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
29 /*
30 * Called when the wait fence is triggered; just gets the current msc/ust and
31 * calls the proper execute again. That will re-check the fence and pend the
32 * request again if it's still not actually ready
33 */
34 static void
present_wait_fence_triggered(void * param)35 present_wait_fence_triggered(void *param)
36 {
37 present_vblank_ptr vblank = param;
38 ScreenPtr screen = vblank->screen;
39 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
40
41 screen_priv->re_execute(vblank);
42 }
43
44 Bool
present_execute_wait(present_vblank_ptr vblank,uint64_t crtc_msc)45 present_execute_wait(present_vblank_ptr vblank, uint64_t crtc_msc)
46 {
47 WindowPtr window = vblank->window;
48 ScreenPtr screen = window->drawable.pScreen;
49 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
50
51 /* We may have to requeue for the next MSC if check_flip_window prevented
52 * using a flip.
53 */
54 if (vblank->exec_msc == crtc_msc + 1 &&
55 screen_priv->queue_vblank(screen, window, vblank->crtc, vblank->event_id,
56 vblank->exec_msc) == Success)
57 return TRUE;
58
59 if (vblank->wait_fence) {
60 if (!present_fence_check_triggered(vblank->wait_fence)) {
61 present_fence_set_callback(vblank->wait_fence, present_wait_fence_triggered, vblank);
62 return TRUE;
63 }
64 }
65 return FALSE;
66 }
67
68 void
present_execute_copy(present_vblank_ptr vblank,uint64_t crtc_msc)69 present_execute_copy(present_vblank_ptr vblank, uint64_t crtc_msc)
70 {
71 WindowPtr window = vblank->window;
72 ScreenPtr screen = window->drawable.pScreen;
73 present_screen_priv_ptr screen_priv = present_screen_priv(screen);
74
75 /* If present_flip failed, we may have to requeue for the next MSC */
76 if (vblank->exec_msc == crtc_msc + 1 &&
77 Success == screen_priv->queue_vblank(screen,
78 window,
79 vblank->crtc,
80 vblank->event_id,
81 vblank->exec_msc)) {
82 vblank->queued = TRUE;
83 return;
84 }
85
86 present_copy_region(&window->drawable, vblank->pixmap, vblank->update, vblank->x_off, vblank->y_off);
87
88 /* present_copy_region sticks the region into a scratch GC,
89 * which is then freed, freeing the region
90 */
91 vblank->update = NULL;
92 screen_priv->flush(window);
93
94 present_pixmap_idle(vblank->pixmap, vblank->window, vblank->serial, vblank->idle_fence);
95 }
96
97 void
present_execute_post(present_vblank_ptr vblank,uint64_t ust,uint64_t crtc_msc)98 present_execute_post(present_vblank_ptr vblank, uint64_t ust, uint64_t crtc_msc)
99 {
100 uint8_t mode;
101
102 /* Compute correct CompleteMode
103 */
104 if (vblank->kind == PresentCompleteKindPixmap) {
105 if (vblank->pixmap && vblank->window) {
106 if (vblank->has_suboptimal && vblank->reason == PRESENT_FLIP_REASON_BUFFER_FORMAT)
107 mode = PresentCompleteModeSuboptimalCopy;
108 else
109 mode = PresentCompleteModeCopy;
110 } else {
111 mode = PresentCompleteModeSkip;
112 }
113 }
114 else
115 mode = PresentCompleteModeCopy;
116
117 present_vblank_notify(vblank, vblank->kind, mode, ust, crtc_msc);
118 present_vblank_destroy(vblank);
119 }
120