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
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/display_compositor/compositor_overlay_candidate_validator_android.h"
#include <memory>
#include "base/memory/ptr_util.h"
#include "cc/output/overlay_processor.h"
#include "cc/output/overlay_strategy_underlay.h"
#include "ui/gfx/geometry/rect_conversions.h"
namespace display_compositor {
CompositorOverlayCandidateValidatorAndroid::
CompositorOverlayCandidateValidatorAndroid() {}
CompositorOverlayCandidateValidatorAndroid::
~CompositorOverlayCandidateValidatorAndroid() {}
void CompositorOverlayCandidateValidatorAndroid::GetStrategies(
cc::OverlayProcessor::StrategyList* strategies) {
strategies->push_back(base::MakeUnique<cc::OverlayStrategyUnderlay>(this));
}
void CompositorOverlayCandidateValidatorAndroid::CheckOverlaySupport(
cc::OverlayCandidateList* candidates) {
// There should only be at most a single overlay candidate: the video quad.
// There's no check that the presented candidate is really a video frame for
// a fullscreen video. Instead it's assumed that if a quad is marked as
// overlayable, it's a fullscreen video quad.
DCHECK_LE(candidates->size(), 1u);
if (!candidates->empty()) {
cc::OverlayCandidate& candidate = candidates->front();
// This quad either will be promoted, or would be if it were backed by a
// SurfaceView. Record that it should get a promotion hint.
candidates->AddPromotionHint(candidate);
if (candidate.is_backed_by_surface_texture) {
// This quad would be promoted if it were backed by a SurfaceView. Since
// it isn't, we can't promote it.
return;
}
candidate.display_rect =
gfx::RectF(gfx::ToEnclosingRect(candidate.display_rect));
candidate.overlay_handled = true;
candidate.plane_z_order = -1;
}
}
bool CompositorOverlayCandidateValidatorAndroid::AllowCALayerOverlays() {
return false;
}
// Overlays will still be allowed when software mirroring is enabled, even
// though they won't appear in the mirror.
void CompositorOverlayCandidateValidatorAndroid::SetSoftwareMirrorMode(
bool enabled) {}
} // namespace display_compositor
|
