Porting Vive Game Terrible Performance on Oculus - Unity 5.5
Hi all, we have a game that performs well (90fps+) on the Vive and as we're trying to port it to Oculus, we're seeing some really weird performance hits. The game seems to slow to around 50-75% speed after a few seconds (note: menu view seems to perform normally - this is a separate camera that is disabled after the game starts), almost as if it's reducing the game speed to keep frame rates up. Here are some details:
- Unity 5.5.0f3 with OpenVR and Oculus API enabled - no Single Pass Stereo Rendering
- Unity 5.5.0f3 with OpenVR and Oculus API enabled - no Single Pass Stereo Rendering
- Tried with Oculus API only (turn off OpenVR API in player settings): this actually seems to make the performance worse
- Tried Single Pass Stereo Rendering - same or worse performance
- Tried installing Oculus Utilities from their developer site: changes nothing + tried the Oculus camera rig, again no luck, game will slow down to 50-75% normal time.
- Tried running a check on Time.scaleTime and it's constantly at 1.0 so it's not some weird time scale issue
- Tried running a check on Time.scaleTime and it's constantly at 1.0 so it's not some weird time scale issue
- Tried playing with background elements turned off (only gameplay logic and characters enabled): same thing
- Tried turning off gameplay elements manually: same issue, it seems like when it starts slowing down it stays that way
- Tried turning off all camera filters - no luck
- Tried turning off all camera filters - no luck
- Profiler's main culprit is WaitForGPU as expected
- Building an executable seems to perform better, however you still see a few instances where the game slows down. Two computers tested on this: one with a GTX970 saw just a few seconds of the slowdown; a GTX1070 sees slowdown all over the place.
Here is the game on Steam with Vive: http://store.steampowered.com/app/510930/
- Building an executable seems to perform better, however you still see a few instances where the game slows down. Two computers tested on this: one with a GTX970 saw just a few seconds of the slowdown; a GTX1070 sees slowdown all over the place.
Here is the game on Steam with Vive: http://store.steampowered.com/app/510930/