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/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* 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 INC. 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 INC. 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.
*/
#pragma once
#if USE(GRAPHICS_LAYER_WC)
#include "WCContentBufferIdentifier.h"
#include "WCContentBufferManager.h"
#include <WebCore/ProcessIdentifier.h>
#include <WebCore/TextureMapperPlatformLayer.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
class WCContentBuffer final : WebCore::TextureMapperPlatformLayer::Client {
WTF_MAKE_TZONE_ALLOCATED_INLINE(WCContentBuffer);
public:
class Client {
public:
virtual void platformLayerWillBeDestroyed() = 0;
};
WCContentBuffer(WCContentBufferManager& manager, WebCore::ProcessIdentifier processIdentifier, WebCore::TextureMapperPlatformLayer* platformLayer)
: m_manager(manager)
, m_processIdentifier(processIdentifier)
, m_platformLayer(platformLayer)
{
m_platformLayer->setClient(this);
}
~WCContentBuffer()
{
m_platformLayer->setClient(nullptr);
}
void setClient(Client* client)
{
m_client = client;
}
WebCore::TextureMapperPlatformLayer* platformLayer() const
{
return m_platformLayer;
}
WCContentBufferIdentifier identifier()
{
return m_identifier;
}
private:
void platformLayerWillBeDestroyed() override
{
if (m_client)
m_client->platformLayerWillBeDestroyed();
m_manager.removeContentBuffer(m_processIdentifier, *this);
}
void setPlatformLayerNeedsDisplay() override { }
WCContentBufferManager& m_manager;
WebCore::ProcessIdentifier m_processIdentifier;
WCContentBufferIdentifier m_identifier { WCContentBufferIdentifier::generate() };
WebCore::TextureMapperPlatformLayer* m_platformLayer;
Client* m_client { nullptr };
};
} // namespace WebKit
#endif // USE(GRAPHICS_LAYER_WC)
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