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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
#define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "cc/trees/layer_tree_host_client.h"
#include "content/common/content_export.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/public/browser/android/compositor.h"
struct ANativeWindow;
namespace cc {
class InputHandlerClient;
class Layer;
class LayerTreeHost;
}
namespace content {
class GraphicsContext;
// -----------------------------------------------------------------------------
// Browser-side compositor that manages a tree of content and UI layers.
// -----------------------------------------------------------------------------
class CONTENT_EXPORT CompositorImpl
: public Compositor,
public cc::LayerTreeHostClient,
public WebGraphicsContext3DSwapBuffersClient {
public:
explicit CompositorImpl(Compositor::Client* client);
virtual ~CompositorImpl();
static bool IsInitialized();
static bool IsThreadingEnabled();
// Returns true if initialized with DIRECT_CONTEXT_ON_DRAW_THREAD.
static bool UsesDirectGL();
// Returns the Java Surface object for a given view surface id.
static jobject GetSurface(int surface_id);
// Compositor implementation.
virtual void SetRootLayer(scoped_refptr<cc::Layer> root) OVERRIDE;
virtual void SetWindowSurface(ANativeWindow* window) OVERRIDE;
virtual void SetSurface(jobject surface) OVERRIDE;
virtual void SetVisible(bool visible) OVERRIDE;
virtual void setDeviceScaleFactor(float factor) OVERRIDE;
virtual void SetWindowBounds(const gfx::Size& size) OVERRIDE;
virtual void SetHasTransparentBackground(bool flag) OVERRIDE;
virtual bool CompositeAndReadback(
void *pixels, const gfx::Rect& rect) OVERRIDE;
virtual void SetNeedsRedraw() OVERRIDE;
virtual void Composite() OVERRIDE;
virtual WebKit::WebGLId GenerateTexture(gfx::JavaBitmap& bitmap) OVERRIDE;
virtual WebKit::WebGLId GenerateCompressedTexture(
gfx::Size& size, int data_size, void* data) OVERRIDE;
virtual void DeleteTexture(WebKit::WebGLId texture_id) OVERRIDE;
virtual bool CopyTextureToBitmap(WebKit::WebGLId texture_id,
gfx::JavaBitmap& bitmap) OVERRIDE;
virtual bool CopyTextureToBitmap(WebKit::WebGLId texture_id,
const gfx::Rect& sub_rect,
gfx::JavaBitmap& bitmap) OVERRIDE;
// LayerTreeHostClient implementation.
virtual void WillBeginFrame() OVERRIDE {}
virtual void DidBeginFrame() OVERRIDE {}
virtual void Animate(double frame_begin_time) OVERRIDE {}
virtual void Layout() OVERRIDE {}
virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta,
float page_scale) OVERRIDE {}
virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface() OVERRIDE;
virtual void DidInitializeOutputSurface(bool success) OVERRIDE {}
virtual void WillCommit() OVERRIDE {}
virtual void DidCommit() OVERRIDE {}
virtual void DidCommitAndDrawFrame() OVERRIDE {}
virtual void DidCompleteSwapBuffers() OVERRIDE;
virtual void ScheduleComposite() OVERRIDE;
virtual scoped_refptr<cc::ContextProvider>
OffscreenContextProviderForMainThread() OVERRIDE;
virtual scoped_refptr<cc::ContextProvider>
OffscreenContextProviderForCompositorThread() OVERRIDE;
// WebGraphicsContext3DSwapBuffersClient implementation.
virtual void OnViewContextSwapBuffersPosted() OVERRIDE;
virtual void OnViewContextSwapBuffersComplete() OVERRIDE;
virtual void OnViewContextSwapBuffersAborted() OVERRIDE;
private:
WebKit::WebGLId BuildBasicTexture();
WebKit::WGC3Denum GetGLFormatForBitmap(gfx::JavaBitmap& bitmap);
WebKit::WGC3Denum GetGLTypeForBitmap(gfx::JavaBitmap& bitmap);
scoped_refptr<cc::Layer> root_layer_;
scoped_ptr<cc::LayerTreeHost> host_;
gfx::Size size_;
bool has_transparent_background_;
ANativeWindow* window_;
int surface_id_;
Compositor::Client* client_;
base::WeakPtrFactory<CompositorImpl> weak_factory_;
scoped_refptr<cc::ContextProvider> null_offscreen_context_provider_;
DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
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