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.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
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/public/browser/android/compositor.h"
18 #include "third_party/khronos/GLES2/gl2.h"
24 class InputHandlerClient;
30 class CompositorClient;
31 class GraphicsContext;
33 // -----------------------------------------------------------------------------
34 // Browser-side compositor that manages a tree of content and UI layers.
35 // -----------------------------------------------------------------------------
36 class CONTENT_EXPORT CompositorImpl
38 public cc::LayerTreeHostClient,
39 public cc::LayerTreeHostSingleThreadClient,
40 public ImageTransportFactoryAndroidObserver {
42 CompositorImpl(CompositorClient* client, gfx::NativeWindow root_window);
43 virtual ~CompositorImpl();
45 static bool IsInitialized();
47 // Returns the Java Surface object for a given view surface id.
48 static jobject GetSurface(int surface_id);
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 void SetHasTransparentBackground(bool flag) OVERRIDE;
58 virtual bool CompositeAndReadback(
59 void *pixels, const gfx::Rect& rect) OVERRIDE;
60 virtual void Composite() OVERRIDE;
61 virtual cc::UIResourceId GenerateUIResource(const SkBitmap& bitmap,
62 bool is_transient) OVERRIDE;
63 virtual cc::UIResourceId GenerateCompressedUIResource(const gfx::Size& size,
67 virtual void DeleteUIResource(cc::UIResourceId resource_id) OVERRIDE;
69 // LayerTreeHostClient implementation.
70 virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
71 virtual void DidBeginMainFrame() OVERRIDE {}
72 virtual void Animate(base::TimeTicks frame_begin_time) OVERRIDE {}
73 virtual void Layout() OVERRIDE {}
74 virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
75 float page_scale) OVERRIDE {}
76 virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
78 virtual void DidInitializeOutputSurface(bool success) OVERRIDE {}
79 virtual void WillCommit() OVERRIDE {}
80 virtual void DidCommit() OVERRIDE;
81 virtual void DidCommitAndDrawFrame() OVERRIDE {}
82 virtual void DidCompleteSwapBuffers() OVERRIDE;
83 virtual scoped_refptr<cc::ContextProvider>
84 OffscreenContextProvider() OVERRIDE;
86 // LayerTreeHostSingleThreadClient implementation.
87 virtual void ScheduleComposite() OVERRIDE;
88 virtual void ScheduleAnimation() OVERRIDE;
89 virtual void DidPostSwapBuffers() OVERRIDE;
90 virtual void DidAbortSwapBuffers() OVERRIDE;
92 // ImageTransportFactoryAndroidObserver implementation.
93 virtual void OnLostResources() OVERRIDE;
96 cc::UIResourceId GenerateUIResourceFromUIResourceBitmap(
97 const cc::UIResourceBitmap& bitmap,
100 scoped_refptr<cc::Layer> root_layer_;
101 scoped_ptr<cc::LayerTreeHost> host_;
104 bool has_transparent_background_;
105 float device_scale_factor_;
107 ANativeWindow* window_;
110 CompositorClient* client_;
112 scoped_refptr<cc::ContextProvider> null_offscreen_context_provider_;
114 typedef base::ScopedPtrHashMap<cc::UIResourceId, cc::UIResourceClient>
116 UIResourceMap ui_resource_map_;
118 gfx::NativeWindow root_window_;
120 DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
123 } // namespace content
125 #endif // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_