| // Copyright 2010 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 TextureLayerChromium_h |
| #define TextureLayerChromium_h |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| |
| #include "LayerChromium.h" |
| |
| namespace WebKit { |
| class WebGraphicsContext3D; |
| } |
| |
| namespace cc { |
| |
| class TextureLayerChromiumClient; |
| |
| // A Layer containing a the rendered output of a plugin instance. |
| class TextureLayerChromium : public LayerChromium { |
| public: |
| // If this texture layer requires special preparation logic for each frame driven by |
| // the compositor, pass in a non-nil client. Pass in a nil client pointer if texture updates |
| // are driven by an external process. |
| static PassRefPtr<TextureLayerChromium> create(TextureLayerChromiumClient*); |
| virtual ~TextureLayerChromium(); |
| |
| void clearClient() { m_client = 0; } |
| |
| virtual PassOwnPtr<CCLayerImpl> createCCLayerImpl() OVERRIDE; |
| |
| // Sets whether this texture should be Y-flipped at draw time. Defaults to true. |
| void setFlipped(bool); |
| |
| // Sets a UV transform to be used at draw time. Defaults to (0, 0, 1, 1). |
| void setUVRect(const FloatRect&); |
| |
| // Sets whether the alpha channel is premultiplied or unpremultiplied. Defaults to true. |
| void setPremultipliedAlpha(bool); |
| |
| // Sets whether this context should rate limit on damage to prevent too many frames from |
| // being queued up before the compositor gets a chance to run. Requires a non-nil client. |
| // Defaults to false. |
| void setRateLimitContext(bool); |
| |
| // Code path for plugins which supply their own texture ID. |
| void setTextureId(unsigned); |
| |
| void willModifyTexture(); |
| |
| virtual void setNeedsDisplayRect(const FloatRect&) OVERRIDE; |
| |
| virtual void setLayerTreeHost(CCLayerTreeHost*) OVERRIDE; |
| virtual bool drawsContent() const OVERRIDE; |
| virtual void update(CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&) OVERRIDE; |
| virtual void pushPropertiesTo(CCLayerImpl*) OVERRIDE; |
| |
| protected: |
| explicit TextureLayerChromium(TextureLayerChromiumClient*); |
| |
| private: |
| TextureLayerChromiumClient* m_client; |
| |
| bool m_flipped; |
| FloatRect m_uvRect; |
| bool m_premultipliedAlpha; |
| bool m_rateLimitContext; |
| bool m_contextLost; |
| |
| unsigned m_textureId; |
| }; |
| |
| } |
| #endif // USE(ACCELERATED_COMPOSITING) |
| |
| #endif |