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// Copyright 2012 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 CCTextureUpdateController_h
#define CCTextureUpdateController_h
#include "CCTextureUpdateQueue.h"
#include "CCTimer.h"
#include <wtf/Noncopyable.h>
#include <wtf/OwnPtr.h>
namespace WebCore {
class TextureCopier;
class TextureUploader;
class CCTextureUpdateController : public CCTimerClient {
WTF_MAKE_NONCOPYABLE(CCTextureUpdateController);
public:
static PassOwnPtr<CCTextureUpdateController> create(CCThread* thread, PassOwnPtr<CCTextureUpdateQueue> queue, CCResourceProvider* resourceProvider, TextureCopier* copier, TextureUploader* uploader)
{
return adoptPtr(new CCTextureUpdateController(thread, queue, resourceProvider, copier, uploader));
}
static size_t maxPartialTextureUpdates();
static void updateTextures(CCResourceProvider*, TextureCopier*, TextureUploader*, CCTextureUpdateQueue*, size_t count);
virtual ~CCTextureUpdateController();
bool hasMoreUpdates() const;
void updateMoreTextures(double monotonicTimeLimit);
// CCTimerClient implementation.
virtual void onTimerFired() OVERRIDE;
// Virtual for testing.
virtual double monotonicTimeNow() const;
virtual double updateMoreTexturesTime() const;
virtual size_t updateMoreTexturesSize() const;
protected:
CCTextureUpdateController(CCThread*, PassOwnPtr<CCTextureUpdateQueue>, CCResourceProvider*, TextureCopier*, TextureUploader*);
void updateMoreTexturesIfEnoughTimeRemaining();
void updateMoreTexturesNow();
OwnPtr<CCTimer> m_timer;
OwnPtr<CCTextureUpdateQueue> m_queue;
bool m_contentsTexturesPurged;
CCResourceProvider* m_resourceProvider;
TextureCopier* m_copier;
TextureUploader* m_uploader;
double m_monotonicTimeLimit;
bool m_firstUpdateAttempt;
};
}
#endif // CCTextureUpdateController_h
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