File: | glx/glxcmds.c |
Location: | line 1178, column 13 |
Description: | Assigned value is garbage or undefined |
1 | /* | |||||
2 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) | |||||
3 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. | |||||
4 | * | |||||
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |||||
6 | * copy of this software and associated documentation files (the "Software"), | |||||
7 | * to deal in the Software without restriction, including without limitation | |||||
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |||||
9 | * and/or sell copies of the Software, and to permit persons to whom the | |||||
10 | * Software is furnished to do so, subject to the following conditions: | |||||
11 | * | |||||
12 | * The above copyright notice including the dates of first publication and | |||||
13 | * either this permission notice or a reference to | |||||
14 | * http://oss.sgi.com/projects/FreeB/ | |||||
15 | * shall be included in all copies or substantial portions of the Software. | |||||
16 | * | |||||
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |||||
18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||||
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||||
20 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |||||
21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF | |||||
22 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |||||
23 | * SOFTWARE. | |||||
24 | * | |||||
25 | * Except as contained in this notice, the name of Silicon Graphics, Inc. | |||||
26 | * shall not be used in advertising or otherwise to promote the sale, use or | |||||
27 | * other dealings in this Software without prior written authorization from | |||||
28 | * Silicon Graphics, Inc. | |||||
29 | */ | |||||
30 | ||||||
31 | #ifdef HAVE_DIX_CONFIG_H1 | |||||
32 | #include <dix-config.h> | |||||
33 | #endif | |||||
34 | ||||||
35 | #include <string.h> | |||||
36 | #include <assert.h> | |||||
37 | ||||||
38 | #include "glxserver.h" | |||||
39 | #include <GL/glxtokens.h> | |||||
40 | #include <unpack.h> | |||||
41 | #include <pixmapstr.h> | |||||
42 | #include <windowstr.h> | |||||
43 | #include "glxutil.h" | |||||
44 | #include "glxext.h" | |||||
45 | #include "indirect_dispatch.h" | |||||
46 | #include "indirect_table.h" | |||||
47 | #include "indirect_util.h" | |||||
48 | ||||||
49 | static char GLXServerVendorName[] = "SGI"; | |||||
50 | ||||||
51 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||||
52 | validGlxScreen(ClientPtr client, int screen, __GLXscreen ** pGlxScreen, | |||||
53 | int *err) | |||||
54 | { | |||||
55 | /* | |||||
56 | ** Check if screen exists. | |||||
57 | */ | |||||
58 | if (screen < 0 || screen >= screenInfo.numScreens) { | |||||
59 | client->errorValue = screen; | |||||
60 | *err = BadValue2; | |||||
61 | return FALSE0; | |||||
62 | } | |||||
63 | *pGlxScreen = glxGetScreen(screenInfo.screens[screen]); | |||||
64 | ||||||
65 | return TRUE1; | |||||
66 | } | |||||
67 | ||||||
68 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||||
69 | validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||||
70 | __GLXconfig ** config, int *err) | |||||
71 | { | |||||
72 | __GLXconfig *m; | |||||
73 | ||||||
74 | for (m = pGlxScreen->fbconfigs; m != NULL((void*)0); m = m->next) | |||||
75 | if (m->fbconfigID == id) { | |||||
76 | *config = m; | |||||
77 | return TRUE1; | |||||
78 | } | |||||
79 | ||||||
80 | client->errorValue = id; | |||||
81 | *err = __glXError(GLXBadFBConfig9); | |||||
82 | ||||||
83 | return FALSE0; | |||||
84 | } | |||||
85 | ||||||
86 | static int | |||||
87 | validGlxVisual(ClientPtr client, __GLXscreen * pGlxScreen, XID id, | |||||
88 | __GLXconfig ** config, int *err) | |||||
89 | { | |||||
90 | int i; | |||||
91 | ||||||
92 | for (i = 0; i < pGlxScreen->numVisuals; i++) | |||||
93 | if (pGlxScreen->visuals[i]->visualID == id) { | |||||
94 | *config = pGlxScreen->visuals[i]; | |||||
95 | return TRUE1; | |||||
96 | } | |||||
97 | ||||||
98 | client->errorValue = id; | |||||
99 | *err = BadValue2; | |||||
100 | ||||||
101 | return FALSE0; | |||||
102 | } | |||||
103 | ||||||
104 | static int | |||||
105 | validGlxFBConfigForWindow(ClientPtr client, __GLXconfig * config, | |||||
106 | DrawablePtr pDraw, int *err) | |||||
107 | { | |||||
108 | ScreenPtr pScreen = pDraw->pScreen; | |||||
109 | VisualPtr pVisual = NULL((void*)0); | |||||
110 | XID vid; | |||||
111 | int i; | |||||
112 | ||||||
113 | vid = wVisual((WindowPtr) pDraw)(((WindowPtr) pDraw)->optional ? ((WindowPtr) pDraw)->optional ->visual : FindWindowWithOptional((WindowPtr) pDraw)->optional ->visual); | |||||
114 | for (i = 0; i < pScreen->numVisuals; i++) { | |||||
115 | if (pScreen->visuals[i].vid == vid) { | |||||
116 | pVisual = &pScreen->visuals[i]; | |||||
117 | break; | |||||
118 | } | |||||
119 | } | |||||
120 | ||||||
121 | /* FIXME: What exactly should we check here... */ | |||||
122 | if (pVisual->class != glxConvertToXVisualType(config->visualType) || | |||||
123 | !(config->drawableType & GLX_WINDOW_BIT0x00000001)) { | |||||
124 | client->errorValue = pDraw->id; | |||||
125 | *err = BadMatch8; | |||||
126 | return FALSE0; | |||||
127 | } | |||||
128 | ||||||
129 | return TRUE1; | |||||
130 | } | |||||
131 | ||||||
132 | _X_HIDDEN__attribute__((visibility("hidden"))) int | |||||
133 | validGlxContext(ClientPtr client, XID id, int access_mode, | |||||
134 | __GLXcontext ** context, int *err) | |||||
135 | { | |||||
136 | *err = dixLookupResourceByType((void **) context, id, | |||||
137 | __glXContextRes, client, access_mode); | |||||
138 | if (*err != Success0 || (*context)->idExists == GL_FALSE0x0) { | |||||
139 | client->errorValue = id; | |||||
140 | if (*err == BadValue2 || *err == Success0) | |||||
141 | *err = __glXError(GLXBadContext0); | |||||
142 | return FALSE0; | |||||
143 | } | |||||
144 | ||||||
145 | return TRUE1; | |||||
146 | } | |||||
147 | ||||||
148 | static int | |||||
149 | validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, | |||||
150 | __GLXdrawable ** drawable, int *err) | |||||
151 | { | |||||
152 | int rc; | |||||
153 | ||||||
154 | rc = dixLookupResourceByType((void **) drawable, id, | |||||
155 | __glXDrawableRes, client, access_mode); | |||||
156 | if (rc != Success0 && rc != BadValue2) { | |||||
157 | *err = rc; | |||||
158 | client->errorValue = id; | |||||
159 | return FALSE0; | |||||
160 | } | |||||
161 | ||||||
162 | /* If the ID of the glx drawable we looked up doesn't match the id | |||||
163 | * we looked for, it's because we looked it up under the X | |||||
164 | * drawable ID (see DoCreateGLXDrawable). */ | |||||
165 | if (rc == BadValue2 || | |||||
166 | (*drawable)->drawId != id || | |||||
167 | (type != GLX_DRAWABLE_ANY && type != (*drawable)->type)) { | |||||
168 | client->errorValue = id; | |||||
169 | switch (type) { | |||||
170 | case GLX_DRAWABLE_WINDOW: | |||||
171 | *err = __glXError(GLXBadWindow12); | |||||
172 | return FALSE0; | |||||
173 | case GLX_DRAWABLE_PIXMAP: | |||||
174 | *err = __glXError(GLXBadPixmap3); | |||||
175 | return FALSE0; | |||||
176 | case GLX_DRAWABLE_PBUFFER: | |||||
177 | *err = __glXError(GLXBadPbuffer10); | |||||
178 | return FALSE0; | |||||
179 | case GLX_DRAWABLE_ANY: | |||||
180 | *err = __glXError(GLXBadDrawable2); | |||||
181 | return FALSE0; | |||||
182 | } | |||||
183 | } | |||||
184 | ||||||
185 | return TRUE1; | |||||
186 | } | |||||
187 | ||||||
188 | void | |||||
189 | __glXContextDestroy(__GLXcontext * context) | |||||
190 | { | |||||
191 | lastGLContext = NULL((void*)0); | |||||
192 | } | |||||
193 | ||||||
194 | static void | |||||
195 | __glXdirectContextDestroy(__GLXcontext * context) | |||||
196 | { | |||||
197 | __glXContextDestroy(context); | |||||
198 | free(context); | |||||
199 | } | |||||
200 | ||||||
201 | static int | |||||
202 | __glXdirectContextLoseCurrent(__GLXcontext * context) | |||||
203 | { | |||||
204 | return GL_TRUE0x1; | |||||
205 | } | |||||
206 | ||||||
207 | _X_HIDDEN__attribute__((visibility("hidden"))) __GLXcontext * | |||||
208 | __glXdirectContextCreate(__GLXscreen * screen, | |||||
209 | __GLXconfig * modes, __GLXcontext * shareContext) | |||||
210 | { | |||||
211 | __GLXcontext *context; | |||||
212 | ||||||
213 | context = calloc(1, sizeof(__GLXcontext)); | |||||
214 | if (context == NULL((void*)0)) | |||||
215 | return NULL((void*)0); | |||||
216 | ||||||
217 | context->destroy = __glXdirectContextDestroy; | |||||
218 | context->loseCurrent = __glXdirectContextLoseCurrent; | |||||
219 | ||||||
220 | return context; | |||||
221 | } | |||||
222 | ||||||
223 | /** | |||||
224 | * Create a GL context with the given properties. This routine is used | |||||
225 | * to implement \c glXCreateContext, \c glXCreateNewContext, and | |||||
226 | * \c glXCreateContextWithConfigSGIX. This works becuase of the hack way | |||||
227 | * that GLXFBConfigs are implemented. Basically, the FBConfigID is the | |||||
228 | * same as the VisualID. | |||||
229 | */ | |||||
230 | ||||||
231 | static int | |||||
232 | DoCreateContext(__GLXclientState * cl, GLXContextID gcId, | |||||
233 | GLXContextID shareList, __GLXconfig * config, | |||||
234 | __GLXscreen * pGlxScreen, GLboolean isDirect) | |||||
235 | { | |||||
236 | ClientPtr client = cl->client; | |||||
237 | __GLXcontext *glxc, *shareglxc; | |||||
238 | int err; | |||||
239 | ||||||
240 | LEGAL_NEW_RESOURCE(gcId, client)if (!LegalNewID(gcId,client)) { client->errorValue = gcId; return 14; }; | |||||
241 | ||||||
242 | /* | |||||
243 | ** Find the display list space that we want to share. | |||||
244 | ** | |||||
245 | ** NOTE: In a multithreaded X server, we would need to keep a reference | |||||
246 | ** count for each display list so that if one client detroyed a list that | |||||
247 | ** another client was using, the list would not really be freed until it | |||||
248 | ** was no longer in use. Since this sample implementation has no support | |||||
249 | ** for multithreaded servers, we don't do this. | |||||
250 | */ | |||||
251 | if (shareList == None0L) { | |||||
252 | shareglxc = 0; | |||||
253 | } | |||||
254 | else { | |||||
255 | if (!validGlxContext(client, shareList, DixReadAccess(1<<0), | |||||
256 | &shareglxc, &err)) | |||||
257 | return err; | |||||
258 | ||||||
259 | /* Page 26 (page 32 of the PDF) of the GLX 1.4 spec says: | |||||
260 | * | |||||
261 | * "The server context state for all sharing contexts must exist | |||||
262 | * in a single address space or a BadMatch error is generated." | |||||
263 | * | |||||
264 | * If the share context is indirect, force the new context to also be | |||||
265 | * indirect. If the shard context is direct but the new context | |||||
266 | * cannot be direct, generate BadMatch. | |||||
267 | */ | |||||
268 | if (shareglxc->isDirect && !isDirect) { | |||||
269 | client->errorValue = shareList; | |||||
270 | return BadMatch8; | |||||
271 | } | |||||
272 | else if (!shareglxc->isDirect) { | |||||
273 | /* | |||||
274 | ** Create an indirect context regardless of what the client asked | |||||
275 | ** for; this way we can share display list space with shareList. | |||||
276 | */ | |||||
277 | isDirect = GL_FALSE0x0; | |||||
278 | } | |||||
279 | } | |||||
280 | ||||||
281 | /* | |||||
282 | ** Allocate memory for the new context | |||||
283 | */ | |||||
284 | if (!isDirect) { | |||||
285 | /* Only allow creating indirect GLX contexts if allowed by | |||||
286 | * server command line. Indirect GLX is of limited use (since | |||||
287 | * it's only GL 1.4), it's slower than direct contexts, and | |||||
288 | * it's a massive attack surface for buffer overflow type | |||||
289 | * errors. | |||||
290 | */ | |||||
291 | if (!enableIndirectGLX) { | |||||
292 | client->errorValue = isDirect; | |||||
293 | return BadValue2; | |||||
294 | } | |||||
295 | ||||||
296 | /* Without any attributes, the only error that the driver should be | |||||
297 | * able to generate is BadAlloc. As result, just drop the error | |||||
298 | * returned from the driver on the floor. | |||||
299 | */ | |||||
300 | glxc = pGlxScreen->createContext(pGlxScreen, config, shareglxc, | |||||
301 | 0, NULL((void*)0), &err); | |||||
302 | } | |||||
303 | else | |||||
304 | glxc = __glXdirectContextCreate(pGlxScreen, config, shareglxc); | |||||
305 | if (!glxc) { | |||||
306 | return BadAlloc11; | |||||
307 | } | |||||
308 | ||||||
309 | /* Initialize the GLXcontext structure. | |||||
310 | */ | |||||
311 | glxc->pGlxScreen = pGlxScreen; | |||||
312 | glxc->config = config; | |||||
313 | glxc->id = gcId; | |||||
314 | glxc->share_id = shareList; | |||||
315 | glxc->idExists = GL_TRUE0x1; | |||||
316 | glxc->currentClient = NULL((void*)0); | |||||
317 | glxc->isDirect = isDirect; | |||||
318 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||||
319 | glxc->renderMode = GL_RENDER0x1C00; | |||||
320 | glxc->feedbackBuf = NULL((void*)0); | |||||
321 | glxc->feedbackBufSize = 0; | |||||
322 | glxc->selectBuf = NULL((void*)0); | |||||
323 | glxc->selectBufSize = 0; | |||||
324 | glxc->drawPriv = NULL((void*)0); | |||||
325 | glxc->readPriv = NULL((void*)0); | |||||
326 | ||||||
327 | /* The GLX_ARB_create_context_robustness spec says: | |||||
328 | * | |||||
329 | * "The default value for GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB | |||||
330 | * is GLX_NO_RESET_NOTIFICATION_ARB." | |||||
331 | * | |||||
332 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||||
333 | * non-default reset notification strategy. | |||||
334 | */ | |||||
335 | glxc->resetNotificationStrategy = GLX_NO_RESET_NOTIFICATION_ARB0x8261; | |||||
336 | ||||||
337 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||||
338 | /* The GLX_ARB_context_flush_control spec says: | |||||
339 | * | |||||
340 | * "The default value [for GLX_CONTEXT_RELEASE_BEHAVIOR] is | |||||
341 | * CONTEXT_RELEASE_BEHAVIOR_FLUSH, and may in some cases be changed | |||||
