAX_PBUFFER_HEIGHT, modes->maxPbufferHeight)do { buf[p++] = 0x8017 ; buf[p++] = modes->maxPbufferHeight ; } while( 0 ); | |||
1151 | WRITE_PAIR(GLX_MAX_PBUFFER_PIXELS, modes->maxPbufferPixels)do { buf[p++] = 0x8018 ; buf[p++] = modes->maxPbufferPixels ; } while( 0 ); | |||
1152 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_WIDTH_SGIX,do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ) | |||
1153 | modes->optimalPbufferWidth)do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ); | |||
1154 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX,do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ) | |||
1155 | modes->optimalPbufferHeight)do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ); | |||
1156 | } | |||
1157 | /* Add attribute only if its value is not default. */ | |||
1158 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||
1159 | WRITE_PAIR(GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, modes->sRGBCapable)do { buf[p++] = 0x20B2 ; buf[p++] = modes->sRGBCapable ; } while( 0 ); | |||
1160 | } | |||
1161 | /* Pad the remaining place with zeroes, so that attributes count is constant. */ | |||
1162 | while (p < __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)) { | |||
1163 | WRITE_PAIR(0, 0)do { buf[p++] = 0 ; buf[p++] = 0 ; } while( 0 ); | |||
1164 | } | |||
1165 | assert(p == __GLX_FBCONFIG_ATTRIBS_LENGTH)(__builtin_expect(!(p == ((44) * 2)), 0) ? __assert_rtn(__func__ , "glxcmds.c", 1165, "p == __GLX_FBCONFIG_ATTRIBS_LENGTH") : ( void)0); | |||
1166 | ||||
1167 | if (client->swapped) { | |||
1168 | __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; }; | |||
1169 | } | |||
1170 | WriteToClient(client, __GLX_SIZE_CARD324 * __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2), | |||
1171 | (char *) buf); | |||
1172 | } | |||
1173 | return Success0; | |||
1174 | } | |||
1175 | ||||
1176 | int | |||
1177 | __glXDisp_GetFBConfigs(__GLXclientState * cl, GLbyte * pc) | |||
1178 | { | |||
1179 | ClientPtr client = cl->client; | |||
1180 | xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; | |||
1181 | ||||
1182 | REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq)if ((sizeof(xGLXGetFBConfigsReq) >> 2) != client->req_len ) return(16); | |||
1183 | return DoGetFBConfigs(cl, req->screen); | |||
1184 | } | |||
1185 | ||||
1186 | int | |||
1187 | __glXDisp_GetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1188 | { | |||
1189 | ClientPtr client = cl->client; | |||
1190 | xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; | |||
1191 | ||||
1192 | /* work around mesa bug, don't use REQUEST_SIZE_MATCH */ | |||
1193 | REQUEST_AT_LEAST_SIZE(xGLXGetFBConfigsSGIXReq)if ((sizeof(xGLXGetFBConfigsSGIXReq) >> 2) > client-> req_len ) return(16); | |||
1194 | return DoGetFBConfigs(cl, req->screen); | |||
1195 | } | |||
1196 | ||||
1197 | GLboolean | |||
1198 | __glXDrawableInit(__GLXdrawable * drawable, | |||
1199 | __GLXscreen * screen, DrawablePtr pDraw, int type, | |||
1200 | XID drawId, __GLXconfig * config) | |||
1201 | { | |||
1202 | drawable->pDraw = pDraw; | |||
1203 | drawable->type = type; | |||
1204 | drawable->drawId = drawId; | |||
1205 | drawable->config = config; | |||
1206 | drawable->eventMask = 0; | |||
1207 | ||||
1208 | return GL_TRUE0x1; | |||
1209 | } | |||
1210 | ||||
1211 | void | |||
1212 | __glXDrawableRelease(__GLXdrawable * drawable) | |||
1213 | { | |||
1214 | } | |||
1215 | ||||
1216 | static int | |||
1217 | DoCreateGLXDrawable(ClientPtr client, __GLXscreen * pGlxScreen, | |||
1218 | __GLXconfig * config, DrawablePtr pDraw, XID drawableId, | |||
1219 | XID glxDrawableId, int type) | |||
1220 | { | |||
1221 | __GLXdrawable *pGlxDraw; | |||
1222 | ||||
1223 | if (pGlxScreen->pScreen != pDraw->pScreen) | |||
1224 | return BadMatch8; | |||
1225 | ||||
1226 | pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, | |||
1227 | drawableId, type, | |||
1228 | glxDrawableId, config); | |||
1229 | if (pGlxDraw == NULL((void*)0)) | |||
1230 | return BadAlloc11; | |||
1231 | ||||
1232 | if (!AddResourceDarwin_X_AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) | |||
1233 | return BadAlloc11; | |||
1234 | ||||
1235 | /* | |||
1236 | * Windows aren't refcounted, so track both the X and the GLX window | |||
1237 | * so we get called regardless of destruction order. | |||
1238 | */ | |||
1239 | if (drawableId != glxDrawableId && type == GLX_DRAWABLE_WINDOW && | |||
1240 | !AddResourceDarwin_X_AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) | |||
1241 | return BadAlloc11; | |||
1242 | ||||
1243 | return Success0; | |||
1244 | } | |||
1245 | ||||
1246 | static int | |||
1247 | DoCreateGLXPixmap(ClientPtr client, __GLXscreen * pGlxScreen, | |||
1248 | __GLXconfig * config, XID drawableId, XID glxDrawableId) | |||
1249 | { | |||
1250 | DrawablePtr pDraw; | |||
1251 | int err; | |||
1252 | ||||
1253 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||
1254 | ||||
1255 | err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess(1<<12)); | |||
1256 | if (err != Success0) { | |||
1257 | client->errorValue = drawableId; | |||
1258 | return err; | |||
1259 | } | |||
1260 | if (pDraw->type != DRAWABLE_PIXMAP1) { | |||
1261 | client->errorValue = drawableId; | |||
1262 | return BadPixmap4; | |||
1263 | } | |||
1264 | ||||
1265 | err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, | |||
1266 | glxDrawableId, GLX_DRAWABLE_PIXMAP); | |||
1267 | ||||
1268 | if (err == Success0) | |||
1269 | ((PixmapPtr) pDraw)->refcnt++; | |||
1270 | ||||
1271 | return err; | |||
1272 | } | |||
1273 | ||||
1274 | static void | |||
1275 | determineTextureTarget(ClientPtr client, XID glxDrawableID, | |||
1276 | CARD32 *attribs, CARD32 numAttribs) | |||
1277 | { | |||
1278 | GLenum target = 0; | |||
1279 | GLenum format = 0; | |||
1280 | int i, err; | |||
1281 | __GLXdrawable *pGlxDraw; | |||
1282 | ||||
1283 | if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, | |||
1284 | DixWriteAccess(1<<1), &pGlxDraw, &err)) | |||
1285 | /* We just added it in CreatePixmap, so we should never get here. */ | |||
1286 | return; | |||
1287 | ||||
1288 | for (i = 0; i < numAttribs; i++) { | |||
1289 | if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT0x20D6) { | |||
1290 | switch (attribs[2 * i + 1]) { | |||
1291 | case GLX_TEXTURE_2D_EXT0x20DC: | |||
1292 | target = GL_TEXTURE_2D0x0DE1; | |||
1293 | break; | |||
1294 | case GLX_TEXTURE_RECTANGLE_EXT0x20DD: | |||
1295 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||
1296 | break; | |||
1297 | } | |||
1298 | } | |||
1299 | ||||
1300 | if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT0x20D5) | |||
1301 | format = attribs[2 * i + 1]; | |||
1302 | } | |||
1303 | ||||
1304 | if (!target) { | |||
1305 | int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; | |||
1306 | ||||
1307 | if (h & (h - 1) || w & (w - 1)) | |||
1308 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||
1309 | else | |||
1310 | target = GL_TEXTURE_2D0x0DE1; | |||
1311 | } | |||
1312 | ||||
1313 | pGlxDraw->target = target; | |||
1314 | pGlxDraw->format = format; | |||
