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a09e091a JB |
1 | /* |
2 | * Copyright © 2013 Keith Packard | |
3 | * | |
4 | * Permission to use, copy, modify, distribute, and sell this software and its | |
5 | * documentation for any purpose is hereby granted without fee, provided that | |
6 | * the above copyright notice appear in all copies and that both that copyright | |
7 | * notice and this permission notice appear in supporting documentation, and | |
8 | * that the name of the copyright holders not be used in advertising or | |
9 | * publicity pertaining to distribution of the software without specific, | |
10 | * written prior permission. The copyright holders make no representations | |
11 | * about the suitability of this software for any purpose. It is provided "as | |
12 | * is" without express or implied warranty. | |
13 | * | |
14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
20 | * OF THIS SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifdef HAVE_XORG_CONFIG_H | |
24 | #include <xorg-config.h> | |
25 | #endif | |
26 | ||
27 | #include "present_priv.h" | |
28 | #include <gcstruct.h> | |
29 | #include <misync.h> | |
30 | #include <misyncstr.h> | |
31 | #ifdef MONOTONIC_CLOCK | |
32 | #include <time.h> | |
33 | #endif | |
34 | ||
35 | static uint64_t present_event_id; | |
36 | static struct xorg_list present_exec_queue; | |
37 | static struct xorg_list present_flip_queue; | |
38 | ||
39 | #if 0 | |
40 | #define DebugPresent(x) ErrorF x | |
41 | #else | |
42 | #define DebugPresent(x) | |
43 | #endif | |
44 | ||
45 | /* | |
46 | * Copies the update region from a pixmap to the target drawable | |
47 | */ | |
48 | static void | |
49 | present_copy_region(DrawablePtr drawable, | |
50 | PixmapPtr pixmap, | |
51 | RegionPtr update, | |
52 | int16_t x_off, | |
53 | int16_t y_off) | |
54 | { | |
55 | ScreenPtr screen = drawable->pScreen; | |
56 | GCPtr gc; | |
57 | ||
58 | gc = GetScratchGC(drawable->depth, screen); | |
59 | if (update) { | |
60 | ChangeGCVal changes[2]; | |
61 | ||
62 | changes[0].val = x_off; | |
63 | changes[1].val = y_off; | |
64 | ChangeGC(serverClient, gc, | |
65 | GCClipXOrigin|GCClipYOrigin, | |
66 | changes); | |
67 | (*gc->funcs->ChangeClip)(gc, CT_REGION, update, 0); | |
68 | } | |
69 | ValidateGC(drawable, gc); | |
70 | (*gc->ops->CopyArea)(&pixmap->drawable, | |
71 | drawable, | |
72 | gc, | |
73 | 0, 0, | |
74 | pixmap->drawable.width, pixmap->drawable.height, | |
75 | x_off, y_off); | |
76 | if (update) | |
77 | (*gc->funcs->ChangeClip)(gc, CT_NONE, NULL, 0); | |
78 | FreeScratchGC(gc); | |
79 | } | |
80 | ||
81 | static Bool | |
82 | present_check_flip(RRCrtcPtr crtc, | |
83 | WindowPtr window, | |
84 | PixmapPtr pixmap, | |
85 | Bool sync_flip, | |
86 | RegionPtr valid, | |
87 | int16_t x_off, | |
88 | int16_t y_off) | |
89 | { | |
90 | ScreenPtr screen = window->drawable.pScreen; | |
91 | WindowPtr root = screen->root; | |
92 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
93 | ||
94 | if (!screen_priv) | |
95 | return FALSE; | |
96 | ||
97 | if (!screen_priv->info) | |
98 | return FALSE; | |
99 | ||
100 | if (!crtc) | |
101 | return FALSE; | |
102 | ||
103 | /* Check to see if the driver supports flips at all */ | |
104 | if (!screen_priv->info->flip) | |
105 | return FALSE; | |
106 | ||
107 | /* Can't pend a flip while unflipping */ | |
108 | if (screen_priv->unflip_event_id) { | |
109 | return FALSE; | |
110 | } | |
111 | ||
112 | /* Can't have two pending flips at the same time */ | |
113 | if (screen_priv->flip_pending) { | |
114 | return FALSE; | |
115 | } | |
116 | ||
117 | /* Make sure the window hasn't been redirected with Composite */ | |
118 | if (screen->GetWindowPixmap(window) != screen->GetScreenPixmap(screen) && | |
119 | screen->GetWindowPixmap(window) != screen_priv->flip_pixmap) | |
120 | return FALSE; | |
