1 /*
2 * Copyright © 2018 Roman Gilg
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
29 /*
30 * Window flip mode
31 *
32 * Provides per-window flips. Flips can be processed on windows that
33 * have the same size as their parents, which they share their pixmap with.
34 *
35 * A flip still requires a copy currently, since the original pixmap needs
36 * to be updated with the new pixmap content. Just a flip of all windows
37 * to the new pixmap is diffcult, because the original pixmap might not be
38 * controlled by the Xserver.
39 *
40 */
41
42 static void
43 present_wnmd_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc);
44
45 static int
present_wnmd_queue_vblank(ScreenPtr screen,WindowPtr window,RRCrtcPtr crtc,uint64_t event_id,uint64_t msc)46 present_wnmd_queue_vblank(ScreenPtr screen,
47 WindowPtr window,
48 RRCrtcPtr crtc,
49 uint64_t event_id,
50 uint64_t msc)
51 {
52 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
53 return (*screen_priv->wnmd_info->queue_vblank) (window, crtc, event_id, msc);
54 }
55
56 static void
present_wnmd_create_event_id(present_window_priv_ptr window_priv,present_vblank_ptr vblank)57 present_wnmd_create_event_id(present_window_priv_ptr window_priv, present_vblank_ptr vblank)
58 {
59 vblank->event_id = ++window_priv->event_id;
60 }
61
62 static uint32_t
present_wnmd_query_capabilities(present_screen_priv_ptr screen_priv)63 present_wnmd_query_capabilities(present_screen_priv_ptr screen_priv)
64 {
65 return screen_priv->wnmd_info->capabilities;
66 }
67
68 static RRCrtcPtr
present_wnmd_get_crtc(present_screen_priv_ptr screen_priv,WindowPtr window)69 present_wnmd_get_crtc(present_screen_priv_ptr screen_priv, WindowPtr window)
70 {
71 return (*screen_priv->wnmd_info->get_crtc)(window);
72 }
73
74 static int
present_wnmd_get_ust_msc(ScreenPtr screen,WindowPtr window,uint64_t * ust,uint64_t * msc)75 present_wnmd_get_ust_msc(ScreenPtr screen, WindowPtr window, uint64_t *ust, uint64_t *msc)
76 {
77 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
78 return (*screen_priv->wnmd_info->get_ust_msc)(window, ust, msc);
79 }
80
81 /*
82 * When the wait fence or previous flip is completed, it's time
83 * to re-try the request
84 */
85 static void
present_wnmd_re_execute(present_vblank_ptr vblank)86 present_wnmd_re_execute(present_vblank_ptr vblank)
87 {
88 uint64_t ust = 0, crtc_msc = 0;
89
90 (void) present_wnmd_get_ust_msc(vblank->screen, vblank->window, &ust, &crtc_msc);
91 present_wnmd_execute(vblank, ust, crtc_msc);
92 }
93
94 static void
present_wnmd_flip_try_ready(WindowPtr window)95 present_wnmd_flip_try_ready(WindowPtr window)
96 {
97 present_window_priv_ptr window_priv = present_window_priv(window);
98 present_vblank_ptr vblank;
99
100 xorg_list_for_each_entry(vblank, &window_priv->flip_queue, event_queue) {
101 if (vblank->queued) {
102 present_wnmd_re_execute(vblank);
103 return;
104 }
105 }
106 }
107
108 static void
present_wnmd_free_idle_vblank(present_vblank_ptr vblank)109 present_wnmd_free_idle_vblank(present_vblank_ptr vblank)
110 {
111 present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
112 present_vblank_destroy(vblank);
113 }
114
115 /*
116 * Free any left over idle vblanks
117 */
118 static void
present_wnmd_free_idle_vblanks(WindowPtr window)119 present_wnmd_free_idle_vblanks(WindowPtr window)
120 {
121 present_window_priv_ptr window_priv = present_window_priv(window);
122 present_vblank_ptr vblank, tmp;
123
124 xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->idle_queue, event_queue) {
125 if (vblank->flip)
126 present_wnmd_free_idle_vblank(vblank);
127 }
128
129 if (window_priv->flip_active) {
130 present_wnmd_free_idle_vblank(window_priv->flip_active);
131 window_priv->flip_active = NULL;
132 }
133 }
134
135 static WindowPtr
present_wnmd_toplvl_pixmap_window(WindowPtr window)136 present_wnmd_toplvl_pixmap_window(WindowPtr window)