1315 | } | |||
1316 | ||||
1317 | int | |||
1318 | __glXDisp_CreateGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||
1319 | { | |||
1320 | ClientPtr client = cl->client; | |||
1321 | xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; | |||
1322 | __GLXconfig *config; | |||
1323 | __GLXscreen *pGlxScreen; | |||
1324 | int err; | |||
1325 | ||||
1326 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq)if ((sizeof(xGLXCreateGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||
1327 | ||||
1328 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
1329 | return err; | |||
1330 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||
1331 | return err; | |||
1332 | ||||
1333 | return DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||
1334 | req->pixmap, req->glxpixmap); | |||
1335 | } | |||
1336 | ||||
1337 | int | |||
1338 | __glXDisp_CreatePixmap(__GLXclientState * cl, GLbyte * pc) | |||
1339 | { | |||
1340 | ClientPtr client = cl->client; | |||
1341 | xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; | |||
1342 | __GLXconfig *config; | |||
1343 | __GLXscreen *pGlxScreen; | |||
1344 | int err; | |||
1345 | ||||
1346 | REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq)if ((sizeof(xGLXCreatePixmapReq) >> 2) > client-> req_len ) return(16); | |||
1347 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1348 | client->errorValue = req->numAttribs; | |||
1349 | return BadValue2; | |||
1350 | } | |||
1351 | 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); | |||
1352 | ||||
1353 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
1354 | return err; | |||
1355 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
1356 | return err; | |||
1357 | ||||
1358 | err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||
1359 | req->pixmap, req->glxpixmap); | |||
1360 | if (err != Success0) | |||
1361 | return err; | |||
1362 | ||||
1363 | determineTextureTarget(cl->client, req->glxpixmap, | |||
1364 | (CARD32 *) (req + 1), req->numAttribs); | |||
1365 | ||||
1366 | return Success0; | |||
1367 | } | |||
1368 | ||||
1369 | int | |||
1370 | __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1371 | { | |||
1372 | ClientPtr client = cl->client; | |||
1373 | xGLXCreateGLXPixmapWithConfigSGIXReq *req = | |||
1374 | (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; | |||
1375 | __GLXconfig *config; | |||
1376 | __GLXscreen *pGlxScreen; | |||
1377 | int err; | |||
1378 | ||||
1379 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq)if ((sizeof(xGLXCreateGLXPixmapWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||
1380 | ||||
1381 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||
1382 | return err; | |||
1383 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||
1384 | return err; | |||
1385 | ||||
1386 | return DoCreateGLXPixmap(cl->client, pGlxScreen, | |||
1387 | config, req->pixmap, req->glxpixmap); | |||
1388 | } | |||
1389 | ||||
1390 | static int | |||
1391 | DoDestroyDrawable(__GLXclientState * cl, XID glxdrawable, int type) | |||
1392 | { | |||
1393 | __GLXdrawable *pGlxDraw; | |||
1394 | int err; | |||
1395 | ||||
1396 | if (!validGlxDrawable(cl->client, glxdrawable, type, | |||
1397 | DixDestroyAccess(1<<2), &pGlxDraw, &err)) | |||
1398 | return err; | |||
1399 | ||||
1400 | FreeResource(glxdrawable, FALSE0); | |||
1401 | ||||
1402 | return Success0; | |||
1403 | } | |||
1404 | ||||
1405 | int | |||
1406 | __glXDisp_DestroyGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||
1407 | { | |||
1408 | ClientPtr client = cl->client; | |||
1409 | xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; | |||
1410 | ||||
1411 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq)if ((sizeof(xGLXDestroyGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||
1412 | ||||
1413 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||
1414 | } | |||
1415 | ||||
1416 | int | |||
1417 | __glXDisp_DestroyPixmap(__GLXclientState * cl, GLbyte * pc) | |||
1418 | { | |||
1419 | ClientPtr client = cl->client; | |||
1420 | xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; | |||
1421 | ||||
1422 | /* should be REQUEST_SIZE_MATCH, but mesa's glXDestroyPixmap used to set | |||
1423 | * length to 3 instead of 2 */ | |||
1424 | REQUEST_AT_LEAST_SIZE(xGLXDestroyPixmapReq)if ((sizeof(xGLXDestroyPixmapReq) >> 2) > client-> req_len ) return(16); | |||
1425 | ||||
1426 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||
1427 | } | |||
1428 | ||||
1429 | static int | |||
1430 | DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, | |||
1431 | int width, int height, XID glxDrawableId) | |||
1432 | { | |||
1433 | __GLXconfig *config; | |||
1434 | __GLXscreen *pGlxScreen; | |||
1435 | PixmapPtr pPixmap; | |||
1436 | int err; | |||
1437 | ||||
1438 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||
1439 | ||||
1440 | if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) | |||
1441 | return err; | |||
1442 | if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) | |||
1443 | return err; | |||
1444 | ||||
1445 | __glXenterServer(GL_FALSE0x0); | |||
1446 | pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, | |||
1447 | width, height, | |||
1448 | config->rgbBits, 0); | |||
1449 | __glXleaveServer(GL_FALSE0x0); | |||
1450 | if (!pPixmap) | |||
1451 | return BadAlloc11; | |||
1452 | ||||
1453 | /* Assign the pixmap the same id as the pbuffer and add it as a | |||
1454 | * resource so it and the DRI2 drawable will be reclaimed when the | |||
1455 | * pbuffer is destroyed. */ | |||
1456 | pPixmap->drawable.id = glxDrawableId; | |||
1457 | if (!AddResourceDarwin_X_AddResource(pPixmap->drawable.id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), pPixmap)) | |||
1458 | return BadAlloc11; | |||
1459 | ||||
1460 | return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, | |||
1461 | glxDrawableId, glxDrawableId, | |||
1462 | GLX_DRAWABLE_PBUFFER); | |||
1463 | } | |||
1464 | ||||
1465 | int | |||
1466 | __glXDisp_CreatePbuffer(__GLXclientState * cl, GLbyte * pc) | |||
1467 | { | |||
1468 | ClientPtr client = cl->client; | |||
1469 | xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; | |||
1470 | CARD32 *attrs; | |||
1471 | int width, height, i; | |||
1472 | ||||
1473 | REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq)if ((sizeof(xGLXCreatePbufferReq) >> 2) > client-> req_len ) return(16); | |||
1474 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1475 | client->errorValue = req->numAttribs; | |||
1476 | return BadValue2; | |||
1477 | } | |||
1478 | 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); | |||
1479 | ||||
1480 | attrs = (CARD32 *) (req + 1); | |||
1481 | width = 0; | |||
1482 | height = 0; | |||
1483 | ||||
1484 | for (i = 0; i < req->numAttribs; i++) { | |||
1485 | switch (attrs[i * 2]) { | |||
1486 | case GLX_PBUFFER_WIDTH0x8041: | |||
1487 | width = attrs[i * 2 + 1]; | |||
1488 | break; | |||
1489 | case GLX_PBUFFER_HEIGHT0x8040: | |||
1490 | height = attrs[i * 2 + 1]; | |||
1491 | break; | |||
1492 | case GLX_LARGEST_PBUFFER0x801C: | |||