121 | ||
122 | /* Check for full-screen window */ | |
123 | if (!RegionEqual(&window->clipList, &root->winSize)) { | |
124 | return FALSE; | |
125 | } | |
126 | ||
127 | /* Source pixmap must align with window exactly */ | |
128 | if (x_off || y_off) { | |
129 | return FALSE; | |
130 | } | |
131 | ||
132 | /* Make sure the area marked as valid fills the screen */ | |
133 | if (valid && !RegionEqual(valid, &root->winSize)) { | |
134 | return FALSE; | |
135 | } | |
136 | ||
137 | /* Does the window match the pixmap exactly? */ | |
138 | if (window->drawable.x != 0 || window->drawable.y != 0 || | |
139 | #ifdef COMPOSITE | |
140 | window->drawable.x != pixmap->screen_x || window->drawable.y != pixmap->screen_y || | |
141 | #endif | |
142 | window->drawable.width != pixmap->drawable.width || | |
143 | window->drawable.height != pixmap->drawable.height) { | |
144 | return FALSE; | |
145 | } | |
146 | ||
147 | /* Ask the driver for permission */ | |
148 | if (screen_priv->info->check_flip) { | |
149 | if (!(*screen_priv->info->check_flip) (crtc, window, pixmap, sync_flip)) { | |
150 | return FALSE; | |
151 | } | |
152 | } | |
153 | ||
154 | return TRUE; | |
155 | } | |
156 | ||
157 | static Bool | |
158 | present_flip(RRCrtcPtr crtc, | |
159 | uint64_t event_id, | |
160 | uint64_t target_msc, | |
161 | PixmapPtr pixmap, | |
162 | Bool sync_flip) | |
163 | { | |
164 | ScreenPtr screen = crtc->pScreen; | |
165 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
166 | ||
167 | return (*screen_priv->info->flip) (crtc, event_id, target_msc, pixmap, sync_flip); | |
168 | } | |
169 | ||
170 | static void | |
171 | present_vblank_notify(present_vblank_ptr vblank, CARD8 kind, CARD8 mode, uint64_t ust, uint64_t crtc_msc) | |
172 | { | |
173 | int n; | |
174 | ||
175 | if (vblank->window) | |
176 | present_send_complete_notify(vblank->window, kind, mode, vblank->serial, ust, crtc_msc - vblank->msc_offset); | |
177 | for (n = 0; n < vblank->num_notifies; n++) { | |
178 | WindowPtr window = vblank->notifies[n].window; | |
179 | CARD32 serial = vblank->notifies[n].serial; | |
180 | ||
181 | if (window) | |
182 | present_send_complete_notify(window, kind, mode, serial, ust, crtc_msc - vblank->msc_offset); | |
183 | } | |
184 | } | |
185 | ||
186 | static void | |
187 | present_pixmap_idle(PixmapPtr pixmap, WindowPtr window, CARD32 serial, struct present_fence *present_fence) | |
188 | { | |
189 | if (present_fence) | |
190 | present_fence_set_triggered(present_fence); | |
191 | if (window) | |
192 | present_send_idle_notify(window, serial, pixmap, present_fence); | |
193 | } | |
194 | ||
195 | RRCrtcPtr | |
196 | present_get_crtc(WindowPtr window) | |
197 | { | |
198 | ScreenPtr screen = window->drawable.pScreen; | |
199 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
200 | ||
201 | if (!screen_priv) | |
202 | return NULL; | |
203 | ||
204 | if (!screen_priv->info) | |
205 | return NULL; | |
206 | ||
207 | return (*screen_priv->info->get_crtc)(window); | |
208 | } | |
209 | ||
210 | uint32_t | |
211 | present_query_capabilities(RRCrtcPtr crtc) | |
212 | { | |
213 | present_screen_priv_ptr screen_priv; | |
214 | ||
215 | if (!crtc) | |
216 | return 0; | |
217 | ||
218 | screen_priv = present_screen_priv(crtc->pScreen); | |
219 | ||
220 | if (!screen_priv) | |
221 | return 0; | |
222 | ||
223 | if (!screen_priv->info) | |
224 | return 0; | |
225 | ||
226 | return screen_priv->info->capabilities; | |
227 | } | |
228 | ||
229 | static int | |
230 | present_get_ust_msc(WindowPtr window, RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc) | |
231 | { | |
232 | ScreenPtr screen = window->drawable.pScreen; | |
233 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
234 | ||
235 | if (crtc == NULL) | |
236 | return present_fake_get_ust_msc(screen, ust, msc); | |
237 | else | |
