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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. 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 ENABLE(RE_DYNAMIC_CONTENT_SCALING)
#include <WebCore/ImageBuffer.h>
#include <WebCore/ImageBufferCGBackend.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class BifurcatedGraphicsContext;
class DynamicContentScalingDisplayList;
}
namespace WebKit {
class DynamicContentScalingImageBufferBackend;
// Ideally this would be a generic "BifurcatedImageBuffer", but it is
// currently insufficiently general (e.g. needs to support bifurcating
// the context flush, etc.).
class DynamicContentScalingBifurcatedImageBuffer : public WebCore::ImageBuffer {
WTF_MAKE_TZONE_ALLOCATED(DynamicContentScalingBifurcatedImageBuffer);
public:
DynamicContentScalingBifurcatedImageBuffer(WebCore::ImageBufferParameters, const WebCore::ImageBufferBackend::Info&, const WebCore::ImageBufferCreationContext&, std::unique_ptr<WebCore::ImageBufferBackend>&& = nullptr, WebCore::RenderingResourceIdentifier = WebCore::RenderingResourceIdentifier::generate());
WebCore::GraphicsContext& context() const final;
protected:
std::optional<WebCore::DynamicContentScalingDisplayList> dynamicContentScalingDisplayList() final;
void releaseGraphicsContext() final;
mutable std::unique_ptr<WebCore::BifurcatedGraphicsContext> m_context;
std::unique_ptr<DynamicContentScalingImageBufferBackend> m_dynamicContentScalingBackend;
};
}
#endif // ENABLE(RE_DYNAMIC_CONTENT_SCALING)
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