342 | * using platform-specific context creation extensions." | |||||
343 | * | |||||
344 | * Without using glXCreateContextAttribsARB, there is no way to specify a | |||||
345 | * non-default release behavior. | |||||
346 | */ | |||||
347 | glxc->releaseBehavior = GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB; | |||||
348 | #endif | |||||
349 | ||||||
350 | /* Add the new context to the various global tables of GLX contexts. | |||||
351 | */ | |||||
352 | if (!__glXAddContext(glxc)) { | |||||
353 | (*glxc->destroy) (glxc); | |||||
354 | client->errorValue = gcId; | |||||
355 | return BadAlloc11; | |||||
356 | } | |||||
357 | ||||||
358 | return Success0; | |||||
359 | } | |||||
360 | ||||||
361 | int | |||||
362 | __glXDisp_CreateContext(__GLXclientState * cl, GLbyte * pc) | |||||
363 | { | |||||
364 | ClientPtr client = cl->client; | |||||
365 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; | |||||
366 | __GLXconfig *config; | |||||
367 | __GLXscreen *pGlxScreen; | |||||
368 | int err; | |||||
369 | ||||||
370 | REQUEST_SIZE_MATCH(xGLXCreateContextReq)if ((sizeof(xGLXCreateContextReq) >> 2) != client->req_len ) return(16); | |||||
371 | ||||||
372 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
373 | return err; | |||||
374 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||||
375 | return err; | |||||
376 | ||||||
377 | return DoCreateContext(cl, req->context, req->shareList, | |||||
378 | config, pGlxScreen, req->isDirect); | |||||
379 | } | |||||
380 | ||||||
381 | int | |||||
382 | __glXDisp_CreateNewContext(__GLXclientState * cl, GLbyte * pc) | |||||
383 | { | |||||
384 | ClientPtr client = cl->client; | |||||
385 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; | |||||
386 | __GLXconfig *config; | |||||
387 | __GLXscreen *pGlxScreen; | |||||
388 | int err; | |||||
389 | ||||||
390 | REQUEST_SIZE_MATCH(xGLXCreateNewContextReq)if ((sizeof(xGLXCreateNewContextReq) >> 2) != client-> req_len) return(16); | |||||
391 | ||||||
392 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
393 | return err; | |||||
394 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||||
395 | return err; | |||||
396 | ||||||
397 | return DoCreateContext(cl, req->context, req->shareList, | |||||
398 | config, pGlxScreen, req->isDirect); | |||||
399 | } | |||||
400 | ||||||
401 | int | |||||
402 | __glXDisp_CreateContextWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
403 | { | |||||
404 | ClientPtr client = cl->client; | |||||
405 | xGLXCreateContextWithConfigSGIXReq *req = | |||||
406 | (xGLXCreateContextWithConfigSGIXReq *) pc; | |||||
407 | __GLXconfig *config; | |||||
408 | __GLXscreen *pGlxScreen; | |||||
409 | int err; | |||||
410 | ||||||
411 | REQUEST_SIZE_MATCH(xGLXCreateContextWithConfigSGIXReq)if ((sizeof(xGLXCreateContextWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||||
412 | ||||||
413 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
414 | return err; | |||||
415 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||||
416 | return err; | |||||
417 | ||||||
418 | return DoCreateContext(cl, req->context, req->shareList, | |||||
419 | config, pGlxScreen, req->isDirect); | |||||
420 | } | |||||
421 | ||||||
422 | int | |||||
423 | __glXDisp_DestroyContext(__GLXclientState * cl, GLbyte * pc) | |||||
424 | { | |||||
425 | ClientPtr client = cl->client; | |||||
426 | xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) pc; | |||||
427 | __GLXcontext *glxc; | |||||
428 | int err; | |||||
429 | ||||||
430 | REQUEST_SIZE_MATCH(xGLXDestroyContextReq)if ((sizeof(xGLXDestroyContextReq) >> 2) != client-> req_len) return(16); | |||||
431 | ||||||
432 | if (!validGlxContext(cl->client, req->context, DixDestroyAccess(1<<2), | |||||
433 | &glxc, &err)) | |||||
434 | return err; | |||||
435 | ||||||
436 | glxc->idExists = GL_FALSE0x0; | |||||
437 | if (!glxc->currentClient) | |||||
438 | FreeResourceByType(req->context, __glXContextRes, FALSE0); | |||||
439 | ||||||
440 | return Success0; | |||||
441 | } | |||||
442 | ||||||
443 | /* | |||||
444 | * This will return "deleted" contexts, ie, where idExists is GL_FALSE. | |||||
445 | * Contrast validGlxContext, which will not. We're cheating here and | |||||
446 | * using the XID as the context tag, which is fine as long as we defer | |||||
447 | * actually destroying the context until it's no longer referenced, and | |||||
448 | * block clients from trying to MakeCurrent on contexts that are on the | |||||
449 | * way to destruction. Notice that DoMakeCurrent calls validGlxContext | |||||
450 | * for new contexts but __glXLookupContextByTag for previous contexts. | |||||
451 | */ | |||||
452 | __GLXcontext * | |||||
453 | __glXLookupContextByTag(__GLXclientState * cl, GLXContextTag tag) | |||||
454 | { | |||||
455 | __GLXcontext *ret; | |||||
456 | ||||||
457 | if (dixLookupResourceByType((void **) &ret, tag, __glXContextRes, | |||||
458 | cl->client, DixUseAccess(1<<24)) == Success0) | |||||
459 | return ret; | |||||
460 | ||||||
461 | return NULL((void*)0); | |||||
462 | } | |||||
463 | ||||||
464 | /*****************************************************************************/ | |||||
465 | ||||||
466 | static void | |||||
467 | StopUsingContext(__GLXcontext * glxc) | |||||
468 | { | |||||
469 | if (glxc) { | |||||
470 | glxc->currentClient = NULL((void*)0); | |||||
471 | if (!glxc->idExists) { | |||||
472 | FreeResourceByType(glxc->id, __glXContextRes, FALSE0); | |||||
473 | } | |||||
474 | } | |||||
475 | } | |||||
476 | ||||||
477 | static void | |||||
478 | StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) | |||||
479 | { | |||||
480 | glxc->currentClient = cl->client; | |||||
481 | } | |||||
482 | ||||||
483 | /** | |||||
484 | * This is a helper function to handle the legacy (pre GLX 1.3) cases | |||||
485 | * where passing an X window to glXMakeCurrent is valid. Given a | |||||
486 | * resource ID, look up the GLX drawable if available, otherwise, make | |||||
487 | * sure it's an X window and create a GLX drawable one the fly. | |||||
488 | */ | |||||
489 | static __GLXdrawable * | |||||
490 | __glXGetDrawable(__GLXcontext * glxc, GLXDrawable drawId, ClientPtr client, | |||||
491 | int *error) | |||||
492 | { | |||||
493 | DrawablePtr pDraw; | |||||
494 | __GLXdrawable *pGlxDraw; | |||||
495 | int rc; | |||||
496 | ||||||
497 | if (validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||||
498 | DixWriteAccess(1<<1), &pGlxDraw, &rc)) { | |||||
499 | if (glxc != NULL((void*)0) && pGlxDraw->config != glxc->config) { | |||||
500 | client->errorValue = drawId; | |||||
501 | *error = BadMatch8; | |||||
502 | return NULL((void*)0); | |||||
503 | } | |||||
504 | ||||||
505 | return pGlxDraw; | |||||
506 | } | |||||
507 | ||||||
508 | /* No active context and an unknown drawable, bail. */ | |||||
509 | if (glxc == NULL((void*)0)) { | |||||
510 | client->errorValue = drawId; | |||||
511 | *error = BadMatch8; | |||||
512 | return NULL((void*)0); | |||||
513 | } | |||||
514 | ||||||
515 | /* The drawId wasn't a GLX drawable. Make sure it's a window and | |||||
516 | * create a GLXWindow for it. Check that the drawable screen | |||||
517 | * matches the context screen and that the context fbconfig is | |||||
518 | * compatible with the window visual. */ | |||||
519 | ||||||
520 | rc = dixLookupDrawable(&pDraw, drawId, client, 0, DixGetAttrAccess(1<<4)); | |||||
521 | if (rc != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||||
522 | client->errorValue = drawId; | |||||
523 | *error = __glXError(GLXBadDrawable2); | |||||
524 | return NULL((void*)0); | |||||
525 | } | |||||
526 | ||||||
527 | if (pDraw->pScreen != glxc->pGlxScreen->pScreen) { | |||||
528 | client->errorValue = pDraw->pScreen->myNum; | |||||
529 | *error = BadMatch8; | |||||
530 | return NULL((void*)0); | |||||
531 | } | |||||
532 | ||||||
533 | if (!validGlxFBConfigForWindow(client, glxc->config, pDraw, error)) | |||||
534 | return NULL((void*)0); | |||||
535 | ||||||
536 | pGlxDraw = glxc->pGlxScreen->createDrawable(client, glxc->pGlxScreen, | |||||
537 | pDraw, drawId, | |||||
538 | GLX_DRAWABLE_WINDOW, | |||||
539 | drawId, glxc->config); | |||||
540 | if (!pGlxDraw) { | |||||
541 | *error = BadAlloc11; | |||||
542 | return NULL((void*)0); | |||||
543 | } | |||||
544 | ||||||
545 | /* since we are creating the drawablePrivate, drawId should be new */ | |||||
546 | if (!AddResourceDarwin_X_AddResource(drawId, __glXDrawableRes, pGlxDraw)) { | |||||
547 | pGlxDraw->destroy(pGlxDraw); | |||||
548 | *error = BadAlloc11; | |||||
549 | return NULL((void*)0); | |||||
550 | } | |||||
551 | ||||||
552 | return pGlxDraw; | |||||
553 | } | |||||
554 | ||||||
555 | /*****************************************************************************/ | |||||
556 | /* | |||||
557 | ** Make an OpenGL context and drawable current. | |||||
558 | */ | |||||
559 | ||||||
560 | static int | |||||
561 | DoMakeCurrent(__GLXclientState * cl, | |||||
562 | GLXDrawable drawId, GLXDrawable readId, | |||||
563 | GLXContextID contextId, GLXContextTag tag) | |||||
564 | { | |||||
565 | ClientPtr client = cl->client; | |||||
566 | xGLXMakeCurrentReply reply; | |||||
567 | __GLXcontext *glxc, *prevglxc; | |||||
568 | __GLXdrawable *drawPriv = NULL((void*)0); | |||||
569 | __GLXdrawable *readPriv = NULL((void*)0); | |||||
570 | int error; | |||||
571 | GLuint mask; | |||||
572 | ||||||
573 | /* | |||||
574 | ** If one is None and the other isn't, it's a bad match. | |||||
575 | */ | |||||
576 | ||||||
577 | mask = (drawId == None0L) ? (1 << 0) : 0; | |||||
578 | mask |= (readId == None0L) ? (1 << 1) : 0; | |||||
579 | mask |= (contextId == None0L) ? (1 << 2) : 0; | |||||
580 | ||||||
581 | if ((mask != 0x00) && (mask != 0x07)) { | |||||
582 | return BadMatch8; | |||||
583 | } | |||||
584 | ||||||
585 | /* | |||||
586 | ** Lookup old context. If we have one, it must be in a usable state. | |||||
587 | */ | |||||
588 | if (tag != 0) { | |||||
589 | prevglxc = __glXLookupContextByTag(cl, tag); | |||||
590 | if (!prevglxc) { | |||||
591 | /* | |||||
592 | ** Tag for previous context is invalid. | |||||
593 | */ | |||||
594 | return __glXError(GLXBadContextTag4); | |||||
595 | } | |||||
596 | if (prevglxc->renderMode != GL_RENDER0x1C00) { | |||||
597 | /* Oops. Not in render mode render. */ | |||||
598 | client->errorValue = prevglxc->id; | |||||
599 | return __glXError(GLXBadContextState1); | |||||
600 | } | |||||
601 | } | |||||
602 | else { | |||||
603 | prevglxc = 0; | |||||
604 | } | |||||
605 | ||||||
606 | /* | |||||
607 | ** Lookup new context. It must not be current for someone else. | |||||
608 | */ | |||||
609 | if (contextId != None0L) { | |||||
610 | int status; | |||||
611 | ||||||
612 | if (!validGlxContext(client, contextId, DixUseAccess(1<<24), &glxc, &error)) | |||||
613 | return error; | |||||
614 | if ((glxc != prevglxc) && glxc->currentClient) { | |||||
615 | /* Context is current to somebody else */ | |||||
616 | return BadAccess10; | |||||
617 | } | |||||
618 | ||||||
619 | assert(drawId != None)(__builtin_expect(!(drawId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 619, "drawId != None") : (void)0); | |||||
620 | assert(readId != None)(__builtin_expect(!(readId != 0L), 0) ? __assert_rtn(__func__ , "glxcmds.c", 620, "readId != None") : (void)0); | |||||
621 | ||||||
622 | drawPriv = __glXGetDrawable(glxc, drawId, client, &status); | |||||
623 | if (drawPriv == NULL((void*)0)) | |||||
624 | return status; | |||||
625 | ||||||
626 | readPriv = __glXGetDrawable(glxc, readId, client, &status); | |||||
627 | if (readPriv == NULL((void*)0)) | |||||
628 | return status; | |||||
629 | ||||||
630 | } | |||||
631 | else { | |||||
632 | /* Switching to no context. Ignore new drawable. */ | |||||
633 | glxc = 0; | |||||
634 | drawPriv = 0; | |||||
635 | readPriv = 0; | |||||
636 | } | |||||
637 | ||||||
638 | if (prevglxc) { | |||||
639 | /* | |||||
640 | ** Flush the previous context if needed. | |||||
641 | */ | |||||
642 | Bool need_flush = GL_TRUE0x1; | |||||
643 | #ifdef GLX_CONTEXT_RELEASE_BEHAVIOR_ARB | |||||
644 | if (prevglxc->releaseBehavior == GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB) | |||||
645 | need_flush = GL_FALSE0x0; | |||||
646 | #endif | |||||
647 | if (prevglxc->hasUnflushedCommands && need_flush) { | |||||
648 | if (__glXForceCurrent(cl, tag, (int *) &error)) { | |||||
649 | glFlush(); | |||||
650 | prevglxc->hasUnflushedCommands = GL_FALSE0x0; | |||||
651 | } | |||||
652 | else { | |||||
653 | return error; | |||||
654 | } | |||||
655 | } | |||||
656 | ||||||
657 | /* | |||||
658 | ** Make the previous context not current. | |||||
659 | */ | |||||
660 | if (!(*prevglxc->loseCurrent) (prevglxc)) { | |||||
661 | return __glXError(GLXBadContext0); | |||||
662 | } | |||||
663 | lastGLContext = NULL((void*)0); | |||||
664 | if (!prevglxc->isDirect) { | |||||
665 | prevglxc->drawPriv = NULL((void*)0); | |||||
666 | prevglxc->readPriv = NULL((void*)0); | |||||
667 | } | |||||
668 | } | |||||
669 | ||||||
670 | if ((glxc != 0) && !glxc->isDirect) { | |||||
671 | ||||||
672 | glxc->drawPriv = drawPriv; | |||||
673 | glxc->readPriv = readPriv; | |||||
674 | ||||||
675 | /* make the context current */ | |||||
676 | lastGLContext = glxc; | |||||
677 | if (!(*glxc->makeCurrent) (glxc)) { | |||||
678 | lastGLContext = NULL((void*)0); | |||||
679 | glxc->drawPriv = NULL((void*)0); | |||||
680 | glxc->readPriv = NULL((void*)0); | |||||
681 | return __glXError(GLXBadContext0); | |||||
682 | } | |||||
683 | ||||||
684 | glxc->currentClient = client; | |||||
685 | } | |||||
686 | ||||||
687 | StopUsingContext(prevglxc); | |||||
688 | ||||||
689 | reply = (xGLXMakeCurrentReply) { | |||||
690 | .type = X_Reply1, | |||||
691 | .sequenceNumber = client->sequence, | |||||
692 | .length = 0, | |||||
693 | .contextTag = 0 | |||||
694 | }; | |||||
695 | ||||||
696 | if (glxc) { | |||||
697 | StartUsingContext(cl, glxc); | |||||