238 | return (*screen_priv->info->get_ust_msc)(crtc, ust, msc); | |
239 | } | |
240 | ||
241 | static void | |
242 | present_flush(WindowPtr window) | |
243 | { | |
244 | ScreenPtr screen = window->drawable.pScreen; | |
245 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
246 | ||
247 | if (!screen_priv) | |
248 | return; | |
249 | ||
250 | if (!screen_priv->info) | |
251 | return; | |
252 | ||
253 | (*screen_priv->info->flush) (window); | |
254 | } | |
255 | ||
256 | static int | |
257 | present_queue_vblank(ScreenPtr screen, | |
258 | RRCrtcPtr crtc, | |
259 | uint64_t event_id, | |
260 | uint64_t msc) | |
261 | { | |
262 | Bool ret; | |
263 | ||
264 | if (crtc == NULL) | |
265 | ret = present_fake_queue_vblank(screen, event_id, msc); | |
266 | else | |
267 | { | |
268 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
269 | ret = (*screen_priv->info->queue_vblank) (crtc, event_id, msc); | |
270 | } | |
271 | return ret; | |
272 | } | |
273 | ||
274 | static uint64_t | |
275 | present_window_to_crtc_msc(WindowPtr window, RRCrtcPtr crtc, uint64_t window_msc, uint64_t new_msc) | |
276 | { | |
277 | present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE); | |
278 | ||
279 | if (crtc != window_priv->crtc) { | |
280 | uint64_t old_ust, old_msc; | |
281 | ||
282 | /* The old CRTC may have been turned off, in which case | |
283 | * we'll just use whatever previous MSC we'd seen from this CRTC | |
284 | */ | |
285 | ||
286 | if (present_get_ust_msc(window, window_priv->crtc, &old_ust, &old_msc) != Success) | |
287 | old_msc = window_priv->msc; | |
288 | ||
289 | window_priv->msc_offset += new_msc - old_msc; | |
290 | window_priv->crtc = crtc; | |
291 | } | |
292 | ||
293 | return window_msc + window_priv->msc_offset; | |
294 | } | |
295 | ||
296 | static void | |
297 | present_flip_idle(ScreenPtr screen) | |
298 | { | |
299 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
300 | ||
301 | if (screen_priv->flip_pixmap) { | |
302 | present_pixmap_idle(screen_priv->flip_pixmap, screen_priv->flip_window, | |
303 | screen_priv->flip_serial, screen_priv->flip_idle_fence); | |
304 | if (screen_priv->flip_idle_fence) | |
305 | present_fence_destroy(screen_priv->flip_idle_fence); | |
306 | dixDestroyPixmap(screen_priv->flip_pixmap, screen_priv->flip_pixmap->drawable.id); | |
307 | screen_priv->flip_crtc = NULL; | |
308 | screen_priv->flip_window = NULL; | |
309 | screen_priv->flip_serial = 0; | |
310 | screen_priv->flip_pixmap = NULL; | |
311 | screen_priv->flip_idle_fence = NULL; | |
312 | } | |
313 | } | |
314 | ||
315 | struct pixmap_visit { | |
316 | PixmapPtr old; | |
317 | PixmapPtr new; | |
318 | }; | |
319 | ||
320 | static int | |
321 | present_set_tree_pixmap_visit(WindowPtr window, pointer data) | |
322 | { | |
323 | struct pixmap_visit *visit = data; | |
324 | ScreenPtr screen = window->drawable.pScreen; | |
325 | ||
326 | if ((*screen->GetWindowPixmap)(window) != visit->old) | |
327 | return WT_DONTWALKCHILDREN; | |
328 | (*screen->SetWindowPixmap)(window, visit->new); | |
329 | return WT_WALKCHILDREN; | |
330 | } | |
331 | ||
332 | static void | |
333 | present_set_tree_pixmap(WindowPtr window, PixmapPtr pixmap) | |
334 | { | |
335 | struct pixmap_visit visit; | |
336 | ScreenPtr screen = window->drawable.pScreen; | |
337 | ||
338 | visit.old = (*screen->GetWindowPixmap)(window); | |
339 | visit.new = pixmap; | |
340 | if (visit.old == visit.new) | |
341 | return; | |
342 | TraverseTree(window, present_set_tree_pixmap_visit, &visit); | |
343 | } | |
344 | ||
345 | static void | |
346 | present_unflip(ScreenPtr screen) | |
347 | { | |
348 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
349 | ||
350 | assert (!screen_priv->unflip_event_id); | |
351 | assert (!screen_priv->flip_pending); | |
352 | ||
353 | if (screen_priv->flip_window) | |
354 | present_set_tree_pixmap(screen_priv->flip_window, | |
