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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_layers_NativeLayerRootRemoteMacChild_h
#define mozilla_layers_NativeLayerRootRemoteMacChild_h
#include "mozilla/layers/NativeLayerCommandQueue.h"
#include "mozilla/layers/NativeLayerRemoteChild.h"
#include "mozilla/layers/NativeLayerRemoteMac.h"
namespace mozilla {
namespace layers {
// NativeLayerRootRemoteMacChild is a macOS-specific implementation of
// NativeLayerRoot that runs on the GPU process, and sends updates
// to the parent process.
class NativeLayerRootRemoteMacChild final : public NativeLayerRoot {
public:
NativeLayerRootRemoteMacChild();
already_AddRefed<NativeLayer> CreateLayer(
const gfx::IntSize& aSize, bool aIsOpaque,
SurfacePoolHandle* aSurfacePoolHandle) override;
already_AddRefed<NativeLayer> CreateLayerForExternalTexture(
bool aIsOpaque) override;
already_AddRefed<NativeLayer> CreateLayerForColor(
gfx::DeviceColor aColor) override;
void AppendLayer(NativeLayer* aLayer) override;
void RemoveLayer(NativeLayer* aLayer) override;
void SetLayers(const nsTArray<RefPtr<NativeLayer>>& aLayers) override;
UniquePtr<NativeLayerRootSnapshotter> CreateSnapshotter() override;
// Called before any layer content changes.
void PrepareForCommit() override;
// Publish the layer changes to the screen. Returns whether the commit was
// successful.
bool CommitToScreen() override;
// Send a sync message to the parent to make sure it has seen our layer
// commands message.
void WaitUntilCommitToScreenHasBeenProcessed() override;
RefPtr<NativeLayerRemoteChild> GetRemoteChild() { return mRemoteChild; }
protected:
friend class NativeLayerRootRemoteMacSnapshotter;
virtual ~NativeLayerRootRemoteMacChild();
void CommitForSnapshot(CALayer* aRootCALayer);
void OnNativeLayerRootSnapshotterDestroyed(
NativeLayerRootSnapshotterCA* aNativeLayerRootSnapshotter);
// An implementation of SnapshotterCADelegate, backed by a
// NativeLayerRootRemoteMacChild.
struct SnapshotterDelegate final : public SnapshotterCADelegate {
explicit SnapshotterDelegate(NativeLayerRootRemoteMacChild* aLayerRoot);
virtual ~SnapshotterDelegate() override;
virtual void UpdateSnapshotterLayers(CALayer* aRootCALayer) override {
mLayerRoot->CommitForSnapshot(aRootCALayer);
}
virtual bool DoCustomReadbackForReftestsIfDesired(
const gfx::IntSize& aReadbackSize, gfx::SurfaceFormat aReadbackFormat,
const Range<uint8_t>& aReadbackBuffer) override {
return mLayerRoot->ReadbackPixelsFromParent(
aReadbackSize, aReadbackFormat, aReadbackBuffer);
}
virtual void OnSnapshotterDestroyed(
NativeLayerRootSnapshotterCA* aSnapshotter) override {
mLayerRoot->OnNativeLayerRootSnapshotterDestroyed(aSnapshotter);
}
RefPtr<NativeLayerRootRemoteMacChild> mLayerRoot;
};
RefPtr<NativeLayerRemoteChild> mRemoteChild;
RefPtr<NativeLayerCommandQueue> mCommandQueue;
nsTArray<RefPtr<NativeLayerRemoteMac>> mNativeLayers;
NativeLayerRootSnapshotterCA* mWeakSnapshotter = nullptr;
bool mNativeLayersChanged = false;
bool mNativeLayersChangedForSnapshot = false;
// Send a sync message to the parent to get the window pixels.
// Used for reftests.
//
// This is different from what we do for "window recorder" and
// "profiler screenshot" snapshotting, where we do the snapshotting
// within the GPU process, using CARenderer on a CALayer tree we
// construct within the GPU process.
//
// Here's why we have two different snapshotting paths:
// - Profiler screenshots and window recording care about minimal overhead
// and need to minimize blocking on the GPU.
// - Reftests care about catching bugs, and don't need maximum performance.
// By doing the readback in the parent, we can catch more bugs, for
// example bugs in the IPC serialization of layer updates and how those
// updates are applied on the parent side.
bool ReadbackPixelsFromParent(const gfx::IntSize& aSize,
gfx::SurfaceFormat aFormat,
const Range<uint8_t>& aBuffer);
};
} // namespace layers
} // namespace mozilla
#endif // mozilla_layers_NativeLayerRootRemoteMacChild_h
|
