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Tightened prediction point

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This commit is contained in:
Mads Buvik Sandvei 2020-01-27 18:34:48 +01:00
parent 3984e2030a
commit fea964a6f3
3 changed files with 19 additions and 12 deletions
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26
apps/openmw/mwvr/openxrmanagerimpl.cpp
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@ -262,7 +262,7 @@ namespace MWVR
// In some implementations xrWaitFrame might not return immediately when it should. // In some implementations xrWaitFrame might not return immediately when it should.
// So i let it wait in a separate thread. xrBeginFrame() should wait on xrWaitFrame() // So i let it wait in a separate thread. xrBeginFrame() should wait on xrWaitFrame()
// and xrWaitFrame() doesn't happen again until xrEndFrame() so synchronization is not necessary. // and xrWaitFrame() doesn't happen again until xrEndFrame() so synchronization is not necessary.
std::thread([this]() { //std::thread([this]() {
static std::mutex waitFrameMutex; static std::mutex waitFrameMutex;
std::unique_lock<std::mutex> lock(waitFrameMutex); std::unique_lock<std::mutex> lock(waitFrameMutex);
@ -277,7 +277,7 @@ namespace MWVR
mTimeKeeper.progressToNextFrame(frameState); mTimeKeeper.progressToNextFrame(frameState);
}).detach(); //}).detach();
} }
@ -425,7 +425,7 @@ namespace MWVR
beginInfo.primaryViewConfigurationType = mViewConfigType; beginInfo.primaryViewConfigurationType = mViewConfigType;
CHECK_XRCMD(xrBeginSession(mSession, &beginInfo)); CHECK_XRCMD(xrBeginSession(mSession, &beginInfo));
mSessionRunning = true; mSessionRunning = true;
waitFrame(); //waitFrame();
break; break;
} }
case XR_SESSION_STATE_STOPPING: case XR_SESSION_STATE_STOPPING:
@ -480,16 +480,20 @@ namespace MWVR
{ {
std::unique_lock<std::mutex> lock(mMutex); std::unique_lock<std::mutex> lock(mMutex);
auto prediction = mPredictedFrameTime; //auto prediction = mPredictedFrameTime;
auto predictedPeriod = mPredictedPeriod; //auto predictedPeriod = mPredictedPeriod;
auto futureFrames = frameIndex - OpenXRFrameIndexer::instance().renderIndex(); //auto futureFrames = frameIndex - OpenXRFrameIndexer::instance().renderIndex();
prediction += ( 0 + futureFrames) * predictedPeriod; //prediction += ( 0 + futureFrames) * predictedPeriod;
Log(Debug::Verbose) << "Predicted: displayTime[" << futureFrames << "]=" << prediction; //Log(Debug::Verbose) << "Predicted: displayTime[" << futureFrames << "]=" << prediction;
return prediction; //return prediction;
//return mFrameState.predictedDisplayTime;
return mPredictedFrameTime;
} }
void OpenXRTimeKeeper::progressToNextFrame(XrFrameState frameState) void OpenXRTimeKeeper::progressToNextFrame(XrFrameState frameState)
@ -515,8 +519,8 @@ namespace MWVR
{ {
// predictedDisplayTime refers to the midpoint of the display period // predictedDisplayTime refers to the midpoint of the display period
// The upjustment must therefore only be half the magnitude // The upjustment must therefore only be half the magnitude
// mPredictedFrameTime += (realPeriod - mFrameState.predictedDisplayPeriod); mPredictedFrameTime += (realPeriod - mFrameState.predictedDisplayPeriod) / 2;
// mPredictedPeriod = realPeriod; mPredictedPeriod = realPeriod;
} }

4
apps/openmw/mwvr/openxrview.cpp
View file

@ -74,6 +74,10 @@ namespace MWVR {
void OpenXRView::prerenderCallback(osg::RenderInfo& renderInfo) void OpenXRView::prerenderCallback(osg::RenderInfo& renderInfo)
{ {
if(mName == "LeftEye")
mXR->waitFrame();
Log(Debug::Verbose) << mName << ": prerenderCallback"; Log(Debug::Verbose) << mName << ": prerenderCallback";
if (mSwapchain) if (mSwapchain)
{ {

1
apps/openmw/mwvr/openxrviewer.cpp
View file

@ -185,7 +185,6 @@ namespace MWVR
mViews[OpenXRWorldView::RIGHT_VIEW]->swapchain().endFrame(gc); mViews[OpenXRWorldView::RIGHT_VIEW]->swapchain().endFrame(gc);
mXRMenu->swapchain().endFrame(gc); mXRMenu->swapchain().endFrame(gc);
mXR->endFrame(); mXR->endFrame();
mXR->waitFrame();
//gl->glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0); //gl->glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0);
//mMirrorTextureSwapchain->renderBuffer()->blit(gc, 0, 0, mMirrorTextureSwapchain->width(), mMirrorTextureSwapchain->height()); //mMirrorTextureSwapchain->renderBuffer()->blit(gc, 0, 0, mMirrorTextureSwapchain->width(), mMirrorTextureSwapchain->height());