355 | (*screen->GetScreenPixmap)(screen)); | |
356 | ||
357 | present_set_tree_pixmap(screen->root, (*screen->GetScreenPixmap)(screen)); | |
358 | ||
359 | /* Update the screen pixmap with the current flip pixmap contents | |
360 | */ | |
361 | if (screen_priv->flip_pixmap && screen_priv->flip_window) { | |
362 | present_copy_region(&screen_priv->flip_window->drawable, | |
363 | screen_priv->flip_pixmap, | |
364 | NULL, 0, 0); | |
365 | } | |
366 | screen_priv->unflip_event_id = ++present_event_id; | |
367 | DebugPresent(("u %lld\n", screen_priv->unflip_event_id)); | |
368 | (*screen_priv->info->unflip) (screen, screen_priv->unflip_event_id); | |
369 | } | |
370 | ||
371 | static void | |
372 | present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc); | |
373 | ||
374 | static void | |
375 | present_flip_notify(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc) | |
376 | { | |
377 | ScreenPtr screen = vblank->screen; | |
378 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
379 | ||
380 | DebugPresent(("\tn %p %8lld: %08lx -> %08lx\n", vblank, vblank->target_msc, | |
381 | vblank->pixmap ? vblank->pixmap->drawable.id : 0, | |
382 | vblank->window->drawable.id)); | |
383 | ||
384 | assert (vblank == screen_priv->flip_pending); | |
385 | ||
386 | present_flip_idle(screen); | |
387 | ||
388 | xorg_list_del(&vblank->event_queue); | |
389 | ||
390 | /* Transfer reference for pixmap and fence from vblank to screen_priv */ | |
391 | screen_priv->flip_crtc = vblank->crtc; | |
392 | screen_priv->flip_window = vblank->window; | |
393 | screen_priv->flip_serial = vblank->serial; | |
394 | screen_priv->flip_pixmap = vblank->pixmap; | |
395 | screen_priv->flip_idle_fence = vblank->idle_fence; | |
396 | ||
397 | vblank->pixmap = NULL; | |
398 | vblank->idle_fence = NULL; | |
399 | ||
400 | screen_priv->flip_pending = NULL; | |
401 | ||
402 | if (vblank->abort_flip) | |
403 | present_unflip(screen); | |
404 | ||
405 | present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, ust, crtc_msc); | |
406 | present_vblank_destroy(vblank); | |
407 | } | |
408 | ||
409 | void | |
410 | present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc) | |
411 | { | |
412 | present_vblank_ptr vblank, tmp; | |
413 | int s; | |
414 | ||
415 | if (!event_id) | |
416 | return; | |
417 | DebugPresent(("\te %lld ust %lld msc %lld\n", event_id, ust, msc)); | |
418 | xorg_list_for_each_entry_safe(vblank, tmp, &present_exec_queue, event_queue) { | |
419 | if (vblank->event_id == event_id) { | |
420 | present_execute(vblank, ust, msc); | |
421 | return; | |
422 | } | |
423 | } | |
424 | xorg_list_for_each_entry_safe(vblank, tmp, &present_flip_queue, event_queue) { | |
425 | if (vblank->event_id == event_id) { | |
426 | present_flip_notify(vblank, ust, msc); | |
427 | return; | |
428 | } | |
429 | } | |
430 | ||
431 | for (s = 0; s < screenInfo.numScreens; s++) { | |
432 | ScreenPtr screen = screenInfo.screens[s]; | |
433 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
434 | ||
435 | if (event_id == screen_priv->unflip_event_id) { | |
436 | DebugPresent(("\tun %lld\n", event_id)); | |
437 | screen_priv->unflip_event_id = 0; | |
438 | present_flip_idle(screen); | |
439 | return; | |
440 | } | |
441 | } | |
442 | } | |
443 | ||
444 | /* | |
445 | * 'window' is being reconfigured. Check to see if it is involved | |
446 | * in flipping and clean up as necessary | |
447 | */ | |
448 | void | |
449 | present_check_flip_window (WindowPtr window) | |
450 | { | |
451 | ScreenPtr screen = window->drawable.pScreen; | |
452 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
453 | present_window_priv_ptr window_priv = present_window_priv(window); | |
454 | present_vblank_ptr flip_pending = screen_priv->flip_pending; | |
455 | present_vblank_ptr vblank; | |
456 | ||