698 | reply.contextTag = glxc->id; | |||||
699 | } | |||||
700 | ||||||
701 | if (client->swapped) { | |||||
702 | __glXSwapMakeCurrentReply(client, &reply); | |||||
703 | } | |||||
704 | else { | |||||
705 | WriteToClient(client, sz_xGLXMakeCurrentReply32, &reply); | |||||
706 | } | |||||
707 | return Success0; | |||||
708 | } | |||||
709 | ||||||
710 | int | |||||
711 | __glXDisp_MakeCurrent(__GLXclientState * cl, GLbyte * pc) | |||||
712 | { | |||||
713 | ClientPtr client = cl->client; | |||||
714 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) pc; | |||||
715 | ||||||
716 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReq)if ((sizeof(xGLXMakeCurrentReq) >> 2) != client->req_len ) return(16); | |||||
717 | ||||||
718 | return DoMakeCurrent(cl, req->drawable, req->drawable, | |||||
719 | req->context, req->oldContextTag); | |||||
720 | } | |||||
721 | ||||||
722 | int | |||||
723 | __glXDisp_MakeContextCurrent(__GLXclientState * cl, GLbyte * pc) | |||||
724 | { | |||||
725 | ClientPtr client = cl->client; | |||||
726 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) pc; | |||||
727 | ||||||
728 | REQUEST_SIZE_MATCH(xGLXMakeContextCurrentReq)if ((sizeof(xGLXMakeContextCurrentReq) >> 2) != client-> req_len) return(16); | |||||
729 | ||||||
730 | return DoMakeCurrent(cl, req->drawable, req->readdrawable, | |||||
731 | req->context, req->oldContextTag); | |||||
732 | } | |||||
733 | ||||||
734 | int | |||||
735 | __glXDisp_MakeCurrentReadSGI(__GLXclientState * cl, GLbyte * pc) | |||||
736 | { | |||||
737 | ClientPtr client = cl->client; | |||||
738 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) pc; | |||||
739 | ||||||
740 | REQUEST_SIZE_MATCH(xGLXMakeCurrentReadSGIReq)if ((sizeof(xGLXMakeCurrentReadSGIReq) >> 2) != client-> req_len) return(16); | |||||
741 | ||||||
742 | return DoMakeCurrent(cl, req->drawable, req->readable, | |||||
743 | req->context, req->oldContextTag); | |||||
744 | } | |||||
745 | ||||||
746 | int | |||||
747 | __glXDisp_IsDirect(__GLXclientState * cl, GLbyte * pc) | |||||
748 | { | |||||
749 | ClientPtr client = cl->client; | |||||
750 | xGLXIsDirectReq *req = (xGLXIsDirectReq *) pc; | |||||
751 | xGLXIsDirectReply reply; | |||||
752 | __GLXcontext *glxc; | |||||
753 | int err; | |||||
754 | ||||||
755 | REQUEST_SIZE_MATCH(xGLXIsDirectReq)if ((sizeof(xGLXIsDirectReq) >> 2) != client->req_len ) return(16); | |||||
756 | ||||||
757 | if (!validGlxContext(cl->client, req->context, DixReadAccess(1<<0), &glxc, &err)) | |||||
758 | return err; | |||||
759 | ||||||
760 | reply = (xGLXIsDirectReply) { | |||||
761 | .type = X_Reply1, | |||||
762 | .sequenceNumber = client->sequence, | |||||
763 | .length = 0, | |||||
764 | .isDirect = glxc->isDirect | |||||
765 | }; | |||||
766 | ||||||
767 | if (client->swapped) { | |||||
768 | __glXSwapIsDirectReply(client, &reply); | |||||
769 | } | |||||
770 | else { | |||||
771 | WriteToClient(client, sz_xGLXIsDirectReply32, &reply); | |||||
772 | } | |||||
773 | ||||||
774 | return Success0; | |||||
775 | } | |||||
776 | ||||||
777 | int | |||||
778 | __glXDisp_QueryVersion(__GLXclientState * cl, GLbyte * pc) | |||||
779 | { | |||||
780 | ClientPtr client = cl->client; | |||||
781 | xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) pc; | |||||
782 | xGLXQueryVersionReply reply; | |||||
783 | GLuint major, minor; | |||||
784 | ||||||
785 | REQUEST_SIZE_MATCH(xGLXQueryVersionReq)if ((sizeof(xGLXQueryVersionReq) >> 2) != client->req_len ) return(16); | |||||
786 | ||||||
787 | major = req->majorVersion; | |||||
788 | minor = req->minorVersion; | |||||
789 | (void) major; | |||||
790 | (void) minor; | |||||
791 | ||||||
792 | /* | |||||
793 | ** Server should take into consideration the version numbers sent by the | |||||
794 | ** client if it wants to work with older clients; however, in this | |||||
795 | ** implementation the server just returns its version number. | |||||
796 | */ | |||||
797 | reply = (xGLXQueryVersionReply) { | |||||
798 | .type = X_Reply1, | |||||
799 | .sequenceNumber = client->sequence, | |||||
800 | .length = 0, | |||||
801 | .majorVersion = glxMajorVersion, | |||||
802 | .minorVersion = glxMinorVersion | |||||
803 | }; | |||||
804 | ||||||
805 | if (client->swapped) { | |||||
806 | __glXSwapQueryVersionReply(client, &reply); | |||||
807 | } | |||||
808 | else { | |||||
809 | WriteToClient(client, sz_xGLXQueryVersionReply32, &reply); | |||||
810 | } | |||||
811 | return Success0; | |||||
812 | } | |||||
813 | ||||||
814 | int | |||||
815 | __glXDisp_WaitGL(__GLXclientState * cl, GLbyte * pc) | |||||
816 | { | |||||
817 | ClientPtr client = cl->client; | |||||
818 | xGLXWaitGLReq *req = (xGLXWaitGLReq *) pc; | |||||
819 | GLXContextTag tag; | |||||
820 | __GLXcontext *glxc = NULL((void*)0); | |||||
821 | int error; | |||||
822 | ||||||
823 | REQUEST_SIZE_MATCH(xGLXWaitGLReq)if ((sizeof(xGLXWaitGLReq) >> 2) != client->req_len) return(16); | |||||
824 | ||||||
825 | tag = req->contextTag; | |||||
826 | if (tag) { | |||||
827 | glxc = __glXLookupContextByTag(cl, tag); | |||||
828 | if (!glxc) | |||||
829 | return __glXError(GLXBadContextTag4); | |||||
830 | ||||||
831 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||||
832 | return error; | |||||
833 | ||||||
834 | glFinish(); | |||||
835 | } | |||||
836 | ||||||
837 | if (glxc && glxc->drawPriv->waitGL) | |||||
838 | (*glxc->drawPriv->waitGL) (glxc->drawPriv); | |||||
839 | ||||||
840 | return Success0; | |||||
841 | } | |||||
842 | ||||||
843 | int | |||||
844 | __glXDisp_WaitX(__GLXclientState * cl, GLbyte * pc) | |||||
845 | { | |||||
846 | ClientPtr client = cl->client; | |||||
847 | xGLXWaitXReq *req = (xGLXWaitXReq *) pc; | |||||
848 | GLXContextTag tag; | |||||
849 | __GLXcontext *glxc = NULL((void*)0); | |||||
850 | int error; | |||||
851 | ||||||
852 | REQUEST_SIZE_MATCH(xGLXWaitXReq)if ((sizeof(xGLXWaitXReq) >> 2) != client->req_len) return (16); | |||||
853 | ||||||
854 | tag = req->contextTag; | |||||
855 | if (tag) { | |||||
856 | glxc = __glXLookupContextByTag(cl, tag); | |||||
857 | if (!glxc) | |||||
858 | return __glXError(GLXBadContextTag4); | |||||
859 | ||||||
860 | if (!__glXForceCurrent(cl, req->contextTag, &error)) | |||||
861 | return error; | |||||
862 | } | |||||
863 | ||||||
864 | if (glxc && glxc->drawPriv->waitX) | |||||
865 | (*glxc->drawPriv->waitX) (glxc->drawPriv); | |||||
866 | ||||||
867 | return Success0; | |||||
868 | } | |||||
869 | ||||||
870 | int | |||||
871 | __glXDisp_CopyContext(__GLXclientState * cl, GLbyte * pc) | |||||
872 | { | |||||
873 | ClientPtr client = cl->client; | |||||
874 | xGLXCopyContextReq *req = (xGLXCopyContextReq *) pc; | |||||
875 | GLXContextID source; | |||||
876 | GLXContextID dest; | |||||
877 | GLXContextTag tag; | |||||
878 | unsigned long mask; | |||||
879 | __GLXcontext *src, *dst; | |||||
880 | int error; | |||||
881 | ||||||
882 | REQUEST_SIZE_MATCH(xGLXCopyContextReq)if ((sizeof(xGLXCopyContextReq) >> 2) != client->req_len ) return(16); | |||||
883 | ||||||
884 | source = req->source; | |||||
885 | dest = req->dest; | |||||
886 | tag = req->contextTag; | |||||
887 | mask = req->mask; | |||||
888 | if (!validGlxContext(cl->client, source, DixReadAccess(1<<0), &src, &error)) | |||||
889 | return error; | |||||
890 | if (!validGlxContext(cl->client, dest, DixWriteAccess(1<<1), &dst, &error)) | |||||
891 | return error; | |||||
892 | ||||||
893 | /* | |||||
894 | ** They must be in the same address space, and same screen. | |||||
895 | ** NOTE: no support for direct rendering contexts here. | |||||
896 | */ | |||||
897 | if (src->isDirect || dst->isDirect || (src->pGlxScreen != dst->pGlxScreen)) { | |||||
898 | client->errorValue = source; | |||||
899 | return BadMatch8; | |||||
900 | } | |||||
901 | ||||||
902 | /* | |||||
903 | ** The destination context must not be current for any client. | |||||
904 | */ | |||||
905 | if (dst->currentClient) { | |||||
906 | client->errorValue = dest; | |||||
907 | return BadAccess10; | |||||
908 | } | |||||
909 | ||||||
910 | if (tag) { | |||||
911 | __GLXcontext *tagcx = __glXLookupContextByTag(cl, tag); | |||||
912 | ||||||
913 | if (!tagcx) { | |||||
914 | return __glXError(GLXBadContextTag4); | |||||
915 | } | |||||
916 | if (tagcx != src) { | |||||
917 | /* | |||||
918 | ** This would be caused by a faulty implementation of the client | |||||
919 | ** library. | |||||
920 | */ | |||||
921 | return BadMatch8; | |||||
922 | } | |||||
923 | /* | |||||
924 | ** In this case, glXCopyContext is in both GL and X streams, in terms | |||||
925 | ** of sequentiality. | |||||
926 | */ | |||||
927 | if (__glXForceCurrent(cl, tag, &error)) { | |||||
928 | /* | |||||
929 | ** Do whatever is needed to make sure that all preceding requests | |||||
930 | ** in both streams are completed before the copy is executed. | |||||
931 | */ | |||||
932 | glFinish(); | |||||
933 | tagcx->hasUnflushedCommands = GL_FALSE0x0; | |||||
934 | } | |||||
935 | else { | |||||
936 | return error; | |||||
937 | } | |||||
938 | } | |||||
939 | /* | |||||
940 | ** Issue copy. The only reason for failure is a bad mask. | |||||
941 | */ | |||||
942 | if (!(*dst->copy) (dst, src, mask)) { | |||||
943 | client->errorValue = mask; | |||||
944 | return BadValue2; | |||||
945 | } | |||||
946 | return Success0; | |||||
947 | } | |||||
948 | ||||||
949 | enum { | |||||
950 | GLX_VIS_CONFIG_UNPAIRED = 18, | |||||
951 | GLX_VIS_CONFIG_PAIRED = 22 | |||||
952 | }; | |||||
953 | ||||||
954 | enum { | |||||
955 | GLX_VIS_CONFIG_TOTAL = GLX_VIS_CONFIG_UNPAIRED + GLX_VIS_CONFIG_PAIRED | |||||
956 | }; | |||||
957 | ||||||
958 | int | |||||
959 | __glXDisp_GetVisualConfigs(__GLXclientState * cl, GLbyte * pc) | |||||
960 | { | |||||
961 | xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) pc; | |||||
962 | ClientPtr client = cl->client; | |||||
963 | xGLXGetVisualConfigsReply reply; | |||||
964 | __GLXscreen *pGlxScreen; | |||||
965 | __GLXconfig *modes; | |||||
966 | CARD32 buf[GLX_VIS_CONFIG_TOTAL]; | |||||
967 | int p, i, err; | |||||
968 | ||||||
969 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||||
970 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||||
971 | ||||||
972 | REQUEST_SIZE_MATCH(xGLXGetVisualConfigsReq)if ((sizeof(xGLXGetVisualConfigsReq) >> 2) != client-> req_len) return(16); | |||||
973 | ||||||
974 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
975 | return err; | |||||
976 | ||||||
977 | reply = (xGLXGetVisualConfigsReply) { | |||||
978 | .type = X_Reply1, | |||||
979 | .sequenceNumber = client->sequence, | |||||
980 | .length = (pGlxScreen->numVisuals * | |||||
981 | __GLX_SIZE_CARD324 * GLX_VIS_CONFIG_TOTAL) >> 2, | |||||
982 | .numVisuals = pGlxScreen->numVisuals, | |||||
983 | .numProps = GLX_VIS_CONFIG_TOTAL | |||||
984 | }; | |||||
985 | ||||||
986 | if (client->swapped) { | |||||
987 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||||
988 | __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;; | |||||
989 | __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;; | |||||
990 | __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;; | |||||
991 | } | |||||
992 | ||||||
993 | WriteToClient(client, sz_xGLXGetVisualConfigsReply32, &reply); | |||||
994 | ||||||
995 | for (i = 0; i < pGlxScreen->numVisuals; i++) { | |||||
996 | modes = pGlxScreen->visuals[i]; | |||||
997 | ||||||
998 | p = 0; | |||||
999 | buf[p++] = modes->visualID; | |||||
1000 | buf[p++] = glxConvertToXVisualType(modes->visualType); | |||||
1001 | buf[p++] = (modes->renderType & GLX_RGBA_BIT0x00000001) ? GL_TRUE0x1 : GL_FALSE0x0; | |||||
1002 | ||||||
1003 | buf[p++] = modes->redBits; | |||||
1004 | buf[p++] = modes->greenBits; | |||||
1005 | buf[p++] = modes->blueBits; | |||||
1006 | buf[p++] = modes->alphaBits; | |||||
1007 | buf[p++] = modes->accumRedBits; | |||||
1008 | buf[p++] = modes->accumGreenBits; | |||||
1009 | buf[p++] = modes->accumBlueBits; | |||||
1010 | buf[p++] = modes->accumAlphaBits; | |||||
1011 | ||||||
1012 | buf[p++] = modes->doubleBufferMode; | |||||
1013 | buf[p++] = modes->stereoMode; | |||||
1014 | ||||||
1015 | buf[p++] = modes->rgbBits; | |||||
1016 | buf[p++] = modes->depthBits; | |||||
1017 | buf[p++] = modes->stencilBits; | |||||
1018 | buf[p++] = modes->numAuxBuffers; | |||||
1019 | buf[p++] = modes->level; | |||||
1020 | ||||||
1021 | assert(p == GLX_VIS_CONFIG_UNPAIRED)(__builtin_expect(!(p == GLX_VIS_CONFIG_UNPAIRED), 0) ? __assert_rtn (__func__, "glxcmds.c", 1021, "p == GLX_VIS_CONFIG_UNPAIRED") : (void)0); | |||||
1022 | /* | |||||
1023 | ** Add token/value pairs for extensions. | |||||
1024 | */ | |||||
1025 | buf[p++] = GLX_VISUAL_CAVEAT_EXT0x20; | |||||
1026 | buf[p++] = modes->visualRating; | |||||
1027 | buf[p++] = GLX_TRANSPARENT_TYPE0x23; | |||||
1028 | buf[p++] = modes->transparentPixel; | |||||
1029 | buf[p++] = GLX_TRANSPARENT_RED_VALUE0x25; | |||||
1030 | buf[p++] = modes->transparentRed; | |||||
1031 | buf[p++] = GLX_TRANSPARENT_GREEN_VALUE0x26; | |||||
1032 | buf[p++] = modes->transparentGreen; | |||||
1033 | buf[p++] = GLX_TRANSPARENT_BLUE_VALUE0x27; | |||||
1034 | buf[p++] = modes->transparentBlue; | |||||
1035 | buf[p++] = GLX_TRANSPARENT_ALPHA_VALUE0x28; | |||||
1036 | buf[p++] = modes->transparentAlpha; | |||||
1037 | buf[p++] = GLX_TRANSPARENT_INDEX_VALUE0x24; | |||||
1038 | buf[p++] = modes->transparentIndex; | |||||
1039 | buf[p++] = GLX_SAMPLES_SGIS100001; | |||||
1040 | buf[p++] = modes->samples; | |||||
1041 | buf[p++] = GLX_SAMPLE_BUFFERS_SGIS100000; | |||||
1042 | buf[p++] = modes->sampleBuffers; | |||||
1043 | /* Add attribute only if its value is not default. */ | |||||
1044 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||||
1045 | buf[p++] = GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT0x20B2; | |||||
1046 | buf[p++] = modes->sRGBCapable; | |||||
1047 | } | |||||
1048 | /* Don't add visualSelectGroup (GLX_VISUAL_SELECT_GROUP_SGIX)? | |||||