137 {
138 ScreenPtr screen = window->drawable.pScreen;
139 PixmapPtr pixmap = (*screen->GetWindowPixmap)(window);
140 WindowPtr w = window;
141 WindowPtr next_w;
142
143 while(w->parent) {
144 next_w = w->parent;
145 if ( (*screen->GetWindowPixmap)(next_w) != pixmap) {
146 break;
147 }
148 w = next_w;
149 }
150 return w;
151 }
152
153 void
present_wnmd_set_abort_flip(WindowPtr window)154 present_wnmd_set_abort_flip(WindowPtr window)
155 {
156 present_window_priv_ptr window_priv = present_window_priv(window);
157
158 if (!window_priv->flip_pending->abort_flip) {
159 window_priv->flip_pending->abort_flip = TRUE;
160 }
161 }
162
163 static void
present_wnmd_flips_stop(WindowPtr window)164 present_wnmd_flips_stop(WindowPtr window)
165 {
166 present_window_priv_ptr window_priv = present_window_priv(window);
167 present_screen_priv_ptr screen_priv = present_screen_priv(window->drawable.pScreen);
168
169 assert (!window_priv->flip_pending);
170
171 (*screen_priv->wnmd_info->flips_stop) (window);
172
173 present_wnmd_free_idle_vblanks(window_priv->window);
174 present_wnmd_flip_try_ready(window_priv->window);
175 }
176
177 static void
present_wnmd_flip_notify(present_vblank_ptr vblank,uint64_t ust,uint64_t crtc_msc)178 present_wnmd_flip_notify(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
179 {
180 WindowPtr window = vblank->window;
181 present_window_priv_ptr window_priv = present_window_priv(window);
182
183 DebugPresent(("\tn %" PRIu64 " %p %" PRIu64 " %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n",
184 vblank->event_id, vblank, vblank->exec_msc, vblank->target_msc,
185 vblank->pixmap ? vblank->pixmap->drawable.id : 0,
186 vblank->window ? vblank->window->drawable.id : 0));
187
188 assert (vblank == window_priv->flip_pending);
189
190 xorg_list_del(&vblank->event_queue);
191
192 if (window_priv->flip_active) {
193 if (window_priv->flip_active->flip_idler)
194 present_wnmd_free_idle_vblank(window_priv->flip_active);
195 else
196 /* Put the previous flip in the idle_queue and wait for further notice from DDX */
197 xorg_list_append(&window_priv->flip_active->event_queue, &window_priv->idle_queue);
198 }
199
200 window_priv->flip_active = vblank;
201 window_priv->flip_pending = NULL;
202
203 present_vblank_notify(vblank, PresentCompleteKindPixmap, PresentCompleteModeFlip, ust, crtc_msc);
204
205 if (vblank->abort_flip)
206 present_wnmd_flips_stop(window);
207
208 present_wnmd_flip_try_ready(window);
209 }
210
211 void
present_wnmd_event_notify(WindowPtr window,uint64_t event_id,uint64_t ust,uint64_t msc)212 present_wnmd_event_notify(WindowPtr window, uint64_t event_id, uint64_t ust, uint64_t msc)
213 {
214 present_window_priv_ptr window_priv = present_window_priv(window);
215 present_vblank_ptr vblank;
216
217 if (!window_priv)
218 return;
219 if (!event_id)
220 return;
221
222 if (window_priv->flip_active && window_priv->flip_active->event_id == event_id) {
223 /* Notify for active flip, means it is allowed to become idle */
224 window_priv->flip_active->flip_idler = TRUE;
225 return;
226 }
227
228 DebugPresent(("\te %" PRIu64 " ust %" PRIu64 " msc %" PRIu64 "\n", event_id, ust, msc));
229 xorg_list_for_each_entry(vblank, &window_priv->exec_queue, event_queue) {
230 if (event_id == vblank->event_id) {
231 present_wnmd_execute(vblank, ust, msc);
232 return;
233 }
234 }
235 xorg_list_for_each_entry(vblank, &window_priv->flip_queue, event_queue) {
236 if (vblank->event_id == event_id) {
237 if (vblank->queued) {
238 present_wnmd_execute(vblank, ust, msc);
239 } else {
240 assert(vblank->window);
241 present_wnmd_flip_notify(vblank, ust, msc);
242 }
243 return;
244 }
245 }
246
247 xorg_list_for_each_entry(vblank, &window_priv->idle_queue, event_queue) {
248 if (vblank->event_id == event_id) {
249 if (vblank->flip)
