1 files changed, 75 insertions, 1 deletions
diff --git a/cc/texture_layer.h b/cc/texture_layer.h
index 638cbb2..124f845 100644
--- a/cc/texture_layer.h
+++ b/cc/texture_layer.h
@@ -1,3 +1,77 @@
-// Copyright 2012 The Chromium Authors. All rights reserved.
+// 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 scoped_refptr<TextureLayerChromium> create(TextureLayerChromiumClient*);
+
+    void clearClient() { m_client = 0; }
+
+    virtual scoped_ptr<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*);
+    virtual ~TextureLayerChromium();
+
+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