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/*
* Copyright (C) 2020 Igalia S.L. 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)
#include "ExceptionOr.h"
#include "FakeXRBoundsPoint.h"
#include "FakeXRInputSourceInit.h"
#include "FakeXRViewInit.h"
#include "JSDOMPromiseDeferredForward.h"
#include "PlatformXR.h"
#include "Timer.h"
#include "WebFakeXRInputController.h"
#include "XRVisibilityState.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class GraphicsContextGL;
class FakeXRView final : public RefCounted<FakeXRView> {
public:
static Ref<FakeXRView> create(XREye eye) { return adoptRef(*new FakeXRView(eye)); }
using Pose = PlatformXR::Device::FrameData::Pose;
using Fov = PlatformXR::Device::FrameData::Fov;
XREye eye() const { return m_eye; }
const Pose& offset() const { return m_offset; }
const std::array<float, 16>& projection() const { return m_projection; }
const std::optional<Fov>& fieldOfView() const { return m_fov;}
void setResolution(FakeXRViewInit::DeviceResolution resolution) { m_resolution = resolution; }
void setOffset(Pose&& offset) { m_offset = WTFMove(offset); }
void setProjection(const Vector<float>&);
void setFieldOfView(const FakeXRViewInit::FieldOfViewInit&);
private:
FakeXRView(XREye eye)
: m_eye(eye) { }
XREye m_eye;
FakeXRViewInit::DeviceResolution m_resolution;
Pose m_offset;
std::array<float, 16> m_projection;
std::optional<Fov> m_fov;
};
class SimulatedXRDevice final : public PlatformXR::Device {
WTF_MAKE_FAST_ALLOCATED;
public:
SimulatedXRDevice();
~SimulatedXRDevice();
void setViews(Vector<FrameData::View>&&);
void setNativeBoundsGeometry(const Vector<FakeXRBoundsPoint>&);
void setViewerOrigin(const std::optional<FrameData::Pose>&);
void setFloorOrigin(std::optional<FrameData::Pose>&& origin) { m_frameData.floorTransform = WTFMove(origin); }
void setEmulatedPosition(bool emulated) { m_frameData.isPositionEmulated = emulated; }
void setSupportsShutdownNotification(bool supportsShutdownNotification) { m_supportsShutdownNotification = supportsShutdownNotification; }
void setVisibilityState(XRVisibilityState);
void simulateShutdownCompleted();
void scheduleOnNextFrame(Function<void()>&&);
void addInputConnection(Ref<WebFakeXRInputController>&& input) { m_inputConnections.append(WTFMove(input)); };
private:
WebCore::IntSize recommendedResolution(PlatformXR::SessionMode) final;
void initializeTrackingAndRendering(const WebCore::SecurityOriginData&, PlatformXR::SessionMode, const PlatformXR::Device::FeatureList&) final;
void shutDownTrackingAndRendering() final;
bool supportsSessionShutdownNotification() const final { return m_supportsShutdownNotification; }
void initializeReferenceSpace(PlatformXR::ReferenceSpaceType) final { }
Vector<PlatformXR::Device::ViewData> views(PlatformXR::SessionMode) const final;
void requestFrame(RequestFrameCallback&&) final;
std::optional<PlatformXR::LayerHandle> createLayerProjection(uint32_t width, uint32_t height, bool alpha) final;
void deleteLayer(PlatformXR::LayerHandle) final;
void stopTimer();
void frameTimerFired();
PlatformXR::Device::FrameData m_frameData;
bool m_supportsShutdownNotification { false };
Timer m_frameTimer;
RequestFrameCallback m_FrameCallback;
RefPtr<WebCore::GraphicsContextGL> m_gl;
HashMap<PlatformXR::LayerHandle, PlatformGLObject> m_layers;
uint32_t m_layerIndex { 0 };
Vector<Ref<WebFakeXRInputController>> m_inputConnections;
};
class WebFakeXRDevice final : public RefCounted<WebFakeXRDevice> {
public:
static Ref<WebFakeXRDevice> create() { return adoptRef(*new WebFakeXRDevice()); }
void setViews(const Vector<FakeXRViewInit>&);
void disconnect(DOMPromiseDeferred<void>&&);
void setViewerOrigin(FakeXRRigidTransformInit origin, bool emulatedPosition = false);
void clearViewerOrigin() { m_device.setViewerOrigin(std::nullopt); }
void simulateVisibilityChange(XRVisibilityState);
void setBoundsGeometry(Vector<FakeXRBoundsPoint>&& bounds) { m_device.setNativeBoundsGeometry(WTFMove(bounds)); }
void setFloorOrigin(FakeXRRigidTransformInit);
void clearFloorOrigin() { m_device.setFloorOrigin(std::nullopt); }
void simulateResetPose();
Ref<WebFakeXRInputController> simulateInputSourceConnection(const FakeXRInputSourceInit&);
static ExceptionOr<Ref<FakeXRView>> parseView(const FakeXRViewInit&);
SimulatedXRDevice& simulatedXRDevice() { return m_device; }
void setSupportsShutdownNotification();
void simulateShutdown();
static ExceptionOr<PlatformXR::Device::FrameData::Pose> parseRigidTransform(const FakeXRRigidTransformInit&);
private:
WebFakeXRDevice();
SimulatedXRDevice m_device;
PlatformXR::InputSourceHandle mInputSourceHandleIndex { 0 };
};
} // namespace WebCore
#endif // ENABLE(WEBXR)
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