1049 | * Pad the remaining place with zeroes, so that attributes count is constant. */ | |||||
1050 | while (p < GLX_VIS_CONFIG_TOTAL) { | |||||
1051 | buf[p++] = 0; | |||||
1052 | buf[p++] = 0; | |||||
1053 | } | |||||
1054 | ||||||
1055 | assert(p == GLX_VIS_CONFIG_TOTAL)(__builtin_expect(!(p == GLX_VIS_CONFIG_TOTAL), 0) ? __assert_rtn (__func__, "glxcmds.c", 1055, "p == GLX_VIS_CONFIG_TOTAL") : ( void)0); | |||||
1056 | if (client->swapped) { | |||||
1057 | __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; }; | |||||
1058 | } | |||||
1059 | WriteToClient(client, __GLX_SIZE_CARD324 * p, buf); | |||||
1060 | } | |||||
1061 | return Success0; | |||||
1062 | } | |||||
1063 | ||||||
1064 | #define __GLX_TOTAL_FBCONFIG_ATTRIBS(44) (44) | |||||
1065 | #define __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) (__GLX_TOTAL_FBCONFIG_ATTRIBS(44) * 2) | |||||
1066 | /** | |||||
1067 | * Send the set of GLXFBConfigs to the client. There is not currently | |||||
1068 | * and interface into the driver on the server-side to get GLXFBConfigs, | |||||
1069 | * so we "invent" some based on the \c __GLXvisualConfig structures that | |||||
1070 | * the driver does supply. | |||||
1071 | * | |||||
1072 | * The reply format for both \c glXGetFBConfigs and \c glXGetFBConfigsSGIX | |||||
1073 | * is the same, so this routine pulls double duty. | |||||
1074 | */ | |||||
1075 | ||||||
1076 | static int | |||||
1077 | DoGetFBConfigs(__GLXclientState * cl, unsigned screen) | |||||
1078 | { | |||||
1079 | ClientPtr client = cl->client; | |||||
1080 | xGLXGetFBConfigsReply reply; | |||||
1081 | __GLXscreen *pGlxScreen; | |||||
1082 | CARD32 buf[__GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)]; | |||||
1083 | int p, err; | |||||
1084 | __GLXconfig *modes; | |||||
1085 | ||||||
1086 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||||
1087 | __GLX_DECLARE_SWAP_ARRAY_VARIABLESGLbyte *swapPC; GLbyte *swapEnd; | |||||
1088 | ||||||
1089 | if (!validGlxScreen(cl->client, screen, &pGlxScreen, &err)) | |||||
| ||||||
1090 | return err; | |||||
1091 | ||||||
1092 | reply = (xGLXGetFBConfigsReply) { | |||||
1093 | .type = X_Reply1, | |||||
1094 | .sequenceNumber = client->sequence, | |||||
1095 | .length = __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2) * pGlxScreen->numFBConfigs, | |||||
1096 | .numFBConfigs = pGlxScreen->numFBConfigs, | |||||
1097 | .numAttribs = __GLX_TOTAL_FBCONFIG_ATTRIBS(44) | |||||
1098 | }; | |||||
1099 | ||||||
1100 | if (client->swapped) { | |||||
1101 | __GLX_SWAP_SHORT(&reply.sequenceNumber)sw = ((GLbyte *)(&reply.sequenceNumber))[0]; ((GLbyte *)( &reply.sequenceNumber))[0] = ((GLbyte *)(&reply.sequenceNumber ))[1]; ((GLbyte *)(&reply.sequenceNumber))[1] = sw;; | |||||
1102 | __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;; | |||||
1103 | __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;; | |||||
1104 | __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;; | |||||
1105 | } | |||||
1106 | ||||||
1107 | WriteToClient(client, sz_xGLXGetFBConfigsReply32, &reply); | |||||
1108 | ||||||
1109 | for (modes = pGlxScreen->fbconfigs; modes != NULL((void*)0); modes = modes->next) { | |||||
1110 | p = 0; | |||||
1111 | ||||||
1112 | #define WRITE_PAIR(tag,value)do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) \ | |||||
1113 | do { buf[p++] = tag ; buf[p++] = value ; } while( 0 ) | |||||
1114 | ||||||
1115 | WRITE_PAIR(GLX_VISUAL_ID, modes->visualID)do { buf[p++] = 0x800B ; buf[p++] = modes->visualID ; } while ( 0 ); | |||||
1116 | WRITE_PAIR(GLX_FBCONFIG_ID, modes->fbconfigID)do { buf[p++] = 0x8013 ; buf[p++] = modes->fbconfigID ; } while ( 0 ); | |||||
1117 | WRITE_PAIR(GLX_X_RENDERABLE, GL_TRUE)do { buf[p++] = 0x8012 ; buf[p++] = 0x1 ; } while( 0 ); | |||||
1118 | ||||||
1119 | WRITE_PAIR(GLX_RGBA,do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ) | |||||
1120 | (modes->renderType & GLX_RGBA_BIT) ? GL_TRUE : GL_FALSE)do { buf[p++] = 4 ; buf[p++] = (modes->renderType & 0x00000001 ) ? 0x1 : 0x0 ; } while( 0 ); | |||||
1121 | WRITE_PAIR(GLX_RENDER_TYPE, modes->renderType)do { buf[p++] = 0x8011 ; buf[p++] = modes->renderType ; } while ( 0 ); | |||||
1122 | WRITE_PAIR(GLX_DOUBLEBUFFER, modes->doubleBufferMode)do { buf[p++] = 5 ; buf[p++] = modes->doubleBufferMode ; } while( 0 ); | |||||
1123 | WRITE_PAIR(GLX_STEREO, modes->stereoMode)do { buf[p++] = 6 ; buf[p++] = modes->stereoMode ; } while ( 0 ); | |||||
1124 | ||||||
1125 | WRITE_PAIR(GLX_BUFFER_SIZE, modes->rgbBits)do { buf[p++] = 2 ; buf[p++] = modes->rgbBits ; } while( 0 ); | |||||
1126 | WRITE_PAIR(GLX_LEVEL, modes->level)do { buf[p++] = 3 ; buf[p++] = modes->level ; } while( 0 ); | |||||
1127 | WRITE_PAIR(GLX_AUX_BUFFERS, modes->numAuxBuffers)do { buf[p++] = 7 ; buf[p++] = modes->numAuxBuffers ; } while ( 0 ); | |||||
1128 | WRITE_PAIR(GLX_RED_SIZE, modes->redBits)do { buf[p++] = 8 ; buf[p++] = modes->redBits ; } while( 0 ); | |||||
1129 | WRITE_PAIR(GLX_GREEN_SIZE, modes->greenBits)do { buf[p++] = 9 ; buf[p++] = modes->greenBits ; } while( 0 ); | |||||
1130 | WRITE_PAIR(GLX_BLUE_SIZE, modes->blueBits)do { buf[p++] = 10 ; buf[p++] = modes->blueBits ; } while( 0 ); | |||||
1131 | WRITE_PAIR(GLX_ALPHA_SIZE, modes->alphaBits)do { buf[p++] = 11 ; buf[p++] = modes->alphaBits ; } while ( 0 ); | |||||
1132 | WRITE_PAIR(GLX_ACCUM_RED_SIZE, modes->accumRedBits)do { buf[p++] = 14 ; buf[p++] = modes->accumRedBits ; } while ( 0 ); | |||||
1133 | WRITE_PAIR(GLX_ACCUM_GREEN_SIZE, modes->accumGreenBits)do { buf[p++] = 15 ; buf[p++] = modes->accumGreenBits ; } while ( 0 ); | |||||
1134 | WRITE_PAIR(GLX_ACCUM_BLUE_SIZE, modes->accumBlueBits)do { buf[p++] = 16 ; buf[p++] = modes->accumBlueBits ; } while ( 0 ); | |||||
1135 | WRITE_PAIR(GLX_ACCUM_ALPHA_SIZE, modes->accumAlphaBits)do { buf[p++] = 17 ; buf[p++] = modes->accumAlphaBits ; } while ( 0 ); | |||||
1136 | WRITE_PAIR(GLX_DEPTH_SIZE, modes->depthBits)do { buf[p++] = 12 ; buf[p++] = modes->depthBits ; } while ( 0 ); | |||||
1137 | WRITE_PAIR(GLX_STENCIL_SIZE, modes->stencilBits)do { buf[p++] = 13 ; buf[p++] = modes->stencilBits ; } while ( 0 ); | |||||
1138 | WRITE_PAIR(GLX_X_VISUAL_TYPE, modes->visualType)do { buf[p++] = 0x22 ; buf[p++] = modes->visualType ; } while ( 0 ); | |||||
1139 | WRITE_PAIR(GLX_CONFIG_CAVEAT, modes->visualRating)do { buf[p++] = 0x20 ; buf[p++] = modes->visualRating ; } while ( 0 ); | |||||
1140 | WRITE_PAIR(GLX_TRANSPARENT_TYPE, modes->transparentPixel)do { buf[p++] = 0x23 ; buf[p++] = modes->transparentPixel ; } while( 0 ); | |||||
1141 | WRITE_PAIR(GLX_TRANSPARENT_RED_VALUE, modes->transparentRed)do { buf[p++] = 0x25 ; buf[p++] = modes->transparentRed ; } while( 0 ); | |||||
1142 | WRITE_PAIR(GLX_TRANSPARENT_GREEN_VALUE, modes->transparentGreen)do { buf[p++] = 0x26 ; buf[p++] = modes->transparentGreen ; } while( 0 ); | |||||
1143 | WRITE_PAIR(GLX_TRANSPARENT_BLUE_VALUE, modes->transparentBlue)do { buf[p++] = 0x27 ; buf[p++] = modes->transparentBlue ; } while( 0 ); | |||||
1144 | WRITE_PAIR(GLX_TRANSPARENT_ALPHA_VALUE, modes->transparentAlpha)do { buf[p++] = 0x28 ; buf[p++] = modes->transparentAlpha ; } while( 0 ); | |||||
1145 | WRITE_PAIR(GLX_TRANSPARENT_INDEX_VALUE, modes->transparentIndex)do { buf[p++] = 0x24 ; buf[p++] = modes->transparentIndex ; } while( 0 ); | |||||
1146 | WRITE_PAIR(GLX_SWAP_METHOD_OML, modes->swapMethod)do { buf[p++] = 0x8060 ; buf[p++] = modes->swapMethod ; } while ( 0 ); | |||||
1147 | WRITE_PAIR(GLX_SAMPLES_SGIS, modes->samples)do { buf[p++] = 100001 ; buf[p++] = modes->samples ; } while ( 0 ); | |||||
1148 | WRITE_PAIR(GLX_SAMPLE_BUFFERS_SGIS, modes->sampleBuffers)do { buf[p++] = 100000 ; buf[p++] = modes->sampleBuffers ; } while( 0 ); | |||||
1149 | WRITE_PAIR(GLX_VISUAL_SELECT_GROUP_SGIX, modes->visualSelectGroup)do { buf[p++] = 0x8028 ; buf[p++] = modes->visualSelectGroup ; } while( 0 ); | |||||
1150 | WRITE_PAIR(GLX_DRAWABLE_TYPE, modes->drawableType)do { buf[p++] = 0x8010 ; buf[p++] = modes->drawableType ; } while( 0 ); | |||||
1151 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGB_EXT, modes->bindToTextureRgb)do { buf[p++] = 0x20D0 ; buf[p++] = modes->bindToTextureRgb ; } while( 0 ); | |||||
1152 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_RGBA_EXT, modes->bindToTextureRgba)do { buf[p++] = 0x20D1 ; buf[p++] = modes->bindToTextureRgba ; } while( 0 ); | |||||
1153 | WRITE_PAIR(GLX_BIND_TO_MIPMAP_TEXTURE_EXT, modes->bindToMipmapTexture)do { buf[p++] = 0x20D2 ; buf[p++] = modes->bindToMipmapTexture ; } while( 0 ); | |||||
1154 | WRITE_PAIR(GLX_BIND_TO_TEXTURE_TARGETS_EXT,do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ) | |||||
1155 | modes->bindToTextureTargets)do { buf[p++] = 0x20D3 ; buf[p++] = modes->bindToTextureTargets ; } while( 0 ); | |||||
1156 | /* can't report honestly until mesa is fixed */ | |||||
1157 | WRITE_PAIR(GLX_Y_INVERTED_EXT, GLX_DONT_CARE)do { buf[p++] = 0x20D4 ; buf[p++] = 0xFFFFFFFF ; } while( 0 ); | |||||
1158 | if (modes->drawableType & GLX_PBUFFER_BIT0x00000004) { | |||||
1159 | WRITE_PAIR(GLX_MAX_PBUFFER_WIDTH, modes->maxPbufferWidth)do { buf[p++] = 0x8016 ; buf[p++] = modes->maxPbufferWidth ; } while( 0 ); | |||||
1160 | WRITE_PAIR(GLX_MAX_PBUFFER_HEIGHT, modes->maxPbufferHeight)do { buf[p++] = 0x8017 ; buf[p++] = modes->maxPbufferHeight ; } while( 0 ); | |||||
1161 | WRITE_PAIR(GLX_MAX_PBUFFER_PIXELS, modes->maxPbufferPixels)do { buf[p++] = 0x8018 ; buf[p++] = modes->maxPbufferPixels ; } while( 0 ); | |||||
1162 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_WIDTH_SGIX,do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ) | |||||
1163 | modes->optimalPbufferWidth)do { buf[p++] = 0x8019 ; buf[p++] = modes->optimalPbufferWidth ; } while( 0 ); | |||||
1164 | WRITE_PAIR(GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX,do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ) | |||||
1165 | modes->optimalPbufferHeight)do { buf[p++] = 0x801A ; buf[p++] = modes->optimalPbufferHeight ; } while( 0 ); | |||||
1166 | } | |||||
1167 | /* Add attribute only if its value is not default. */ | |||||
1168 | if (modes->sRGBCapable != GL_FALSE0x0) { | |||||
1169 | WRITE_PAIR(GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, modes->sRGBCapable)do { buf[p++] = 0x20B2 ; buf[p++] = modes->sRGBCapable ; } while( 0 ); | |||||
1170 | } | |||||
1171 | /* Pad the remaining place with zeroes, so that attributes count is constant. */ | |||||
1172 | while (p < __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2)) { | |||||
1173 | WRITE_PAIR(0, 0)do { buf[p++] = 0 ; buf[p++] = 0 ; } while( 0 ); | |||||
1174 | } | |||||
1175 | assert(p == __GLX_FBCONFIG_ATTRIBS_LENGTH)(__builtin_expect(!(p == ((44) * 2)), 0) ? __assert_rtn(__func__ , "glxcmds.c", 1175, "p == __GLX_FBCONFIG_ATTRIBS_LENGTH") : ( void)0); | |||||
1176 | ||||||
1177 | if (client->swapped) { | |||||
1178 | __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; }; | |||||
| ||||||
1179 | } | |||||
1180 | WriteToClient(client, __GLX_SIZE_CARD324 * __GLX_FBCONFIG_ATTRIBS_LENGTH((44) * 2), | |||||
1181 | (char *) buf); | |||||
1182 | } | |||||
1183 | return Success0; | |||||
1184 | } | |||||
1185 | ||||||
1186 | int | |||||
1187 | __glXDisp_GetFBConfigs(__GLXclientState * cl, GLbyte * pc) | |||||
1188 | { | |||||
1189 | ClientPtr client = cl->client; | |||||
1190 | xGLXGetFBConfigsReq *req = (xGLXGetFBConfigsReq *) pc; | |||||
1191 | ||||||
1192 | REQUEST_SIZE_MATCH(xGLXGetFBConfigsReq)if ((sizeof(xGLXGetFBConfigsReq) >> 2) != client->req_len ) return(16); | |||||
1193 | return DoGetFBConfigs(cl, req->screen); | |||||
1194 | } | |||||
1195 | ||||||
1196 | int | |||||
1197 | __glXDisp_GetFBConfigsSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
1198 | { | |||||
1199 | ClientPtr client = cl->client; | |||||
1200 | xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) pc; | |||||
1201 | ||||||
1202 | /* work around mesa bug, don't use REQUEST_SIZE_MATCH */ | |||||
1203 | REQUEST_AT_LEAST_SIZE(xGLXGetFBConfigsSGIXReq)if ((sizeof(xGLXGetFBConfigsSGIXReq) >> 2) > client-> req_len ) return(16); | |||||
1204 | return DoGetFBConfigs(cl, req->screen); | |||||
1205 | } | |||||
1206 | ||||||
1207 | GLboolean | |||||
1208 | __glXDrawableInit(__GLXdrawable * drawable, | |||||
1209 | __GLXscreen * screen, DrawablePtr pDraw, int type, | |||||
1210 | XID drawId, __GLXconfig * config) | |||||
1211 | { | |||||
1212 | drawable->pDraw = pDraw; | |||||
1213 | drawable->type = type; | |||||
1214 | drawable->drawId = drawId; | |||||
1215 | drawable->config = config; | |||||
1216 | drawable->eventMask = 0; | |||||
1217 | ||||||
1218 | return GL_TRUE0x1; | |||||
1219 | } | |||||
1220 | ||||||
1221 | void | |||||
1222 | __glXDrawableRelease(__GLXdrawable * drawable) | |||||
1223 | { | |||||
1224 | } | |||||
1225 | ||||||
1226 | static int | |||||
1227 | DoCreateGLXDrawable(ClientPtr client, __GLXscreen * pGlxScreen, | |||||
1228 | __GLXconfig * config, DrawablePtr pDraw, XID drawableId, | |||||
1229 | XID glxDrawableId, int type) | |||||
1230 | { | |||||
1231 | __GLXdrawable *pGlxDraw; | |||||
1232 | ||||||
1233 | if (pGlxScreen->pScreen != pDraw->pScreen) | |||||
1234 | return BadMatch8; | |||||
1235 | ||||||
1236 | pGlxDraw = pGlxScreen->createDrawable(client, pGlxScreen, pDraw, | |||||
1237 | drawableId, type, | |||||
1238 | glxDrawableId, config); | |||||
1239 | if (pGlxDraw == NULL((void*)0)) | |||||
1240 | return BadAlloc11; | |||||
1241 | ||||||
1242 | if (!AddResourceDarwin_X_AddResource(glxDrawableId, __glXDrawableRes, pGlxDraw)) { | |||||
1243 | pGlxDraw->destroy(pGlxDraw); | |||||
1244 | return BadAlloc11; | |||||
1245 | } | |||||
1246 | ||||||
1247 | /* | |||||
1248 | * Windows aren't refcounted, so track both the X and the GLX window | |||||
1249 | * so we get called regardless of destruction order. | |||||
1250 | */ | |||||
1251 | if (drawableId != glxDrawableId && type == GLX_DRAWABLE_WINDOW && | |||||
1252 | !AddResourceDarwin_X_AddResource(pDraw->id, __glXDrawableRes, pGlxDraw)) { | |||||
