/*
 * Copyright (C) 2021-2023 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

#include <WebCore/AlphaPremultiplication.h>

#include <optional>
#include <wtf/CompletionHandler.h>
#include <wtf/Function.h>
#include <wtf/Platform.h>
#include <wtf/Ref.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>

#if PLATFORM(COCOA)
#include <wtf/MachSendRight.h>
#include <wtf/Vector.h>
#endif

namespace WebCore {
class DestinationColorSpace;
class ImageBuffer;
class NativeImage;
}

namespace WebCore::WebGPU {

class Device;

enum class TextureFormat : uint8_t;

class CompositorIntegration : public RefCountedAndCanMakeWeakPtr<CompositorIntegration> {
public:
    virtual ~CompositorIntegration() = default;

#if PLATFORM(COCOA)
    virtual Vector<MachSendRight> recreateRenderBuffers(int width, int height, WebCore::DestinationColorSpace&&, WebCore::AlphaPremultiplication, WebCore::WebGPU::TextureFormat, unsigned bufferCount, Device&) = 0;
#endif

    virtual void prepareForDisplay(uint32_t frameIndex, CompletionHandler<void()>&&) = 0;
    virtual void withDisplayBufferAsNativeImage(uint32_t bufferIndex, Function<void(WebCore::NativeImage*)>) = 0;
    virtual void paintCompositedResultsToCanvas(WebCore::ImageBuffer&, uint32_t bufferIndex) = 0;
    virtual void updateContentsHeadroom(float) = 0;
    virtual bool isRemoteCompositorIntegrationProxy() const { return false; }
    virtual bool isCompositorIntegrationImpl() const { return false; }

protected:
    CompositorIntegration() = default;

private:
    CompositorIntegration(const CompositorIntegration&) = delete;
    CompositorIntegration(CompositorIntegration&&) = delete;
    CompositorIntegration& operator=(const CompositorIntegration&) = delete;
    CompositorIntegration& operator=(CompositorIntegration&&) = delete;
};

} // namespace WebCore::WebGPU
