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// Copyright (c) 2011 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 UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
#define UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
#pragma once
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "base/memory/ref_counted.h"
#include "ui/gfx/compositor/compositor.h"
#include "ui/gfx/size.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebLayer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebLayerClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebLayerTreeView.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebLayerTreeViewClient.h"
namespace gfx {
class Rect;
class GLContext;
class GLSurface;
class GLShareGroup;
}
namespace ui {
class COMPOSITOR_EXPORT SharedResourcesCC : public SharedResources {
public:
static SharedResourcesCC* GetInstance();
virtual bool MakeSharedContextCurrent();
virtual void* GetDisplay();
gfx::GLShareGroup* GetShareGroup();
private:
friend struct DefaultSingletonTraits<SharedResourcesCC>;
SharedResourcesCC();
virtual ~SharedResourcesCC();
bool Initialize();
void Destroy();
bool initialized_;
scoped_refptr<gfx::GLContext> context_;
scoped_refptr<gfx::GLSurface> surface_;
DISALLOW_COPY_AND_ASSIGN(SharedResourcesCC);
};
class COMPOSITOR_EXPORT TextureCC : public Texture {
public:
TextureCC();
// Texture implementation.
virtual void SetCanvas(const SkCanvas& canvas,
const gfx::Point& origin,
const gfx::Size& overall_size) OVERRIDE;
virtual void Draw(const ui::TextureDrawParams& params,
const gfx::Rect& clip_bounds_in_texture) OVERRIDE;
virtual void Update() = 0;
unsigned int texture_id() const { return texture_id_; }
bool flipped() const { return flipped_; }
protected:
unsigned int texture_id_;
bool flipped_;
DISALLOW_COPY_AND_ASSIGN(TextureCC);
};
class COMPOSITOR_EXPORT CompositorCC : public Compositor,
public WebKit::WebLayerTreeViewClient,
public WebKit::WebLayerClient {
public:
CompositorCC(CompositorDelegate* delegate,
gfx::AcceleratedWidget widget,
const gfx::Size& size);
virtual ~CompositorCC();
static void InitializeThread();
static void TerminateThread();
protected:
// Compositor implementation.
virtual Texture* CreateTexture() OVERRIDE;
virtual void Blur(const gfx::Rect& bounds) OVERRIDE;
virtual void ScheduleDraw() OVERRIDE;
virtual void OnNotifyStart(bool clear) OVERRIDE;
virtual void OnNotifyEnd() OVERRIDE;
virtual void OnWidgetSizeChanged() OVERRIDE;
virtual void OnRootLayerChanged() OVERRIDE;
virtual void DrawTree() OVERRIDE;
// WebLayerTreeViewClient implementation.
virtual void animateAndLayout(double frameBeginTime) OVERRIDE;
virtual void applyScrollDelta(const WebKit::WebSize&) OVERRIDE;
virtual WebKit::WebGraphicsContext3D* createContext3D() OVERRIDE;
virtual void didRebindGraphicsContext(bool success) OVERRIDE;
virtual void scheduleComposite() OVERRIDE;
// WebLayerClient implementation.
virtual void notifyNeedsComposite() OVERRIDE;
private:
gfx::AcceleratedWidget widget_;
WebKit::WebLayer root_web_layer_;
WebKit::WebLayerTreeView host_;
DISALLOW_COPY_AND_ASSIGN(CompositorCC);
};
} // namespace ui
#endif // UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
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