250 present_wnmd_free_idle_vblank(vblank);
251 else
252 /* Copies which were executed but need their completion event sent */
253 present_execute_post(vblank, ust, msc);
254
255 return;
256 }
257 }
258 }
259
260 static Bool
present_wnmd_check_flip(RRCrtcPtr crtc,WindowPtr window,PixmapPtr pixmap,Bool sync_flip,RegionPtr valid,int16_t x_off,int16_t y_off,PresentFlipReason * reason)261 present_wnmd_check_flip(RRCrtcPtr crtc,
262 WindowPtr window,
263 PixmapPtr pixmap,
264 Bool sync_flip,
265 RegionPtr valid,
266 int16_t x_off,
267 int16_t y_off,
268 PresentFlipReason *reason)
269 {
270 ScreenPtr screen = window->drawable.pScreen;
271 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
272 WindowPtr toplvl_window = present_wnmd_toplvl_pixmap_window(window);
273
274 if (reason)
275 *reason = PRESENT_FLIP_REASON_UNKNOWN;
276
277 if (!screen_priv)
278 return FALSE;
279
280 if (!screen_priv->wnmd_info)
281 return FALSE;
282
283 if (!crtc)
284 return FALSE;
285
286 /* Check to see if the driver supports flips at all */
287 if (!screen_priv->wnmd_info->flip)
288 return FALSE;
289
290 /* Source pixmap must align with window exactly */
291 if (x_off || y_off)
292 return FALSE;
293
294 /* Valid area must contain window (for simplicity for now just never flip when one is set). */
295 if (valid)
296 return FALSE;
297
298 /* Flip pixmap must have same dimensions as window */
299 if (window->drawable.width != pixmap->drawable.width ||
300 window->drawable.height != pixmap->drawable.height)
301 return FALSE;
302
303 /* Window must be same region as toplevel window */
304 if ( !RegionEqual(&window->winSize, &toplvl_window->winSize) )
305 return FALSE;
306
307 /* Can't flip if window clipped by children */
308 if (!RegionEqual(&window->clipList, &window->winSize))
309 return FALSE;
310
311 /* Ask the driver for permission */
312 if (screen_priv->wnmd_info->check_flip2) {
313 if (!(*screen_priv->wnmd_info->check_flip2) (crtc, window, pixmap, sync_flip, reason)) {
314 DebugPresent(("\td %08" PRIx32 " -> %08" PRIx32 "\n",
315 window->drawable.id, pixmap ? pixmap->drawable.id : 0));
316 return FALSE;
317 }
318 }
319
320 return TRUE;
321 }
322
323 /*
324 * 'window' is being reconfigured. Check to see if it is involved
325 * in flipping and clean up as necessary.
326 */
327 static void
present_wnmd_check_flip_window(WindowPtr window)328 present_wnmd_check_flip_window (WindowPtr window)
329 {
330 present_window_priv_ptr window_priv = present_window_priv(window);
331 present_vblank_ptr flip_pending;
332 present_vblank_ptr flip_active;
333 present_vblank_ptr vblank;
334 PresentFlipReason reason;
335
336 /* If this window hasn't ever been used with Present, it can't be
337 * flipping
338 */
339 if (!window_priv)
340 return;
341
342 flip_pending = window_priv->flip_pending;
343 flip_active = window_priv->flip_active;
344
345 if (flip_pending) {
346 if (!present_wnmd_check_flip(flip_pending->crtc, flip_pending->window, flip_pending->pixmap,
347 flip_pending->sync_flip, flip_pending->valid, 0, 0, NULL))
348 present_wnmd_set_abort_flip(window);
349 } else if (flip_active) {
350 if (!present_wnmd_check_flip(flip_active->crtc, flip_active->window, flip_active->pixmap,
351 flip_active->sync_flip, flip_active->valid, 0, 0, NULL))
352 present_wnmd_flips_stop(window);
353 }
354
355 /* Now check any queued vblanks */
356 xorg_list_for_each_entry(vblank, &window_priv->vblank, window_list) {
357 if (vblank->queued && vblank->flip &&
358 !present_wnmd_check_flip(vblank->crtc, window, vblank->pixmap,
359 vblank->sync_flip, vblank->valid, 0, 0, &reason)) {
360 vblank->flip = FALSE;
361 vblank->reason = reason;
362 }
363 }
364 }
365
366 static Bool
present_wnmd_flip(WindowPtr window,RRCrtcPtr crtc,uint64_t event_id,uint64_t target_msc,PixmapPtr pixmap,Bool sync_flip,RegionPtr damage)367 present_wnmd_flip(WindowPtr window,
368 RRCrtcPtr crtc,
