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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 COMPONENTS_EXO_SURFACE_H_ | 5 #ifndef COMPONENTS_EXO_SURFACE_H_ |
| 6 #define COMPONENTS_EXO_SURFACE_H_ | 6 #define COMPONENTS_EXO_SURFACE_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 #include <memory> | 9 #include <memory> |
| 10 #include <set> | 10 #include <set> |
| 11 #include <utility> | 11 #include <utility> |
| 12 | 12 |
| 13 #include "base/callback.h" | 13 #include "base/callback.h" |
| 14 #include "base/macros.h" | 14 #include "base/macros.h" |
| 15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 16 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
| 17 #include "base/observer_list.h" | 17 #include "base/observer_list.h" |
| 18 #include "cc/resources/transferable_resource.h" | 18 #include "cc/resources/transferable_resource.h" |
| 19 #include "cc/scheduler/begin_frame_source.h" | 19 #include "cc/scheduler/begin_frame_source.h" |
| 20 #include "cc/surfaces/surface_factory_client.h" | 20 #include "cc/surfaces/surface_factory_client.h" |
| 21 #include "cc/surfaces/surface_id.h" |
| 22 #include "components/exo/exo_compositor_frame_sink.h" |
| 21 #include "third_party/skia/include/core/SkRegion.h" | 23 #include "third_party/skia/include/core/SkRegion.h" |
| 22 #include "third_party/skia/include/core/SkXfermode.h" | 24 #include "third_party/skia/include/core/SkXfermode.h" |
| 23 #include "ui/aura/window.h" | 25 #include "ui/aura/window.h" |
| 24 #include "ui/aura/window_observer.h" | 26 #include "ui/aura/window_observer.h" |
| 25 #include "ui/gfx/geometry/rect.h" | 27 #include "ui/gfx/geometry/rect.h" |
| 26 | 28 |
| 27 namespace base { | 29 namespace base { |
| 28 namespace trace_event { | 30 namespace trace_event { |
| 29 class TracedValue; | 31 class TracedValue; |
| 30 } | 32 } |
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| 50 struct SurfaceProperty; | 52 struct SurfaceProperty; |
| 51 | 53 |
| 52 namespace subtle { | 54 namespace subtle { |
| 53 class PropertyHelper; | 55 class PropertyHelper; |
| 54 } | 56 } |
| 55 | 57 |
| 56 // The pointer class is currently the only cursor provider class but this can | 58 // The pointer class is currently the only cursor provider class but this can |
| 57 // change in the future when better hardware cursor support is added. | 59 // change in the future when better hardware cursor support is added. |
| 58 using CursorProvider = Pointer; | 60 using CursorProvider = Pointer; |
| 59 | 61 |
| 60 // This class owns the SurfaceFactory and keeps track of references to the | |
| 61 // contents of Buffers. It's keeped alive by references from | |
| 62 // release_callbacks_. It's destroyed when its owning Surface is destroyed and | |
| 63 // the last outstanding release callback is called. | |
| 64 class SurfaceFactoryOwner : public base::RefCounted<SurfaceFactoryOwner>, | |
| 65 public cc::SurfaceFactoryClient { | |
| 66 public: | |
| 67 SurfaceFactoryOwner(); | |
| 68 | |
| 69 // Overridden from cc::SurfaceFactoryClient: | |
| 70 void ReturnResources(const cc::ReturnedResourceArray& resources) override; | |
| 71 void WillDrawSurface(const cc::LocalFrameId& id, | |
| 72 const gfx::Rect& damage_rect) override; | |
| 73 void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; | |
| 74 | |
| 75 private: | |
| 76 friend class base::RefCounted<SurfaceFactoryOwner>; | |
| 77 friend class Surface; | |
| 78 | |
| 79 ~SurfaceFactoryOwner() override; | |
| 80 | |
| 81 std::map<int, | |
| 82 std::pair<scoped_refptr<SurfaceFactoryOwner>, | |
| 83 std::unique_ptr<cc::SingleReleaseCallback>>> | |
| 84 release_callbacks_; | |
| 85 cc::FrameSinkId frame_sink_id_; | |
| 86 std::unique_ptr<cc::SurfaceIdAllocator> id_allocator_; | |
| 87 std::unique_ptr<cc::SurfaceFactory> surface_factory_; | |
| 88 Surface* surface_ = nullptr; | |
| 89 }; | |
| 90 | |
| 91 // This class represents a rectangular area that is displayed on the screen. | 62 // This class represents a rectangular area that is displayed on the screen. |
| 92 // It has a location, size and pixel contents. | 63 // It has a location, size and pixel contents. |
| 93 class Surface : public ui::ContextFactoryObserver, | 64 class Surface : public ui::ContextFactoryObserver, |
| 94 public aura::WindowObserver, | 65 public aura::WindowObserver, |
| 95 public cc::BeginFrameObserver { | 66 public cc::BeginFrameObserver { |
