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/*
* Copyright (C) 2023 Apple 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 INC. ``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
* 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
#include "RemoteLayerBackingStore.h"
#include <wtf/TZoneMalloc.h>
namespace WebKit {
class RemoteDisplayListRecorderProxy;
class RemoteImageBufferSetProxy;
class RemoteLayerWithRemoteRenderingBackingStore final : public RemoteLayerBackingStore, public ImageBufferSetClient {
WTF_MAKE_TZONE_ALLOCATED(RemoteLayerWithRemoteRenderingBackingStore);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RemoteLayerWithRemoteRenderingBackingStore);
public:
RemoteLayerWithRemoteRenderingBackingStore(PlatformCALayerRemote&);
~RemoteLayerWithRemoteRenderingBackingStore();
bool isRemoteLayerWithRemoteRenderingBackingStore() const final { return true; }
ProcessModel processModel() const final { return ProcessModel::Remote; }
// CheckedPtr interface
uint32_t checkedPtrCount() const final { return CanMakeCheckedPtr::checkedPtrCount(); }
uint32_t checkedPtrCountWithoutThreadCheck() const final { return CanMakeCheckedPtr::checkedPtrCountWithoutThreadCheck(); }
void incrementCheckedPtrCount() const final { CanMakeCheckedPtr::incrementCheckedPtrCount(); }
void decrementCheckedPtrCount() const final { CanMakeCheckedPtr::decrementCheckedPtrCount(); }
void prepareToDisplay() final;
void clearBackingStore() final;
void createContextAndPaintContents() final;
void setNeedsDisplay() final;
RemoteImageBufferSetProxy* bufferSet() { return m_bufferSet.get(); }
std::unique_ptr<ThreadSafeImageBufferSetFlusher> createFlusher(ThreadSafeImageBufferSetFlusher::FlushType) final;
std::optional<ImageBufferBackendHandle> frontBufferHandle() const final { return std::exchange(const_cast<RemoteLayerWithRemoteRenderingBackingStore*>(this)->m_backendHandle, std::nullopt); }
#if ENABLE(RE_DYNAMIC_CONTENT_SCALING)
std::optional<WebCore::DynamicContentScalingDisplayList> displayListHandle() const final;
#endif
void encodeBufferAndBackendInfos(IPC::Encoder&) const final;
std::optional<RemoteImageBufferSetIdentifier> bufferSetIdentifier() const final;
void ensureBackingStore(const Parameters&) final;
bool hasFrontBuffer() const final;
bool frontBufferMayBeVolatile() const final;
void setBufferCacheIdentifiers(BufferIdentifierSet&& identifiers)
{
m_bufferCacheIdentifiers = WTFMove(identifiers);
}
void setBackendHandle(std::optional<ImageBufferBackendHandle>&& backendHandle)
{
m_backendHandle = WTFMove(backendHandle);
}
void dump(WTF::TextStream&) const final;
private:
const RefPtr<RemoteImageBufferSetProxy> m_bufferSet;
BufferIdentifierSet m_bufferCacheIdentifiers;
std::optional<ImageBufferBackendHandle> m_backendHandle;
bool m_cleared { true };
};
} // namespace WebKit
SPECIALIZE_TYPE_TRAITS_BEGIN(WebKit::RemoteLayerWithRemoteRenderingBackingStore)
static bool isType(const WebKit::RemoteLayerBackingStore& backingStore) { return backingStore.isRemoteLayerWithRemoteRenderingBackingStore(); }
SPECIALIZE_TYPE_TRAITS_END()
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