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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CCTextureUpdater_h
#define CCTextureUpdater_h
#include "IntRect.h"
#include "LayerTextureUpdater.h"
#include <wtf/Vector.h>
namespace WebCore {
class CCResourceProvider;
class TextureCopier;
class TextureUploader;
class CCTextureUpdater {
public:
CCTextureUpdater();
~CCTextureUpdater();
void appendFullUpdate(LayerTextureUpdater::Texture*, const IntRect& sourceRect, const IntRect& destRect);
void appendPartialUpdate(LayerTextureUpdater::Texture*, const IntRect& sourceRect, const IntRect& destRect);
void appendCopy(unsigned sourceTexture, unsigned destTexture, const IntSize&);
bool hasMoreUpdates() const;
// Update some textures.
void update(CCResourceProvider*, TextureCopier*, TextureUploader*, size_t count);
void clear();
private:
struct UpdateEntry {
LayerTextureUpdater::Texture* texture;
IntRect sourceRect;
IntRect destRect;
};
struct CopyEntry {
IntSize size;
unsigned sourceTexture;
unsigned destTexture;
};
static void appendUpdate(LayerTextureUpdater::Texture*, const IntRect& sourceRect, const IntRect& destRect, Vector<UpdateEntry>&);
size_t m_entryIndex;
Vector<UpdateEntry> m_fullEntries;
Vector<UpdateEntry> m_partialEntries;
Vector<CopyEntry> m_copyEntries;
};
}
#endif // CCTextureUpdater_h
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