components/view_manager/surfaces/top_level_display_client.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_VIEW_MANAGER_SURFACES_DISPLAY_IMPL_H_
   6 #define COMPONENTS_VIEW_MANAGER_SURFACES_DISPLAY_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/surfaces/display_client.h"
  10 #include "cc/surfaces/surface_factory.h"
  11 #include "cc/surfaces/surface_factory_client.h"
  12 #include "components/view_manager/surfaces/surfaces_context_provider.h"
  13 #include "components/view_manager/surfaces/surfaces_context_provider_delegate.h"
  14 #include "components/view_manager/surfaces/surfaces_state.h"
  15 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
  16 #include "ui/gfx/native_widget_types.h"
  17
  18 namespace cc {
  19 class Display;
  20 class SurfaceFactory;
  21 }
  22
  23 namespace gles2 {
  24 class GpuState;
  25 }
  26
  27 namespace surfaces {
  28
  29 class DisplayDelegate;
  30 class SurfacesScheduler;
  31 class SurfacesState;
  32
  33 // A TopLevelDisplayClient manages the top level surface that is rendered into a
  34 // provided AcceleratedWidget. Frames are submitted here. New frames are
  35 // scheduled to be generated here based on VSync.
  36 class TopLevelDisplayClient
  37     : public cc::DisplayClient,
  38       public cc::SurfaceFactoryClient,
  39       public surfaces::SurfacesContextProviderDelegate {
  40  public:
  41   TopLevelDisplayClient(gfx::AcceleratedWidget widget,
  42                         const scoped_refptr<gles2::GpuState>& gpu_state,
  43                         const scoped_refptr<SurfacesState>& surfaces_state);
  44   ~TopLevelDisplayClient() override;
  45
  46   void SubmitCompositorFrame(scoped_ptr<cc::CompositorFrame> frame,
  47                              const base::Closure& callback);
  48
  49  private:
  50   // DisplayClient implementation.
  51   // TODO(rjkroege, fsamuel): This won't work correctly with multiple displays.
  52   void CommitVSyncParameters(base::TimeTicks timebase,
  53                              base::TimeDelta interval) override;
  54   void OutputSurfaceLost() override;
  55   void SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override;
  56
  57   // SurfacesContextProviderDelegate:
  58   void OnContextCreated();
  59   void OnVSyncParametersUpdated(int64_t timebase, int64_t interval) override;
  60
  61   // SurfaceFactoryClient implementation.
  62   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
  63
  64   void Draw();
  65
  66   scoped_refptr<gles2::GpuState> gpu_state_;
  67   scoped_refptr<SurfacesState> surfaces_state_;
  68   cc::SurfaceFactory factory_;
  69   cc::SurfaceId cc_id_;
  70
  71   gfx::Size last_submitted_frame_size_;
  72   scoped_ptr<cc::CompositorFrame> pending_frame_;
  73   base::Closure pending_callback_;
  74
  75   scoped_ptr<cc::Display> display_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(TopLevelDisplayClient);
  78 };
  79
  80 }  // namespace surfaces
  81
  82 #endif  // COMPONENTS_VIEW_MANAGER_SURFACES_DISPLAY_IMPL_H_