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Viewing changes to Source/WebCore/platform/graphics/blackberry/LayerCompositingThreadClient.h

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2013-02-18 14:24:18 UTC
  • Revision ID: package-import@ubuntu.com-20130218142418-eon0jmjg3nj438uy
Tags: upstream-2.3
Import upstream version 2.3

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Source/WebCore/platform/graphics/blackberry/LayerCompositingThreadClient.h
 
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/*
 
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 * Copyright (C) 2012 Research In Motion Limited. All rights reserved.
 
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 *
 
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 * This library is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU Lesser General Public
 
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 * License as published by the Free Software Foundation; either
 
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 * version 2 of the License, or (at your option) any later version.
 
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 *
 
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 * This library is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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 * Lesser General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Lesser General Public
 
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 * License along with this library; if not, write to the Free Software
 
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
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 */
 
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#ifndef LayerCompositingThreadClient_h
 
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#define LayerCompositingThreadClient_h
 
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#if USE(ACCELERATED_COMPOSITING)
 
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namespace WebCore {
 
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class LayerCompositingThread;
 
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class LayerCompositingThreadClient {
 
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public:
 
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    virtual ~LayerCompositingThreadClient() { }
 
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    virtual void layerCompositingThreadDestroyed(LayerCompositingThread*) = 0;
 
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    virtual void layerVisibilityChanged(LayerCompositingThread*, bool visible) = 0;
 
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    virtual void uploadTexturesIfNeeded(LayerCompositingThread*) = 0;
 
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    virtual void drawTextures(LayerCompositingThread*, double scale, int positionLocation, int texCoordLocation) = 0;
 
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    virtual void deleteTextures(LayerCompositingThread*) = 0;
 
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    // Optional. Allows layers to serve as a mask for other layers
 
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    virtual void bindContentsTexture(LayerCompositingThread*) { }
 
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    // Optional. Allows layers to have uncached regions, typically drawn as checkerboard
 
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    virtual bool hasMissingTextures(const LayerCompositingThread*) const { return false; }
 
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    virtual void drawMissingTextures(LayerCompositingThread*, double scale, int positionLocation, int texCoordLocation) { }
 
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    // Unlike the other methods here, this one will be called on the WebKit thread
 
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    virtual void scheduleCommit() { }
 
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};
 
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} // namespace WebCore
 
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#endif // USE(ACCELERATED_COMPOSITING)
 
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#endif