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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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