457 | /* If this window hasn't ever been used with Present, it can't be | |
458 | * flipping | |
459 | */ | |
460 | if (!window_priv) | |
461 | return; | |
462 | ||
463 | if (screen_priv->unflip_event_id) | |
464 | return; | |
465 | ||
466 | if (flip_pending) { | |
467 | /* | |
468 | * Check pending flip | |
469 | */ | |
470 | if (flip_pending->window == window) { | |
471 | if (!present_check_flip(flip_pending->crtc, window, flip_pending->pixmap, | |
472 | flip_pending->sync_flip, NULL, 0, 0)) | |
473 | flip_pending->abort_flip = TRUE; | |
474 | } | |
475 | } else { | |
476 | /* | |
477 | * Check current flip | |
478 | */ | |
479 | if (window == screen_priv->flip_window) { | |
480 | if (!present_check_flip(screen_priv->flip_crtc, window, screen_priv->flip_pixmap, FALSE, NULL, 0, 0)) | |
481 | present_unflip(screen); | |
482 | } | |
483 | } | |
484 | ||
485 | /* Now check any queued vblanks */ | |
486 | xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) { | |
487 | if (vblank->queued && vblank->flip && !present_check_flip(vblank->crtc, window, vblank->pixmap, FALSE, NULL, 0, 0)) | |
488 | vblank->flip = FALSE; | |
489 | } | |
490 | } | |
491 | ||
492 | /* | |
493 | * Called when the wait fence is triggered; just gets the current msc/ust and | |
494 | * calls present_execute again. That will re-check the fence and pend the | |
495 | * request again if it's still not actually ready | |
496 | */ | |
497 | static void | |
498 | present_wait_fence_triggered(void *param) | |
499 | { | |
500 | present_vblank_ptr vblank = param; | |
501 | WindowPtr window = vblank->window; | |
502 | uint64_t ust = 0, crtc_msc = 0; | |
503 | ||
504 | if (window) { | |
505 | present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE); | |
506 | if (window_priv) | |
507 | (void) present_get_ust_msc(window, window_priv->crtc, &ust, &crtc_msc); | |
508 | } | |
509 | present_execute(vblank, ust, crtc_msc); | |
510 | } | |
511 | ||
512 | /* | |
513 | * Once the required MSC has been reached, execute the pending request. | |
514 | * | |
515 | * For requests to actually present something, either blt contents to | |
516 | * the screen or queue a frame buffer swap. | |
517 | * | |
518 | * For requests to just get the current MSC/UST combo, skip that part and | |
519 | * go straight to event delivery | |
520 | */ | |
521 | ||
522 | static void | |
523 | present_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc) | |
524 | { | |
525 | WindowPtr window = vblank->window; | |
526 | ScreenPtr screen = window->drawable.pScreen; | |
527 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
528 | uint8_t mode; | |
529 | ||
530 | if (vblank->wait_fence) { | |
531 | if (!present_fence_check_triggered(vblank->wait_fence)) { | |
532 | present_fence_set_callback(vblank->wait_fence, present_wait_fence_triggered, vblank); | |
533 | return; | |
534 | } | |
535 | } | |
536 | ||
537 | xorg_list_del(&vblank->event_queue); | |
538 | vblank->queued = FALSE; | |
539 | ||
540 | if (vblank->pixmap && vblank->window) { | |
541 | ||
542 | if (vblank->flip && screen_priv->flip_pending == NULL && !screen_priv->unflip_event_id) { | |
543 | ||
544 | DebugPresent(("\tf %p %8lld: %08lx -> %08lx\n", vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id)); | |
545 | /* Prepare to flip by placing it in the flip queue and | |
546 | * and sticking it into the flip_pending field | |
547 | */ | |
548 | screen_priv->flip_pending = vblank; | |
549 | ||
550 | xorg_list_add(&vblank->event_queue, &present_flip_queue); | |
551 | /* Try to flip | |
552 | */ | |
553 | if (present_flip(vblank->crtc, vblank->event_id, vblank->target_msc, vblank->pixmap, vblank->sync_flip)) { | |
554 | RegionPtr damage; | |
555 | ||
556 | /* Fix window pixmaps: | |
557 | * 1) Restore previous flip window pixmap | |
558 | * 2) Set current flip window pixmap to the new pixmap | |
