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// Copyright 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 BitmapSkPictureCanvasLayerTextureUpdater_h
#define BitmapSkPictureCanvasLayerTextureUpdater_h
#if USE(ACCELERATED_COMPOSITING)
#include "SkBitmap.h"
#include "SkPictureCanvasLayerTextureUpdater.h"
namespace cc {
// This class records the contentRect into an SkPicture, then software rasterizes
// the SkPicture into bitmaps for each tile. This implements CCSettings::perTilePainting.
class BitmapSkPictureCanvasLayerTextureUpdater : public SkPictureCanvasLayerTextureUpdater {
public:
class Texture : public CanvasLayerTextureUpdater::Texture {
public:
Texture(BitmapSkPictureCanvasLayerTextureUpdater*, PassOwnPtr<CCPrioritizedTexture>);
virtual void prepareRect(const IntRect& sourceRect, CCRenderingStats&) OVERRIDE;
virtual void updateRect(CCResourceProvider*, const IntRect& sourceRect, const IntSize& destOffset) OVERRIDE;
private:
BitmapSkPictureCanvasLayerTextureUpdater* textureUpdater() { return m_textureUpdater; }
SkBitmap m_bitmap;
BitmapSkPictureCanvasLayerTextureUpdater* m_textureUpdater;
};
static PassRefPtr<BitmapSkPictureCanvasLayerTextureUpdater> create(PassOwnPtr<LayerPainterChromium>);
virtual ~BitmapSkPictureCanvasLayerTextureUpdater();
virtual PassOwnPtr<LayerTextureUpdater::Texture> createTexture(CCPrioritizedTextureManager*) OVERRIDE;
virtual SampledTexelFormat sampledTexelFormat(GC3Denum textureFormat) OVERRIDE;
void paintContentsRect(SkCanvas*, const IntRect& sourceRect, CCRenderingStats&);
private:
explicit BitmapSkPictureCanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>);
};
} // namespace cc
#endif // USE(ACCELERATED_COMPOSITING)
#endif // BitmapSkPictureCanvasLayerTextureUpdater_h
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