1493 | /* FIXME: huh... */ | |||
1494 | break; | |||
1495 | } | |||
1496 | } | |||
1497 | ||||
1498 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||
1499 | width, height, req->pbuffer); | |||
1500 | } | |||
1501 | ||||
1502 | int | |||
1503 | __glXDisp_CreateGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1504 | { | |||
1505 | ClientPtr client = cl->client; | |||
1506 | xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; | |||
1507 | ||||
1508 | REQUEST_AT_LEAST_SIZE(xGLXCreateGLXPbufferSGIXReq)if ((sizeof(xGLXCreateGLXPbufferSGIXReq) >> 2) > client ->req_len ) return(16); | |||
1509 | ||||
1510 | /* | |||
1511 | * We should really handle attributes correctly, but this extension | |||
1512 | * is so rare I have difficulty caring. | |||
1513 | */ | |||
1514 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||
1515 | req->width, req->height, req->pbuffer); | |||
1516 | } | |||
1517 | ||||
1518 | int | |||
1519 | __glXDisp_DestroyPbuffer(__GLXclientState * cl, GLbyte * pc) | |||
1520 | { | |||
1521 | ClientPtr client = cl->client; | |||
1522 | xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; | |||
1523 | ||||
1524 | REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq)if ((sizeof(xGLXDestroyPbufferReq) >> 2) != client-> req_len) return(16); | |||
1525 | ||||
1526 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||
1527 | } | |||
1528 | ||||
1529 | int | |||
1530 | __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1531 | { | |||
1532 | ClientPtr client = cl->client; | |||
1533 | xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; | |||
1534 | ||||
1535 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq)if ((sizeof(xGLXDestroyGLXPbufferSGIXReq) >> 2) != client ->req_len) return(16); | |||
1536 | ||||
1537 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||
1538 | } | |||
1539 | ||||
1540 | static int | |||
1541 | DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, | |||
1542 | int numAttribs, CARD32 *attribs) | |||
1543 | { | |||
1544 | __GLXdrawable *pGlxDraw; | |||
1545 | int i, err; | |||
1546 | ||||
1547 | if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, | |||
1548 | DixSetAttrAccess(1<<5), &pGlxDraw, &err)) | |||
1549 | return err; | |||
1550 | ||||
1551 | for (i = 0; i < numAttribs; i++) { | |||
1552 | switch (attribs[i * 2]) { | |||
1553 | case GLX_EVENT_MASK0x801F: | |||
1554 | /* All we do is to record the event mask so we can send it | |||
1555 | * back when queried. We never actually clobber the | |||
1556 | * pbuffers, so we never need to send out the event. */ | |||
1557 | pGlxDraw->eventMask = attribs[i * 2 + 1]; | |||
1558 | break; | |||
1559 | } | |||
1560 | } | |||
1561 | ||||
1562 | return Success0; | |||
1563 | } | |||
1564 | ||||
1565 | int | |||
1566 | __glXDisp_ChangeDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||
1567 | { | |||
1568 | ClientPtr client = cl->client; | |||
1569 | xGLXChangeDrawableAttributesReq *req = | |||
1570 | (xGLXChangeDrawableAttributesReq *) pc; | |||
1571 | ||||
1572 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq)if ((sizeof(xGLXChangeDrawableAttributesReq) >> 2) > client->req_len ) return(16); | |||
1573 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1574 | client->errorValue = req->numAttribs; | |||
1575 | return BadValue2; | |||
1576 | } | |||
1577 | #if 0 | |||
1578 | /* mesa sends an additional 8 bytes */ | |||
1579 | 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); | |||
1580 | #else | |||
1581 | if (((sizeof(xGLXChangeDrawableAttributesReq) + | |||
1582 | (req->numAttribs << 3)) >> 2) < client->req_len) | |||
1583 | return BadLength16; | |||
1584 | #endif | |||
1585 | ||||
1586 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||
1587 | req->numAttribs, (CARD32 *) (req + 1)); | |||
1588 | } | |||
1589 | ||||
1590 | int | |||
1591 | __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1592 | { | |||
1593 | ClientPtr client = cl->client; | |||
1594 | xGLXChangeDrawableAttributesSGIXReq *req = | |||
1595 | (xGLXChangeDrawableAttributesSGIXReq *) pc; | |||
1596 | ||||
1597 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq)if ((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len ) return(16); | |||
1598 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
1599 | client->errorValue = req->numAttribs; | |||
1600 | return BadValue2; | |||
1601 | } | |||
1602 | 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) | |||
1603 | 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); | |||
1604 | ||||
1605 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||
1606 | req->numAttribs, (CARD32 *) (req + 1)); | |||
1607 | } | |||
1608 | ||||
1609 | int | |||
1610 | __glXDisp_CreateWindow(__GLXclientState * cl, GLbyte * pc) | |||
1611 | { | |||
1612 | xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; | |||
1613 | __GLXconfig *config; | |||
1614 | __GLXscreen *pGlxScreen; | |||
1615 | ClientPtr client = cl->client; | |||
1616 | DrawablePtr pDraw; | |||
1617 | int err; | |||
1618 | ||||
1619 | REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq)if ((sizeof(xGLXCreateWindowReq) >> 2) > client-> req_len ) return(16); | |||
1620 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||
| ||||
1621 | client->errorValue = req->numAttribs; | |||
1622 | return BadValue2; | |||
1623 | } | |||
1624 | 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); | |||
1625 | ||||
1626 | LEGAL_NEW_RESOURCE(req->glxwindow, client)if (!LegalNewID(req->glxwindow,client)) { client->errorValue = req->glxwindow; return 14; }; | |||
1627 | ||||
1628 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
1629 | return err; | |||
1630 | if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) | |||
1631 | return err; | |||
1632 | ||||
1633 | err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess(1<<12)); | |||
1634 | if (err != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||
1635 | client->errorValue = req->window; | |||
1636 | return BadWindow3; | |||
1637 | } | |||
1638 | ||||
1639 | if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) | |||
1640 | return err; | |||
1641 | ||||
1642 | return DoCreateGLXDrawable(client, pGlxScreen, config, | |||
1643 | pDraw, req->window, | |||
1644 | req->glxwindow, GLX_DRAWABLE_WINDOW); | |||
1645 | } | |||
1646 | ||||
1647 | int | |||
1648 | __glXDisp_DestroyWindow(__GLXclientState * cl, GLbyte * pc) | |||
1649 | { | |||
1650 | ClientPtr client = cl->client; | |||
1651 | xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; | |||
1652 | ||||
1653 | /* mesa's glXDestroyWindow used to set length to 3 instead of 2 */ | |||
1654 | REQUEST_AT_LEAST_SIZE(xGLXDestroyWindowReq)if ((sizeof(xGLXDestroyWindowReq) >> 2) > client-> req_len ) return(16); | |||
1655 | ||||
1656 | return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); | |||
1657 | } | |||
1658 | ||||
1659 | /*****************************************************************************/ | |||
1660 | ||||
1661 | /* | |||
1662 | ** NOTE: There is no portable implementation for swap buffers as of | |||