559 | */ | |
560 | if (screen_priv->flip_window && screen_priv->flip_window != window) | |
561 | present_set_tree_pixmap(screen_priv->flip_window, | |
562 | (*screen->GetScreenPixmap)(screen)); | |
563 | present_set_tree_pixmap(vblank->window, vblank->pixmap); | |
564 | present_set_tree_pixmap(screen->root, vblank->pixmap); | |
565 | ||
566 | /* Report update region as damaged | |
567 | */ | |
568 | if (vblank->update) { | |
569 | damage = vblank->update; | |
570 | RegionIntersect(damage, damage, &window->clipList); | |
571 | } else | |
572 | damage = &window->clipList; | |
573 | ||
574 | DamageDamageRegion(&vblank->window->drawable, damage); | |
575 | return; | |
576 | } | |
577 | ||
578 | xorg_list_del(&vblank->event_queue); | |
579 | /* Oops, flip failed. Clear the flip_pending field | |
580 | */ | |
581 | screen_priv->flip_pending = NULL; | |
582 | vblank->flip = FALSE; | |
583 | } | |
584 | DebugPresent(("\tc %p %8lld: %08lx -> %08lx\n", vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id)); | |
585 | if (screen_priv->flip_pending) { | |
586 | ||
587 | /* Check pending flip | |
588 | */ | |
589 | if (window == screen_priv->flip_pending->window) | |
590 | screen_priv->flip_pending->abort_flip = TRUE; | |
591 | } else if (!screen_priv->unflip_event_id) { | |
592 | ||
593 | /* Check current flip | |
594 | */ | |
595 | if (window == screen_priv->flip_window) | |
596 | present_unflip(screen); | |
597 | } | |
598 | present_copy_region(&window->drawable, vblank->pixmap, vblank->update, vblank->x_off, vblank->y_off); | |
599 | ||
600 | /* present_copy_region sticks the region into a scratch GC, | |
601 | * which is then freed, freeing the region | |
602 | */ | |
603 | vblank->update = NULL; | |
604 | present_flush(window); | |
605 | ||
606 | present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); | |
607 | } | |
608 | ||
609 | /* Compute correct CompleteMode | |
610 | */ | |
611 | if (vblank->kind == PresentCompleteKindPixmap) { | |
612 | if (vblank->pixmap && vblank->window) | |
613 | mode = PresentCompleteModeCopy; | |
614 | else | |
615 | mode = PresentCompleteModeSkip; | |
616 | } | |
617 | else | |
618 | mode = PresentCompleteModeCopy; | |
619 | ||
620 | ||
621 | present_vblank_notify(vblank, vblank->kind, mode, ust, crtc_msc); | |
622 | present_vblank_destroy(vblank); | |
623 | } | |
624 | ||
625 | int | |
626 | present_pixmap(WindowPtr window, | |
627 | PixmapPtr pixmap, | |
628 | CARD32 serial, | |
629 | RegionPtr valid, | |
630 | RegionPtr update, | |
631 | int16_t x_off, | |
632 | int16_t y_off, | |
633 | RRCrtcPtr target_crtc, | |
634 | SyncFence *wait_fence, | |
635 | SyncFence *idle_fence, | |
636 | uint32_t options, | |
637 | uint64_t window_msc, | |
638 | uint64_t divisor, | |
639 | uint64_t remainder, | |
640 | present_notify_ptr notifies, | |
641 | int num_notifies) | |
642 | { | |
643 | uint64_t ust; | |
644 | uint64_t target_msc; | |
645 | uint64_t crtc_msc; | |
646 | int ret; | |
647 | present_vblank_ptr vblank; | |
648 | ScreenPtr screen = window->drawable.pScreen; | |
649 | present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE); | |
650 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
651 | ||
652 | if (!window_priv) | |
653 | return BadAlloc; | |
654 | ||
655 | if (!screen_priv || !screen_priv->info) | |
656 | target_crtc = NULL; | |
657 | else if (!target_crtc) { | |
658 | /* Update the CRTC if we have a pixmap or we don't have a CRTC | |
659 | */ | |
660 | if (!pixmap) | |
661 | target_crtc = window_priv->crtc; | |
662 | ||
663 | if (!target_crtc) | |
664 | target_crtc = present_get_crtc(window); | |
665 | } | |
666 | ||
667 | present_get_ust_msc(window, target_crtc, &ust, &crtc_msc); | |
668 | ||
669 | target_msc = present_window_to_crtc_msc(window, target_crtc, window_msc, crtc_msc); | |
670 | ||
671 | /* Stash the current MSC away in case we need it later | |
