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
|
// Copyright 2014 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.
#ifndef CC_SURFACES_DISPLAY_H_
#define CC_SURFACES_DISPLAY_H_
#include <vector>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "cc/output/output_surface_client.h"
#include "cc/output/renderer.h"
#include "cc/resources/returned_resource.h"
#include "cc/scheduler/begin_frame_source.h"
#include "cc/surfaces/display_scheduler.h"
#include "cc/surfaces/surface_aggregator.h"
#include "cc/surfaces/surface_id.h"
#include "cc/surfaces/surface_manager.h"
#include "cc/surfaces/surfaces_export.h"
#include "ui/events/latency_info.h"
namespace gpu {
class GpuMemoryBufferManager;
}
namespace gfx {
class Size;
}
namespace cc {
class BeginFrameSource;
class DirectRenderer;
class DisplayClient;
class OutputSurface;
class RendererSettings;
class ResourceProvider;
class SharedBitmapManager;
class Surface;
class SurfaceAggregator;
class SurfaceIdAllocator;
class SurfaceFactory;
class TextureMailboxDeleter;
// A Display produces a surface that can be used to draw to a physical display
// (OutputSurface). The client is responsible for creating and sizing the
// surface IDs used to draw into the display and deciding when to draw.
class CC_SURFACES_EXPORT Display : public DisplaySchedulerClient,
public OutputSurfaceClient,
public RendererClient,
public SurfaceDamageObserver {
public:
Display(DisplayClient* client,
SurfaceManager* manager,
SharedBitmapManager* bitmap_manager,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
const RendererSettings& settings);
~Display() override;
bool Initialize(scoped_ptr<OutputSurface> output_surface,
DisplayScheduler* scheduler);
// device_scale_factor is used to communicate to the external window system
// what scale this was rendered at.
void SetSurfaceId(SurfaceId id, float device_scale_factor);
void Resize(const gfx::Size& new_size);
void SetExternalClip(const gfx::Rect& clip);
SurfaceId CurrentSurfaceId();
// DisplaySchedulerClient implementation.
bool DrawAndSwap() override;
// OutputSurfaceClient implementation.
void CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) override;
void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override;
void DidSwapBuffers() override;
void DidSwapBuffersComplete() override;
void ReclaimResources(const CompositorFrameAck* ack) override;
void DidLoseOutputSurface() override;
void SetExternalTilePriorityConstraints(
const gfx::Rect& viewport_rect,
const gfx::Transform& transform) override;
void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
void SetTreeActivationCallback(const base::Closure& callback) override;
void OnDraw(const gfx::Transform& transform,
const gfx::Rect& viewport,
const gfx::Rect& clip,
bool resourceless_software_draw) override;
// RendererClient implementation.
void SetFullRootLayerDamage() override;
// SurfaceDamageObserver implementation.
void OnSurfaceDamaged(SurfaceId surface, bool* changed) override;
private:
void InitializeRenderer();
void UpdateRootSurfaceResourcesLocked();
DisplayClient* client_;
SurfaceManager* manager_;
SharedBitmapManager* bitmap_manager_;
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
RendererSettings settings_;
SurfaceId current_surface_id_;
gfx::Size current_surface_size_;
float device_scale_factor_;
bool swapped_since_resize_;
gfx::Rect external_clip_;
scoped_ptr<OutputSurface> output_surface_;
DisplayScheduler* scheduler_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_ptr<SurfaceAggregator> aggregator_;
scoped_ptr<DirectRenderer> renderer_;
scoped_ptr<TextureMailboxDeleter> texture_mailbox_deleter_;
std::vector<ui::LatencyInfo> stored_latency_info_;
DISALLOW_COPY_AND_ASSIGN(Display);
};
} // namespace cc
#endif // CC_SURFACES_DISPLAY_H_
|