1253 | pGlxDraw->destroy(pGlxDraw); | |||||
1254 | return BadAlloc11; | |||||
1255 | } | |||||
1256 | ||||||
1257 | return Success0; | |||||
1258 | } | |||||
1259 | ||||||
1260 | static int | |||||
1261 | DoCreateGLXPixmap(ClientPtr client, __GLXscreen * pGlxScreen, | |||||
1262 | __GLXconfig * config, XID drawableId, XID glxDrawableId) | |||||
1263 | { | |||||
1264 | DrawablePtr pDraw; | |||||
1265 | int err; | |||||
1266 | ||||||
1267 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||||
1268 | ||||||
1269 | err = dixLookupDrawable(&pDraw, drawableId, client, 0, DixAddAccess(1<<12)); | |||||
1270 | if (err != Success0) { | |||||
1271 | client->errorValue = drawableId; | |||||
1272 | return err; | |||||
1273 | } | |||||
1274 | if (pDraw->type != DRAWABLE_PIXMAP1) { | |||||
1275 | client->errorValue = drawableId; | |||||
1276 | return BadPixmap4; | |||||
1277 | } | |||||
1278 | ||||||
1279 | err = DoCreateGLXDrawable(client, pGlxScreen, config, pDraw, drawableId, | |||||
1280 | glxDrawableId, GLX_DRAWABLE_PIXMAP); | |||||
1281 | ||||||
1282 | if (err == Success0) | |||||
1283 | ((PixmapPtr) pDraw)->refcnt++; | |||||
1284 | ||||||
1285 | return err; | |||||
1286 | } | |||||
1287 | ||||||
1288 | static void | |||||
1289 | determineTextureTarget(ClientPtr client, XID glxDrawableID, | |||||
1290 | CARD32 *attribs, CARD32 numAttribs) | |||||
1291 | { | |||||
1292 | GLenum target = 0; | |||||
1293 | GLenum format = 0; | |||||
1294 | int i, err; | |||||
1295 | __GLXdrawable *pGlxDraw; | |||||
1296 | ||||||
1297 | if (!validGlxDrawable(client, glxDrawableID, GLX_DRAWABLE_PIXMAP, | |||||
1298 | DixWriteAccess(1<<1), &pGlxDraw, &err)) | |||||
1299 | /* We just added it in CreatePixmap, so we should never get here. */ | |||||
1300 | return; | |||||
1301 | ||||||
1302 | for (i = 0; i < numAttribs; i++) { | |||||
1303 | if (attribs[2 * i] == GLX_TEXTURE_TARGET_EXT0x20D6) { | |||||
1304 | switch (attribs[2 * i + 1]) { | |||||
1305 | case GLX_TEXTURE_2D_EXT0x20DC: | |||||
1306 | target = GL_TEXTURE_2D0x0DE1; | |||||
1307 | break; | |||||
1308 | case GLX_TEXTURE_RECTANGLE_EXT0x20DD: | |||||
1309 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||||
1310 | break; | |||||
1311 | } | |||||
1312 | } | |||||
1313 | ||||||
1314 | if (attribs[2 * i] == GLX_TEXTURE_FORMAT_EXT0x20D5) | |||||
1315 | format = attribs[2 * i + 1]; | |||||
1316 | } | |||||
1317 | ||||||
1318 | if (!target) { | |||||
1319 | int w = pGlxDraw->pDraw->width, h = pGlxDraw->pDraw->height; | |||||
1320 | ||||||
1321 | if (h & (h - 1) || w & (w - 1)) | |||||
1322 | target = GL_TEXTURE_RECTANGLE_ARB0x84F5; | |||||
1323 | else | |||||
1324 | target = GL_TEXTURE_2D0x0DE1; | |||||
1325 | } | |||||
1326 | ||||||
1327 | pGlxDraw->target = target; | |||||
1328 | pGlxDraw->format = format; | |||||
1329 | } | |||||
1330 | ||||||
1331 | int | |||||
1332 | __glXDisp_CreateGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||||
1333 | { | |||||
1334 | ClientPtr client = cl->client; | |||||
1335 | xGLXCreateGLXPixmapReq *req = (xGLXCreateGLXPixmapReq *) pc; | |||||
1336 | __GLXconfig *config; | |||||
1337 | __GLXscreen *pGlxScreen; | |||||
1338 | int err; | |||||
1339 | ||||||
1340 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapReq)if ((sizeof(xGLXCreateGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||||
1341 | ||||||
1342 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
1343 | return err; | |||||
1344 | if (!validGlxVisual(cl->client, pGlxScreen, req->visual, &config, &err)) | |||||
1345 | return err; | |||||
1346 | ||||||
1347 | return DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||||
1348 | req->pixmap, req->glxpixmap); | |||||
1349 | } | |||||
1350 | ||||||
1351 | int | |||||
1352 | __glXDisp_CreatePixmap(__GLXclientState * cl, GLbyte * pc) | |||||
1353 | { | |||||
1354 | ClientPtr client = cl->client; | |||||
1355 | xGLXCreatePixmapReq *req = (xGLXCreatePixmapReq *) pc; | |||||
1356 | __GLXconfig *config; | |||||
1357 | __GLXscreen *pGlxScreen; | |||||
1358 | int err; | |||||
1359 | ||||||
1360 | REQUEST_AT_LEAST_SIZE(xGLXCreatePixmapReq)if ((sizeof(xGLXCreatePixmapReq) >> 2) > client-> req_len ) return(16); | |||||
1361 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||||
1362 | client->errorValue = req->numAttribs; | |||||
1363 | return BadValue2; | |||||
1364 | } | |||||
1365 | 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); | |||||
1366 | ||||||
1367 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
1368 | return err; | |||||
1369 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||||
1370 | return err; | |||||
1371 | ||||||
1372 | err = DoCreateGLXPixmap(cl->client, pGlxScreen, config, | |||||
1373 | req->pixmap, req->glxpixmap); | |||||
1374 | if (err != Success0) | |||||
1375 | return err; | |||||
1376 | ||||||
1377 | determineTextureTarget(cl->client, req->glxpixmap, | |||||
1378 | (CARD32 *) (req + 1), req->numAttribs); | |||||
1379 | ||||||
1380 | return Success0; | |||||
1381 | } | |||||
1382 | ||||||
1383 | int | |||||
1384 | __glXDisp_CreateGLXPixmapWithConfigSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
1385 | { | |||||
1386 | ClientPtr client = cl->client; | |||||
1387 | xGLXCreateGLXPixmapWithConfigSGIXReq *req = | |||||
1388 | (xGLXCreateGLXPixmapWithConfigSGIXReq *) pc; | |||||
1389 | __GLXconfig *config; | |||||
1390 | __GLXscreen *pGlxScreen; | |||||
1391 | int err; | |||||
1392 | ||||||
1393 | REQUEST_SIZE_MATCH(xGLXCreateGLXPixmapWithConfigSGIXReq)if ((sizeof(xGLXCreateGLXPixmapWithConfigSGIXReq) >> 2) != client->req_len) return(16); | |||||
1394 | ||||||
1395 | if (!validGlxScreen(cl->client, req->screen, &pGlxScreen, &err)) | |||||
1396 | return err; | |||||
1397 | if (!validGlxFBConfig(cl->client, pGlxScreen, req->fbconfig, &config, &err)) | |||||
1398 | return err; | |||||
1399 | ||||||
1400 | return DoCreateGLXPixmap(cl->client, pGlxScreen, | |||||
1401 | config, req->pixmap, req->glxpixmap); | |||||
1402 | } | |||||
1403 | ||||||
1404 | static int | |||||
1405 | DoDestroyDrawable(__GLXclientState * cl, XID glxdrawable, int type) | |||||
1406 | { | |||||
1407 | __GLXdrawable *pGlxDraw; | |||||
1408 | int err; | |||||
1409 | ||||||
1410 | if (!validGlxDrawable(cl->client, glxdrawable, type, | |||||
1411 | DixDestroyAccess(1<<2), &pGlxDraw, &err)) | |||||
1412 | return err; | |||||
1413 | ||||||
1414 | FreeResource(glxdrawable, FALSE0); | |||||
1415 | ||||||
1416 | return Success0; | |||||
1417 | } | |||||
1418 | ||||||
1419 | int | |||||
1420 | __glXDisp_DestroyGLXPixmap(__GLXclientState * cl, GLbyte * pc) | |||||
1421 | { | |||||
1422 | ClientPtr client = cl->client; | |||||
1423 | xGLXDestroyGLXPixmapReq *req = (xGLXDestroyGLXPixmapReq *) pc; | |||||
1424 | ||||||
1425 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPixmapReq)if ((sizeof(xGLXDestroyGLXPixmapReq) >> 2) != client-> req_len) return(16); | |||||
1426 | ||||||
1427 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||||
1428 | } | |||||
1429 | ||||||
1430 | int | |||||
1431 | __glXDisp_DestroyPixmap(__GLXclientState * cl, GLbyte * pc) | |||||
1432 | { | |||||
1433 | ClientPtr client = cl->client; | |||||
1434 | xGLXDestroyPixmapReq *req = (xGLXDestroyPixmapReq *) pc; | |||||
1435 | ||||||
1436 | /* should be REQUEST_SIZE_MATCH, but mesa's glXDestroyPixmap used to set | |||||
1437 | * length to 3 instead of 2 */ | |||||
1438 | REQUEST_AT_LEAST_SIZE(xGLXDestroyPixmapReq)if ((sizeof(xGLXDestroyPixmapReq) >> 2) > client-> req_len ) return(16); | |||||
1439 | ||||||
1440 | return DoDestroyDrawable(cl, req->glxpixmap, GLX_DRAWABLE_PIXMAP); | |||||
1441 | } | |||||
1442 | ||||||
1443 | static int | |||||
1444 | DoCreatePbuffer(ClientPtr client, int screenNum, XID fbconfigId, | |||||
1445 | int width, int height, XID glxDrawableId) | |||||
1446 | { | |||||
1447 | __GLXconfig *config; | |||||
1448 | __GLXscreen *pGlxScreen; | |||||
1449 | PixmapPtr pPixmap; | |||||
1450 | int err; | |||||
1451 | ||||||
1452 | LEGAL_NEW_RESOURCE(glxDrawableId, client)if (!LegalNewID(glxDrawableId,client)) { client->errorValue = glxDrawableId; return 14; }; | |||||
1453 | ||||||
1454 | if (!validGlxScreen(client, screenNum, &pGlxScreen, &err)) | |||||
1455 | return err; | |||||
1456 | if (!validGlxFBConfig(client, pGlxScreen, fbconfigId, &config, &err)) | |||||
1457 | return err; | |||||
1458 | ||||||
1459 | __glXenterServer(GL_FALSE0x0); | |||||
1460 | pPixmap = (*pGlxScreen->pScreen->CreatePixmap) (pGlxScreen->pScreen, | |||||
1461 | width, height, | |||||
1462 | config->rgbBits, 0); | |||||
1463 | __glXleaveServer(GL_FALSE0x0); | |||||
1464 | if (!pPixmap) | |||||
1465 | return BadAlloc11; | |||||
1466 | ||||||
1467 | /* Assign the pixmap the same id as the pbuffer and add it as a | |||||
1468 | * resource so it and the DRI2 drawable will be reclaimed when the | |||||
1469 | * pbuffer is destroyed. */ | |||||
1470 | pPixmap->drawable.id = glxDrawableId; | |||||
1471 | if (!AddResourceDarwin_X_AddResource(pPixmap->drawable.id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), pPixmap)) | |||||
1472 | return BadAlloc11; | |||||
1473 | ||||||
1474 | return DoCreateGLXDrawable(client, pGlxScreen, config, &pPixmap->drawable, | |||||
1475 | glxDrawableId, glxDrawableId, | |||||
1476 | GLX_DRAWABLE_PBUFFER); | |||||
1477 | } | |||||
1478 | ||||||
1479 | int | |||||
1480 | __glXDisp_CreatePbuffer(__GLXclientState * cl, GLbyte * pc) | |||||
1481 | { | |||||
1482 | ClientPtr client = cl->client; | |||||
1483 | xGLXCreatePbufferReq *req = (xGLXCreatePbufferReq *) pc; | |||||
1484 | CARD32 *attrs; | |||||
1485 | int width, height, i; | |||||
1486 | ||||||
1487 | REQUEST_AT_LEAST_SIZE(xGLXCreatePbufferReq)if ((sizeof(xGLXCreatePbufferReq) >> 2) > client-> req_len ) return(16); | |||||
1488 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||||
1489 | client->errorValue = req->numAttribs; | |||||
1490 | return BadValue2; | |||||
1491 | } | |||||
1492 | 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); | |||||
1493 | ||||||
1494 | attrs = (CARD32 *) (req + 1); | |||||
1495 | width = 0; | |||||
1496 | height = 0; | |||||
1497 | ||||||
1498 | for (i = 0; i < req->numAttribs; i++) { | |||||
1499 | switch (attrs[i * 2]) { | |||||
1500 | case GLX_PBUFFER_WIDTH0x8041: | |||||
1501 | width = attrs[i * 2 + 1]; | |||||
1502 | break; | |||||
1503 | case GLX_PBUFFER_HEIGHT0x8040: | |||||
1504 | height = attrs[i * 2 + 1]; | |||||
1505 | break; | |||||
1506 | case GLX_LARGEST_PBUFFER0x801C: | |||||
1507 | /* FIXME: huh... */ | |||||
1508 | break; | |||||
1509 | } | |||||
1510 | } | |||||
1511 | ||||||
1512 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||||
1513 | width, height, req->pbuffer); | |||||
1514 | } | |||||
1515 | ||||||
1516 | int | |||||
1517 | __glXDisp_CreateGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
1518 | { | |||||
1519 | ClientPtr client = cl->client; | |||||
1520 | xGLXCreateGLXPbufferSGIXReq *req = (xGLXCreateGLXPbufferSGIXReq *) pc; | |||||
1521 | ||||||
1522 | REQUEST_AT_LEAST_SIZE(xGLXCreateGLXPbufferSGIXReq)if ((sizeof(xGLXCreateGLXPbufferSGIXReq) >> 2) > client ->req_len ) return(16); | |||||
1523 | ||||||
1524 | /* | |||||
1525 | * We should really handle attributes correctly, but this extension | |||||
1526 | * is so rare I have difficulty caring. | |||||
1527 | */ | |||||
1528 | return DoCreatePbuffer(cl->client, req->screen, req->fbconfig, | |||||
1529 | req->width, req->height, req->pbuffer); | |||||
1530 | } | |||||
1531 | ||||||
1532 | int | |||||
1533 | __glXDisp_DestroyPbuffer(__GLXclientState * cl, GLbyte * pc) | |||||
1534 | { | |||||
1535 | ClientPtr client = cl->client; | |||||
1536 | xGLXDestroyPbufferReq *req = (xGLXDestroyPbufferReq *) pc; | |||||
1537 | ||||||
1538 | REQUEST_SIZE_MATCH(xGLXDestroyPbufferReq)if ((sizeof(xGLXDestroyPbufferReq) >> 2) != client-> req_len) return(16); | |||||
1539 | ||||||
1540 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||||
1541 | } | |||||
1542 | ||||||
1543 | int | |||||
1544 | __glXDisp_DestroyGLXPbufferSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
1545 | { | |||||
1546 | ClientPtr client = cl->client; | |||||
1547 | xGLXDestroyGLXPbufferSGIXReq *req = (xGLXDestroyGLXPbufferSGIXReq *) pc; | |||||
1548 | ||||||
1549 | REQUEST_SIZE_MATCH(xGLXDestroyGLXPbufferSGIXReq)if ((sizeof(xGLXDestroyGLXPbufferSGIXReq) >> 2) != client ->req_len) return(16); | |||||
1550 | ||||||
1551 | return DoDestroyDrawable(cl, req->pbuffer, GLX_DRAWABLE_PBUFFER); | |||||
1552 | } | |||||
1553 | ||||||
1554 | static int | |||||
1555 | DoChangeDrawableAttributes(ClientPtr client, XID glxdrawable, | |||||
1556 | int numAttribs, CARD32 *attribs) | |||||
1557 | { | |||||
1558 | __GLXdrawable *pGlxDraw; | |||||
1559 | int i, err; | |||||
1560 | ||||||
1561 | if (!validGlxDrawable(client, glxdrawable, GLX_DRAWABLE_ANY, | |||||
1562 | DixSetAttrAccess(1<<5), &pGlxDraw, &err)) | |||||
1563 | return err; | |||||
1564 | ||||||
1565 | for (i = 0; i < numAttribs; i++) { | |||||
1566 | switch (attribs[i * 2]) { | |||||
1567 | case GLX_EVENT_MASK0x801F: | |||||
1568 | /* All we do is to record the event mask so we can send it | |||||
1569 | * back when queried. We never actually clobber the | |||||
1570 | * pbuffers, so we never need to send out the event. */ | |||||
1571 | pGlxDraw->eventMask = attribs[i * 2 + 1]; | |||||
1572 | break; | |||||
1573 | } | |||||
1574 | } | |||||
1575 | ||||||
1576 | return Success0; | |||||
1577 | } | |||||
1578 | ||||||
1579 | int | |||||
1580 | __glXDisp_ChangeDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||||
1581 | { | |||||
1582 | ClientPtr client = cl->client; | |||||
1583 | xGLXChangeDrawableAttributesReq *req = | |||||
1584 | (xGLXChangeDrawableAttributesReq *) pc; | |||||
1585 | ||||||
1586 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesReq)if ((sizeof(xGLXChangeDrawableAttributesReq) >> 2) > client->req_len ) return(16); | |||||
1587 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||||
