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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 "WebGPUXRBindingImpl.h"
#if HAVE(WEBGPU_IMPLEMENTATION)
#include "WebGPUConvertToBackingContext.h"
#include "WebGPUDevice.h"
#include "WebGPUTextureFormat.h"
#include "WebGPUXRProjectionLayerImpl.h"
#include "WebGPUXRSubImageImpl.h"
namespace WebCore::WebGPU {
XRBindingImpl::XRBindingImpl(WebGPUPtr<WGPUXRBinding>&& binding, ConvertToBackingContext& convertToBackingContext)
: m_backing(WTFMove(binding))
, m_convertToBackingContext(convertToBackingContext)
{
}
XRBindingImpl::~XRBindingImpl() = default;
RefPtr<XRProjectionLayer> XRBindingImpl::createProjectionLayer(const XRProjectionLayerInit& init)
{
Ref convertToBackingContext = m_convertToBackingContext;
WGPUTextureFormat colorFormat = convertToBackingContext->convertToBacking(init.colorFormat);
WGPUTextureFormat optionalDepthStencilFormat;
if (init.depthStencilFormat)
optionalDepthStencilFormat = convertToBackingContext->convertToBacking(*init.depthStencilFormat);
WGPUTextureUsageFlags flags = convertToBackingContext->convertTextureUsageFlagsToBacking(init.textureUsage);
return XRProjectionLayerImpl::create(adoptWebGPU(wgpuBindingCreateXRProjectionLayer(m_backing.get(), colorFormat, init.depthStencilFormat ? &optionalDepthStencilFormat : nullptr, flags, init.scaleFactor)), convertToBackingContext);
}
RefPtr<XRSubImage> XRBindingImpl::getSubImage(XRProjectionLayer&, WebCore::WebXRFrame&, std::optional<XREye>/* = "none"*/)
{
RELEASE_ASSERT_NOT_REACHED();
return nullptr;
}
RefPtr<XRSubImage> XRBindingImpl::getViewSubImage(XRProjectionLayer& projectionLayer)
{
auto& projectionLayerImpl = static_cast<XRProjectionLayerImpl&>(projectionLayer);
return XRSubImageImpl::create(adoptWebGPU(wgpuBindingGetViewSubImage(m_backing.get(), projectionLayerImpl.backing())), Ref { m_convertToBackingContext });
}
TextureFormat XRBindingImpl::getPreferredColorFormat()
{
return TextureFormat::Bgra8unormSRGB;
}
} // namespace WebCore::WebGPU
#endif // HAVE(WEBGPU_IMPLEMENTATION)
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