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
|
// Copyright 2016 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 SERVICES_UI_GPU_GPU_MAIN_H_
#define SERVICES_UI_GPU_GPU_MAIN_H_
#include "base/threading/thread.h"
#include "gpu/ipc/in_process_command_buffer.h"
#include "gpu/ipc/service/gpu_init.h"
#include "services/ui/gpu/interfaces/gpu_main.mojom.h"
#include "services/ui/gpu/interfaces/gpu_service.mojom.h"
#include "services/ui/surfaces/display_compositor.h"
namespace gpu {
class GpuMemoryBufferFactory;
class ImageFactory;
}
namespace ui {
class GpuService;
class GpuMain : public gpu::GpuSandboxHelper, public mojom::GpuMain {
public:
explicit GpuMain(mojom::GpuMainRequest request);
~GpuMain() override;
// mojom::GpuMain implementation:
void CreateGpuService(mojom::GpuServiceRequest request,
mojom::GpuHostPtr gpu_host,
const gpu::GpuPreferences& preferences) override;
void CreateDisplayCompositor(
cc::mojom::DisplayCompositorRequest request,
cc::mojom::DisplayCompositorClientPtr client) override;
void OnStart();
GpuService* gpu_service() { return gpu_service_.get(); }
private:
void InitOnGpuThread(
scoped_refptr<base::SingleThreadTaskRunner> io_runner,
scoped_refptr<base::SingleThreadTaskRunner> compositor_runner);
void CreateDisplayCompositorInternal(
cc::mojom::DisplayCompositorRequest request,
cc::mojom::DisplayCompositorClientPtrInfo client_info);
void CreateDisplayCompositorOnCompositorThread(
gpu::ImageFactory* image_factory,
mojom::GpuServicePtrInfo gpu_service_info,
cc::mojom::DisplayCompositorRequest request,
cc::mojom::DisplayCompositorClientPtrInfo client_info);
void CreateGpuServiceOnGpuThread(mojom::GpuServiceRequest request,
mojom::GpuHostPtrInfo gpu_host_info,
const gpu::GpuPreferences& preferences);
void BindGpuInternalOnGpuThread(mojom::GpuServiceRequest request);
void TearDownOnCompositorThread();
void TearDownOnGpuThread();
// gpu::GpuSandboxHelper:
void PreSandboxStartup() override;
bool EnsureSandboxInitialized(
gpu::GpuWatchdogThread* watchdog_thread) override;
std::unique_ptr<gpu::GpuInit> gpu_init_;
std::unique_ptr<GpuService> gpu_service_;
// The message-pipe used by the DisplayCompositor to request gpu memory
// buffers.
mojom::GpuServicePtr gpu_internal_;
// The InCommandCommandBuffer::Service used by the display compositor.
scoped_refptr<gpu::InProcessCommandBuffer::Service> gpu_command_service_;
// If the gpu service is not yet ready then we stash pending MessagePipes in
// these member variables.
cc::mojom::DisplayCompositorRequest pending_display_compositor_request_;
cc::mojom::DisplayCompositorClientPtrInfo
pending_display_compositor_client_info_;
std::unique_ptr<DisplayCompositor> display_compositor_;
std::unique_ptr<gpu::GpuMemoryBufferFactory> gpu_memory_buffer_factory_;
// The main thread for Gpu.
base::Thread gpu_thread_;
// The thread that handles IO events for Gpu.
base::Thread io_thread_;
// The display compositor gets its own thread in mus-gpu. The gpu service,
// where GL commands are processed resides on its own thread. Various
// components of the display compositor such as Display, ResourceProvider,
// and GLRenderer block on sync tokens from other command buffers. Thus,
// the gpu service must live on a separate thread.
base::Thread compositor_thread_;
mojo::Binding<mojom::GpuMain> binding_;
DISALLOW_COPY_AND_ASSIGN(GpuMain);
};
} // namespace ui
#endif // SERVICES_UI_GPU_GPU_MAIN_H_
|
