ImageBufferShareableMappedIOSurfaceBackend.h   [plain text]

/*
 * Copyright (C) 2020 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,
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#pragma once

#if ENABLE(GPU_PROCESS) && HAVE(IOSURFACE)

#include "ImageBufferBackendHandle.h"
#include <WebCore/ImageBufferIOSurfaceBackend.h>
#include <wtf/IsoMalloc.h>

namespace WebKit {

class ShareableBitmap;

class ImageBufferShareableMappedIOSurfaceBackend final : public WebCore::ImageBufferIOSurfaceBackend {
    WTF_MAKE_ISO_ALLOCATED(ImageBufferShareableMappedIOSurfaceBackend);
    WTF_MAKE_NONCOPYABLE(ImageBufferShareableMappedIOSurfaceBackend);
public:
    static std::unique_ptr<ImageBufferShareableMappedIOSurfaceBackend> create(const Parameters&, const WebCore::HostWindow*);
    static std::unique_ptr<ImageBufferShareableMappedIOSurfaceBackend> create(const Parameters&, ImageBufferBackendHandle);

    using WebCore::ImageBufferIOSurfaceBackend::ImageBufferIOSurfaceBackend;

    ImageBufferBackendHandle createImageBufferBackendHandle() const;
};

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS) && HAVE(IOSURFACE)