1663 | ** this time that is of value. Consequently, this code must be | |||
1664 | ** implemented by somebody other than SGI. | |||
1665 | */ | |||
1666 | int | |||
1667 | __glXDisp_SwapBuffers(__GLXclientState * cl, GLbyte * pc) | |||
1668 | { | |||
1669 | ClientPtr client = cl->client; | |||
1670 | xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; | |||
1671 | GLXContextTag tag; | |||
1672 | XID drawId; | |||
1673 | __GLXcontext *glxc = NULL((void*)0); | |||
1674 | __GLXdrawable *pGlxDraw; | |||
1675 | int error; | |||
1676 | ||||
1677 | REQUEST_SIZE_MATCH(xGLXSwapBuffersReq)if ((sizeof(xGLXSwapBuffersReq) >> 2) != client->req_len ) return(16); | |||
1678 | ||||
1679 | tag = req->contextTag; | |||
1680 | drawId = req->drawable; | |||
1681 | if (tag) { | |||
1682 | glxc = __glXLookupContextByTag(cl, tag); | |||
1683 | if (!glxc) { | |||
1684 | return __glXError(GLXBadContextTag4); | |||
1685 | } | |||
1686 | /* | |||
1687 | ** The calling thread is swapping its current drawable. In this case, | |||
1688 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||
1689 | ** sequentiality. | |||
1690 | */ | |||
1691 | if (__glXForceCurrent(cl, tag, &error)) { | |||
1692 | /* | |||
1693 | ** Do whatever is needed to make sure that all preceding requests | |||
1694 | ** in both streams are completed before the swap is executed. | |||
1695 | */ | |||
1696 | glFinish(); | |||
1697 | } | |||
1698 | else { | |||
1699 | return error; | |||
1700 | } | |||
1701 | } | |||
1702 | ||||
1703 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||
1704 | if (pGlxDraw == NULL((void*)0)) | |||
1705 | return error; | |||
1706 | ||||
1707 | if (pGlxDraw->type == DRAWABLE_WINDOW0 && | |||
1708 | (*pGlxDraw->swapBuffers) (cl->client, pGlxDraw) == GL_FALSE0x0) | |||
1709 | return __glXError(GLXBadDrawable2); | |||
1710 | ||||
1711 | return Success0; | |||
1712 | } | |||
1713 | ||||
1714 | static int | |||
1715 | DoQueryContext(__GLXclientState * cl, GLXContextID gcId) | |||
1716 | { | |||
1717 | ClientPtr client = cl->client; | |||
1718 | __GLXcontext *ctx; | |||
1719 | xGLXQueryContextInfoEXTReply reply; | |||
1720 | int nProps = 3; | |||
1721 | int sendBuf[nProps * 2]; | |||
1722 | int nReplyBytes; | |||
1723 | int err; | |||
1724 | ||||
1725 | if (!validGlxContext(cl->client, gcId, DixReadAccess(1<<0), &ctx, &err)) | |||
1726 | return err; | |||
1727 | ||||
1728 | reply = (xGLXQueryContextInfoEXTReply) { | |||
1729 | .type = X_Reply1, | |||
1730 | .sequenceNumber = client->sequence, | |||
1731 | .length = nProps << 1, | |||
1732 | .n = nProps | |||
1733 | }; | |||
1734 | ||||
1735 | nReplyBytes = reply.length << 2; | |||
1736 | sendBuf[0] = GLX_SHARE_CONTEXT_EXT0x800A; | |||
1737 | sendBuf[1] = (int) (ctx->share_id); | |||
1738 | sendBuf[2] = GLX_VISUAL_ID_EXT0x800B; | |||
1739 | sendBuf[3] = (int) (ctx->config->visualID); | |||
1740 | sendBuf[4] = GLX_SCREEN_EXT0x800C; | |||
1741 | sendBuf[5] = (int) (ctx->pGlxScreen->pScreen->myNum); | |||
1742 | ||||
1743 | if (client->swapped) { | |||
1744 | __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); | |||
1745 | } | |||
1746 | else { | |||
1747 | WriteToClient(client, sz_xGLXQueryContextInfoEXTReply32, &reply); | |||
1748 | WriteToClient(client, nReplyBytes, sendBuf); | |||
1749 | } | |||
1750 | ||||
1751 | return Success0; | |||
1752 | } | |||
1753 | ||||
1754 | int | |||
1755 | __glXDisp_QueryContextInfoEXT(__GLXclientState * cl, GLbyte * pc) | |||
1756 | { | |||
1757 | ClientPtr client = cl->client; | |||
1758 | xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; | |||
1759 | ||||
1760 | REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq)if ((sizeof(xGLXQueryContextInfoEXTReq) >> 2) != client ->req_len) return(16); | |||
1761 | ||||
1762 | return DoQueryContext(cl, req->context); | |||
1763 | } | |||
1764 | ||||
1765 | int | |||
1766 | __glXDisp_QueryContext(__GLXclientState * cl, GLbyte * pc) | |||
1767 | { | |||
1768 | ClientPtr client = cl->client; | |||
1769 | xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; | |||
1770 | ||||
1771 | REQUEST_SIZE_MATCH(xGLXQueryContextReq)if ((sizeof(xGLXQueryContextReq) >> 2) != client->req_len ) return(16); | |||
1772 | ||||
1773 | return DoQueryContext(cl, req->context); | |||
1774 | } | |||
1775 | ||||
1776 | int | |||
1777 | __glXDisp_BindTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||
1778 | { | |||
1779 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
1780 | ClientPtr client = cl->client; | |||
1781 | __GLXcontext *context; | |||
1782 | __GLXdrawable *pGlxDraw; | |||
1783 | GLXDrawable drawId; | |||
1784 | int buffer; | |||
1785 | int error; | |||
1786 | CARD32 num_attribs; | |||
1787 | ||||
1788 | if ((sizeof(xGLXVendorPrivateReq) + 12) >> 2 > client->req_len) | |||
1789 | return BadLength16; | |||
1790 | ||||
1791 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
1792 | ||||
1793 | drawId = *((CARD32 *) (pc)); | |||
1794 | buffer = *((INT32 *) (pc + 4)); | |||
1795 | num_attribs = *((CARD32 *) (pc + 8)); | |||
1796 | if (num_attribs > (UINT32_MAX4294967295U >> 3)) { | |||
1797 | client->errorValue = num_attribs; | |||
1798 | return BadValue2; | |||
1799 | } | |||
1800 | 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); | |||
1801 | ||||
1802 | if (buffer != GLX_FRONT_LEFT_EXT0x20DE) | |||
1803 | return __glXError(GLXBadPixmap3); | |||
1804 | ||||
1805 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||
1806 | if (!context) | |||
1807 | return error; | |||
1808 | ||||
1809 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||
1810 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||
1811 | return error; | |||
1812 | ||||
1813 | if (!context->textureFromPixmap) | |||
1814 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
1815 | ||||
1816 | return context->textureFromPixmap->bindTexImage(context, buffer, pGlxDraw); | |||
1817 | } | |||
1818 | ||||
1819 | int | |||
1820 | __glXDisp_ReleaseTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||
1821 | { | |||
1822 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
1823 | ClientPtr client = cl->client; | |||
1824 | __GLXdrawable *pGlxDraw; | |||
1825 | __GLXcontext *context; | |||
1826 | GLXDrawable drawId; | |||
1827 | int buffer; | |||
1828 | int error; | |||
1829 | ||||
1830 | 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); | |||
1831 | ||||
1832 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
1833 | ||||
1834 | drawId = *((CARD32 *) (pc)); | |||
1835 | buffer = *((INT32 *) (pc + 4)); | |||
1836 | ||||
1837 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||
1838 | if (!context) | |||
1839 | return error; | |||
1840 | ||||
1841 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||
1842 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||
1843 | return error; | |||
1844 | ||||
1845 | if (!context->textureFromPixmap) | |||
1846 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
1847 | ||||
1848 | return context->textureFromPixmap->releaseTexImage(context, | |||
1849 | buffer, pGlxDraw); | |||
1850 | } | |||
1851 | ||||
1852 | int | |||