| 96 public: | 67 public: |
| 97 using PropertyDeallocator = void (*)(int64_t value); | 68 using PropertyDeallocator = void (*)(int64_t value); |
| 98 | 69 |
| 99 Surface(); | 70 Surface(); |
| 100 ~Surface() override; | 71 ~Surface() override; |
| 101 | 72 |
| 102 // Type-checking downcast routine. | 73 // Type-checking downcast routine. |
| 103 static Surface* AsSurface(const aura::Window* window); | 74 static Surface* AsSurface(const aura::Window* window); |
| 104 | 75 |
| 105 aura::Window* window() { return window_.get(); } | 76 aura::Window* window() { return window_.get(); } |
| 106 | 77 |
| 107 const cc::LocalFrameId& local_frame_id() const { return local_frame_id_; } | |
| 108 cc::SurfaceId GetSurfaceId() const; | 78 cc::SurfaceId GetSurfaceId() const; |
| 109 | 79 |
| 110 // Set a buffer as the content of this surface. A buffer can only be attached | 80 // Set a buffer as the content of this surface. A buffer can only be attached |
| 111 // to one surface at a time. | 81 // to one surface at a time. |
| 112 void Attach(Buffer* buffer); | 82 void Attach(Buffer* buffer); |
| 113 | 83 |
| 114 // Describe the regions where the pending buffer is different from the | 84 // Describe the regions where the pending buffer is different from the |
| 115 // current surface contents, and where the surface therefore needs to be | 85 // current surface contents, and where the surface therefore needs to be |
| 116 // repainted. | 86 // repainted. |
| 117 void Damage(const gfx::Rect& rect); | 87 void Damage(const gfx::Rect& rect); |
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| 343 // This is the size of the last committed contents. | 313 // This is the size of the last committed contents. |
| 344 gfx::Size content_size_; | 314 gfx::Size content_size_; |
| 345 | 315 |
| 346 // This is true when Attach() has been called and new contents should take | 316 // This is true when Attach() has been called and new contents should take |
| 347 // effect next time Commit() is called. | 317 // effect next time Commit() is called. |
| 348 bool has_pending_contents_ = false; | 318 bool has_pending_contents_ = false; |
| 349 | 319 |
| 350 // The buffer that will become the content of surface when Commit() is called. | 320 // The buffer that will become the content of surface when Commit() is called. |
| 351 BufferAttachment pending_buffer_; | 321 BufferAttachment pending_buffer_; |
| 352 | 322 |
| 323 const cc::FrameSinkId frame_sink_id_; |
| 324 |
| 353 cc::SurfaceManager* surface_manager_; | 325 cc::SurfaceManager* surface_manager_; |
| 354 | 326 |
| 355 scoped_refptr<SurfaceFactoryOwner> factory_owner_; | 327 scoped_refptr<ExoCompositorFrameSink> compositor_frame_sink_; |
| 356 | 328 |
| 357 // The Surface Id currently attached to the window. | 329 cc::SurfaceIdAllocator id_allocator_; |
| 330 |
| 358 cc::LocalFrameId local_frame_id_; | 331 cc::LocalFrameId local_frame_id_; |
| 359 | 332 |
| 360 // The next resource id the buffer will be attached to. | 333 // The next resource id the buffer will be attached to. |
| 361 int next_resource_id_ = 1; | 334 int next_resource_id_ = 1; |
| 362 | 335 |
| 363 // The damage region to schedule paint for when Commit() is called. | 336 // The damage region to schedule paint for when Commit() is called. |
| 364 SkRegion pending_damage_; | 337 SkRegion pending_damage_; |
| 365 | 338 |
| 366 // These lists contains the callbacks to notify the client when it is a good | 339 // These lists contains the callbacks to notify the client when it is a good |
| 367 // time to start producing a new frame. These callbacks move to | 340 // time to start producing a new frame. These callbacks move to |
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| 422 | 395 |
| 423 // Surface observer list. Surface does not own the observers. | 396 // Surface observer list. Surface does not own the observers. |
| 424 base::ObserverList<SurfaceObserver, true> observers_; | 397 base::ObserverList<SurfaceObserver, true> observers_; |
| 425 | 398 |
| 426 DISALLOW_COPY_AND_ASSIGN(Surface); | 399 DISALLOW_COPY_AND_ASSIGN(Surface); |
| 427 }; | 400 }; |
| 428 | 401 |
| 429 } // namespace exo | 402 } // namespace exo |
| 430 | 403 |
| 431 #endif // COMPONENTS_EXO_SURFACE_H_ | 404 #endif // COMPONENTS_EXO_SURFACE_H_ |
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