1588 | client->errorValue = req->numAttribs; | |||||
1589 | return BadValue2; | |||||
1590 | } | |||||
1591 | #if 0 | |||||
1592 | /* mesa sends an additional 8 bytes */ | |||||
1593 | 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); | |||||
1594 | #else | |||||
1595 | if (((sizeof(xGLXChangeDrawableAttributesReq) + | |||||
1596 | (req->numAttribs << 3)) >> 2) < client->req_len) | |||||
1597 | return BadLength16; | |||||
1598 | #endif | |||||
1599 | ||||||
1600 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||||
1601 | req->numAttribs, (CARD32 *) (req + 1)); | |||||
1602 | } | |||||
1603 | ||||||
1604 | int | |||||
1605 | __glXDisp_ChangeDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
1606 | { | |||||
1607 | ClientPtr client = cl->client; | |||||
1608 | xGLXChangeDrawableAttributesSGIXReq *req = | |||||
1609 | (xGLXChangeDrawableAttributesSGIXReq *) pc; | |||||
1610 | ||||||
1611 | REQUEST_AT_LEAST_SIZE(xGLXChangeDrawableAttributesSGIXReq)if ((sizeof(xGLXChangeDrawableAttributesSGIXReq) >> 2) > client->req_len ) return(16); | |||||
1612 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||||
1613 | client->errorValue = req->numAttribs; | |||||
1614 | return BadValue2; | |||||
1615 | } | |||||
1616 | 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) | |||||
1617 | 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); | |||||
1618 | ||||||
1619 | return DoChangeDrawableAttributes(cl->client, req->drawable, | |||||
1620 | req->numAttribs, (CARD32 *) (req + 1)); | |||||
1621 | } | |||||
1622 | ||||||
1623 | int | |||||
1624 | __glXDisp_CreateWindow(__GLXclientState * cl, GLbyte * pc) | |||||
1625 | { | |||||
1626 | xGLXCreateWindowReq *req = (xGLXCreateWindowReq *) pc; | |||||
1627 | __GLXconfig *config; | |||||
1628 | __GLXscreen *pGlxScreen; | |||||
1629 | ClientPtr client = cl->client; | |||||
1630 | DrawablePtr pDraw; | |||||
1631 | int err; | |||||
1632 | ||||||
1633 | REQUEST_AT_LEAST_SIZE(xGLXCreateWindowReq)if ((sizeof(xGLXCreateWindowReq) >> 2) > client-> req_len ) return(16); | |||||
1634 | if (req->numAttribs > (UINT32_MAX4294967295U >> 3)) { | |||||
1635 | client->errorValue = req->numAttribs; | |||||
1636 | return BadValue2; | |||||
1637 | } | |||||
1638 | 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); | |||||
1639 | ||||||
1640 | LEGAL_NEW_RESOURCE(req->glxwindow, client)if (!LegalNewID(req->glxwindow,client)) { client->errorValue = req->glxwindow; return 14; }; | |||||
1641 | ||||||
1642 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||||
1643 | return err; | |||||
1644 | if (!validGlxFBConfig(client, pGlxScreen, req->fbconfig, &config, &err)) | |||||
1645 | return err; | |||||
1646 | ||||||
1647 | err = dixLookupDrawable(&pDraw, req->window, client, 0, DixAddAccess(1<<12)); | |||||
1648 | if (err != Success0 || pDraw->type != DRAWABLE_WINDOW0) { | |||||
1649 | client->errorValue = req->window; | |||||
1650 | return BadWindow3; | |||||
1651 | } | |||||
1652 | ||||||
1653 | if (!validGlxFBConfigForWindow(client, config, pDraw, &err)) | |||||
1654 | return err; | |||||
1655 | ||||||
1656 | return DoCreateGLXDrawable(client, pGlxScreen, config, | |||||
1657 | pDraw, req->window, | |||||
1658 | req->glxwindow, GLX_DRAWABLE_WINDOW); | |||||
1659 | } | |||||
1660 | ||||||
1661 | int | |||||
1662 | __glXDisp_DestroyWindow(__GLXclientState * cl, GLbyte * pc) | |||||
1663 | { | |||||
1664 | ClientPtr client = cl->client; | |||||
1665 | xGLXDestroyWindowReq *req = (xGLXDestroyWindowReq *) pc; | |||||
1666 | ||||||
1667 | /* mesa's glXDestroyWindow used to set length to 3 instead of 2 */ | |||||
1668 | REQUEST_AT_LEAST_SIZE(xGLXDestroyWindowReq)if ((sizeof(xGLXDestroyWindowReq) >> 2) > client-> req_len ) return(16); | |||||
1669 | ||||||
1670 | return DoDestroyDrawable(cl, req->glxwindow, GLX_DRAWABLE_WINDOW); | |||||
1671 | } | |||||
1672 | ||||||
1673 | /*****************************************************************************/ | |||||
1674 | ||||||
1675 | /* | |||||
1676 | ** NOTE: There is no portable implementation for swap buffers as of | |||||
1677 | ** this time that is of value. Consequently, this code must be | |||||
1678 | ** implemented by somebody other than SGI. | |||||
1679 | */ | |||||
1680 | int | |||||
1681 | __glXDisp_SwapBuffers(__GLXclientState * cl, GLbyte * pc) | |||||
1682 | { | |||||
1683 | ClientPtr client = cl->client; | |||||
1684 | xGLXSwapBuffersReq *req = (xGLXSwapBuffersReq *) pc; | |||||
1685 | GLXContextTag tag; | |||||
1686 | XID drawId; | |||||
1687 | __GLXcontext *glxc = NULL((void*)0); | |||||
1688 | __GLXdrawable *pGlxDraw; | |||||
1689 | int error; | |||||
1690 | ||||||
1691 | REQUEST_SIZE_MATCH(xGLXSwapBuffersReq)if ((sizeof(xGLXSwapBuffersReq) >> 2) != client->req_len ) return(16); | |||||
1692 | ||||||
1693 | tag = req->contextTag; | |||||
1694 | drawId = req->drawable; | |||||
1695 | if (tag) { | |||||
1696 | glxc = __glXLookupContextByTag(cl, tag); | |||||
1697 | if (!glxc) { | |||||
1698 | return __glXError(GLXBadContextTag4); | |||||
1699 | } | |||||
1700 | /* | |||||
1701 | ** The calling thread is swapping its current drawable. In this case, | |||||
1702 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||||
1703 | ** sequentiality. | |||||
1704 | */ | |||||
1705 | if (__glXForceCurrent(cl, tag, &error)) { | |||||
1706 | /* | |||||
1707 | ** Do whatever is needed to make sure that all preceding requests | |||||
1708 | ** in both streams are completed before the swap is executed. | |||||
1709 | */ | |||||
1710 | glFinish(); | |||||
1711 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||||
1712 | } | |||||
1713 | else { | |||||
1714 | return error; | |||||
1715 | } | |||||
1716 | } | |||||
1717 | ||||||
1718 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||||
1719 | if (pGlxDraw == NULL((void*)0)) | |||||
1720 | return error; | |||||
1721 | ||||||
1722 | if (pGlxDraw->type == DRAWABLE_WINDOW0 && | |||||
1723 | (*pGlxDraw->swapBuffers) (cl->client, pGlxDraw) == GL_FALSE0x0) | |||||
1724 | return __glXError(GLXBadDrawable2); | |||||
1725 | ||||||
1726 | return Success0; | |||||
1727 | } | |||||
1728 | ||||||
1729 | static int | |||||
1730 | DoQueryContext(__GLXclientState * cl, GLXContextID gcId) | |||||
1731 | { | |||||
1732 | ClientPtr client = cl->client; | |||||
1733 | __GLXcontext *ctx; | |||||
1734 | xGLXQueryContextInfoEXTReply reply; | |||||
1735 | int nProps = 3; | |||||
1736 | int sendBuf[nProps * 2]; | |||||
1737 | int nReplyBytes; | |||||
1738 | int err; | |||||
1739 | ||||||
1740 | if (!validGlxContext(cl->client, gcId, DixReadAccess(1<<0), &ctx, &err)) | |||||
1741 | return err; | |||||
1742 | ||||||
1743 | reply = (xGLXQueryContextInfoEXTReply) { | |||||
1744 | .type = X_Reply1, | |||||
1745 | .sequenceNumber = client->sequence, | |||||
1746 | .length = nProps << 1, | |||||
1747 | .n = nProps | |||||
1748 | }; | |||||
1749 | ||||||
1750 | nReplyBytes = reply.length << 2; | |||||
1751 | sendBuf[0] = GLX_SHARE_CONTEXT_EXT0x800A; | |||||
1752 | sendBuf[1] = (int) (ctx->share_id); | |||||
1753 | sendBuf[2] = GLX_VISUAL_ID_EXT0x800B; | |||||
1754 | sendBuf[3] = (int) (ctx->config->visualID); | |||||
1755 | sendBuf[4] = GLX_SCREEN_EXT0x800C; | |||||
1756 | sendBuf[5] = (int) (ctx->pGlxScreen->pScreen->myNum); | |||||
1757 | ||||||
1758 | if (client->swapped) { | |||||
1759 | __glXSwapQueryContextInfoEXTReply(client, &reply, sendBuf); | |||||
1760 | } | |||||
1761 | else { | |||||
1762 | WriteToClient(client, sz_xGLXQueryContextInfoEXTReply32, &reply); | |||||
1763 | WriteToClient(client, nReplyBytes, sendBuf); | |||||
1764 | } | |||||
1765 | ||||||
1766 | return Success0; | |||||
1767 | } | |||||
1768 | ||||||
1769 | int | |||||
1770 | __glXDisp_QueryContextInfoEXT(__GLXclientState * cl, GLbyte * pc) | |||||
1771 | { | |||||
1772 | ClientPtr client = cl->client; | |||||
1773 | xGLXQueryContextInfoEXTReq *req = (xGLXQueryContextInfoEXTReq *) pc; | |||||
1774 | ||||||
1775 | REQUEST_SIZE_MATCH(xGLXQueryContextInfoEXTReq)if ((sizeof(xGLXQueryContextInfoEXTReq) >> 2) != client ->req_len) return(16); | |||||
1776 | ||||||
1777 | return DoQueryContext(cl, req->context); | |||||
1778 | } | |||||
1779 | ||||||
1780 | int | |||||
1781 | __glXDisp_QueryContext(__GLXclientState * cl, GLbyte * pc) | |||||
1782 | { | |||||
1783 | ClientPtr client = cl->client; | |||||
1784 | xGLXQueryContextReq *req = (xGLXQueryContextReq *) pc; | |||||
1785 | ||||||
1786 | REQUEST_SIZE_MATCH(xGLXQueryContextReq)if ((sizeof(xGLXQueryContextReq) >> 2) != client->req_len ) return(16); | |||||
1787 | ||||||
1788 | return DoQueryContext(cl, req->context); | |||||
1789 | } | |||||
1790 | ||||||
1791 | int | |||||
1792 | __glXDisp_BindTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||||
1793 | { | |||||
1794 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||||
1795 | ClientPtr client = cl->client; | |||||
1796 | __GLXcontext *context; | |||||
1797 | __GLXdrawable *pGlxDraw; | |||||
1798 | GLXDrawable drawId; | |||||
1799 | int buffer; | |||||
1800 | int error; | |||||
1801 | CARD32 num_attribs; | |||||
1802 | ||||||
1803 | if ((sizeof(xGLXVendorPrivateReq) + 12) >> 2 > client->req_len) | |||||
1804 | return BadLength16; | |||||
1805 | ||||||
1806 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||||
1807 | ||||||
1808 | drawId = *((CARD32 *) (pc)); | |||||
1809 | buffer = *((INT32 *) (pc + 4)); | |||||
1810 | num_attribs = *((CARD32 *) (pc + 8)); | |||||
1811 | if (num_attribs > (UINT32_MAX4294967295U >> 3)) { | |||||
1812 | client->errorValue = num_attribs; | |||||
1813 | return BadValue2; | |||||
1814 | } | |||||
1815 | 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); | |||||
1816 | ||||||
1817 | if (buffer != GLX_FRONT_LEFT_EXT0x20DE) | |||||
1818 | return __glXError(GLXBadPixmap3); | |||||
1819 | ||||||
1820 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||||
1821 | if (!context) | |||||
1822 | return error; | |||||
1823 | ||||||
1824 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||||
1825 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||||
1826 | return error; | |||||
1827 | ||||||
1828 | if (!context->textureFromPixmap) | |||||
1829 | return __glXError(GLXUnsupportedPrivateRequest8); | |||||
1830 | ||||||
1831 | return context->textureFromPixmap->bindTexImage(context, buffer, pGlxDraw); | |||||
1832 | } | |||||
1833 | ||||||
1834 | int | |||||
1835 | __glXDisp_ReleaseTexImageEXT(__GLXclientState * cl, GLbyte * pc) | |||||
1836 | { | |||||
1837 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||||
1838 | ClientPtr client = cl->client; | |||||
1839 | __GLXdrawable *pGlxDraw; | |||||
1840 | __GLXcontext *context; | |||||
1841 | GLXDrawable drawId; | |||||
1842 | int buffer; | |||||
1843 | int error; | |||||
1844 | ||||||
1845 | 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); | |||||
1846 | ||||||
1847 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||||
1848 | ||||||
1849 | drawId = *((CARD32 *) (pc)); | |||||
1850 | buffer = *((INT32 *) (pc + 4)); | |||||
1851 | ||||||
1852 | context = __glXForceCurrent(cl, req->contextTag, &error); | |||||
1853 | if (!context) | |||||
1854 | return error; | |||||
1855 | ||||||
1856 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_PIXMAP, | |||||
1857 | DixReadAccess(1<<0), &pGlxDraw, &error)) | |||||
1858 | return error; | |||||
1859 | ||||||
1860 | if (!context->textureFromPixmap) | |||||
1861 | return __glXError(GLXUnsupportedPrivateRequest8); | |||||
1862 | ||||||
1863 | return context->textureFromPixmap->releaseTexImage(context, | |||||
1864 | buffer, pGlxDraw); | |||||
1865 | } | |||||
1866 | ||||||
1867 | int | |||||
1868 | __glXDisp_CopySubBufferMESA(__GLXclientState * cl, GLbyte * pc) | |||||
1869 | { | |||||
1870 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||||
1871 | GLXContextTag tag = req->contextTag; | |||||
1872 | __GLXcontext *glxc = NULL((void*)0); | |||||
1873 | __GLXdrawable *pGlxDraw; | |||||
1874 | ClientPtr client = cl->client; | |||||
1875 | GLXDrawable drawId; | |||||
1876 | int error; | |||||
1877 | int x, y, width, height; | |||||
1878 | ||||||
1879 | (void) client; | |||||
1880 | (void) req; | |||||
1881 | ||||||
1882 | 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); | |||||
1883 | ||||||
1884 | pc += __GLX_VENDPRIV_HDR_SIZE12; | |||||
1885 | ||||||
1886 | drawId = *((CARD32 *) (pc)); | |||||
1887 | x = *((INT32 *) (pc + 4)); | |||||
1888 | y = *((INT32 *) (pc + 8)); | |||||
1889 | width = *((INT32 *) (pc + 12)); | |||||
1890 | height = *((INT32 *) (pc + 16)); | |||||
1891 | ||||||
1892 | if (tag) { | |||||
1893 | glxc = __glXLookupContextByTag(cl, tag); | |||||
1894 | if (!glxc) { | |||||
1895 | return __glXError(GLXBadContextTag4); | |||||
1896 | } | |||||
1897 | /* | |||||
1898 | ** The calling thread is swapping its current drawable. In this case, | |||||
1899 | ** glxSwapBuffers is in both GL and X streams, in terms of | |||||
1900 | ** sequentiality. | |||||
1901 | */ | |||||
1902 | if (__glXForceCurrent(cl, tag, &error)) { | |||||
1903 | /* | |||||
1904 | ** Do whatever is needed to make sure that all preceding requests | |||||
1905 | ** in both streams are completed before the swap is executed. | |||||
1906 | */ | |||||
1907 | glFinish(); | |||||
1908 | glxc->hasUnflushedCommands = GL_FALSE0x0; | |||||
1909 | } | |||||
1910 | else { | |||||
1911 | return error; | |||||
1912 | } | |||||
1913 | } | |||||
1914 | ||||||
1915 | pGlxDraw = __glXGetDrawable(glxc, drawId, client, &error); | |||||
1916 | if (!pGlxDraw) | |||||
1917 | return error; | |||||
1918 | ||||||
1919 | if (pGlxDraw == NULL((void*)0) || | |||||
1920 | pGlxDraw->type != GLX_DRAWABLE_WINDOW || | |||||
1921 | pGlxDraw->copySubBuffer == NULL((void*)0)) | |||||
1922 | return __glXError(GLXBadDrawable2); | |||||
1923 | ||||||
1924 | (*pGlxDraw->copySubBuffer) (pGlxDraw, x, y, width, height); | |||||
1925 | ||||||
1926 | return Success0; | |||||
1927 | } | |||||
1928 | ||||||
1929 | /* | |||||