1853 | __glXDisp_CopySubBufferMESA(__GLXclientState * cl, GLbyte * pc) | |||
1854 | { | |||
1855 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
1856 | GLXContextTag tag = req->contextTag; | |||
1857 | __GLXcontext *glxc = NULL((void*)0); | |||
1858 | __GLXdrawable *pGlxDraw; | |||
1859 | ClientPtr client = cl->client; | |||
1860 | GLXDrawable drawId; | |||
1861 | int error; | |||
1862 | int x, y, width, height; | |||
1863 | ||||
1864 | (void) client; | |||
1865 | (void) req; | |||
1866 | ||||
1867 | 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); | |||
1868 | ||||
1869 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||
1870 | ||||
1871 | drawId = *((CARD32 *) (pc)); | |||
1872 | x = *((INT32 *) (pc + 4)); | |||
1873 | y = *((INT32 *) (pc + 8)); | |||
1874 | width = *((INT32 *) (pc + 12)); | |||
1875 | height = *((INT32 *) (pc + 16)); | |||
1876 | ||||
1877 | if (tag) { | |||
1878 | glxc = __glXLookupContextByTag(cl, tag); | |||
1879 | if (!glxc) { | |||
1880 | return __glXError(GLXBadContextTag4); | |||
1881 | } | |||
1882 | /* | |||
1883 | ** The calling thread is swapping its current drawable. In this case, | |||
1884 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||
1885 | ** sequentiality. | |||
1886 | */ | |||
1887 | if (__glXForceCurrent(cl, tag, &error)) { | |||
1888 | /* | |||
1889 | ** Do whatever is needed to make sure that all preceding requests | |||
1890 | ** in both streams are completed before the swap is executed. | |||
1891 | */ | |||
1892 | glFinish(); | |||
1893 | } | |||
1894 | else { | |||
1895 | return error; | |||
1896 | } | |||
1897 | } | |||
1898 | ||||
1899 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||
1900 | if (!pGlxDraw) | |||
1901 | return error; | |||
1902 | ||||
1903 | if (pGlxDraw == NULL((void*)0) || | |||
1904 | pGlxDraw->type != GLX_DRAWABLE_WINDOW || | |||
1905 | pGlxDraw->copySubBuffer == NULL((void*)0)) | |||
1906 | return __glXError(GLXBadDrawable2); | |||
1907 | ||||
1908 | (*pGlxDraw->copySubBuffer) (pGlxDraw, x, y, width, height); | |||
1909 | ||||
1910 | return Success0; | |||
1911 | } | |||
1912 | ||||
1913 | /* hack for old glxext.h */ | |||
1914 | #ifndef GLX_STEREO_TREE_EXT0x20F5 | |||
1915 | #define GLX_STEREO_TREE_EXT0x20F5 0x20F5 | |||
1916 | #endif | |||
1917 | ||||
1918 | /* | |||
1919 | ** Get drawable attributes | |||
1920 | */ | |||
1921 | static int | |||
1922 | DoGetDrawableAttributes(__GLXclientState * cl, XID drawId) | |||
1923 | { | |||
1924 | ClientPtr client = cl->client; | |||
1925 | xGLXGetDrawableAttributesReply reply; | |||
1926 | __GLXdrawable *pGlxDraw = NULL((void*)0); | |||
1927 | DrawablePtr pDraw; | |||
1928 | CARD32 attributes[18]; | |||
1929 | int num = 0, error; | |||
1930 | ||||
1931 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||
1932 | DixGetAttrAccess(1<<4), &pGlxDraw, &error)) { | |||
1933 | /* hack for GLX 1.2 naked windows */ | |||
1934 | int err = dixLookupWindow((WindowPtr *)&pDraw, drawId, client, | |||
1935 | DixGetAttrAccess(1<<4)); | |||
1936 | if (err != Success0) | |||
1937 | return error; | |||
1938 | } | |||
1939 | if (pGlxDraw) | |||
1940 | pDraw = pGlxDraw->pDraw; | |||
1941 | ||||
1942 | #define ATTRIB(a, v) do { \ | |||
1943 | attributes[2*num] = (a); \ | |||
1944 | attributes[2*num+1] = (v); \ | |||
1945 | num++; \ | |||
1946 | } while (0) | |||
1947 | ||||
1948 | ATTRIB(GLX_Y_INVERTED_EXT0x20D4, GL_FALSE0x0); | |||
1949 | ATTRIB(GLX_WIDTH0x801D, pDraw->width); | |||
1950 | ATTRIB(GLX_HEIGHT0x801E, pDraw->height); | |||
1951 | ATTRIB(GLX_SCREEN0x800C, pDraw->pScreen->myNum); | |||
1952 | if (pGlxDraw) { | |||
1953 | ATTRIB(GLX_TEXTURE_TARGET_EXT0x20D6, | |||
1954 | pGlxDraw->target == GL_TEXTURE_2D0x0DE1 ? | |||
1955 | GLX_TEXTURE_2D_EXT0x20DC : GLX_TEXTURE_RECTANGLE_EXT0x20DD); | |||
1956 | ATTRIB(GLX_EVENT_MASK0x801F, pGlxDraw->eventMask); | |||
1957 | ATTRIB(GLX_FBCONFIG_ID0x8013, pGlxDraw->config->fbconfigID); | |||
1958 | if (pGlxDraw->type == GLX_DRAWABLE_PBUFFER) { | |||
1959 | ATTRIB(GLX_PRESERVED_CONTENTS0x801B, GL_TRUE0x1); | |||
1960 | } | |||
1961 | if (pGlxDraw->type == GLX_DRAWABLE_WINDOW) { | |||
1962 | ATTRIB(GLX_STEREO_TREE_EXT0x20F5, 0); | |||
1963 | } | |||
1964 | } | |||
1965 | #undef ATTRIB | |||
1966 | ||||
1967 | reply = (xGLXGetDrawableAttributesReply) { | |||
1968 | .type = X_Reply1, | |||
1969 | .sequenceNumber = client->sequence, | |||
1970 | .length = num << 1, | |||
1971 | .numAttribs = num | |||
1972 | }; | |||
1973 | ||||
1974 | if (client->swapped) { | |||
1975 | __glXSwapGetDrawableAttributesReply(client, &reply, attributes); | |||
1976 | } | |||
1977 | else { | |||
1978 | WriteToClient(client, sz_xGLXGetDrawableAttributesReply32, &reply); | |||
1979 | WriteToClient(client, reply.length * sizeof(CARD32), attributes); | |||
1980 | } | |||
1981 | ||||
1982 | return Success0; | |||
1983 | } | |||
1984 | ||||
1985 | int | |||
1986 | __glXDisp_GetDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||
1987 | { | |||
1988 | ClientPtr client = cl->client; | |||
1989 | xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *) pc; | |||
1990 | ||||
1991 | /* this should be REQUEST_SIZE_MATCH, but mesa sends an additional 4 bytes */ | |||
1992 | REQUEST_AT_LEAST_SIZE(xGLXGetDrawableAttributesReq)if ((sizeof(xGLXGetDrawableAttributesReq) >> 2) > client ->req_len ) return(16); | |||
1993 | ||||
1994 | return DoGetDrawableAttributes(cl, req->drawable); | |||
1995 | } | |||
1996 | ||||
1997 | int | |||
1998 | __glXDisp_GetDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||
1999 | { | |||
2000 | ClientPtr client = cl->client; | |||
2001 | xGLXGetDrawableAttributesSGIXReq *req = | |||
2002 | (xGLXGetDrawableAttributesSGIXReq *) pc; | |||
2003 | ||||
2004 | REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq)if ((sizeof(xGLXGetDrawableAttributesSGIXReq) >> 2) != client ->req_len) return(16); | |||
2005 | ||||
2006 | return DoGetDrawableAttributes(cl, req->drawable); | |||
2007 | } | |||
2008 | ||||
2009 | /************************************************************************/ | |||
2010 | ||||
2011 | /* | |||
2012 | ** Render and Renderlarge are not in the GLX API. They are used by the GLX | |||
2013 | ** client library to send batches of GL rendering commands. | |||
2014 | */ | |||
2015 | ||||
2016 | /* | |||
2017 | ** Execute all the drawing commands in a request. | |||
2018 | */ | |||
2019 | int | |||
2020 | __glXDisp_Render(__GLXclientState * cl, GLbyte * pc) | |||
2021 | { | |||
2022 | xGLXRenderReq *req; | |||
2023 | ClientPtr client = cl->client; | |||
2024 | int left, cmdlen, error; | |||
2025 | int commandsDone; | |||
2026 | CARD16 opcode; | |||
2027 | __GLXrenderHeader *hdr; | |||
2028 | __GLXcontext *glxc; | |||
2029 | ||||
2030 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
2031 | ||||
2032 | REQUEST_AT_LEAST_SIZE(xGLXRenderReq)if ((sizeof(xGLXRenderReq) >> 2) > client->req_len ) return(16); | |||
2033 | ||||
2034 | req = (xGLXRenderReq *) pc; | |||
2035 | if (client->swapped) { | |||
2036 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||
