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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_GFX_SHAREDSURFACESPARENT_H
#define MOZILLA_GFX_SHAREDSURFACESPARENT_H
#include <stdint.h> // for uint32_t
#include "mozilla/Attributes.h" // for override
#include "mozilla/StaticMonitor.h" // for StaticMutex
#include "mozilla/StaticPtr.h" // for StaticAutoPtr
#include "mozilla/RefPtr.h" // for already_AddRefed
#include "mozilla/ipc/SharedMemory.h" // for SharedMemory, etc
#include "mozilla/gfx/2D.h" // for SurfaceFormat
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptorShared
#include "mozilla/layers/SourceSurfaceSharedData.h"
#include "mozilla/webrender/WebRenderTypes.h" // for wr::ExternalImageId
#include "nsExpirationTracker.h"
#include "nsRefPtrHashtable.h"
namespace mozilla {
namespace gfx {
class DataSourceSurface;
} // namespace gfx
namespace layers {
class SharedSurfacesChild;
class SharedSurfacesMemoryReport;
class SharedSurfacesParent final {
public:
static void Initialize();
static void ShutdownRenderThread();
static void Shutdown();
// Get without increasing the consumer count.
static already_AddRefed<gfx::DataSourceSurface> Get(
const wr::ExternalImageId& aId);
// Get but also increase the consumer count. Must call Release after finished.
static already_AddRefed<gfx::DataSourceSurface> Acquire(
const wr::ExternalImageId& aId);
static bool Release(const wr::ExternalImageId& aId, bool aForCreator = false);
static void Add(const wr::ExternalImageId& aId,
SurfaceDescriptorShared&& aDesc, base::ProcessId aPid);
static void Remove(const wr::ExternalImageId& aId);
static void DestroyProcess(base::ProcessId aPid);
static void AccumulateMemoryReport(base::ProcessId aPid,
SharedSurfacesMemoryReport& aReport);
static bool AccumulateMemoryReport(SharedSurfacesMemoryReport& aReport);
static void AddTracking(gfx::SourceSurfaceSharedDataWrapper* aSurface);
static void RemoveTracking(gfx::SourceSurfaceSharedDataWrapper* aSurface);
static bool AgeOneGeneration(
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired);
static bool AgeAndExpireOneGeneration();
private:
friend class SharedSurfacesChild;
friend class gfx::SourceSurfaceSharedDataWrapper;
SharedSurfacesParent();
static void AddSameProcess(const wr::ExternalImageId& aId,
gfx::SourceSurfaceSharedData* aSurface);
static void AddTrackingLocked(gfx::SourceSurfaceSharedDataWrapper* aSurface,
const StaticMonitorAutoLock& aAutoLock);
static void RemoveTrackingLocked(
gfx::SourceSurfaceSharedDataWrapper* aSurface,
const StaticMonitorAutoLock& aAutoLock);
static bool AgeOneGenerationLocked(
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired,
const StaticMonitorAutoLock& aAutoLock);
static void ExpireMap(
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired);
static StaticMonitor sMonitor MOZ_UNANNOTATED;
static StaticAutoPtr<SharedSurfacesParent> sInstance;
nsRefPtrHashtable<nsUint64HashKey, gfx::SourceSurfaceSharedDataWrapper>
mSurfaces;
class MappingTracker final
: public ExpirationTrackerImpl<gfx::SourceSurfaceSharedDataWrapper, 4,
StaticMonitor, StaticMonitorAutoLock> {
public:
explicit MappingTracker(uint32_t aExpirationTimeoutMS,
nsIEventTarget* aEventTarget)
: ExpirationTrackerImpl<gfx::SourceSurfaceSharedDataWrapper, 4,
StaticMonitor, StaticMonitorAutoLock>(
aExpirationTimeoutMS, "SharedMappingTracker", aEventTarget) {}
void TakeExpired(
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired,
const StaticMonitorAutoLock& aAutoLock);
protected:
void NotifyExpiredLocked(gfx::SourceSurfaceSharedDataWrapper* aSurface,
const StaticMonitorAutoLock& aAutoLock) override;
void NotifyHandlerEndLocked(
const StaticMonitorAutoLock& aAutoLock) override {}
void NotifyHandlerEnd() override;
StaticMonitor& GetMutex() override { return sMonitor; }
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>> mExpired;
};
MappingTracker mTracker;
};
} // namespace layers
} // namespace mozilla
#endif
|
