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Side by Side Diff: ui/ozone/platform/dri/drm_device_manager.h

Issue 908993003: [Ozone-Dri] Rename DriWrapper to DrmDevice (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@udl3-pass-drm-fd
Patch Set: rebased Created 5 years, 9 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_OZONE_PLATFORM_DRI_DRM_DEVICE_MANAGER_H_ 5 #ifndef UI_OZONE_PLATFORM_DRI_DRM_DEVICE_MANAGER_H_
6 #define UI_OZONE_PLATFORM_DRI_DRM_DEVICE_MANAGER_H_ 6 #define UI_OZONE_PLATFORM_DRI_DRM_DEVICE_MANAGER_H_
7 7
8 #include <map> 8 #include <map>
9 9
10 #include "base/memory/ref_counted.h" 10 #include "base/memory/ref_counted.h"
11 #include "base/synchronization/lock.h" 11 #include "base/synchronization/lock.h"
12 #include "ui/gfx/native_widget_types.h" 12 #include "ui/gfx/native_widget_types.h"
13 #include "ui/ozone/ozone_export.h" 13 #include "ui/ozone/ozone_export.h"
14 14
15 namespace ui { 15 namespace ui {
16 16
17 class DriWrapper; 17 class DrmDevice;
18 18
19 // Tracks the mapping between widgets and the DRM devices used to allocate 19 // Tracks the mapping between widgets and the DRM devices used to allocate
20 // buffers for the window represented by the widget. 20 // buffers for the window represented by the widget.
21 class OZONE_EXPORT DrmDeviceManager { 21 class OZONE_EXPORT DrmDeviceManager {
22 public: 22 public:
23 DrmDeviceManager(const scoped_refptr<DriWrapper>& primary_device); 23 DrmDeviceManager(const scoped_refptr<DrmDevice>& primary_device);
24 ~DrmDeviceManager(); 24 ~DrmDeviceManager();
25 25
26 // Updates the device associated with |widget|. 26 // Updates the device associated with |widget|.
27 void UpdateDrmDevice(gfx::AcceleratedWidget widget, 27 void UpdateDrmDevice(gfx::AcceleratedWidget widget,
28 const scoped_refptr<DriWrapper>& device); 28 const scoped_refptr<DrmDevice>& device);
29 29
30 // Removes the device associated with |widget|. 30 // Removes the device associated with |widget|.
31 void RemoveDrmDevice(gfx::AcceleratedWidget widget); 31 void RemoveDrmDevice(gfx::AcceleratedWidget widget);
32 32
33 // Returns the device associated with |widget|. If there is no association 33 // Returns the device associated with |widget|. If there is no association
34 // returns |primary_device_|. 34 // returns |primary_device_|.
35 scoped_refptr<DriWrapper> GetDrmDevice(gfx::AcceleratedWidget widget); 35 scoped_refptr<DrmDevice> GetDrmDevice(gfx::AcceleratedWidget widget);
36 36
37 private: 37 private:
38 std::map<gfx::AcceleratedWidget, scoped_refptr<DriWrapper>> drm_device_map_; 38 std::map<gfx::AcceleratedWidget, scoped_refptr<DrmDevice>> drm_device_map_;
39 39
40 // This device represents the primary graphics device and is used when: 40 // This device represents the primary graphics device and is used when:
41 // 1) 'widget == kNullAcceleratedWidget' when the API requesting a buffer has 41 // 1) 'widget == kNullAcceleratedWidget' when the API requesting a buffer has
42 // no knowledge of the surface/display it belongs to (currently this happens 42 // no knowledge of the surface/display it belongs to (currently this happens
43 // for video buffers), or 43 // for video buffers), or
44 // 2) in order to allocate buffers for unmatched surfaces (surfaces without a 44 // 2) in order to allocate buffers for unmatched surfaces (surfaces without a
45 // display; ie: when in headless mode). 45 // display; ie: when in headless mode).
46 scoped_refptr<DriWrapper> primary_device_; 46 scoped_refptr<DrmDevice> primary_device_;
47 47
48 // This class is accessed from the main thread and the IO thread. This lock 48 // This class is accessed from the main thread and the IO thread. This lock
49 // protects access to the device map. 49 // protects access to the device map.
50 base::Lock lock_; 50 base::Lock lock_;
51 51
52 DISALLOW_COPY_AND_ASSIGN(DrmDeviceManager); 52 DISALLOW_COPY_AND_ASSIGN(DrmDeviceManager);
53 }; 53 };
54 54
55 } // namespace ui 55 } // namespace ui
56 56
57 #endif // UI_OZONE_PLATFORM_DRI_DRM_DEVICE_MANAGER_H_ 57 #endif // UI_OZONE_PLATFORM_DRI_DRM_DEVICE_MANAGER_H_
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