672 | */ | |
673 | window_priv->msc = crtc_msc; | |
674 | ||
675 | /* Adjust target_msc to match modulus | |
676 | */ | |
677 | if (crtc_msc >= target_msc) { | |
678 | if (divisor != 0) { | |
679 | target_msc = crtc_msc - (crtc_msc % divisor) + remainder; | |
680 | if (options & PresentOptionAsync) { | |
681 | if (target_msc < crtc_msc) | |
682 | target_msc += divisor; | |
683 | } else { | |
684 | if (target_msc <= crtc_msc) | |
685 | target_msc += divisor; | |
686 | } | |
687 | } else { | |
688 | target_msc = crtc_msc; | |
689 | if (!(options & PresentOptionAsync)) | |
690 | target_msc++; | |
691 | } | |
692 | } | |
693 | ||
694 | /* | |
695 | * Look for a matching presentation already on the list and | |
696 | * don't bother doing the previous one if this one will overwrite it | |
697 | * in the same frame | |
698 | */ | |
699 | ||
700 | if (!update) { | |
701 | xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) { | |
702 | ||
703 | if (!vblank->pixmap) | |
704 | continue; | |
705 | ||
706 | if (!vblank->queued) | |
707 | continue; | |
708 | ||
709 | if (vblank->crtc != target_crtc || vblank->target_msc != target_msc) | |
710 | continue; | |
711 | ||
712 | DebugPresent(("\tx %lld %p %8lld: %08lx -> %08lx (crtc %p)\n", | |
713 | vblank->event_id, vblank, target_msc, | |
714 | vblank->pixmap->drawable.id, vblank->window->drawable.id, | |
715 | vblank->crtc)); | |
716 | ||
717 | present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence); | |
718 | present_fence_destroy(vblank->idle_fence); | |
719 | dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id); | |
720 | ||
721 | vblank->pixmap = NULL; | |
722 | vblank->idle_fence = NULL; | |
723 | } | |
724 | } | |
725 | ||
726 | vblank = calloc (1, sizeof (present_vblank_rec)); | |
727 | if (!vblank) | |
728 | return BadAlloc; | |
729 | ||
730 | xorg_list_append(&vblank->window_list, &window_priv->vblank); | |
731 | xorg_list_init(&vblank->event_queue); | |
732 | ||
733 | vblank->screen = screen; | |
734 | vblank->window = window; | |
735 | vblank->pixmap = pixmap; | |
736 | vblank->event_id = ++present_event_id; | |
737 | if (pixmap) { | |
738 | vblank->kind = PresentCompleteKindPixmap; | |
739 | pixmap->refcnt++; | |
740 | } else | |
741 | vblank->kind = PresentCompleteKindNotifyMSC; | |
742 | ||
743 | vblank->serial = serial; | |
744 | ||
745 | if (valid) { | |
746 | vblank->valid = RegionDuplicate(valid); | |
747 | if (!vblank->valid) | |
748 | goto no_mem; | |
749 | } | |
750 | if (update) { | |
751 | vblank->update = RegionDuplicate(update); | |
752 | if (!vblank->update) | |
753 | goto no_mem; | |
754 | } | |
755 | ||
756 | vblank->x_off = x_off; | |
757 | vblank->y_off = y_off; | |
758 | vblank->target_msc = target_msc; | |
759 | vblank->crtc = target_crtc; | |
760 | vblank->msc_offset = window_priv->msc_offset; | |
761 | vblank->notifies = notifies; | |
762 | vblank->num_notifies = num_notifies; | |
763 | ||
764 | if (!screen_priv->info || !(screen_priv->info->capabilities & PresentCapabilityAsync)) | |
765 | vblank->sync_flip = TRUE; | |
766 | ||
767 | if (pixmap && present_check_flip (target_crtc, window, pixmap, vblank->sync_flip, valid, x_off, y_off)) { | |
768 | vblank->flip = TRUE; | |
769 | if (vblank->sync_flip) | |
770 | target_msc--; | |
771 | } | |
772 | ||
773 | if (wait_fence) { | |
774 | vblank->wait_fence = present_fence_create(wait_fence); | |
775 | if (!vblank->wait_fence) | |
776 | goto no_mem; | |
777 | } | |
778 | ||
779 | if (idle_fence) { | |
780 | vblank->idle_fence = present_fence_create(idle_fence); | |
781 | if (!vblank->idle_fence) | |
782 | goto no_mem; | |
783 | } | |
784 | ||
785 | if (pixmap) | |
786 | DebugPresent(("q %lld %p %8lld: %08lx -> %08lx (crtc %p)\n", | |
787 | vblank->event_id, vblank, target_msc, | |
788 | vblank->pixmap->drawable.id, vblank->window->drawable.id, | |
