mojo/examples/compositor_app/compositor_host.h

   1 // Copyright 2013 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 MOJO_EXAMPLES_COMPOSITOR_APP_COMPOSITOR_HOST_H_
   6 #define MOJO_EXAMPLES_COMPOSITOR_APP_COMPOSITOR_HOST_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/threading/thread.h"
  11 #include "cc/trees/layer_tree_host_client.h"
  12 #include "mojo/public/cpp/system/core.h"
  13 #include "ui/gfx/size.h"
  14
  15 namespace cc {
  16 class Layer;
  17 class LayerTreeHost;
  18 }  // namespace cc
  19
  20 namespace mojo {
  21 namespace examples {
  22 class GLES2ClientImpl;
  23
  24 class CompositorHost : public cc::LayerTreeHostClient {
  25  public:
  26   explicit CompositorHost(ScopedMessagePipeHandle command_buffer_handle);
  27   virtual ~CompositorHost();
  28
  29   void SetSize(const gfx::Size& viewport_size);
  30
  31   // cc::LayerTreeHostClient implementation.
  32   virtual void WillBeginMainFrame(int frame_id) OVERRIDE;
  33   virtual void DidBeginMainFrame() OVERRIDE;
  34   virtual void BeginMainFrame(const cc::BeginFrameArgs& args) OVERRIDE;
  35   virtual void Layout() OVERRIDE;
  36   virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
  37                                    float page_scale) OVERRIDE;
  38   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
  39       OVERRIDE;
  40   virtual void DidInitializeOutputSurface() OVERRIDE;
  41   virtual void WillCommit() OVERRIDE;
  42   virtual void DidCommit() OVERRIDE;
  43   virtual void DidCommitAndDrawFrame() OVERRIDE;
  44   virtual void DidCompleteSwapBuffers() OVERRIDE;
  45
  46  private:
  47   void SetupScene();
  48
  49   ScopedMessagePipeHandle command_buffer_handle_;
  50   scoped_ptr<cc::LayerTreeHost> tree_;
  51   scoped_refptr<cc::Layer> child_layer_;
  52   base::Thread compositor_thread_;
  53 };
  54
  55 }  // namespace examples
  56 }  // namespace mojo
  57
  58 #endif  // MOJO_EXAMPLES_COMPOSITOR_APP_COMPOSITOR_HOST_H_