/*
 * Copyright (C) 2024 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/WebGPUXREye.h>
#include <WebCore/WebGPUXRProjectionLayer.h>
#include <WebCore/WebGPUXRSubImage.h>

#include <wtf/Ref.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/WeakPtr.h>

namespace WebCore {
class WebXRFrame;
}

namespace WebCore::WebGPU {

class Device;
class XRGPUSubImage;
class XRProjectionLayer;
class XRView;

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

    virtual RefPtr<XRProjectionLayer> createProjectionLayer(const XRProjectionLayerInit&) = 0;
    virtual RefPtr<XRSubImage> getSubImage(XRProjectionLayer&, WebCore::WebXRFrame&, std::optional<XREye>/* = "none"*/) = 0;
    virtual RefPtr<XRSubImage> getViewSubImage(XRProjectionLayer&) = 0;
    virtual TextureFormat getPreferredColorFormat() = 0;

protected:
    XRBinding() = default;

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

} // namespace WebCore::WebGPU