369 uint64_t event_id,
370 uint64_t target_msc,
371 PixmapPtr pixmap,
372 Bool sync_flip,
373 RegionPtr damage)
374 {
375 ScreenPtr screen = window->drawable.pScreen;
376 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
377
378 return (*screen_priv->wnmd_info->flip) (window,
379 crtc,
380 event_id,
381 target_msc,
382 pixmap,
383 sync_flip,
384 damage);
385 }
386
387 static void
present_wnmd_cancel_flip(WindowPtr window)388 present_wnmd_cancel_flip(WindowPtr window)
389 {
390 present_window_priv_ptr window_priv = present_window_priv(window);
391
392 if (window_priv->flip_pending)
393 present_wnmd_set_abort_flip(window);
394 else if (window_priv->flip_active)
395 present_wnmd_flips_stop(window);
396 }
397
398 static Bool
present_wnmd_can_window_flip(WindowPtr window)399 present_wnmd_can_window_flip(WindowPtr window)
400 {
401 ScreenPtr screen = window->drawable.pScreen;
402 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
403 WindowPtr toplvl_window = present_wnmd_toplvl_pixmap_window(window);
404
405 if (!screen_priv)
406 return FALSE;
407
408 if (!screen_priv->wnmd_info)
409 return FALSE;
410
411 /* Check to see if the driver supports flips at all */
412 if (!screen_priv->wnmd_info->flip)
413 return FALSE;
414
415 /* Don't flip redirected windows */
416 if (window->redirectDraw != RedirectDrawNone)
417 return FALSE;
418
419 /* Window must be same region as toplevel window */
420 if ( !RegionEqual(&window->winSize, &toplvl_window->winSize) )
421 return FALSE;
422
423 return TRUE;
424 }
425
426 /*
427 * Once the required MSC has been reached, execute the pending request.
428 *
429 * For requests to actually present something, either blt contents to
430 * the window pixmap or queue a window buffer swap on the backend.
431 *
432 * For requests to just get the current MSC/UST combo, skip that part and
433 * go straight to event delivery.
434 */
435 static void
present_wnmd_execute(present_vblank_ptr vblank,uint64_t ust,uint64_t crtc_msc)436 present_wnmd_execute(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
437 {
438 WindowPtr window = vblank->window;
439 present_window_priv_ptr window_priv = present_window_priv(window);
440
441 if (present_execute_wait(vblank, crtc_msc))
442 return;
443
444 if (vblank->flip && vblank->pixmap && vblank->window) {
445 if (window_priv->flip_pending) {
446 DebugPresent(("\tr %" PRIu64 " %p (pending %p)\n",
447 vblank->event_id, vblank,
448 window_priv->flip_pending));
449 xorg_list_del(&vblank->event_queue);
450 xorg_list_append(&vblank->event_queue, &window_priv->flip_queue);
451 vblank->flip_ready = TRUE;
452 return;
453 }
454 }
455
456 xorg_list_del(&vblank->event_queue);
457 xorg_list_del(&vblank->window_list);
458 vblank->queued = FALSE;
459
460 if (vblank->pixmap && vblank->window) {
461 ScreenPtr screen = window->drawable.pScreen;
462
463 if (vblank->flip) {
464 RegionPtr damage;
465
466 DebugPresent(("\tf %" PRIu64 " %p %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n",
467 vblank->event_id, vblank, crtc_msc,
468 vblank->pixmap->drawable.id, vblank->window->drawable.id));
469
470 /* Prepare to flip by placing it in the flip queue
471 */
472 xorg_list_add(&vblank->event_queue, &window_priv->flip_queue);
473
474 /* Set update region as damaged */
475 if (vblank->update) {
476 damage = RegionDuplicate(vblank->update);
477 /* Translate update region to screen space */
478 assert(vblank->x_off == 0 && vblank->y_off == 0);
479 RegionTranslate(damage, window->drawable.x, window->drawable.y);
480 RegionIntersect(damage, damage, &window->clipList);
481 } else
482 damage = RegionDuplicate(&window->clipList);
483
484 /* Try to flip - the vblank is now pending
485 */
486 window_priv->flip_pending = vblank;
487 // ask the driver
488 if (present_wnmd_flip(vblank->window, vblank->crtc, vblank->event_id,
