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/*
* 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
#if ENABLE(WEBXR_LAYERS)
#include "GPUTexture.h"
#include "GPUTextureViewDescriptor.h"
#include "WebGPUXREye.h"
#include "WebGPUXRSubImage.h"
#include "XRSubImage.h"
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class GPUTexture;
// https://github.com/immersive-web/WebXR-WebGPU-Binding/blob/main/explainer.md
class XRGPUSubImage : public XRSubImage {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(XRGPUSubImage);
public:
static Ref<XRGPUSubImage> create(Ref<WebGPU::XRSubImage>&& backing, WebGPU::XREye eye, GPUDevice& device)
{
return adoptRef(*new XRGPUSubImage(WTFMove(backing), eye, device));
}
const WebXRViewport& viewport() const final;
ExceptionOr<Ref<GPUTexture>> colorTexture();
RefPtr<GPUTexture> depthStencilTexture();
RefPtr<GPUTexture> motionVectorTexture();
const GPUTextureViewDescriptor& getViewDescriptor() const;
private:
XRGPUSubImage(Ref<WebGPU::XRSubImage>&&, WebGPU::XREye, GPUDevice&);
Ref<WebGPU::XRSubImage> m_backing;
Ref<GPUDevice> m_device;
const GPUTextureViewDescriptor m_descriptor;
Ref<WebXRViewport> m_viewport;
};
} // namespace WebCore
#endif // ENABLE(WEBXR_LAYERS)
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