Source/WebKit/GPUProcess/graphics/RemoteResourceCache.cpp

/*
 * Copyright (C) 2020-2022 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
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 * 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
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#include "config.h"
#include "RemoteResourceCache.h"

#if ENABLE(GPU_PROCESS)

namespace WebKit {
using namespace WebCore;

RemoteResourceCache::RemoteResourceCache(ProcessIdentifier webProcessIdentifier)
    : m_resourceHeap(webProcessIdentifier)
{
}

void RemoteResourceCache::cacheImageBuffer(Ref<ImageBuffer>&& imageBuffer, QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
{
    ASSERT(renderingResourceIdentifier.object() == imageBuffer->renderingResourceIdentifier());
    m_resourceHeap.add(renderingResourceIdentifier, WTFMove(imageBuffer));
}

ImageBuffer* RemoteResourceCache::cachedImageBuffer(QualifiedRenderingResourceIdentifier renderingResourceIdentifier) const
{
    return m_resourceHeap.getImageBuffer(renderingResourceIdentifier);
}

void RemoteResourceCache::cacheNativeImage(Ref<NativeImage>&& image, QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
{
    ASSERT(renderingResourceIdentifier.object() == image->renderingResourceIdentifier());
    m_resourceHeap.add(renderingResourceIdentifier, WTFMove(image));
}

void RemoteResourceCache::cacheDecomposedGlyphs(Ref<DecomposedGlyphs>&& decomposedGlyphs, QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
{
    ASSERT(renderingResourceIdentifier.object() == decomposedGlyphs->renderingResourceIdentifier());
    m_resourceHeap.add(renderingResourceIdentifier, WTFMove(decomposedGlyphs));
}

NativeImage* RemoteResourceCache::cachedNativeImage(QualifiedRenderingResourceIdentifier renderingResourceIdentifier) const
{
    return m_resourceHeap.getNativeImage(renderingResourceIdentifier);
}

std::optional<WebCore::SourceImage> RemoteResourceCache::cachedSourceImage(QualifiedRenderingResourceIdentifier renderingResourceIdentifier) const
{
    return m_resourceHeap.getSourceImage(renderingResourceIdentifier);
}

void RemoteResourceCache::cacheFont(Ref<Font>&& font, QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
{
    ASSERT(renderingResourceIdentifier.object() == font->renderingResourceIdentifier());
    m_resourceHeap.add(renderingResourceIdentifier, WTFMove(font));
}

Font* RemoteResourceCache::cachedFont(QualifiedRenderingResourceIdentifier renderingResourceIdentifier) const
{
    return m_resourceHeap.getFont(renderingResourceIdentifier);
}

DecomposedGlyphs* RemoteResourceCache::cachedDecomposedGlyphs(QualifiedRenderingResourceIdentifier renderingResourceIdentifier) const
{
    return m_resourceHeap.getDecomposedGlyphs(renderingResourceIdentifier);
}

void RemoteResourceCache::deleteAllFonts()
{
    m_resourceHeap.deleteAllFonts();
}

bool RemoteResourceCache::releaseRemoteResource(QualifiedRenderingResourceIdentifier renderingResourceIdentifier)
{
    if (m_resourceHeap.removeImageBuffer(renderingResourceIdentifier)
        || m_resourceHeap.removeNativeImage(renderingResourceIdentifier)
        || m_resourceHeap.removeFont(renderingResourceIdentifier)
        || m_resourceHeap.removeDecomposedGlyphs(renderingResourceIdentifier))
        return true;

    // Caching the remote resource should have happened before releasing it.
    return false;
}

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)