489 vblank->target_msc, vblank->pixmap, vblank->sync_flip, damage)) {
490 WindowPtr toplvl_window = present_wnmd_toplvl_pixmap_window(vblank->window);
491 PixmapPtr old_pixmap = screen->GetWindowPixmap(window);
492
493 /* Replace window pixmap with flip pixmap */
494 #ifdef COMPOSITE
495 vblank->pixmap->screen_x = old_pixmap->screen_x;
496 vblank->pixmap->screen_y = old_pixmap->screen_y;
497 #endif
498 present_set_tree_pixmap(toplvl_window, old_pixmap, vblank->pixmap);
499 vblank->pixmap->refcnt++;
500 dixDestroyPixmap(old_pixmap, old_pixmap->drawable.id);
501
502 /* Report damage */
503 DamageDamageRegion(&vblank->window->drawable, damage);
504 RegionDestroy(damage);
505 return;
506 }
507
508 xorg_list_del(&vblank->event_queue);
509 /* Flip failed. Clear the flip_pending field
510 */
511 window_priv->flip_pending = NULL;
512 vblank->flip = FALSE;
513 }
514 DebugPresent(("\tc %p %" PRIu64 ": %08" PRIx32 " -> %08" PRIx32 "\n",
515 vblank, crtc_msc, vblank->pixmap->drawable.id, vblank->window->drawable.id));
516
517 present_wnmd_cancel_flip(window);
518
519 present_execute_copy(vblank, crtc_msc);
520 assert(!vblank->queued);
521
522 if (present_wnmd_queue_vblank(screen, window, vblank->crtc,
523 vblank->event_id, crtc_msc + 1)
524 == Success) {
525 xorg_list_add(&vblank->event_queue, &window_priv->idle_queue);
526 xorg_list_append(&vblank->window_list, &window_priv->vblank);
527
528 return;
529 }
530 }
531
532 present_execute_post(vblank, ust, crtc_msc);
533 }
534
535 static uint64_t
present_wnmd_window_to_crtc_msc(WindowPtr window,RRCrtcPtr crtc,uint64_t window_msc,uint64_t new_msc)536 present_wnmd_window_to_crtc_msc(WindowPtr window, RRCrtcPtr crtc, uint64_t window_msc, uint64_t new_msc)
537 {
538 present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE);
539
540 if (crtc != window_priv->crtc) {
541 if (window_priv->crtc == PresentCrtcNeverSet) {
542 window_priv->msc_offset = 0;
543 } else {
544 /* The old CRTC may have been turned off, in which case
545 * we'll just use whatever previous MSC we'd seen from this CRTC
546 */
547
548 window_priv->msc_offset += new_msc - window_priv->msc;
549 }
550 window_priv->crtc = crtc;
551 }
552
553 return window_msc + window_priv->msc_offset;
554 }
555
556 static int
present_wnmd_pixmap(WindowPtr window,PixmapPtr pixmap,CARD32 serial,RegionPtr valid,RegionPtr update,int16_t x_off,int16_t y_off,RRCrtcPtr target_crtc,SyncFence * wait_fence,SyncFence * idle_fence,uint32_t options,uint64_t window_msc,uint64_t divisor,uint64_t remainder,present_notify_ptr notifies,int num_notifies)557 present_wnmd_pixmap(WindowPtr window,
558 PixmapPtr pixmap,
559 CARD32 serial,
560 RegionPtr valid,
561 RegionPtr update,
562 int16_t x_off,
563 int16_t y_off,
564 RRCrtcPtr target_crtc,
565 SyncFence *wait_fence,
566 SyncFence *idle_fence,
567 uint32_t options,
568 uint64_t window_msc,
569 uint64_t divisor,
570 uint64_t remainder,
571 present_notify_ptr notifies,
572 int num_notifies)
573 {
574 uint64_t ust = 0;
575 uint64_t target_msc;
576 uint64_t crtc_msc = 0;
577 int ret;
578 present_vblank_ptr vblank, tmp;
579 ScreenPtr screen = window->drawable.pScreen;
580 present_window_priv_ptr window_priv = present_get_window_priv(window, TRUE);
581 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
582
583 if (!window_priv)
584 return BadAlloc;
585
586 target_crtc = present_wnmd_get_crtc(screen_priv, window);
587
588 ret = present_wnmd_get_ust_msc(screen, window, &ust, &crtc_msc);
589
590 target_msc = present_wnmd_window_to_crtc_msc(window, target_crtc, window_msc, crtc_msc);
591
592 if (ret == Success) {
593 /* Stash the current MSC away in case we need it later
594 */
595 window_priv->msc = crtc_msc;
596 }
597
598 present_adjust_timings(options,
599 &crtc_msc,
600 &target_msc,
601 divisor,
602 remainder);
603
604 /*
605 * Look for a matching presentation already on the list...
