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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 HAVE(WEBGPU_IMPLEMENTATION)
#include "WebGPUPtr.h"
#include "WebGPUXRProjectionLayer.h"
#include <WebGPU/WebGPU.h>
namespace WebCore {
class Device;
class NativeImage;
}
namespace WebCore::WebGPU {
class ConvertToBackingContext;
class XRProjectionLayerImpl final : public XRProjectionLayer {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<XRProjectionLayerImpl> create(WebGPUPtr<WGPUXRProjectionLayer>&& projectionLayer, ConvertToBackingContext& convertToBackingContext)
{
return adoptRef(*new XRProjectionLayerImpl(WTFMove(projectionLayer), convertToBackingContext));
}
virtual ~XRProjectionLayerImpl();
WGPUXRProjectionLayer backing() const { return m_backing.get(); }
private:
friend class DowncastConvertToBackingContext;
explicit XRProjectionLayerImpl(WebGPUPtr<WGPUXRProjectionLayer>&&, ConvertToBackingContext&);
XRProjectionLayerImpl(const XRProjectionLayerImpl&) = delete;
XRProjectionLayerImpl(XRProjectionLayerImpl&&) = delete;
XRProjectionLayerImpl& operator=(const XRProjectionLayerImpl&) = delete;
XRProjectionLayerImpl& operator=(XRProjectionLayerImpl&&) = delete;
uint32_t textureWidth() const final;
uint32_t textureHeight() const final;
uint32_t textureArrayLength() const final;
bool ignoreDepthValues() const final;
std::optional<float> fixedFoveation() const final;
void setFixedFoveation(std::optional<float>) final;
WebXRRigidTransform* deltaPose() const final;
void setDeltaPose(WebXRRigidTransform*) final;
// WebXRLayer
#if PLATFORM(COCOA)
void startFrame(size_t frameIndex, MachSendRight&& colorBuffer, MachSendRight&& depthBuffer, MachSendRight&& completionSyncEvent, size_t reusableTextureIndex) final;
#endif
void endFrame() final;
WebGPUPtr<WGPUXRProjectionLayer> m_backing;
Ref<ConvertToBackingContext> m_convertToBackingContext;
#if ENABLE(WEBXR)
RefPtr<WebXRRigidTransform> m_webXRRigidTransform;
#endif
};
} // namespace WebCore::WebGPU
#endif // HAVE(WEBGPU_IMPLEMENTATION)
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