| // Copyright 2014 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 CC_BLINK_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_ |
| #define CC_BLINK_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_ |
| |
| #include "base/bind.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/scoped_vector.h" |
| #include "cc/blink/cc_blink_export.h" |
| #include "cc/layers/texture_layer_client.h" |
| #include "third_party/WebKit/public/platform/WebExternalTextureLayer.h" |
| |
| namespace blink { |
| struct WebFloatRect; |
| struct WebExternalTextureMailbox; |
| } |
| |
| namespace cc { |
| class SingleReleaseCallback; |
| class TextureMailbox; |
| } |
| |
| namespace cc_blink { |
| |
| class WebLayerImpl; |
| class WebExternalBitmapImpl; |
| |
| class WebExternalTextureLayerImpl |
| : public blink::WebExternalTextureLayer, |
| public cc::TextureLayerClient, |
| public base::SupportsWeakPtr<WebExternalTextureLayerImpl> { |
| public: |
| CC_BLINK_EXPORT explicit WebExternalTextureLayerImpl( |
| blink::WebExternalTextureLayerClient*); |
| virtual ~WebExternalTextureLayerImpl(); |
| |
| // blink::WebExternalTextureLayer implementation. |
| virtual blink::WebLayer* layer(); |
| virtual void clearTexture(); |
| virtual void setOpaque(bool opaque); |
| virtual void setPremultipliedAlpha(bool premultiplied); |
| virtual void setBlendBackgroundColor(bool blend); |
| virtual void setRateLimitContext(bool rate_limit); |
| virtual void setNearestNeighbor(bool nearest_neighbor); |
| |
| // TextureLayerClient implementation. |
| bool PrepareTextureMailbox( |
| cc::TextureMailbox* mailbox, |
| scoped_ptr<cc::SingleReleaseCallback>* release_callback, |
| bool use_shared_memory) override; |
| |
| private: |
| static void DidReleaseMailbox( |
| base::WeakPtr<WebExternalTextureLayerImpl> layer, |
| const blink::WebExternalTextureMailbox& mailbox, |
| WebExternalBitmapImpl* bitmap, |
| unsigned sync_point, |
| bool lost_resource); |
| |
| WebExternalBitmapImpl* AllocateBitmap(); |
| |
| blink::WebExternalTextureLayerClient* client_; |
| scoped_ptr<WebLayerImpl> layer_; |
| ScopedVector<WebExternalBitmapImpl> free_bitmaps_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebExternalTextureLayerImpl); |
| }; |
| |
| } // namespace cc_blink |
| |
| #endif // CC_BLINK_WEB_EXTERNAL_TEXTURE_LAYER_IMPL_H_ |