2037 | __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;; | |||
2038 | } | |||
2039 | ||||
2040 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||
2041 | if (!glxc) { | |||
2042 | return error; | |||
2043 | } | |||
2044 | ||||
2045 | commandsDone = 0; | |||
2046 | pc += sz_xGLXRenderReq8; | |||
2047 | left = (req->length << 2) - sz_xGLXRenderReq8; | |||
2048 | while (left > 0) { | |||
2049 | __GLXrenderSizeData entry; | |||
2050 | int extra = 0; | |||
2051 | __GLXdispatchRenderProcPtr proc; | |||
2052 | int err; | |||
2053 | ||||
2054 | if (left < sizeof(__GLXrenderHeader)) | |||
2055 | return BadLength16; | |||
2056 | ||||
2057 | /* | |||
2058 | ** Verify that the header length and the overall length agree. | |||
2059 | ** Also, each command must be word aligned. | |||
2060 | */ | |||
2061 | hdr = (__GLXrenderHeader *) pc; | |||
2062 | if (client->swapped) { | |||
2063 | __GLX_SWAP_SHORT(&hdr->length)sw = ((GLbyte *)(&hdr->length))[0]; ((GLbyte *)(&hdr ->length))[0] = ((GLbyte *)(&hdr->length))[1]; ((GLbyte *)(&hdr->length))[1] = sw;; | |||
2064 | __GLX_SWAP_SHORT(&hdr->opcode)sw = ((GLbyte *)(&hdr->opcode))[0]; ((GLbyte *)(&hdr ->opcode))[0] = ((GLbyte *)(&hdr->opcode))[1]; ((GLbyte *)(&hdr->opcode))[1] = sw;; | |||
2065 | } | |||
2066 | cmdlen = hdr->length; | |||
2067 | opcode = hdr->opcode; | |||
2068 | ||||
2069 | if (left < cmdlen) | |||
2070 | return BadLength16; | |||
2071 | ||||
2072 | /* | |||
2073 | ** Check for core opcodes and grab entry data. | |||
2074 | */ | |||
2075 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||
2076 | proc = (__GLXdispatchRenderProcPtr) | |||
2077 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, | |||
2078 | opcode, client->swapped); | |||
2079 | ||||
2080 | if ((err < 0) || (proc == NULL((void*)0))) { | |||
2081 | client->errorValue = commandsDone; | |||
2082 | return __glXError(GLXBadRenderRequest6); | |||
2083 | } | |||
2084 | ||||
2085 | if (cmdlen < entry.bytes) { | |||
2086 | return BadLength16; | |||
2087 | } | |||
2088 | ||||
2089 | if (entry.varsize) { | |||
2090 | /* variable size command */ | |||
2091 | extra = (*entry.varsize) (pc + __GLX_RENDER_HDR_SIZE4, | |||
2092 | client->swapped, | |||
2093 | left - __GLX_RENDER_HDR_SIZE4); | |||
2094 | if (extra < 0) { | |||
2095 | return BadLength16; | |||
2096 | } | |||
2097 | } | |||
2098 | ||||
2099 | if (cmdlen != safe_pad(safe_add(entry.bytes, extra))) { | |||
2100 | return BadLength16; | |||
2101 | } | |||
2102 | ||||
2103 | /* | |||
2104 | ** Skip over the header and execute the command. We allow the | |||
2105 | ** caller to trash the command memory. This is useful especially | |||
2106 | ** for things that require double alignment - they can just shift | |||
2107 | ** the data towards lower memory (trashing the header) by 4 bytes | |||
2108 | ** and achieve the required alignment. | |||
2109 | */ | |||
2110 | (*proc) (pc + __GLX_RENDER_HDR_SIZE4); | |||
2111 | pc += cmdlen; | |||
2112 | left -= cmdlen; | |||
2113 | commandsDone++; | |||
2114 | } | |||
2115 | return Success0; | |||
2116 | } | |||
2117 | ||||
2118 | /* | |||
2119 | ** Execute a large rendering request (one that spans multiple X requests). | |||
2120 | */ | |||
2121 | int | |||
2122 | __glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc) | |||
2123 | { | |||
2124 | xGLXRenderLargeReq *req; | |||
2125 | ClientPtr client = cl->client; | |||
2126 | size_t dataBytes; | |||
2127 | __GLXrenderLargeHeader *hdr; | |||
2128 | __GLXcontext *glxc; | |||
2129 | int error; | |||
2130 | CARD16 opcode; | |||
2131 | ||||
2132 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||
2133 | ||||
2134 | REQUEST_AT_LEAST_SIZE(xGLXRenderLargeReq)if ((sizeof(xGLXRenderLargeReq) >> 2) > client->req_len ) return(16); | |||
2135 | ||||
2136 | req = (xGLXRenderLargeReq *) pc; | |||
2137 | if (client->swapped) { | |||
2138 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||
2139 | __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;; | |||
2140 | __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;; | |||
2141 | __GLX_SWAP_SHORT(&req->requestNumber)sw = ((GLbyte *)(&req->requestNumber))[0]; ((GLbyte *) (&req->requestNumber))[0] = ((GLbyte *)(&req->requestNumber ))[1]; ((GLbyte *)(&req->requestNumber))[1] = sw;; | |||
2142 | __GLX_SWAP_SHORT(&req->requestTotal)sw = ((GLbyte *)(&req->requestTotal))[0]; ((GLbyte *)( &req->requestTotal))[0] = ((GLbyte *)(&req->requestTotal ))[1]; ((GLbyte *)(&req->requestTotal))[1] = sw;; | |||
2143 | } | |||
2144 | ||||
2145 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||
2146 | if (!glxc) { | |||
2147 | /* Reset in case this isn't 1st request. */ | |||
2148 | __glXResetLargeCommandStatus(cl); | |||
2149 | return error; | |||
2150 | } | |||
2151 | if (safe_pad(req->dataBytes) < 0) | |||
2152 | return BadLength16; | |||
2153 | dataBytes = req->dataBytes; | |||
2154 | ||||
2155 | /* | |||
2156 | ** Check the request length. | |||
2157 | */ | |||
2158 | if ((req->length << 2) != safe_pad(dataBytes) + sz_xGLXRenderLargeReq16) { | |||
2159 | client->errorValue = req->length; | |||
2160 | /* Reset in case this isn't 1st request. */ | |||
2161 | __glXResetLargeCommandStatus(cl); | |||
2162 | return BadLength16; | |||
2163 | } | |||
2164 | pc += sz_xGLXRenderLargeReq16; | |||
2165 | ||||
2166 | if (cl->largeCmdRequestsSoFar == 0) { | |||
2167 | __GLXrenderSizeData entry; | |||
2168 | int extra = 0; | |||
2169 | int left = (req->length << 2) - sz_xGLXRenderLargeReq16; | |||
2170 | int cmdlen; | |||
2171 | int err; | |||
2172 | ||||
2173 | /* | |||
2174 | ** This is the first request of a multi request command. | |||
2175 | ** Make enough space in the buffer, then copy the entire request. | |||
2176 | */ | |||
2177 | if (req->requestNumber != 1) { | |||
2178 | client->errorValue = req->requestNumber; | |||
2179 | return __glXError(GLXBadLargeRequest7); | |||
2180 | } | |||
2181 | ||||
2182 | if (dataBytes < __GLX_RENDER_LARGE_HDR_SIZE8) | |||
2183 | return BadLength16; | |||
2184 | ||||
2185 | hdr = (__GLXrenderLargeHeader *) pc; | |||
2186 | if (client->swapped) { | |||
2187 | __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;; | |||
2188 | __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;; | |||
2189 | } | |||
2190 | opcode = hdr->opcode; | |||
2191 | if ((cmdlen = safe_pad(hdr->length)) < 0) | |||
2192 | return BadLength16; | |||
2193 | ||||
2194 | /* | |||
2195 | ** Check for core opcodes and grab entry data. | |||
2196 | */ | |||
2197 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||
2198 | if (err < 0) { | |||
2199 | client->errorValue = opcode; | |||
2200 | return __glXError(GLXBadLargeRequest7); | |||
2201 | } | |||
2202 | ||||
2203 | if (entry.varsize) { | |||
2204 | /* | |||
2205 | ** If it's a variable-size command (a command whose length must | |||
2206 | ** be computed from its parameters), all the parameters needed | |||
2207 | ** will be in the 1st request, so it's okay to do this. | |||
2208 | */ | |||
2209 | extra = (*entry.varsize) (pc + __GLX_RENDER_LARGE_HDR_SIZE8, | |||
2210 | client->swapped, | |||
