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/*
* Copyright (C) 2024-2025 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 "PlatformXR.h"
#if ENABLE(WEBGPU)
#include "WebGPUXRProjectionLayer.h"
#endif
#include "WebXRRigidTransform.h"
#include "XRCompositionLayer.h"
#if PLATFORM(COCOA)
#include <wtf/MachSendRight.h>
#endif
namespace WebCore {
namespace WebGPU {
class XRProjectionLayer;
}
class GPUTexture;
class XRProjectionLayer : public XRCompositionLayer {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(XRProjectionLayer);
public:
#if ENABLE(WEBGPU)
static Ref<XRProjectionLayer> create(ScriptExecutionContext& scriptExecutionContext, Ref<WebCore::WebGPU::XRProjectionLayer>&& backing)
{
return adoptRef(*new XRProjectionLayer(scriptExecutionContext, WTFMove(backing)));
}
#endif
virtual ~XRProjectionLayer();
uint32_t textureWidth() const;
uint32_t textureHeight() const;
uint32_t textureArrayLength() const;
bool ignoreDepthValues() const;
std::optional<float> fixedFoveation() const;
void setFixedFoveation(std::optional<float>);
WebXRRigidTransform* deltaPose() const;
void setDeltaPose(WebXRRigidTransform*);
// WebXRLayer
void startFrame(PlatformXR::FrameData&) final;
PlatformXR::Device::Layer endFrame() final;
#if ENABLE(WEBGPU)
WebCore::WebGPU::XRProjectionLayer& backing();
std::optional<PlatformXR::FrameData::LayerData> layerData() const;
#endif
private:
#if ENABLE(WEBGPU)
XRProjectionLayer(ScriptExecutionContext&, Ref<WebCore::WebGPU::XRProjectionLayer>&&);
bool isXRProjectionLayer() const final { return true; }
const Ref<WebCore::WebGPU::XRProjectionLayer> m_backing;
#endif
std::optional<PlatformXR::FrameData::LayerData> m_layerData;
RefPtr<WebXRRigidTransform> m_transform;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::XRProjectionLayer)
static bool isType(const WebCore::WebXRLayer& layer) { return layer.isXRProjectionLayer(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif
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