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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_SCREEN_MANAGER_H_ | 5 #ifndef UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_ |
6 #define UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_ | 6 #define UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/scoped_vector.h" | 9 #include "base/memory/scoped_vector.h" |
10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
11 #include "ui/ozone/ozone_export.h" | 11 #include "ui/ozone/ozone_export.h" |
12 #include "ui/ozone/platform/dri/display_change_observer.h" | 12 #include "ui/ozone/platform/dri/display_change_observer.h" |
13 #include "ui/ozone/platform/dri/hardware_display_controller.h" | 13 #include "ui/ozone/platform/dri/hardware_display_controller.h" |
14 | 14 |
15 typedef struct _drmModeModeInfo drmModeModeInfo; | 15 typedef struct _drmModeModeInfo drmModeModeInfo; |
16 | 16 |
17 namespace gfx { | 17 namespace gfx { |
18 class Point; | 18 class Point; |
19 class Rect; | 19 class Rect; |
20 class Size; | 20 class Size; |
21 } // namespace gfx | 21 } // namespace gfx |
22 | 22 |
23 namespace ui { | 23 namespace ui { |
24 | 24 |
25 class DriWrapper; | 25 class DrmDevice; |
26 class ScanoutBufferGenerator; | 26 class ScanoutBufferGenerator; |
27 | 27 |
28 // Responsible for keeping track of active displays and configuring them. | 28 // Responsible for keeping track of active displays and configuring them. |
29 class OZONE_EXPORT ScreenManager { | 29 class OZONE_EXPORT ScreenManager { |
30 public: | 30 public: |
31 ScreenManager(ScanoutBufferGenerator* surface_generator); | 31 ScreenManager(ScanoutBufferGenerator* surface_generator); |
32 virtual ~ScreenManager(); | 32 virtual ~ScreenManager(); |
33 | 33 |
34 // Register a display controller. This must be called before trying to | 34 // Register a display controller. This must be called before trying to |
35 // configure it. | 35 // configure it. |
36 void AddDisplayController(const scoped_refptr<DriWrapper>& dri, | 36 void AddDisplayController(const scoped_refptr<DrmDevice>& drm, |
37 uint32_t crtc, | 37 uint32_t crtc, |
38 uint32_t connector); | 38 uint32_t connector); |
39 | 39 |
40 // Remove a display controller from the list of active controllers. The | 40 // Remove a display controller from the list of active controllers. The |
41 // controller is removed since it was disconnected. | 41 // controller is removed since it was disconnected. |
42 void RemoveDisplayController(const scoped_refptr<DriWrapper>& dri, | 42 void RemoveDisplayController(const scoped_refptr<DrmDevice>& drm, |
43 uint32_t crtc); | 43 uint32_t crtc); |
44 | 44 |
45 // Configure a display controller. The display controller is identified by | 45 // Configure a display controller. The display controller is identified by |
46 // (|crtc|, |connector|) and the controller is modeset using |mode|. | 46 // (|crtc|, |connector|) and the controller is modeset using |mode|. |
47 bool ConfigureDisplayController(const scoped_refptr<DriWrapper>& dri, | 47 bool ConfigureDisplayController(const scoped_refptr<DrmDevice>& drm, |
48 uint32_t crtc, | 48 uint32_t crtc, |
49 uint32_t connector, | 49 uint32_t connector, |
50 const gfx::Point& origin, | 50 const gfx::Point& origin, |
51 const drmModeModeInfo& mode); | 51 const drmModeModeInfo& mode); |
52 | 52 |
53 // Disable the display controller identified by |crtc|. Note, the controller | 53 // Disable the display controller identified by |crtc|. Note, the controller |
54 // may still be connected, so this does not remove the controller. | 54 // may still be connected, so this does not remove the controller. |
55 bool DisableDisplayController(const scoped_refptr<DriWrapper>& dri, | 55 bool DisableDisplayController(const scoped_refptr<DrmDevice>& drm, |
56 uint32_t crtc); | 56 uint32_t crtc); |
57 | 57 |
58 // Returns a reference to the display controller configured to display within | 58 // Returns a reference to the display controller configured to display within |