2211 | left - __GLX_RENDER_LARGE_HDR_SIZE8); | |||
2212 | if (extra < 0) { | |||
2213 | return BadLength16; | |||
2214 | } | |||
2215 | } | |||
2216 | ||||
2217 | /* the +4 is safe because we know entry.bytes is small */ | |||
2218 | if (cmdlen != safe_pad(safe_add(entry.bytes + 4, extra))) { | |||
2219 | return BadLength16; | |||
2220 | } | |||
2221 | ||||
2222 | /* | |||
2223 | ** Make enough space in the buffer, then copy the entire request. | |||
2224 | */ | |||
2225 | if (cl->largeCmdBufSize < cmdlen) { | |||
2226 | GLbyte *newbuf = cl->largeCmdBuf; | |||
2227 | ||||
2228 | if (!(newbuf = realloc(newbuf, cmdlen))) | |||
2229 | return BadAlloc11; | |||
2230 | ||||
2231 | cl->largeCmdBuf = newbuf; | |||
2232 | cl->largeCmdBufSize = cmdlen; | |||
2233 | } | |||
2234 | memcpy(cl->largeCmdBuf, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf, pc, dataBytes, __builtin_object_size (cl->largeCmdBuf, 0)); | |||
2235 | ||||
2236 | cl->largeCmdBytesSoFar = dataBytes; | |||
2237 | cl->largeCmdBytesTotal = cmdlen; | |||
2238 | cl->largeCmdRequestsSoFar = 1; | |||
2239 | cl->largeCmdRequestsTotal = req->requestTotal; | |||
2240 | return Success0; | |||
2241 | ||||
2242 | } | |||
2243 | else { | |||
2244 | /* | |||
2245 | ** We are receiving subsequent (i.e. not the first) requests of a | |||
2246 | ** multi request command. | |||
2247 | */ | |||
2248 | int bytesSoFar; /* including this packet */ | |||
2249 | ||||
2250 | /* | |||
2251 | ** Check the request number and the total request count. | |||
2252 | */ | |||
2253 | if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { | |||
2254 | client->errorValue = req->requestNumber; | |||
2255 | __glXResetLargeCommandStatus(cl); | |||
2256 | return __glXError(GLXBadLargeRequest7); | |||
2257 | } | |||
2258 | if (req->requestTotal != cl->largeCmdRequestsTotal) { | |||
2259 | client->errorValue = req->requestTotal; | |||
2260 | __glXResetLargeCommandStatus(cl); | |||
2261 | return __glXError(GLXBadLargeRequest7); | |||
2262 | } | |||
2263 | ||||
2264 | /* | |||
2265 | ** Check that we didn't get too much data. | |||
2266 | */ | |||
2267 | if ((bytesSoFar = safe_add(cl->largeCmdBytesSoFar, dataBytes)) < 0) { | |||
2268 | client->errorValue = dataBytes; | |||
2269 | __glXResetLargeCommandStatus(cl); | |||
2270 | return __glXError(GLXBadLargeRequest7); | |||
2271 | } | |||
2272 | ||||
2273 | if (bytesSoFar > cl->largeCmdBytesTotal) { | |||
2274 | client->errorValue = dataBytes; | |||
2275 | __glXResetLargeCommandStatus(cl); | |||
2276 | return __glXError(GLXBadLargeRequest7); | |||
2277 | } | |||
2278 | ||||
2279 | memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf + cl->largeCmdBytesSoFar , pc, dataBytes, __builtin_object_size (cl->largeCmdBuf + cl ->largeCmdBytesSoFar, 0)); | |||
2280 | cl->largeCmdBytesSoFar += dataBytes; | |||
2281 | cl->largeCmdRequestsSoFar++; | |||
2282 | ||||
2283 | if (req->requestNumber == cl->largeCmdRequestsTotal) { | |||
2284 | __GLXdispatchRenderProcPtr proc; | |||
2285 | ||||
2286 | /* | |||
2287 | ** This is the last request; it must have enough bytes to complete | |||
2288 | ** the command. | |||
2289 | */ | |||
2290 | /* NOTE: the pad macro below is needed because the client library | |||
2291 | ** pads the total byte count, but not the per-request byte counts. | |||
2292 | ** The Protocol Encoding says the total byte count should not be | |||
2293 | ** padded, so a proposal will be made to the ARB to relax the | |||
2294 | ** padding constraint on the total byte count, thus preserving | |||
2295 | ** backward compatibility. Meanwhile, the padding done below | |||
2296 | ** fixes a bug that did not allow large commands of odd sizes to | |||
2297 | ** be accepted by the server. | |||
2298 | */ | |||
2299 | if (safe_pad(cl->largeCmdBytesSoFar) != cl->largeCmdBytesTotal) { | |||
2300 | client->errorValue = dataBytes; | |||
2301 | __glXResetLargeCommandStatus(cl); | |||
2302 | return __glXError(GLXBadLargeRequest7); | |||
2303 | } | |||
2304 | hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; | |||
2305 | /* | |||
2306 | ** The opcode and length field in the header had already been | |||
2307 | ** swapped when the first request was received. | |||
2308 | ** | |||
2309 | ** Use the opcode to index into the procedure table. | |||
2310 | */ | |||
2311 | opcode = hdr->opcode; | |||
2312 | ||||
2313 | proc = (__GLXdispatchRenderProcPtr) | |||
2314 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, opcode, | |||
2315 | client->swapped); | |||
2316 | if (proc == NULL((void*)0)) { | |||
2317 | client->errorValue = opcode; | |||
2318 | return __glXError(GLXBadLargeRequest7); | |||
2319 | } | |||
2320 | ||||
2321 | /* | |||
2322 | ** Skip over the header and execute the command. | |||
2323 | */ | |||
2324 | (*proc) (cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE8); | |||
2325 | ||||
2326 | /* | |||
2327 | ** Reset for the next RenderLarge series. | |||
2328 | */ | |||
2329 | __glXResetLargeCommandStatus(cl); | |||
2330 | } | |||
2331 | else { | |||
2332 | /* | |||
2333 | ** This is neither the first nor the last request. | |||
2334 | */ | |||
2335 | } | |||
2336 | return Success0; | |||
2337 | } | |||
2338 | } | |||
2339 | ||||
2340 | /************************************************************************/ | |||
2341 | ||||
2342 | /* | |||
2343 | ** No support is provided for the vendor-private requests other than | |||
2344 | ** allocating the entry points in the dispatch table. | |||
2345 | */ | |||
2346 | ||||
2347 | int | |||
2348 | __glXDisp_VendorPrivate(__GLXclientState * cl, GLbyte * pc) | |||
2349 | { | |||
2350 | ClientPtr client = cl->client; | |||
2351 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
2352 | GLint vendorcode = req->vendorCode; | |||
2353 | __GLXdispatchVendorPrivProcPtr proc; | |||
2354 | ||||
2355 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||
2356 | ||||
2357 | proc = (__GLXdispatchVendorPrivProcPtr) | |||
2358 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||
2359 | vendorcode, 0); | |||
2360 | if (proc != NULL((void*)0)) { | |||
2361 | (*proc) (cl, (GLbyte *) req); | |||
2362 | return Success0; | |||
2363 | } | |||
2364 | ||||
2365 | cl->client->errorValue = req->vendorCode; | |||
2366 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
2367 | } | |||
2368 | ||||
2369 | int | |||
2370 | __glXDisp_VendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc) | |||
2371 | { | |||
2372 | ClientPtr client = cl->client; | |||
2373 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||
2374 | GLint vendorcode = req->vendorCode; | |||
2375 | __GLXdispatchVendorPrivProcPtr proc; | |||
2376 | ||||
2377 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||
2378 | ||||
2379 | proc = (__GLXdispatchVendorPrivProcPtr) | |||
2380 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||
2381 | vendorcode, 0); | |||
2382 | if (proc != NULL((void*)0)) { | |||
2383 | return (*proc) (cl, (GLbyte *) req); | |||
2384 | } | |||
2385 | ||||
2386 | cl->client->errorValue = vendorcode; | |||
2387 | return __glXError(GLXUnsupportedPrivateRequest8); | |||
