Unity Issue Tracker - Virtual Reality Supported causes latent performance in build when HMD is not connected

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Regression

Virtual Reality Supported causes latent performance in build when HMD is not connected

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Jun 30, 2015

This issue has no description.

Michael-Schenck

Aug 08, 2015 04:46

I had this same issue with 5.1.2f1 see: http://issuetracker.unity3d.com/issues/vr-vr-enabled-player-lags-when-rift-is-not-connected
gg67

Jul 02, 2015 02:14

http://forum.unity3d.com/threads/vr-mode-brings-very-high-cpu-load-without-oculus-rift.337247/

I've noticed standalone executables built with Unity 5.1.1p2 "Virtual Reality Supported" checked bring massive CPU load when Oculus Rift is *not* connected. It also makes the program very unresponsive (0.5-1 seconds lag on mouse and keyboard). In editor it works fine.

Original Case:
VR Support Enabled
HMD Does not exist
= Latent Performance in Build
= Normal Performance in Editor

Case 2 (Updated)
VR Support Enabled
HMD Exists
Disable VR using VRSetting
Same results as original case
= Latent Performance in Build
= Normal Performance in Editor

Case3:
VR Support Enabled
HMD Exists
Turn Off HMD
= Starts in VR camera mode, reverts to single camera mode and works correctly in Editor and Build