1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* Copyright (C) 2025 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DisplayVBlankMonitorWPE.h"
#if ENABLE(WPE_PLATFORM)
#include "Logging.h"
#include "ScreenManager.h"
#include <wpe/wpe-platform.h>
namespace WebKit {
std::unique_ptr<DisplayVBlankMonitor> DisplayVBlankMonitorWPE::create(PlatformDisplayID displayID)
{
auto* screen = ScreenManager::singleton().screen(displayID);
if (!screen) {
RELEASE_LOG_FAULT(DisplayLink, "Could not create a vblank monitor for display %u: no screen found", displayID);
return nullptr;
}
GRefPtr<WPEScreenSyncObserver> observer = adoptGRef(wpe_screen_get_sync_observer(screen));
if (!observer) {
RELEASE_LOG_FAULT(DisplayLink, "Could not create a vblank monitor for display %u: screen sync not supported by WPE platform", displayID);
return nullptr;
}
return makeUnique<DisplayVBlankMonitorWPE>(wpe_screen_get_refresh_rate(screen) / 1000, WTFMove(observer));
}
DisplayVBlankMonitorWPE::DisplayVBlankMonitorWPE(unsigned refreshRate, GRefPtr<WPEScreenSyncObserver>&& observer)
: DisplayVBlankMonitor(refreshRate)
, m_observer(WTFMove(observer))
{
wpe_screen_sync_observer_set_callback(m_observer.get(), +[](WPEScreenSyncObserver* observer, gpointer userData) {
auto* monitor = static_cast<DisplayVBlankMonitorWPE*>(userData);
monitor->m_handler();
}, this, nullptr);
}
DisplayVBlankMonitorWPE::~DisplayVBlankMonitorWPE()
{
ASSERT(!m_observer);
}
void DisplayVBlankMonitorWPE::start()
{
if (!m_observer)
return;
wpe_screen_sync_observer_start(m_observer.get());
}
void DisplayVBlankMonitorWPE::stop()
{
if (!m_observer)
return;
wpe_screen_sync_observer_stop(m_observer.get());
}
void DisplayVBlankMonitorWPE::invalidate()
{
if (!m_observer)
return;
if (isActive())
stop();
m_observer = nullptr;
}
bool DisplayVBlankMonitorWPE::isActive()
{
return m_observer && wpe_screen_sync_observer_is_active(m_observer.get());
}
} // namespace WebKit
#endif // ENABLE(WPE_PLATFORM)
|
