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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* Copyright (C) 2023 Apple Inc. All rights reserved.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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 "AcceleratedEffectStackUpdater.h"
#if ENABLE(THREADED_ANIMATIONS)
#include "AcceleratedTimeline.h"
#include "KeyframeEffectStack.h"
#include "RenderElement.h"
#include "RenderLayer.h"
#include "RenderLayerBacking.h"
#include "RenderLayerModelObject.h"
#include "RenderStyleConstants.h"
#include "ScrollTimeline.h"
#include "Styleable.h"
namespace WebCore {
void AcceleratedEffectStackUpdater::update()
{
if (!hasTargetsPendingUpdate())
return;
HashSet<Ref<AcceleratedTimeline>> timelinesInUpdate;
auto targetsPendingUpdate = std::exchange(m_targetsPendingUpdate, { });
for (auto [element, pseudoElementIdentifier] : targetsPendingUpdate) {
if (!element)
continue;
Styleable target { *element, pseudoElementIdentifier };
auto* renderer = dynamicDowncast<RenderLayerModelObject>(target.renderer());
if (!renderer || !renderer->isComposited())
continue;
auto* renderLayer = renderer->layer();
ASSERT(renderLayer && renderLayer->backing());
renderLayer->backing()->updateAcceleratedEffectsAndBaseValues(timelinesInUpdate);
}
for (auto& timeline : timelinesInUpdate) {
auto& timelineIdentifier = timeline->identifier();
auto addResult = m_timelines.add(timelineIdentifier, timeline.ptr());
if (addResult.isNewEntry)
m_timelinesUpdate.created.add(timeline);
}
}
void AcceleratedEffectStackUpdater::scheduleUpdateForTarget(const Styleable& target)
{
m_targetsPendingUpdate.add({ &target.element, target.pseudoElementIdentifier });
}
void AcceleratedEffectStackUpdater::scrollTimelineDidChange(ScrollTimeline& timeline)
{
m_scrollTimelinesPendingUpdate.add(timeline);
}
AcceleratedTimelinesUpdate AcceleratedEffectStackUpdater::takeTimelinesUpdate()
{
// All known accelerated timelines that got destroyed since the last update
// will now be null references. Add them to the list of destroyed timelines.
for (auto& [timelineIdentifier, timeline] : m_timelines) {
if (!timeline)
m_timelinesUpdate.destroyed.add(timelineIdentifier);
}
// Prune all those destroyed timelines from our list of know accelerated timelines.
for (auto& identifierToRemove : m_timelinesUpdate.destroyed)
m_timelines.remove(identifierToRemove);
// Finally, process all timelines that were marked as requiring an update, either
// marking them as modified or destroyed if they no longer are accelerated.
auto scrollTimelinesPendingUpdate = std::exchange(m_scrollTimelinesPendingUpdate, { });
for (auto& scrollTimeline : scrollTimelinesPendingUpdate) {
auto timelineIdentifier = scrollTimeline->acceleratedTimelineIdentifier();
auto acceleratedTimeline = m_timelines.getOptional(timelineIdentifier);
if (acceleratedTimeline && scrollTimeline->canBeAccelerated()) {
ASSERT(*acceleratedTimeline);
scrollTimeline->updateAcceleratedRepresentation();
m_timelinesUpdate.modified.add(**acceleratedTimeline);
} else
m_timelinesUpdate.destroyed.add(timelineIdentifier);
}
return std::exchange(m_timelinesUpdate, { });
}
} // namespace WebCore
#endif // ENABLE(THREADED_ANIMATIONS)
|
