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https://github.com/TES3MP/openmw-tes3mp.git
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101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
#ifndef MWVR_OPENRXMANAGER_H
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#define MWVR_OPENRXMANAGER_H
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#ifndef USE_OPENXR
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#error "openxrmanager.hpp included without USE_OPENXR defined"
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#endif
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#include <memory>
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#include <array>
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#include <mutex>
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#include <components/debug/debuglog.hpp>
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#include <components/sdlutil/sdlgraphicswindow.hpp>
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#include <components/settings/settings.hpp>
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#include <osg/Camera>
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#include <osgViewer/Viewer>
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#include "vrtypes.hpp"
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struct XrSwapchainSubImage;
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struct XrCompositionLayerBaseHeader;
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namespace MWVR
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{
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class OpenXRManagerImpl;
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/// \brief Manage the openxr runtime and session
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class OpenXRManager : public osg::Referenced
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{
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public:
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class CleanupOperation : public osg::GraphicsOperation
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{
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public:
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CleanupOperation() : osg::GraphicsOperation("OpenXRCleanupOperation", false) {};
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void operator()(osg::GraphicsContext* gc) override;
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private:
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};
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public:
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OpenXRManager();
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~OpenXRManager();
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/// Manager has been initialized.
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bool realized();
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//! Forward call to xrWaitFrame()
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void waitFrame();
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//! Forward call to xrBeginFrame()
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void beginFrame();
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//! Forward call to xrEndFrame()
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void endFrame(int64_t displayTime, int layerCount, const std::array<CompositionLayerProjectionView, 2>& layerStack);
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//! Whether the openxr session is currently in a running state
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bool xrSessionRunning();
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//! Process all openxr events
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void handleEvents();
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//! Instantiate implementation
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void realize(osg::GraphicsContext* gc);
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//! Enable pose predictions. Exist to police that predictions are never made out of turn.
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void enablePredictions();
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//! Disable pose predictions.
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void disablePredictions();
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//! Get poses and fov of both eyes at the predicted time, relative to the given reference space. \note Will throw if predictions are disabled.
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std::array<View, 2> getPredictedViews(int64_t predictedDisplayTime, ReferenceSpace space);
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//! Get the pose of the player's head at the predicted time, relative to the given reference space. \note Will throw if predictions are disabled.
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MWVR::Pose getPredictedHeadPose(int64_t predictedDisplayTime, ReferenceSpace space);
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//! Last predicted display time returned from xrWaitFrame();
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long long getLastPredictedDisplayTime();
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//! Last predicted display period returned from xrWaitFrame();
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long long getLastPredictedDisplayPeriod();
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//! Configuration hints for instantiating swapchains, queried from openxr.
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std::array<SwapchainConfig, 2> getRecommendedSwapchainConfig() const;
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//! Check whether a given openxr extension is enabled or not
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bool xrExtensionIsEnabled(const char* extensionName) const;
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OpenXRManagerImpl& impl() { return *mPrivate; }
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const OpenXRManagerImpl& impl() const { return *mPrivate; }
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private:
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std::shared_ptr<OpenXRManagerImpl> mPrivate;
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std::mutex mMutex;
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using lock_guard = std::lock_guard<std::mutex>;
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};
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}
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std::ostream& operator <<(std::ostream& os, const MWVR::Pose& pose);
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#endif
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