Source/WebKit/GPUProcess/graphics/RemoteResourceCache.h

/*
 * Copyright (C) 2020-2022 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
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 */

#pragma once

#if ENABLE(GPU_PROCESS)

#include "QualifiedRenderingResourceIdentifier.h"
#include "QualifiedResourceHeap.h"
#include <WebCore/ProcessIdentifier.h>

namespace WebKit {

class RemoteRenderingBackend;

class RemoteResourceCache {
public:
    RemoteResourceCache(WebCore::ProcessIdentifier webProcessIdentifier);

    void cacheImageBuffer(Ref<WebCore::ImageBuffer>&&, QualifiedRenderingResourceIdentifier);
    void cacheNativeImage(Ref<WebCore::NativeImage>&&, QualifiedRenderingResourceIdentifier);
    void cacheFont(Ref<WebCore::Font>&&, QualifiedRenderingResourceIdentifier);
    void cacheDecomposedGlyphs(Ref<WebCore::DecomposedGlyphs>&&, QualifiedRenderingResourceIdentifier);

    WebCore::ImageBuffer* cachedImageBuffer(QualifiedRenderingResourceIdentifier) const;
    WebCore::NativeImage* cachedNativeImage(QualifiedRenderingResourceIdentifier) const;
    WebCore::Font* cachedFont(QualifiedRenderingResourceIdentifier) const;
    WebCore::DecomposedGlyphs* cachedDecomposedGlyphs(QualifiedRenderingResourceIdentifier) const;

    std::optional<WebCore::SourceImage> cachedSourceImage(QualifiedRenderingResourceIdentifier) const;

    void deleteAllFonts();
    bool releaseRemoteResource(QualifiedRenderingResourceIdentifier);

private:
    QualifiedResourceHeap m_resourceHeap;
};

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)