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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.
*/
#pragma once
#if ENABLE(GPU_PROCESS)
#include "RemoteGPUProxy.h"
#include "WebGPUIdentifier.h"
#include <WebCore/WebGPUXRProjectionLayer.h>
namespace PlatformXR {
struct FrameData;
}
namespace WebCore {
class ImageBuffer;
class NativeImage;
namespace WebGPU {
class Device;
}
}
namespace WebKit::WebGPU {
class ConvertToBackingContext;
class RemoteXRProjectionLayerProxy final : public WebCore::WebGPU::XRProjectionLayer {
WTF_MAKE_TZONE_ALLOCATED(RemoteXRProjectionLayerProxy);
public:
static Ref<RemoteXRProjectionLayerProxy> create(Ref<RemoteGPUProxy>&& parent, ConvertToBackingContext& convertToBackingContext, WebGPUIdentifier identifier)
{
return adoptRef(*new RemoteXRProjectionLayerProxy(WTFMove(parent), convertToBackingContext, identifier));
}
virtual ~RemoteXRProjectionLayerProxy();
RemoteGPUProxy& parent() { return m_parent; }
RemoteGPUProxy& root() { return m_parent; }
WebGPUIdentifier backing() const { return m_backing; }
private:
friend class DowncastConvertToBackingContext;
RemoteXRProjectionLayerProxy(Ref<RemoteGPUProxy>&&, ConvertToBackingContext&, WebGPUIdentifier);
RemoteXRProjectionLayerProxy(const RemoteXRProjectionLayerProxy&) = delete;
RemoteXRProjectionLayerProxy(RemoteXRProjectionLayerProxy&&) = delete;
RemoteXRProjectionLayerProxy& operator=(const RemoteXRProjectionLayerProxy&) = delete;
RemoteXRProjectionLayerProxy& operator=(RemoteXRProjectionLayerProxy&&) = 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;
WebCore::WebXRRigidTransform* deltaPose() const final;
void setDeltaPose(WebCore::WebXRRigidTransform*) final;
// WebXRLayer
#if PLATFORM(COCOA)
void startFrame(size_t frameIndex, MachSendRight&&, MachSendRight&&, MachSendRight&&, size_t reusableTextureIndex) final;
#endif
void endFrame() final;
template<typename T>
WARN_UNUSED_RETURN IPC::Error send(T&& message)
{
return root().protectedStreamClientConnection()->send(WTFMove(message), backing());
}
template<typename T>
WARN_UNUSED_RETURN IPC::Connection::SendSyncResult<T> sendSync(T&& message)
{
return root().protectedStreamClientConnection()->sendSync(WTFMove(message), backing());
}
bool isRemoteXRProjectionLayerProxy() const final { return true; }
WebGPUIdentifier m_backing;
Ref<ConvertToBackingContext> m_convertToBackingContext;
Ref<RemoteGPUProxy> m_parent;
};
} // namespace WebKit::WebGPU
SPECIALIZE_TYPE_TRAITS_BEGIN(WebKit::WebGPU::RemoteXRProjectionLayerProxy)
static bool isType(const WebCore::WebGPU::XRProjectionLayer& projectionLayer) { return projectionLayer.isRemoteXRProjectionLayerProxy(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(GPU_PROCESS)
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