1930 | ** Get drawable attributes | |||||
1931 | */ | |||||
1932 | static int | |||||
1933 | DoGetDrawableAttributes(__GLXclientState * cl, XID drawId) | |||||
1934 | { | |||||
1935 | ClientPtr client = cl->client; | |||||
1936 | xGLXGetDrawableAttributesReply reply; | |||||
1937 | __GLXdrawable *pGlxDraw = NULL((void*)0); | |||||
1938 | DrawablePtr pDraw; | |||||
1939 | CARD32 attributes[14]; | |||||
1940 | int num = 0, error; | |||||
1941 | ||||||
1942 | if (!validGlxDrawable(client, drawId, GLX_DRAWABLE_ANY, | |||||
1943 | DixGetAttrAccess(1<<4), &pGlxDraw, &error)) { | |||||
1944 | /* hack for GLX 1.2 naked windows */ | |||||
1945 | int err = dixLookupWindow((WindowPtr *)&pDraw, drawId, client, | |||||
1946 | DixGetAttrAccess(1<<4)); | |||||
1947 | if (err != Success0) | |||||
1948 | return error; | |||||
1949 | } | |||||
1950 | if (pGlxDraw) | |||||
1951 | pDraw = pGlxDraw->pDraw; | |||||
1952 | ||||||
1953 | attributes[2*num] = GLX_Y_INVERTED_EXT0x20D4; | |||||
1954 | attributes[2*num+1] = GL_FALSE0x0; | |||||
1955 | num++; | |||||
1956 | attributes[2*num] = GLX_WIDTH0x801D; | |||||
1957 | attributes[2*num+1] = pDraw->width; | |||||
1958 | num++; | |||||
1959 | attributes[2*num] = GLX_HEIGHT0x801E; | |||||
1960 | attributes[2*num+1] = pDraw->height; | |||||
1961 | num++; | |||||
1962 | if (pGlxDraw) { | |||||
1963 | attributes[2*num] = GLX_TEXTURE_TARGET_EXT0x20D6; | |||||
1964 | attributes[2*num+1] = pGlxDraw->target == GL_TEXTURE_2D0x0DE1 ? | |||||
1965 | GLX_TEXTURE_2D_EXT0x20DC : | |||||
1966 | GLX_TEXTURE_RECTANGLE_EXT0x20DD; | |||||
1967 | num++; | |||||
1968 | attributes[2*num] = GLX_EVENT_MASK0x801F; | |||||
1969 | attributes[2*num+1] = pGlxDraw->eventMask; | |||||
1970 | num++; | |||||
1971 | attributes[2*num] = GLX_FBCONFIG_ID0x8013; | |||||
1972 | attributes[2*num+1] = pGlxDraw->config->fbconfigID; | |||||
1973 | num++; | |||||
1974 | if (pGlxDraw->type == GLX_DRAWABLE_PBUFFER) { | |||||
1975 | attributes[2*num] = GLX_PRESERVED_CONTENTS0x801B; | |||||
1976 | attributes[2*num+1] = GL_TRUE0x1; | |||||
1977 | num++; | |||||
1978 | } | |||||
1979 | } | |||||
1980 | ||||||
1981 | reply = (xGLXGetDrawableAttributesReply) { | |||||
1982 | .type = X_Reply1, | |||||
1983 | .sequenceNumber = client->sequence, | |||||
1984 | .length = num << 1, | |||||
1985 | .numAttribs = num | |||||
1986 | }; | |||||
1987 | ||||||
1988 | if (client->swapped) { | |||||
1989 | __glXSwapGetDrawableAttributesReply(client, &reply, attributes); | |||||
1990 | } | |||||
1991 | else { | |||||
1992 | WriteToClient(client, sz_xGLXGetDrawableAttributesReply32, &reply); | |||||
1993 | WriteToClient(client, reply.length * sizeof(CARD32), attributes); | |||||
1994 | } | |||||
1995 | ||||||
1996 | return Success0; | |||||
1997 | } | |||||
1998 | ||||||
1999 | int | |||||
2000 | __glXDisp_GetDrawableAttributes(__GLXclientState * cl, GLbyte * pc) | |||||
2001 | { | |||||
2002 | ClientPtr client = cl->client; | |||||
2003 | xGLXGetDrawableAttributesReq *req = (xGLXGetDrawableAttributesReq *) pc; | |||||
2004 | ||||||
2005 | /* this should be REQUEST_SIZE_MATCH, but mesa sends an additional 4 bytes */ | |||||
2006 | REQUEST_AT_LEAST_SIZE(xGLXGetDrawableAttributesReq)if ((sizeof(xGLXGetDrawableAttributesReq) >> 2) > client ->req_len ) return(16); | |||||
2007 | ||||||
2008 | return DoGetDrawableAttributes(cl, req->drawable); | |||||
2009 | } | |||||
2010 | ||||||
2011 | int | |||||
2012 | __glXDisp_GetDrawableAttributesSGIX(__GLXclientState * cl, GLbyte * pc) | |||||
2013 | { | |||||
2014 | ClientPtr client = cl->client; | |||||
2015 | xGLXGetDrawableAttributesSGIXReq *req = | |||||
2016 | (xGLXGetDrawableAttributesSGIXReq *) pc; | |||||
2017 | ||||||
2018 | REQUEST_SIZE_MATCH(xGLXGetDrawableAttributesSGIXReq)if ((sizeof(xGLXGetDrawableAttributesSGIXReq) >> 2) != client ->req_len) return(16); | |||||
2019 | ||||||
2020 | return DoGetDrawableAttributes(cl, req->drawable); | |||||
2021 | } | |||||
2022 | ||||||
2023 | /************************************************************************/ | |||||
2024 | ||||||
2025 | /* | |||||
2026 | ** Render and Renderlarge are not in the GLX API. They are used by the GLX | |||||
2027 | ** client library to send batches of GL rendering commands. | |||||
2028 | */ | |||||
2029 | ||||||
2030 | /* | |||||
2031 | ** Execute all the drawing commands in a request. | |||||
2032 | */ | |||||
2033 | int | |||||
2034 | __glXDisp_Render(__GLXclientState * cl, GLbyte * pc) | |||||
2035 | { | |||||
2036 | xGLXRenderReq *req; | |||||
2037 | ClientPtr client = cl->client; | |||||
2038 | int left, cmdlen, error; | |||||
2039 | int commandsDone; | |||||
2040 | CARD16 opcode; | |||||
2041 | __GLXrenderHeader *hdr; | |||||
2042 | __GLXcontext *glxc; | |||||
2043 | ||||||
2044 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||||
2045 | ||||||
2046 | REQUEST_AT_LEAST_SIZE(xGLXRenderReq)if ((sizeof(xGLXRenderReq) >> 2) > client->req_len ) return(16); | |||||
2047 | ||||||
2048 | req = (xGLXRenderReq *) pc; | |||||
2049 | if (client->swapped) { | |||||
2050 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||||
2051 | __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;; | |||||
2052 | } | |||||
2053 | ||||||
2054 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||||
2055 | if (!glxc) { | |||||
2056 | return error; | |||||
2057 | } | |||||
2058 | ||||||
2059 | commandsDone = 0; | |||||
2060 | pc += sz_xGLXRenderReq8; | |||||
2061 | left = (req->length << 2) - sz_xGLXRenderReq8; | |||||
2062 | while (left > 0) { | |||||
2063 | __GLXrenderSizeData entry; | |||||
2064 | int extra = 0; | |||||
2065 | __GLXdispatchRenderProcPtr proc; | |||||
2066 | int err; | |||||
2067 | ||||||
2068 | if (left < sizeof(__GLXrenderHeader)) | |||||
2069 | return BadLength16; | |||||
2070 | ||||||
2071 | /* | |||||
2072 | ** Verify that the header length and the overall length agree. | |||||
2073 | ** Also, each command must be word aligned. | |||||
2074 | */ | |||||
2075 | hdr = (__GLXrenderHeader *) pc; | |||||
2076 | if (client->swapped) { | |||||
2077 | __GLX_SWAP_SHORT(&hdr->length)sw = ((GLbyte *)(&hdr->length))[0]; ((GLbyte *)(&hdr ->length))[0] = ((GLbyte *)(&hdr->length))[1]; ((GLbyte *)(&hdr->length))[1] = sw;; | |||||
2078 | __GLX_SWAP_SHORT(&hdr->opcode)sw = ((GLbyte *)(&hdr->opcode))[0]; ((GLbyte *)(&hdr ->opcode))[0] = ((GLbyte *)(&hdr->opcode))[1]; ((GLbyte *)(&hdr->opcode))[1] = sw;; | |||||
2079 | } | |||||
2080 | cmdlen = hdr->length; | |||||
2081 | opcode = hdr->opcode; | |||||
2082 | ||||||
2083 | if (left < cmdlen) | |||||
2084 | return BadLength16; | |||||
2085 | ||||||
2086 | /* | |||||
2087 | ** Check for core opcodes and grab entry data. | |||||
2088 | */ | |||||
2089 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||||
2090 | proc = (__GLXdispatchRenderProcPtr) | |||||
2091 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, | |||||
2092 | opcode, client->swapped); | |||||
2093 | ||||||
2094 | if ((err < 0) || (proc == NULL((void*)0))) { | |||||
2095 | client->errorValue = commandsDone; | |||||
2096 | return __glXError(GLXBadRenderRequest6); | |||||
2097 | } | |||||
2098 | ||||||
2099 | if (cmdlen < entry.bytes) { | |||||
2100 | return BadLength16; | |||||
2101 | } | |||||
2102 | ||||||
2103 | if (entry.varsize) { | |||||
2104 | /* variable size command */ | |||||
2105 | extra = (*entry.varsize) (pc + __GLX_RENDER_HDR_SIZE4, | |||||
2106 | client->swapped, | |||||
2107 | left - __GLX_RENDER_HDR_SIZE4); | |||||
2108 | if (extra < 0) { | |||||
2109 | return BadLength16; | |||||
2110 | } | |||||
2111 | } | |||||
2112 | ||||||
2113 | if (cmdlen != safe_pad(safe_add(entry.bytes, extra))) { | |||||
2114 | return BadLength16; | |||||
2115 | } | |||||
2116 | ||||||
2117 | /* | |||||
2118 | ** Skip over the header and execute the command. We allow the | |||||
2119 | ** caller to trash the command memory. This is useful especially | |||||
2120 | ** for things that require double alignment - they can just shift | |||||
2121 | ** the data towards lower memory (trashing the header) by 4 bytes | |||||
2122 | ** and achieve the required alignment. | |||||
2123 | */ | |||||
2124 | (*proc) (pc + __GLX_RENDER_HDR_SIZE4); | |||||
2125 | pc += cmdlen; | |||||
2126 | left -= cmdlen; | |||||
2127 | commandsDone++; | |||||
2128 | } | |||||
2129 | glxc->hasUnflushedCommands = GL_TRUE0x1; | |||||
2130 | return Success0; | |||||
2131 | } | |||||
2132 | ||||||
2133 | /* | |||||
2134 | ** Execute a large rendering request (one that spans multiple X requests). | |||||
2135 | */ | |||||
2136 | int | |||||
2137 | __glXDisp_RenderLarge(__GLXclientState * cl, GLbyte * pc) | |||||
2138 | { | |||||
2139 | xGLXRenderLargeReq *req; | |||||
2140 | ClientPtr client = cl->client; | |||||
2141 | size_t dataBytes; | |||||
2142 | __GLXrenderLargeHeader *hdr; | |||||
2143 | __GLXcontext *glxc; | |||||
2144 | int error; | |||||
2145 | CARD16 opcode; | |||||
2146 | ||||||
2147 | __GLX_DECLARE_SWAP_VARIABLESGLbyte sw; | |||||
2148 | ||||||
2149 | REQUEST_AT_LEAST_SIZE(xGLXRenderLargeReq)if ((sizeof(xGLXRenderLargeReq) >> 2) > client->req_len ) return(16); | |||||
2150 | ||||||
2151 | req = (xGLXRenderLargeReq *) pc; | |||||
2152 | if (client->swapped) { | |||||
2153 | __GLX_SWAP_SHORT(&req->length)sw = ((GLbyte *)(&req->length))[0]; ((GLbyte *)(&req ->length))[0] = ((GLbyte *)(&req->length))[1]; ((GLbyte *)(&req->length))[1] = sw;; | |||||
2154 | __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;; | |||||
2155 | __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;; | |||||
2156 | __GLX_SWAP_SHORT(&req->requestNumber)sw = ((GLbyte *)(&req->requestNumber))[0]; ((GLbyte *) (&req->requestNumber))[0] = ((GLbyte *)(&req->requestNumber ))[1]; ((GLbyte *)(&req->requestNumber))[1] = sw;; | |||||
2157 | __GLX_SWAP_SHORT(&req->requestTotal)sw = ((GLbyte *)(&req->requestTotal))[0]; ((GLbyte *)( &req->requestTotal))[0] = ((GLbyte *)(&req->requestTotal ))[1]; ((GLbyte *)(&req->requestTotal))[1] = sw;; | |||||
2158 | } | |||||
2159 | ||||||
2160 | glxc = __glXForceCurrent(cl, req->contextTag, &error); | |||||
2161 | if (!glxc) { | |||||
2162 | /* Reset in case this isn't 1st request. */ | |||||
2163 | __glXResetLargeCommandStatus(cl); | |||||
2164 | return error; | |||||
2165 | } | |||||
2166 | if (safe_pad(req->dataBytes) < 0) | |||||
2167 | return BadLength16; | |||||
2168 | dataBytes = req->dataBytes; | |||||
2169 | ||||||
2170 | /* | |||||
2171 | ** Check the request length. | |||||
2172 | */ | |||||
2173 | if ((req->length << 2) != safe_pad(dataBytes) + sz_xGLXRenderLargeReq16) { | |||||
2174 | client->errorValue = req->length; | |||||
2175 | /* Reset in case this isn't 1st request. */ | |||||
2176 | __glXResetLargeCommandStatus(cl); | |||||
2177 | return BadLength16; | |||||
2178 | } | |||||
2179 | pc += sz_xGLXRenderLargeReq16; | |||||
2180 | ||||||
2181 | if (cl->largeCmdRequestsSoFar == 0) { | |||||
2182 | __GLXrenderSizeData entry; | |||||
2183 | int extra = 0; | |||||
2184 | int left = (req->length << 2) - sz_xGLXRenderLargeReq16; | |||||
2185 | int cmdlen; | |||||
2186 | int err; | |||||
2187 | ||||||
2188 | /* | |||||
2189 | ** This is the first request of a multi request command. | |||||
2190 | ** Make enough space in the buffer, then copy the entire request. | |||||
2191 | */ | |||||
2192 | if (req->requestNumber != 1) { | |||||
2193 | client->errorValue = req->requestNumber; | |||||
2194 | return __glXError(GLXBadLargeRequest7); | |||||
2195 | } | |||||
2196 | ||||||
2197 | if (dataBytes < __GLX_RENDER_LARGE_HDR_SIZE8) | |||||
2198 | return BadLength16; | |||||
2199 | ||||||
2200 | hdr = (__GLXrenderLargeHeader *) pc; | |||||
2201 | if (client->swapped) { | |||||
2202 | __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;; | |||||
2203 | __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;; | |||||
2204 | } | |||||
2205 | opcode = hdr->opcode; | |||||
2206 | if ((cmdlen = safe_pad(hdr->length)) < 0) | |||||
2207 | return BadLength16; | |||||
2208 | ||||||
2209 | /* | |||||
2210 | ** Check for core opcodes and grab entry data. | |||||
2211 | */ | |||||
2212 | err = __glXGetProtocolSizeData(&Render_dispatch_info, opcode, &entry); | |||||
2213 | if (err < 0) { | |||||
2214 | client->errorValue = opcode; | |||||
2215 | return __glXError(GLXBadLargeRequest7); | |||||
2216 | } | |||||
2217 | ||||||
2218 | if (entry.varsize) { | |||||
2219 | /* | |||||
2220 | ** If it's a variable-size command (a command whose length must | |||||
2221 | ** be computed from its parameters), all the parameters needed | |||||
2222 | ** will be in the 1st request, so it's okay to do this. | |||||
2223 | */ | |||||
2224 | extra = (*entry.varsize) (pc + __GLX_RENDER_LARGE_HDR_SIZE8, | |||||
2225 | client->swapped, | |||||
2226 | left - __GLX_RENDER_LARGE_HDR_SIZE8); | |||||
2227 | if (extra < 0) { | |||||
2228 | return BadLength16; | |||||
2229 | } | |||||
2230 | } | |||||
2231 | ||||||
2232 | /* the +4 is safe because we know entry.bytes is small */ | |||||
2233 | if (cmdlen != safe_pad(safe_add(entry.bytes + 4, extra))) { | |||||
2234 | return BadLength16; | |||||
2235 | } | |||||
2236 | ||||||
2237 | /* | |||||
2238 | ** Make enough space in the buffer, then copy the entire request. | |||||
2239 | */ | |||||
2240 | if (cl->largeCmdBufSize < cmdlen) { | |||||
2241 | GLbyte *newbuf = cl->largeCmdBuf; | |||||
2242 | ||||||
2243 | if (!(newbuf = realloc(newbuf, cmdlen))) | |||||
2244 | return BadAlloc11; | |||||
2245 | ||||||
2246 | cl->largeCmdBuf = newbuf; | |||||
2247 | cl->largeCmdBufSize = cmdlen; | |||||
2248 | } | |||||
2249 | memcpy(cl->largeCmdBuf, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf, pc, dataBytes, __builtin_object_size (cl->largeCmdBuf, 0)); | |||||
2250 | ||||||
2251 | cl->largeCmdBytesSoFar = dataBytes; | |||||
2252 | cl->largeCmdBytesTotal = cmdlen; | |||||
2253 | cl->largeCmdRequestsSoFar = 1; | |||||
2254 | cl->largeCmdRequestsTotal = req->requestTotal; | |||||
2255 | return Success0; | |||||