789 | target_crtc)); | |
790 | ||
791 | xorg_list_add(&vblank->event_queue, &present_exec_queue); | |
792 | vblank->queued = TRUE; | |
793 | if (target_msc >= crtc_msc) { | |
794 | ret = present_queue_vblank(screen, target_crtc, vblank->event_id, target_msc); | |
795 | if (ret != Success) { | |
796 | xorg_list_del(&vblank->event_queue); | |
797 | vblank->queued = FALSE; | |
798 | goto failure; | |
799 | } | |
800 | } else | |
801 | present_execute(vblank, ust, crtc_msc); | |
802 | ||
803 | return Success; | |
804 | ||
805 | no_mem: | |
806 | ret = BadAlloc; | |
807 | failure: | |
808 | vblank->notifies = NULL; | |
809 | present_vblank_destroy(vblank); | |
810 | return ret; | |
811 | } | |
812 | ||
813 | void | |
814 | present_abort_vblank(ScreenPtr screen, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc) | |
815 | { | |
816 | present_vblank_ptr vblank, tmp; | |
817 | ||
818 | if (crtc == NULL) | |
819 | present_fake_abort_vblank(screen, event_id, msc); | |
820 | else | |
821 | { | |
822 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
823 | ||
824 | (*screen_priv->info->abort_vblank) (crtc, event_id, msc); | |
825 | } | |
826 | ||
827 | xorg_list_for_each_entry_safe(vblank, tmp, &present_exec_queue, event_queue) { | |
828 | if (vblank->event_id == event_id) { | |
829 | xorg_list_del(&vblank->event_queue); | |
830 | vblank->queued = FALSE; | |
831 | return; | |
832 | } | |
833 | } | |
834 | xorg_list_for_each_entry_safe(vblank, tmp, &present_flip_queue, event_queue) { | |
835 | if (vblank->event_id == event_id) { | |
836 | xorg_list_del(&vblank->event_queue); | |
837 | return; | |
838 | } | |
839 | } | |
840 | } | |
841 | ||
842 | int | |
843 | present_notify_msc(WindowPtr window, | |
844 | CARD32 serial, | |
845 | uint64_t target_msc, | |
846 | uint64_t divisor, | |
847 | uint64_t remainder) | |
848 | { | |
849 | return present_pixmap(window, | |
850 | NULL, | |
851 | serial, | |
852 | NULL, NULL, | |
853 | 0, 0, | |
854 | NULL, | |
855 | NULL, NULL, | |
856 | 0, | |
857 | target_msc, divisor, remainder, NULL, 0); | |
858 | } | |
859 | ||
860 | void | |
861 | present_flip_destroy(ScreenPtr screen) | |
862 | { | |
863 | present_screen_priv_ptr screen_priv = present_screen_priv(screen); | |
864 | ||
865 | /* XXX this needs to be synchronous for server reset */ | |
866 | ||
867 | /* Do the actual cleanup once the flip has been performed by the hardware */ | |
868 | if (screen_priv->flip_pending) | |
869 | screen_priv->flip_pending->abort_flip = TRUE; | |
870 | } | |
871 | ||
872 | void | |
873 | present_vblank_destroy(present_vblank_ptr vblank) | |
874 | { | |
875 | /* Remove vblank from window and screen lists */ | |
876 | xorg_list_del(&vblank->window_list); | |
877 | ||
878 | DebugPresent(("\td %p %8lld: %08lx -> %08lx\n", vblank, vblank->target_msc, | |
879 | vblank->pixmap ? vblank->pixmap->drawable.id : 0, | |
880 | vblank->window->drawable.id)); | |
881 | ||
882 | /* Drop pixmap reference */ | |
883 | if (vblank->pixmap) | |
884 | dixDestroyPixmap(vblank->pixmap, vblank->pixmap->drawable.id); | |
885 | ||
886 | /* Free regions */ | |
887 | if (vblank->valid) | |
888 | RegionDestroy(vblank->valid); | |
889 | if (vblank->update) | |
890 | RegionDestroy(vblank->update); | |
891 | ||
892 | if (vblank->wait_fence) | |
893 | present_fence_destroy(vblank->wait_fence); | |
894 | ||
895 | if (vblank->idle_fence) | |
896 | present_fence_destroy(vblank->idle_fence); | |
897 | ||
898 | if (vblank->notifies) | |
899 | present_destroy_notifies(vblank->notifies, vblank->num_notifies); | |
900 | ||
901 | free(vblank); | |
902 | } | |
903 | ||
904 | Bool | |
905 | present_init(void) | |
906 | { | |
907 | xorg_list_init(&present_exec_queue); | |
908 | xorg_list_init(&present_flip_queue); | |
909 | present_fake_queue_init(); | |
910 | return TRUE; | |
911 | } |