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https://github.com/TES3MP/openmw-tes3mp.git
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101 lines
4 KiB
C++
101 lines
4 KiB
C++
#include "openxrmanager.hpp"
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#include "openxrmanagerimpl.hpp"
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#include "openxrswapchain.hpp"
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#include "../mwinput/inputmanagerimp.hpp"
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#include <components/debug/debuglog.hpp>
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#include <components/sdlutil/sdlgraphicswindow.hpp>
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#include <Windows.h>
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#include <openxr/openxr.h>
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#include <openxr/openxr_platform.h>
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#include <openxr/openxr_platform_defines.h>
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#include <openxr/openxr_reflection.h>
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#include <osg/Camera>
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#include <vector>
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#include <array>
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#include <iostream>
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#include "openxrsession.hpp"
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#include <time.h>
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namespace MWVR
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{
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OpenXRSession::OpenXRSession(
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osg::ref_ptr<OpenXRManager> XR)
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: mXR(XR)
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{
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}
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OpenXRSession::~OpenXRSession()
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{
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}
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void OpenXRSession::setLayer(
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OpenXRLayerStack::Layer layerType,
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OpenXRLayer* layer)
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{
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mLayerStack.setLayer(layerType, layer);
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}
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void OpenXRSession::swapBuffers(osg::GraphicsContext* gc)
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{
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Log(Debug::Verbose) << "OpenXRSession::swapBuffers";
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Timer timer("OpenXRSession::SwapBuffers");
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static int wat = 0;
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if (!mXR->sessionRunning())
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return;
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if (!mPredictionsReady)
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return;
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for (auto layer : mLayerStack.layerObjects())
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layer->swapBuffers(gc);
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timer.checkpoint("Rendered");
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mXR->endFrame(mXR->impl().frameState().predictedDisplayTime, &mLayerStack);
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}
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void OpenXRSession::waitFrame()
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{
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// For now it seems we must just accept crap performance from the rendering loop
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// Since Oculus' implementation of waitFrame() does not even attempt to reflect real
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// render time and just incurs a huge useless delay.
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Timer timer("OpenXRSession::waitFrame");
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mXR->waitFrame();
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timer.checkpoint("waitFrame");
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predictNext(0);
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mPredictionsReady = true;
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}
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void OpenXRSession::predictNext(int extraPeriods)
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{
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auto mPredictedDisplayTime = mXR->impl().frameState().predictedDisplayTime;
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// Update pose predictions
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mPredictedPoses.head[(int)TrackedSpace::STAGE] = mXR->impl().getPredictedLimbPose(mPredictedDisplayTime, TrackedLimb::HEAD, TrackedSpace::STAGE);
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mPredictedPoses.head[(int)TrackedSpace::VIEW] = mXR->impl().getPredictedLimbPose(mPredictedDisplayTime, TrackedLimb::HEAD, TrackedSpace::VIEW);
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mPredictedPoses.hands[(int)Chirality::LEFT_HAND][(int)TrackedSpace::STAGE] = mXR->impl().getPredictedLimbPose(mPredictedDisplayTime, TrackedLimb::LEFT_HAND, TrackedSpace::STAGE);
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mPredictedPoses.hands[(int)Chirality::LEFT_HAND][(int)TrackedSpace::VIEW] = mXR->impl().getPredictedLimbPose(mPredictedDisplayTime, TrackedLimb::LEFT_HAND, TrackedSpace::VIEW);
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mPredictedPoses.hands[(int)Chirality::RIGHT_HAND][(int)TrackedSpace::STAGE] = mXR->impl().getPredictedLimbPose(mPredictedDisplayTime, TrackedLimb::RIGHT_HAND, TrackedSpace::STAGE);
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mPredictedPoses.hands[(int)Chirality::RIGHT_HAND][(int)TrackedSpace::VIEW] = mXR->impl().getPredictedLimbPose(mPredictedDisplayTime, TrackedLimb::RIGHT_HAND, TrackedSpace::VIEW);
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auto stageViews = mXR->impl().getPredictedViews(mPredictedDisplayTime, TrackedSpace::STAGE);
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auto hmdViews = mXR->impl().getPredictedViews(mPredictedDisplayTime, TrackedSpace::VIEW);
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mPredictedPoses.eye[(int)Chirality::LEFT_HAND][(int)TrackedSpace::STAGE] = fromXR(stageViews[(int)Chirality::LEFT_HAND].pose);
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mPredictedPoses.eye[(int)Chirality::LEFT_HAND][(int)TrackedSpace::VIEW] = fromXR(hmdViews[(int)Chirality::LEFT_HAND].pose);
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mPredictedPoses.eye[(int)Chirality::RIGHT_HAND][(int)TrackedSpace::STAGE] = fromXR(stageViews[(int)Chirality::RIGHT_HAND].pose);
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mPredictedPoses.eye[(int)Chirality::RIGHT_HAND][(int)TrackedSpace::VIEW] = fromXR(hmdViews[(int)Chirality::RIGHT_HAND].pose);
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}
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}
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std::ostream& operator <<(
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std::ostream& os,
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const MWVR::Pose& pose)
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{
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os << "position=" << pose.position << " orientation=" << pose.orientation << " velocity=" << pose.velocity;
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return os;
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}
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