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
|
/*
* Copyright (C) 2023 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 "DisplayVBlankMonitor.h"
#include "DisplayVBlankMonitorTimer.h"
#include "Logging.h"
#include <wtf/TZoneMallocInlines.h>
#include <wtf/Vector.h>
#if USE(LIBDRM)
#include "DisplayVBlankMonitorDRM.h"
#endif
#if ENABLE(WPE_PLATFORM)
#include "DisplayVBlankMonitorWPE.h"
#include "WPEUtilities.h"
#endif
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(DisplayVBlankMonitor);
std::unique_ptr<DisplayVBlankMonitor> DisplayVBlankMonitor::create(PlatformDisplayID displayID)
{
static const char* forceTimer = getenv("WEBKIT_FORCE_VBLANK_TIMER");
if (!displayID || (forceTimer && strcmp(forceTimer, "0")))
return DisplayVBlankMonitorTimer::create();
#if ENABLE(WPE_PLATFORM)
if (WKWPE::isUsingWPEPlatformAPI()) {
if (auto monitor = DisplayVBlankMonitorWPE::create(displayID))
return monitor;
RELEASE_LOG_FAULT(DisplayLink, "Failed to create WPE vblank monitor, falling back to timer");
return DisplayVBlankMonitorTimer::create();
}
#endif
#if USE(LIBDRM)
if (auto monitor = DisplayVBlankMonitorDRM::create(displayID))
return monitor;
RELEASE_LOG_FAULT(DisplayLink, "Failed to create DRM vblank monitor, falling back to timer");
#endif
return DisplayVBlankMonitorTimer::create();
}
DisplayVBlankMonitor::DisplayVBlankMonitor(unsigned refreshRate)
: m_refreshRate(refreshRate)
{
}
DisplayVBlankMonitor::~DisplayVBlankMonitor() = default;
void DisplayVBlankMonitor::setHandler(Function<void()>&& handler)
{
ASSERT(RunLoop::isMain());
ASSERT(!m_handler);
m_handler = WTFMove(handler);
}
} // namespace WebKit
|