606 */
607
608 if (!update && pixmap) {
609 xorg_list_for_each_entry_safe(vblank, tmp, &window_priv->vblank, window_list) {
610
611 if (!vblank->pixmap)
612 continue;
613
614 if (!vblank->queued)
615 continue;
616
617 if (vblank->target_msc != target_msc)
618 continue;
619
620 present_vblank_scrap(vblank);
621 if (vblank->flip_ready)
622 present_wnmd_re_execute(vblank);
623 }
624 }
625
626 vblank = present_vblank_create(window,
627 pixmap,
628 serial,
629 valid,
630 update,
631 x_off,
632 y_off,
633 target_crtc,
634 wait_fence,
635 idle_fence,
636 options,
637 &screen_priv->wnmd_info->capabilities,
638 notifies,
639 num_notifies,
640 target_msc,
641 crtc_msc);
642 if (!vblank)
643 return BadAlloc;
644
645 /* WNMD presentations always complete (at least) one frame after they
646 * are executed
647 */
648 vblank->exec_msc = vblank->target_msc - 1;
649
650 xorg_list_append(&vblank->event_queue, &window_priv->exec_queue);
651 vblank->queued = TRUE;
652 if (crtc_msc < vblank->exec_msc) {
653 if (present_wnmd_queue_vblank(screen, window, target_crtc, vblank->event_id, vblank->exec_msc) == Success) {
654 return Success;
655 }
656 DebugPresent(("present_queue_vblank failed\n"));
657 }
658
659 present_wnmd_execute(vblank, ust, crtc_msc);
660 return Success;
661 }
662
663 static void
present_wnmd_abort_vblank(ScreenPtr screen,WindowPtr window,RRCrtcPtr crtc,uint64_t event_id,uint64_t msc)664 present_wnmd_abort_vblank(ScreenPtr screen, WindowPtr window, RRCrtcPtr crtc, uint64_t event_id, uint64_t msc)
665 {
666 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
667 present_window_priv_ptr window_priv = present_window_priv(window);
668 present_vblank_ptr vblank;
669
670 (*screen_priv->wnmd_info->abort_vblank) (window, crtc, event_id, msc);
671
672 xorg_list_for_each_entry(vblank, &window_priv->exec_queue, event_queue) {
673 if (vblank->event_id == event_id) {
674 xorg_list_del(&vblank->event_queue);
675 vblank->queued = FALSE;
676 return;
677 }
678 }
679 xorg_list_for_each_entry(vblank, &window_priv->flip_queue, event_queue) {
680 if (vblank->event_id == event_id) {
681 xorg_list_del(&vblank->event_queue);
682 vblank->queued = FALSE;
683 return;
684 }
685 }
686 }
687
688 static void
present_wnmd_flip_destroy(ScreenPtr screen)689 present_wnmd_flip_destroy(ScreenPtr screen)
690 {
691 /* Cleanup done on window destruction */
692 }
693
694 static void
present_wnmd_flush(WindowPtr window)695 present_wnmd_flush(WindowPtr window)
696 {
697 ScreenPtr screen = window->drawable.pScreen;
698 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
699
700 (*screen_priv->wnmd_info->flush) (window);
701 }
702
703 void
present_wnmd_init_mode_hooks(present_screen_priv_ptr screen_priv)704 present_wnmd_init_mode_hooks(present_screen_priv_ptr screen_priv)
705 {
706 screen_priv->query_capabilities = &present_wnmd_query_capabilities;
707 screen_priv->get_crtc = &present_wnmd_get_crtc;
708
709 screen_priv->check_flip = &present_wnmd_check_flip;
710 screen_priv->check_flip_window = &present_wnmd_check_flip_window;
711 screen_priv->can_window_flip = &present_wnmd_can_window_flip;
712
713 screen_priv->present_pixmap = &present_wnmd_pixmap;
714 screen_priv->create_event_id = &present_wnmd_create_event_id;
715 screen_priv->queue_vblank = &present_wnmd_queue_vblank;
716 screen_priv->flush = &present_wnmd_flush;
717 screen_priv->re_execute = &present_wnmd_re_execute;
718
719 screen_priv->abort_vblank = &present_wnmd_abort_vblank;
720 screen_priv->flip_destroy = &present_wnmd_flip_destroy;
721 }
722