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73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_VIEWER_CC_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_
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#define SKY_VIEWER_CC_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_
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#include "base/bind.h"
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#include "base/memory/scoped_ptr.h"
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#include "base/memory/scoped_vector.h"
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#include "sky/viewer/cc/sky_viewer_cc_export.h"
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#include "cc/layers/texture_layer_client.h"
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#include "sky/engine/public/platform/WebExternalTextureLayer.h"
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namespace blink {
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struct WebFloatRect;
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struct WebExternalTextureMailbox;
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}
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namespace cc {
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class SingleReleaseCallback;
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class TextureMailbox;
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}
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namespace sky_viewer_cc {
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class WebLayerImpl;
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class WebExternalBitmapImpl;
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class WebExternalTextureLayerImpl
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: public blink::WebExternalTextureLayer,
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public cc::TextureLayerClient,
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public base::SupportsWeakPtr<WebExternalTextureLayerImpl> {
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public:
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SKY_VIEWER_CC_EXPORT explicit WebExternalTextureLayerImpl(
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blink::WebExternalTextureLayerClient*);
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virtual ~WebExternalTextureLayerImpl();
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// blink::WebExternalTextureLayer implementation.
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virtual blink::WebLayer* layer();
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virtual void clearTexture();
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virtual void setOpaque(bool opaque);
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virtual void setPremultipliedAlpha(bool premultiplied);
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virtual void setBlendBackgroundColor(bool blend);
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virtual void setRateLimitContext(bool rate_limit);
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// TextureLayerClient implementation.
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virtual bool PrepareTextureMailbox(
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cc::TextureMailbox* mailbox,
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scoped_ptr<cc::SingleReleaseCallback>* release_callback,
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bool use_shared_memory) override;
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private:
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static void DidReleaseMailbox(
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base::WeakPtr<WebExternalTextureLayerImpl> layer,
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const blink::WebExternalTextureMailbox& mailbox,
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WebExternalBitmapImpl* bitmap,
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unsigned sync_point,
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bool lost_resource);
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WebExternalBitmapImpl* AllocateBitmap();
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blink::WebExternalTextureLayerClient* client_;
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scoped_ptr<WebLayerImpl> layer_;
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ScopedVector<WebExternalBitmapImpl> free_bitmaps_;
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DISALLOW_COPY_AND_ASSIGN(WebExternalTextureLayerImpl);
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};
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} // namespace sky_viewer_cc
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#endif // SKY_VIEWER_CC_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_
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