2256 | ||||||
2257 | } | |||||
2258 | else { | |||||
2259 | /* | |||||
2260 | ** We are receiving subsequent (i.e. not the first) requests of a | |||||
2261 | ** multi request command. | |||||
2262 | */ | |||||
2263 | int bytesSoFar; /* including this packet */ | |||||
2264 | ||||||
2265 | /* | |||||
2266 | ** Check the request number and the total request count. | |||||
2267 | */ | |||||
2268 | if (req->requestNumber != cl->largeCmdRequestsSoFar + 1) { | |||||
2269 | client->errorValue = req->requestNumber; | |||||
2270 | __glXResetLargeCommandStatus(cl); | |||||
2271 | return __glXError(GLXBadLargeRequest7); | |||||
2272 | } | |||||
2273 | if (req->requestTotal != cl->largeCmdRequestsTotal) { | |||||
2274 | client->errorValue = req->requestTotal; | |||||
2275 | __glXResetLargeCommandStatus(cl); | |||||
2276 | return __glXError(GLXBadLargeRequest7); | |||||
2277 | } | |||||
2278 | ||||||
2279 | /* | |||||
2280 | ** Check that we didn't get too much data. | |||||
2281 | */ | |||||
2282 | if ((bytesSoFar = safe_add(cl->largeCmdBytesSoFar, dataBytes)) < 0) { | |||||
2283 | client->errorValue = dataBytes; | |||||
2284 | __glXResetLargeCommandStatus(cl); | |||||
2285 | return __glXError(GLXBadLargeRequest7); | |||||
2286 | } | |||||
2287 | ||||||
2288 | if (bytesSoFar > cl->largeCmdBytesTotal) { | |||||
2289 | client->errorValue = dataBytes; | |||||
2290 | __glXResetLargeCommandStatus(cl); | |||||
2291 | return __glXError(GLXBadLargeRequest7); | |||||
2292 | } | |||||
2293 | ||||||
2294 | memcpy(cl->largeCmdBuf + cl->largeCmdBytesSoFar, pc, dataBytes)__builtin___memcpy_chk (cl->largeCmdBuf + cl->largeCmdBytesSoFar , pc, dataBytes, __builtin_object_size (cl->largeCmdBuf + cl ->largeCmdBytesSoFar, 0)); | |||||
2295 | cl->largeCmdBytesSoFar += dataBytes; | |||||
2296 | cl->largeCmdRequestsSoFar++; | |||||
2297 | ||||||
2298 | if (req->requestNumber == cl->largeCmdRequestsTotal) { | |||||
2299 | __GLXdispatchRenderProcPtr proc; | |||||
2300 | ||||||
2301 | /* | |||||
2302 | ** This is the last request; it must have enough bytes to complete | |||||
2303 | ** the command. | |||||
2304 | */ | |||||
2305 | /* NOTE: the pad macro below is needed because the client library | |||||
2306 | ** pads the total byte count, but not the per-request byte counts. | |||||
2307 | ** The Protocol Encoding says the total byte count should not be | |||||
2308 | ** padded, so a proposal will be made to the ARB to relax the | |||||
2309 | ** padding constraint on the total byte count, thus preserving | |||||
2310 | ** backward compatibility. Meanwhile, the padding done below | |||||
2311 | ** fixes a bug that did not allow large commands of odd sizes to | |||||
2312 | ** be accepted by the server. | |||||
2313 | */ | |||||
2314 | if (safe_pad(cl->largeCmdBytesSoFar) != cl->largeCmdBytesTotal) { | |||||
2315 | client->errorValue = dataBytes; | |||||
2316 | __glXResetLargeCommandStatus(cl); | |||||
2317 | return __glXError(GLXBadLargeRequest7); | |||||
2318 | } | |||||
2319 | hdr = (__GLXrenderLargeHeader *) cl->largeCmdBuf; | |||||
2320 | /* | |||||
2321 | ** The opcode and length field in the header had already been | |||||
2322 | ** swapped when the first request was received. | |||||
2323 | ** | |||||
2324 | ** Use the opcode to index into the procedure table. | |||||
2325 | */ | |||||
2326 | opcode = hdr->opcode; | |||||
2327 | ||||||
2328 | proc = (__GLXdispatchRenderProcPtr) | |||||
2329 | __glXGetProtocolDecodeFunction(&Render_dispatch_info, opcode, | |||||
2330 | client->swapped); | |||||
2331 | if (proc == NULL((void*)0)) { | |||||
2332 | client->errorValue = opcode; | |||||
2333 | return __glXError(GLXBadLargeRequest7); | |||||
2334 | } | |||||
2335 | ||||||
2336 | /* | |||||
2337 | ** Skip over the header and execute the command. | |||||
2338 | */ | |||||
2339 | (*proc) (cl->largeCmdBuf + __GLX_RENDER_LARGE_HDR_SIZE8); | |||||
2340 | glxc->hasUnflushedCommands = GL_TRUE0x1; | |||||
2341 | ||||||
2342 | /* | |||||
2343 | ** Reset for the next RenderLarge series. | |||||
2344 | */ | |||||
2345 | __glXResetLargeCommandStatus(cl); | |||||
2346 | } | |||||
2347 | else { | |||||
2348 | /* | |||||
2349 | ** This is neither the first nor the last request. | |||||
2350 | */ | |||||
2351 | } | |||||
2352 | return Success0; | |||||
2353 | } | |||||
2354 | } | |||||
2355 | ||||||
2356 | /************************************************************************/ | |||||
2357 | ||||||
2358 | /* | |||||
2359 | ** No support is provided for the vendor-private requests other than | |||||
2360 | ** allocating the entry points in the dispatch table. | |||||
2361 | */ | |||||
2362 | ||||||
2363 | int | |||||
2364 | __glXDisp_VendorPrivate(__GLXclientState * cl, GLbyte * pc) | |||||
2365 | { | |||||
2366 | ClientPtr client = cl->client; | |||||
2367 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||||
2368 | GLint vendorcode = req->vendorCode; | |||||
2369 | __GLXdispatchVendorPrivProcPtr proc; | |||||
2370 | ||||||
2371 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||||
2372 | ||||||
2373 | proc = (__GLXdispatchVendorPrivProcPtr) | |||||
2374 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||||
2375 | vendorcode, 0); | |||||
2376 | if (proc != NULL((void*)0)) { | |||||
2377 | (*proc) (cl, (GLbyte *) req); | |||||
2378 | return Success0; | |||||
2379 | } | |||||
2380 | ||||||
2381 | cl->client->errorValue = req->vendorCode; | |||||
2382 | return __glXError(GLXUnsupportedPrivateRequest8); | |||||
2383 | } | |||||
2384 | ||||||
2385 | int | |||||
2386 | __glXDisp_VendorPrivateWithReply(__GLXclientState * cl, GLbyte * pc) | |||||
2387 | { | |||||
2388 | ClientPtr client = cl->client; | |||||
2389 | xGLXVendorPrivateReq *req = (xGLXVendorPrivateReq *) pc; | |||||
2390 | GLint vendorcode = req->vendorCode; | |||||
2391 | __GLXdispatchVendorPrivProcPtr proc; | |||||
2392 | ||||||
2393 | REQUEST_AT_LEAST_SIZE(xGLXVendorPrivateReq)if ((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len ) return(16); | |||||
2394 | ||||||
2395 | proc = (__GLXdispatchVendorPrivProcPtr) | |||||
2396 | __glXGetProtocolDecodeFunction(&VendorPriv_dispatch_info, | |||||
2397 | vendorcode, 0); | |||||
2398 | if (proc != NULL((void*)0)) { | |||||
2399 | return (*proc) (cl, (GLbyte *) req); | |||||
2400 | } | |||||
2401 | ||||||
2402 | cl->client->errorValue = vendorcode; | |||||
2403 | return __glXError(GLXUnsupportedPrivateRequest8); | |||||
2404 | } | |||||
2405 | ||||||
2406 | int | |||||
2407 | __glXDisp_QueryExtensionsString(__GLXclientState * cl, GLbyte * pc) | |||||
2408 | { | |||||
2409 | ClientPtr client = cl->client; | |||||
2410 | xGLXQueryExtensionsStringReq *req = (xGLXQueryExtensionsStringReq *) pc; | |||||
2411 | xGLXQueryExtensionsStringReply reply; | |||||
2412 | __GLXscreen *pGlxScreen; | |||||
2413 | size_t n, length; | |||||
2414 | char *buf; | |||||
2415 | int err; | |||||
2416 | ||||||
2417 | REQUEST_SIZE_MATCH(xGLXQueryExtensionsStringReq)if ((sizeof(xGLXQueryExtensionsStringReq) >> 2) != client ->req_len) return(16); | |||||
2418 | ||||||
2419 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||||
2420 | return err; | |||||
2421 | ||||||
2422 | n = strlen(pGlxScreen->GLXextensions) + 1; | |||||
2423 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||||
2424 | reply = (xGLXQueryExtensionsStringReply) { | |||||
2425 | .type = X_Reply1, | |||||
2426 | .sequenceNumber = client->sequence, | |||||
2427 | .length = length, | |||||
2428 | .n = n | |||||
2429 | }; | |||||
2430 | ||||||
2431 | /* Allocate buffer to make sure it's a multiple of 4 bytes big. */ | |||||
2432 | buf = calloc(length, 4); | |||||
2433 | if (buf == NULL((void*)0)) | |||||
2434 | return BadAlloc11; | |||||
2435 | memcpy(buf, pGlxScreen->GLXextensions, n)__builtin___memcpy_chk (buf, pGlxScreen->GLXextensions, n, __builtin_object_size (buf, 0)); | |||||
2436 | ||||||
2437 | if (client->swapped) { | |||||
2438 | glxSwapQueryExtensionsStringReply(client, &reply, buf); | |||||
2439 | } | |||||
2440 | else { | |||||
2441 | WriteToClient(client, sz_xGLXQueryExtensionsStringReply32, &reply); | |||||
2442 | WriteToClient(client, (int) (length << 2), buf); | |||||
2443 | } | |||||
2444 | ||||||
2445 | free(buf); | |||||
2446 | return Success0; | |||||
2447 | } | |||||
2448 | ||||||
2449 | int | |||||
2450 | __glXDisp_QueryServerString(__GLXclientState * cl, GLbyte * pc) | |||||
2451 | { | |||||
2452 | ClientPtr client = cl->client; | |||||
2453 | xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) pc; | |||||
2454 | xGLXQueryServerStringReply reply; | |||||
2455 | size_t n, length; | |||||
2456 | const char *ptr; | |||||
2457 | char *buf; | |||||
2458 | __GLXscreen *pGlxScreen; | |||||
2459 | int err; | |||||
2460 | char ver_str[16]; | |||||
2461 | ||||||
2462 | REQUEST_SIZE_MATCH(xGLXQueryServerStringReq)if ((sizeof(xGLXQueryServerStringReq) >> 2) != client-> req_len) return(16); | |||||
2463 | ||||||
2464 | if (!validGlxScreen(client, req->screen, &pGlxScreen, &err)) | |||||
2465 | return err; | |||||
2466 | ||||||
2467 | switch (req->name) { | |||||
2468 | case GLX_VENDOR0x1: | |||||
2469 | ptr = GLXServerVendorName; | |||||
2470 | break; | |||||
2471 | case GLX_VERSION0x2: | |||||
2472 | /* Return to the server version rather than the screen version | |||||
2473 | * to prevent confusion when they do not match. | |||||
2474 | */ | |||||
2475 | snprintf(ver_str, 16, "%d.%d", glxMajorVersion, glxMinorVersion)__builtin___snprintf_chk (ver_str, 16, 0, __builtin_object_size (ver_str, 2 > 1 ? 1 : 0), "%d.%d", glxMajorVersion, glxMinorVersion ); | |||||
2476 | ptr = ver_str; | |||||
2477 | break; | |||||
2478 | case GLX_EXTENSIONS0x3: | |||||
2479 | ptr = pGlxScreen->GLXextensions; | |||||
2480 | break; | |||||
2481 | default: | |||||
2482 | return BadValue2; | |||||
2483 | } | |||||
2484 | ||||||
2485 | n = strlen(ptr) + 1; | |||||
2486 | length = __GLX_PAD(n)(((n)+3) & (GLuint)~3) >> 2; | |||||
2487 | reply = (xGLXQueryServerStringReply) { | |||||
2488 | .type = X_Reply1, | |||||
2489 | .sequenceNumber = client->sequence, | |||||
2490 | .length = length, | |||||
2491 | .n = n | |||||
2492 | }; | |||||
2493 | ||||||
2494 | buf = calloc(length, 4); | |||||
2495 | if (buf == NULL((void*)0)) { | |||||
2496 | return BadAlloc11; | |||||
2497 | } | |||||
2498 | memcpy(buf, ptr, n)__builtin___memcpy_chk (buf, ptr, n, __builtin_object_size (buf , 0)); | |||||
2499 | ||||||
2500 | if (client->swapped) { | |||||
2501 | glxSwapQueryServerStringReply(client, &reply, buf); | |||||
2502 | } | |||||
2503 | else { | |||||
2504 | WriteToClient(client, sz_xGLXQueryServerStringReply32, &reply); | |||||
2505 | WriteToClient(client, (int) (length << 2), buf); | |||||
2506 | } | |||||
2507 | ||||||
2508 | free(buf); | |||||
2509 | return Success0; | |||||
2510 | } | |||||
2511 | ||||||
2512 | int | |||||
2513 | __glXDisp_ClientInfo(__GLXclientState * cl, GLbyte * pc) | |||||
2514 | { | |||||
2515 | ClientPtr client = cl->client; | |||||
2516 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) pc; | |||||
2517 | const char *buf; | |||||
2518 | ||||||
2519 | REQUEST_AT_LEAST_SIZE(xGLXClientInfoReq)if ((sizeof(xGLXClientInfoReq) >> 2) > client->req_len ) return(16); | |||||
2520 | ||||||
2521 | buf = (const char *) (req + 1); | |||||
2522 | if (!memchr(buf, 0, (client->req_len << 2) - sizeof(xGLXClientInfoReq))) | |||||
2523 | return BadLength16; | |||||
2524 | ||||||
2525 | free(cl->GLClientextensions); | |||||
2526 | cl->GLClientextensions = strdup(buf); | |||||
2527 | ||||||
2528 | return Success0; | |||||
2529 | } | |||||
2530 | ||||||
2531 | #include <GL/glxtokens.h> | |||||
2532 | ||||||
2533 | void | |||||
2534 | __glXsendSwapEvent(__GLXdrawable *drawable, int type, CARD64 ust, | |||||
2535 | CARD64 msc, CARD32 sbc) | |||||
2536 | { | |||||
2537 | ClientPtr client = clients[CLIENT_ID(drawable->drawId)((int)(((drawable->drawId) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))]; | |||||
2538 | ||||||
2539 | xGLXBufferSwapComplete2 wire = { | |||||
2540 | .type = __glXEventBase + GLX_BufferSwapComplete1 | |||||
2541 | }; | |||||
2542 | ||||||
2543 | if (!client) | |||||
2544 | return; | |||||
2545 | ||||||
2546 | if (!(drawable->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK0x04000000)) | |||||
2547 | return; | |||||
2548 | ||||||
2549 | wire.event_type = type; | |||||
2550 | wire.drawable = drawable->drawId; | |||||
2551 | wire.ust_hi = ust >> 32; | |||||
2552 | wire.ust_lo = ust & 0xffffffff; | |||||
2553 | wire.msc_hi = msc >> 32; | |||||
2554 | wire.msc_lo = msc & 0xffffffff; | |||||
2555 | wire.sbc = sbc; | |||||
2556 | ||||||
2557 | WriteEventsToClient(client, 1, (xEvent *) &wire); | |||||
2558 | } | |||||
2559 | ||||||
2560 | #if PRESENT1 | |||||
2561 | static void | |||||
2562 | __glXpresentCompleteNotify(WindowPtr window, CARD8 present_kind, CARD8 present_mode, | |||||
2563 | CARD32 serial, uint64_t ust, uint64_t msc) | |||||
2564 | { | |||||
2565 | __GLXdrawable *drawable; | |||||
2566 | int glx_type; | |||||
2567 | int rc; | |||||
2568 | ||||||
2569 | if (present_kind != PresentCompleteKindPixmap0) | |||||
2570 | return; | |||||
2571 | ||||||
2572 | rc = dixLookupResourceByType((void **) &drawable, window->drawable.id, | |||||
2573 | __glXDrawableRes, serverClient, DixGetAttrAccess(1<<4)); | |||||
2574 | ||||||
2575 | if (rc != Success0) | |||||
2576 | return; | |||||
2577 | ||||||
2578 | if (present_mode == PresentCompleteModeFlip1) | |||||
2579 | glx_type = GLX_FLIP_COMPLETE_INTEL0x8182; | |||||
2580 | else | |||||
2581 | glx_type = GLX_BLIT_COMPLETE_INTEL0x8181; | |||||
2582 | ||||||
2583 | __glXsendSwapEvent(drawable, glx_type, ust, msc, serial); | |||||
2584 | } | |||||
2585 | ||||||
2586 | #include <present.h> | |||||
2587 | ||||||
2588 | void | |||||
2589 | __glXregisterPresentCompleteNotify(void) | |||||
2590 | { | |||||
2591 | present_register_complete_notify(__glXpresentCompleteNotify); | |||||
2592 | } | |||||
2593 | #endif |