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/*
* Copyright (C) 2020 Igalia S.L
* Copyright (C) 2020 Metrological Group B.V.
*
* 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.
*/
#include "config.h"
#include "ImageBufferPipe.h"
#include "GraphicsLayer.h"
#include "GraphicsLayerContentsDisplayDelegate.h"
#include <wtf/Lock.h>
namespace WebCore {
#if !USE(NICOSIA)
class ImageBufferPipeSourceDelegate : public ImageBufferPipe::Source {
public:
ImageBufferPipeSourceDelegate()
{ }
void handle(ImageBuffer& image) final
{
Locker locker { m_lock };
if (m_delegate)
m_delegate->tryCopyToLayer(image);
}
Lock m_lock;
RefPtr<GraphicsLayerAsyncContentsDisplayDelegate> m_delegate WTF_GUARDED_BY_LOCK(m_lock);
};
class ImageBufferPipeDelegate : public ImageBufferPipe {
public:
ImageBufferPipeDelegate()
: m_source(adoptRef(*new ImageBufferPipeSourceDelegate))
{
}
void setContentsToLayer(GraphicsLayer& layer) final
{
Locker locker { m_source->m_lock };
m_source->m_delegate = layer.createAsyncContentsDisplayDelegate(m_source->m_delegate.get());
}
RefPtr<ImageBufferPipe::Source> source() const final
{
return m_source.ptr();
}
Ref<ImageBufferPipeSourceDelegate> m_source;
};
RefPtr<ImageBufferPipe> ImageBufferPipe::create()
{
return adoptRef(new ImageBufferPipeDelegate);
}
#endif
} // namespace WebCore
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