59 // |bounds|. If the caller caches the controller it must also register as an | 59 // |bounds|. If the caller caches the controller it must also register as an |
60 // observer to be notified when the controller goes out of scope. | 60 // observer to be notified when the controller goes out of scope. |
61 HardwareDisplayController* GetDisplayController(const gfx::Rect& bounds); | 61 HardwareDisplayController* GetDisplayController(const gfx::Rect& bounds); |
62 | 62 |
63 void AddObserver(DisplayChangeObserver* observer); | 63 void AddObserver(DisplayChangeObserver* observer); |
64 void RemoveObserver(DisplayChangeObserver* observer); | 64 void RemoveObserver(DisplayChangeObserver* observer); |
65 | 65 |
66 private: | 66 private: |
67 typedef ScopedVector<HardwareDisplayController> HardwareDisplayControllers; | 67 typedef ScopedVector<HardwareDisplayController> HardwareDisplayControllers; |
68 | 68 |
69 // Returns an iterator into |controllers_| for the controller identified by | 69 // Returns an iterator into |controllers_| for the controller identified by |
70 // (|crtc|, |connector|). | 70 // (|crtc|, |connector|). |
71 HardwareDisplayControllers::iterator FindDisplayController( | 71 HardwareDisplayControllers::iterator FindDisplayController( |
72 const scoped_refptr<DriWrapper>& drm, | 72 const scoped_refptr<DrmDevice>& drm, |
73 uint32_t crtc); | 73 uint32_t crtc); |
74 | 74 |
75 // Returns an iterator into |controllers_| for the controller located at | 75 // Returns an iterator into |controllers_| for the controller located at |
76 // |origin|. | 76 // |origin|. |
77 HardwareDisplayControllers::iterator FindActiveDisplayControllerByLocation( | 77 HardwareDisplayControllers::iterator FindActiveDisplayControllerByLocation( |
78 const gfx::Rect& bounds); | 78 const gfx::Rect& bounds); |
79 | 79 |
80 // Perform modesetting in |controller| using |origin| and |mode|. | 80 // Perform modesetting in |controller| using |origin| and |mode|. |
81 bool ModesetDisplayController(HardwareDisplayController* controller, | 81 bool ModesetDisplayController(HardwareDisplayController* controller, |
82 const gfx::Point& origin, | 82 const gfx::Point& origin, |
83 const drmModeModeInfo& mode); | 83 const drmModeModeInfo& mode); |
84 | 84 |
85 // Tries to set the controller identified by (|crtc|, |connector|) to mirror | 85 // Tries to set the controller identified by (|crtc|, |connector|) to mirror |
86 // those in |mirror|. |original| is an iterator to the HDC where the | 86 // those in |mirror|. |original| is an iterator to the HDC where the |
87 // controller is currently present. | 87 // controller is currently present. |
88 bool HandleMirrorMode(HardwareDisplayControllers::iterator original, | 88 bool HandleMirrorMode(HardwareDisplayControllers::iterator original, |
89 HardwareDisplayControllers::iterator mirror, | 89 HardwareDisplayControllers::iterator mirror, |
90 const scoped_refptr<DriWrapper>& drm, | 90 const scoped_refptr<DrmDevice>& drm, |
91 uint32_t crtc, | 91 uint32_t crtc, |
92 uint32_t connector); | 92 uint32_t connector); |
93 | 93 |
94 ScanoutBufferGenerator* buffer_generator_; // Not owned. | 94 ScanoutBufferGenerator* buffer_generator_; // Not owned. |
95 // List of display controllers (active and disabled). | 95 // List of display controllers (active and disabled). |
96 HardwareDisplayControllers controllers_; | 96 HardwareDisplayControllers controllers_; |
97 | 97 |
98 ObserverList<DisplayChangeObserver> observers_; | 98 ObserverList<DisplayChangeObserver> observers_; |
99 | 99 |
100 DISALLOW_COPY_AND_ASSIGN(ScreenManager); | 100 DISALLOW_COPY_AND_ASSIGN(ScreenManager); |
101 }; | 101 }; |
102 | 102 |
103 } // namespace ui | 103 } // namespace ui |
104 | 104 |
105 #endif // UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_ | 105 #endif // UI_OZONE_PLATFORM_DRI_SCREEN_MANAGER_H_ |
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