content/browser/renderer_host/compositor_impl_android.h

   1 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/containers/scoped_ptr_hash_map.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "cc/resources/ui_resource_client.h"
  13 #include "cc/trees/layer_tree_host_client.h"
  14 #include "cc/trees/layer_tree_host_single_thread_client.h"
  15 #include "content/browser/renderer_host/image_transport_factory_android.h"
  16 #include "content/common/content_export.h"
  17 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  18 #include "content/public/browser/android/compositor.h"
  19
  20 struct ANativeWindow;
  21
  22 namespace cc {
  23 class InputHandlerClient;
  24 class Layer;
  25 class LayerTreeHost;
  26 class ScopedUIResource;
  27 }
  28
  29 namespace content {
  30 class CompositorClient;
  31 class GraphicsContext;
  32
  33 // -----------------------------------------------------------------------------
  34 // Browser-side compositor that manages a tree of content and UI layers.
  35 // -----------------------------------------------------------------------------
  36 class CONTENT_EXPORT CompositorImpl
  37     : public Compositor,
  38       public cc::LayerTreeHostClient,
  39       public cc::LayerTreeHostSingleThreadClient,
  40       public ImageTransportFactoryAndroidObserver {
  41  public:
  42   CompositorImpl(CompositorClient* client, gfx::NativeWindow root_window);
  43   virtual ~CompositorImpl();
  44
  45   static bool IsInitialized();
  46
  47   // Returns the Java Surface object for a given view surface id.
  48   static jobject GetSurface(int surface_id);
  49
  50   // Compositor implementation.
  51   virtual void SetRootLayer(scoped_refptr<cc::Layer> root) OVERRIDE;
  52   virtual void SetWindowSurface(ANativeWindow* window) OVERRIDE;
  53   virtual void SetSurface(jobject surface) OVERRIDE;
  54   virtual void SetVisible(bool visible) OVERRIDE;
  55   virtual void setDeviceScaleFactor(float factor) OVERRIDE;
  56   virtual void SetWindowBounds(const gfx::Size& size) OVERRIDE;
  57   virtual bool CompositeAndReadback(
  58       void *pixels, const gfx::Rect& rect) OVERRIDE;
  59   virtual void Composite() OVERRIDE;
  60   virtual cc::UIResourceId GenerateUIResource(
  61       const cc::UIResourceBitmap& bitmap) OVERRIDE;
  62   virtual void DeleteUIResource(cc::UIResourceId resource_id) OVERRIDE;
  63   virtual blink::WebGLId GenerateTexture(gfx::JavaBitmap& bitmap) OVERRIDE;
  64   virtual blink::WebGLId GenerateCompressedTexture(
  65       gfx::Size& size, int data_size, void* data) OVERRIDE;
  66   virtual void DeleteTexture(blink::WebGLId texture_id) OVERRIDE;
  67   virtual bool CopyTextureToBitmap(blink::WebGLId texture_id,
  68                                    gfx::JavaBitmap& bitmap) OVERRIDE;
  69   virtual bool CopyTextureToBitmap(blink::WebGLId texture_id,
  70                                    const gfx::Rect& sub_rect,
  71                                    gfx::JavaBitmap& bitmap) OVERRIDE;
  72
  73   // LayerTreeHostClient implementation.
  74   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
  75   virtual void DidBeginMainFrame() OVERRIDE {}
  76   virtual void Animate(double frame_begin_time) OVERRIDE {}
  77   virtual void Layout() OVERRIDE {}
  78   virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta,
  79                                    float page_scale) OVERRIDE {}
  80   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
  81       OVERRIDE;
  82   virtual void DidInitializeOutputSurface(bool success) OVERRIDE {}
  83   virtual void WillCommit() OVERRIDE {}
  84   virtual void DidCommit() OVERRIDE;
  85   virtual void DidCommitAndDrawFrame() OVERRIDE {}
  86   virtual void DidCompleteSwapBuffers() OVERRIDE;
  87   virtual scoped_refptr<cc::ContextProvider>
  88       OffscreenContextProvider() OVERRIDE;
  89
  90   // LayerTreeHostSingleThreadClient implementation.
  91   virtual void ScheduleComposite() OVERRIDE;
  92   virtual void ScheduleAnimation() OVERRIDE;
  93   virtual void DidPostSwapBuffers() OVERRIDE;
  94   virtual void DidAbortSwapBuffers() OVERRIDE;
  95
  96   // ImageTransportFactoryAndroidObserver implementation.
  97   virtual void OnLostResources() OVERRIDE;
  98
  99  private:
 100   blink::WebGLId BuildBasicTexture();
 101   blink::WGC3Denum GetGLFormatForBitmap(gfx::JavaBitmap& bitmap);
 102   blink::WGC3Denum GetGLTypeForBitmap(gfx::JavaBitmap& bitmap);
 103
 104   scoped_refptr<cc::Layer> root_layer_;
 105   scoped_ptr<cc::LayerTreeHost> host_;
 106
 107   gfx::Size size_;
 108   bool has_transparent_background_;
 109
 110   ANativeWindow* window_;
 111   int surface_id_;
 112
 113   CompositorClient* client_;
 114
 115   scoped_refptr<cc::ContextProvider> null_offscreen_context_provider_;
 116
 117   typedef base::ScopedPtrHashMap<cc::UIResourceId, cc::ScopedUIResource>
 118         UIResourceMap;
 119   UIResourceMap ui_resource_map_;
 120
 121   gfx::NativeWindow root_window_;
 122
 123   DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
 124 };
 125
 126 } // namespace content
 127
 128 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_