2388 | } | |||
2389 | ||||
2390 | int | |||
2391 | __glXDisp_QueryExtensionsString(__GLXclientState * cl, GLbyte * pc) | |||
2392 | { | |||
2393 | ClientPtr client = cl->client; | |||
2394 | xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; | |||
2395 | xGLXQueryExtensionsStringReply reply; | |||
2396 | __GLXscreen *pGlxScreen; | |||
2397 | size_t n, length; | |||
2398 | char *buf; | |||
2399 | int err; | |||
2400 | ||||
2401 | REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq)if ((sizeof(xGLXQueryExtensionsStringReq) >> 2) != client ->req_len) return(16); | |||
2402 | ||||
2403 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
2404 | return err; | |||
2405 | ||||
2406 | n = strlen(pGlxScreen->GLXextensions) + 1; | |||
2407 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||
2408 | reply = (xGLXQueryExtensionsStringReply) { | |||
2409 | .type = X_Reply1, | |||
2410 | .sequenceNumber = client->sequence, | |||
2411 | .length = length, | |||
2412 | .n = n | |||
2413 | }; | |||
2414 | ||||
2415 | /* Allocate buffer to make sure it's a multiple of 4 bytes big. */ | |||
2416 | buf = calloc(length, 4); | |||
2417 | if (buf == NULL((void*)0)) | |||
2418 | return BadAlloc11; | |||
2419 | memcpy(buf, pGlxScreen->GLXextensions, n)__builtin___memcpy_chk (buf, pGlxScreen->GLXextensions, n, __builtin_object_size (buf, 0)); | |||
2420 | ||||
2421 | if (client->swapped) { | |||
2422 | glxSwapQueryExtensionsStringReply(client, &reply, buf); | |||
2423 | } | |||
2424 | else { | |||
2425 | WriteToClient(client, sz_xGLXQueryExtensionsStringReply32, &reply); | |||
2426 | WriteToClient(client, (int) (length << 2), buf); | |||
2427 | } | |||
2428 | ||||
2429 | free(buf); | |||
2430 | return Success0; | |||
2431 | } | |||
2432 | ||||
2433 | #ifndef GLX_VENDOR_NAMES_EXT0x20F6 | |||
2434 | #define GLX_VENDOR_NAMES_EXT0x20F6 0x20F6 | |||
2435 | #endif | |||
2436 | ||||
2437 | int | |||
2438 | __glXDisp_QueryServerString(__GLXclientState * cl, GLbyte * pc) | |||
2439 | { | |||
2440 | ClientPtr client = cl->client; | |||
2441 | xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; | |||
2442 | xGLXQueryServerStringReply reply; | |||
2443 | size_t n, length; | |||
2444 | const char *ptr; | |||
2445 | char *buf; | |||
2446 | __GLXscreen *pGlxScreen; | |||
2447 | int err; | |||
2448 | ||||
2449 | REQUEST_SIZE_MATCH(xGLXQueryServerStringReq)if ((sizeof(xGLXQueryServerStringReq) >> 2) != client-> req_len) return(16); | |||
2450 | ||||
2451 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||
2452 | return err; | |||
2453 | ||||
2454 | switch (req->name) { | |||
2455 | case GLX_VENDOR0x1: | |||
2456 | ptr = GLXServerVendorName; | |||
2457 | break; | |||
2458 | case GLX_VERSION0x2: | |||
2459 | ptr = "1.4"; | |||
2460 | break; | |||
2461 | case GLX_EXTENSIONS0x3: | |||
2462 | ptr = pGlxScreen->GLXextensions; | |||
2463 | break; | |||
2464 | case GLX_VENDOR_NAMES_EXT0x20F6: | |||
2465 | if (pGlxScreen->glvnd) { | |||
2466 | ptr = pGlxScreen->glvnd; | |||
2467 | break; | |||
2468 | } | |||
2469 | /* else fall through */ | |||
2470 | default: | |||
2471 | return BadValue2; | |||
2472 | } | |||
2473 | ||||
2474 | n = strlen(ptr) + 1; | |||
2475 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||
2476 | reply = (xGLXQueryServerStringReply) { | |||
2477 | .type = X_Reply1, | |||
2478 | .sequenceNumber = client->sequence, | |||
2479 | .length = length, | |||
2480 | .n = n | |||
2481 | }; | |||
2482 | ||||
2483 | buf = calloc(length, 4); | |||
2484 | if (buf == NULL((void*)0)) { | |||
2485 | return BadAlloc11; | |||
2486 | } | |||
2487 | memcpy(buf, ptr, n)__builtin___memcpy_chk (buf, ptr, n, __builtin_object_size (buf , 0)); | |||
2488 | ||||
2489 | if (client->swapped) { | |||
2490 | glxSwapQueryServerStringReply(client, &reply, buf); | |||
2491 | } | |||
2492 | else { | |||
2493 | WriteToClient(client, sz_xGLXQueryServerStringReply32, &reply); | |||
2494 | WriteToClient(client, (int) (length << 2), buf); | |||
2495 | } | |||
2496 | ||||
2497 | free(buf); | |||
2498 | return Success0; | |||
2499 | } | |||
2500 | ||||
2501 | int | |||
2502 | __glXDisp_ClientInfo(__GLXclientState * cl, GLbyte * pc) | |||
2503 | { | |||
2504 | ClientPtr client = cl->client; | |||
2505 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; | |||
2506 | const char *buf; | |||
2507 | ||||
2508 | REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq)if ((sizeof(xGLXClientInfoReq) >> 2) > client->req_len ) return(16); | |||
2509 | ||||
2510 | buf = (const char *) (req + 1); | |||
2511 | if (!memchr(buf, 0, (client->req_len << 2) - sizeof(xGLXClientInfoReq))) | |||
2512 | return BadLength16; | |||
2513 | ||||
2514 | free(cl->GLClientextensions); | |||
2515 | cl->GLClientextensions = strdup(buf); | |||
2516 | ||||
2517 | return Success0; | |||
2518 | } | |||
2519 | ||||
2520 | #include <GL/glxtokens.h> | |||
2521 | ||||
2522 | void | |||
2523 | __glXsendSwapEvent(__GLXdrawable *drawable, int type, CARD64 ust, | |||
2524 | CARD64 msc, CARD32 sbc) | |||
2525 | { | |||
2526 | ClientPtr client = clients[CLIENT_ID(drawable->drawId)((int)(((drawable->drawId) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]; | |||
2527 | ||||
2528 | xGLXBufferSwapComplete2 wire = { | |||
2529 | .type = __glXEventBase + GLX_BufferSwapComplete1 | |||
2530 | }; | |||
2531 | ||||
2532 | if (!client) | |||
2533 | return; | |||
2534 | ||||
2535 | if (!(drawable->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK0x04000000)) | |||
2536 | return; | |||
2537 | ||||
2538 | wire.event_type = type; | |||
2539 | wire.drawable = drawable->drawId; | |||
2540 | wire.ust_hi = ust >> 32; | |||
2541 | wire.ust_lo = ust & 0xffffffff; | |||
2542 | wire.msc_hi = msc >> 32; | |||
2543 | wire.msc_lo = msc & 0xffffffff; | |||
2544 | wire.sbc = sbc; | |||
2545 | ||||
2546 | WriteEventsToClient(client, 1, (xEvent *) &wire); | |||
2547 | } | |||
2548 | ||||
2549 | #if PRESENT1 | |||
2550 | static void | |||
2551 | __glXpresentCompleteNotify(WindowPtr window, CARD8 present_kind, CARD8 present_mode, | |||
2552 | CARD32 serial, uint64_t ust, uint64_t msc) | |||
2553 | { | |||
2554 | __GLXdrawable *drawable; | |||
2555 | int glx_type; | |||
2556 | int rc; | |||
2557 | ||||
2558 | if (present_kind != PresentCompleteKindPixmap0) | |||
2559 | return; | |||
2560 | ||||
2561 | rc = dixLookupResourceByType((void **) &drawable, window->drawable.id, | |||
2562 | __glXDrawableRes, serverClient, DixGetAttrAccess(1<<4)); | |||
2563 | ||||
2564 | if (rc != Success0) | |||
2565 | return; | |||
2566 | ||||
2567 | if (present_mode == PresentCompleteModeFlip1) | |||
2568 | glx_type = GLX_FLIP_COMPLETE_INTEL0x8182; | |||
2569 | else | |||
2570 | glx_type = GLX_BLIT_COMPLETE_INTEL0x8181; | |||
2571 | ||||
2572 | __glXsendSwapEvent(drawable, glx_type, ust, msc, serial); | |||
2573 | } | |||
2574 | ||||
2575 | #include <present.h> | |||
2576 | ||||
2577 | void | |||
2578 | __glXregisterPresentCompleteNotify(void) | |||
2579 | { | |||
2580 | present_register_complete_notify(__glXpresentCompleteNotify); | |||
2581 | } | |||
2582 | #endif |