Home | History | Annotate | Download | only in surfaces 
      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
      3 // found in the LICENSE file.
      4 
      5 #ifndef CC_SURFACES_DISPLAY_H_
      6 #define CC_SURFACES_DISPLAY_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "cc/output/output_surface_client.h"
     10 #include "cc/output/renderer.h"
     11 #include "cc/resources/returned_resource.h"
     12 #include "cc/surfaces/surface_aggregator.h"
     13 #include "cc/surfaces/surface_id.h"
     14 #include "cc/surfaces/surface_manager.h"
     15 #include "cc/surfaces/surfaces_export.h"
     16 
     17 namespace gfx {
     18 class Size;
     19 }
     20 
     21 namespace cc {
     22 
     23 class BlockingTaskRunner;
     24 class DirectRenderer;
     25 class DisplayClient;
     26 class OutputSurface;
     27 class ResourceProvider;
     28 class SharedBitmapManager;
     29 class Surface;
     30 class SurfaceAggregator;
     31 class SurfaceIdAllocator;
     32 class SurfaceFactory;
     33 
     34 // A Display produces a surface that can be used to draw to a physical display
     35 // (OutputSurface). The client is responsible for creating and sizing the
     36 // surface IDs used to draw into the display and deciding when to draw.
     37 class CC_SURFACES_EXPORT Display : public OutputSurfaceClient,
     38                                    public RendererClient,
     39                                    public SurfaceDamageObserver {
     40  public:
     41   Display(DisplayClient* client,
     42           SurfaceManager* manager,
     43           SharedBitmapManager* bitmap_manager);
     44   virtual ~Display();
     45 
     46   void Resize(SurfaceId id, const gfx::Size& new_size);
     47   bool Draw();
     48 
     49   SurfaceId CurrentSurfaceId();
     50   int GetMaxFramesPending();
     51 
     52   // OutputSurfaceClient implementation.
     53   virtual void DeferredInitialize() OVERRIDE {}
     54   virtual void ReleaseGL() OVERRIDE {}
     55   virtual void CommitVSyncParameters(base::TimeTicks timebase,
     56                                      base::TimeDelta interval) OVERRIDE;
     57   virtual void SetNeedsRedrawRect(const gfx::Rect& damage_rect) OVERRIDE {}
     58   virtual void BeginFrame(const BeginFrameArgs& args) OVERRIDE {}
     59   virtual void DidSwapBuffers() OVERRIDE;
     60   virtual void DidSwapBuffersComplete() OVERRIDE;
     61   virtual void ReclaimResources(const CompositorFrameAck* ack) OVERRIDE {}
     62   virtual void DidLoseOutputSurface() OVERRIDE {}
     63   virtual void SetExternalDrawConstraints(
     64       const gfx::Transform& transform,
     65       const gfx::Rect& viewport,
     66       const gfx::Rect& clip,
     67       const gfx::Rect& viewport_rect_for_tile_priority,
     68       const gfx::Transform& transform_for_tile_priority,
     69       bool resourceless_software_draw) OVERRIDE {}
     70   virtual void SetMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE {}
     71   virtual void SetTreeActivationCallback(
     72       const base::Closure& callback) OVERRIDE {}
     73 
     74   // RendererClient implementation.
     75   virtual void SetFullRootLayerDamage() OVERRIDE {}
     76 
     77   // SurfaceDamageObserver implementation.
     78   virtual void OnSurfaceDamaged(SurfaceId surface) OVERRIDE;
     79 
     80  private:
     81   void InitializeOutputSurface();
     82 
     83   DisplayClient* client_;
     84   SurfaceManager* manager_;
     85   SharedBitmapManager* bitmap_manager_;
     86   SurfaceId current_surface_id_;
     87   gfx::Size current_surface_size_;
     88   LayerTreeSettings settings_;
     89   scoped_ptr<OutputSurface> output_surface_;
     90   scoped_ptr<ResourceProvider> resource_provider_;
     91   scoped_ptr<SurfaceAggregator> aggregator_;
     92   scoped_ptr<DirectRenderer> renderer_;
     93   scoped_ptr<BlockingTaskRunner> blocking_main_thread_task_runner_;
     94 
     95   DISALLOW_COPY_AND_ASSIGN(Display);
     96 };
     97 
     98 }  // namespace cc
     99 
    100 #endif  // CC_SURFACES_DISPLAY_H_
    101