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/*
* 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.
*/
#include "config.h"
#include "WebGPUXRProjectionLayerImpl.h"
#if HAVE(WEBGPU_IMPLEMENTATION)
#include "WebGPUConvertToBackingContext.h"
#include "WebGPUDevice.h"
#include "WebGPUTextureFormat.h"
#include "WebXRRigidTransform.h"
#include <wtf/MachSendRight.h>
namespace WebCore::WebGPU {
XRProjectionLayerImpl::XRProjectionLayerImpl(WebGPUPtr<WGPUXRProjectionLayer>&& projectionLayer, ConvertToBackingContext& convertToBackingContext)
: m_backing(WTFMove(projectionLayer))
, m_convertToBackingContext(convertToBackingContext)
{
}
XRProjectionLayerImpl::~XRProjectionLayerImpl() = default;
uint32_t XRProjectionLayerImpl::textureWidth() const
{
return 0;
}
uint32_t XRProjectionLayerImpl::textureHeight() const
{
return 0;
}
uint32_t XRProjectionLayerImpl::textureArrayLength() const
{
#if PLATFORM(IOS_FAMILY_SIMULATOR)
return 1;
#else
return 2;
#endif
}
bool XRProjectionLayerImpl::ignoreDepthValues() const
{
return false;
}
std::optional<float> XRProjectionLayerImpl::fixedFoveation() const
{
return 0.f;
}
void XRProjectionLayerImpl::setFixedFoveation(std::optional<float>)
{
return;
}
WebXRRigidTransform* XRProjectionLayerImpl::deltaPose() const
{
#if ENABLE(WEBXR)
return m_webXRRigidTransform.get();
#else
return nullptr;
#endif
}
void XRProjectionLayerImpl::setDeltaPose(WebXRRigidTransform* pose)
{
#if ENABLE(WEBXR)
m_webXRRigidTransform = pose;
#else
UNUSED_PARAM(pose);
#endif
}
// WebXRLayer
void XRProjectionLayerImpl::startFrame(size_t frameIndex, MachSendRight&& colorBuffer, MachSendRight&& depthBuffer, MachSendRight&& completionSyncEvent, size_t reusableTextureIndex)
{
wgpuXRProjectionLayerStartFrame(m_backing.get(), frameIndex, WTFMove(colorBuffer), WTFMove(depthBuffer), WTFMove(completionSyncEvent), reusableTextureIndex);
}
void XRProjectionLayerImpl::endFrame()
{
return;
}
} // namespace WebCore::WebGPU
#endif // HAVE(WEBGPU_IMPLEMENTATION)
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