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/*
* Copyright (C) 2020-2023 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
#if ENABLE(GPU_PROCESS)
#include "RenderingUpdateID.h"
#include <WebCore/RenderingResource.h>
#include <wtf/HashMap.h>
namespace WebCore {
class DecomposedGlyphs;
class Filter;
class Font;
class Gradient;
class ImageBuffer;
class NativeImage;
struct FontCustomPlatformData;
}
namespace WebKit {
class RemoteImageBufferProxy;
class RemoteRenderingBackendProxy;
class RemoteResourceCacheProxy : public WebCore::RenderingResource::Observer {
public:
RemoteResourceCacheProxy(RemoteRenderingBackendProxy&);
~RemoteResourceCacheProxy();
void cacheImageBuffer(RemoteImageBufferProxy&);
RefPtr<RemoteImageBufferProxy> cachedImageBuffer(WebCore::RenderingResourceIdentifier) const;
void releaseImageBuffer(RemoteImageBufferProxy&);
void forgetImageBuffer(WebCore::RenderingResourceIdentifier);
WebCore::NativeImage* cachedNativeImage(WebCore::RenderingResourceIdentifier) const;
void recordNativeImageUse(WebCore::NativeImage&);
void recordFontUse(WebCore::Font&);
void recordImageBufferUse(WebCore::ImageBuffer&);
void recordDecomposedGlyphsUse(WebCore::DecomposedGlyphs&);
void recordGradientUse(WebCore::Gradient&);
void recordFilterUse(WebCore::Filter&);
void recordFontCustomPlatformDataUse(const WebCore::FontCustomPlatformData&);
void didPaintLayers();
void remoteResourceCacheWasDestroyed();
void releaseMemory();
void releaseAllImageResources();
unsigned imagesCount() const;
void clear();
private:
using ImageBufferHashMap = HashMap<WebCore::RenderingResourceIdentifier, ThreadSafeWeakPtr<RemoteImageBufferProxy>>;
using RenderingResourceHashMap = HashMap<WebCore::RenderingResourceIdentifier, ThreadSafeWeakPtr<WebCore::RenderingResource>>;
using FontHashMap = HashMap<WebCore::RenderingResourceIdentifier, uint64_t>;
void releaseRenderingResource(WebCore::RenderingResourceIdentifier) override;
void clearRenderingResourceMap();
void clearNativeImageMap();
void finalizeRenderingUpdateForFonts();
void prepareForNextRenderingUpdate();
void clearFontMap();
void clearFontCustomPlatformDataMap();
void clearImageBufferBackends();
ImageBufferHashMap m_imageBuffers;
RenderingResourceHashMap m_renderingResources;
FontHashMap m_fonts;
FontHashMap m_fontCustomPlatformDatas;
unsigned m_numberOfFontsUsedInCurrentRenderingUpdate { 0 };
unsigned m_numberOfFontCustomPlatformDatasUsedInCurrentRenderingUpdate { 0 };
RemoteRenderingBackendProxy& m_remoteRenderingBackendProxy;
uint64_t m_renderingUpdateID;
};
} // namespace WebKit
#endif // ENABLE(GPU_PROCESS)
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