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[Gear VR] GPU particles and horrible performance
I was learning / working with particles for my project and it turned out that GPU particles are horribly slow (and probably bugged/broken) in Gear VR.
Here is the video with CPU particles (performance drops are due to video recording):
https://www.youtube.com/watch?v=6ZjtqHaKSlg
Once the drone crashes and particle system attached to it is deactivated, fps is still good.
When I made smoke trail on the drone flying over in the arc to be GPU particles (exact same look and rate), fps dropped to the floor and even after particle system got deactivated and visibility was turned off, fps still stayed super low.
My guess is it's a question to Epic, but I am sharing my finding here too.
Here is the video with CPU particles (performance drops are due to video recording):
https://www.youtube.com/watch?v=6ZjtqHaKSlg
Once the drone crashes and particle system attached to it is deactivated, fps is still good.
When I made smoke trail on the drone flying over in the arc to be GPU particles (exact same look and rate), fps dropped to the floor and even after particle system got deactivated and visibility was turned off, fps still stayed super low.
My guess is it's a question to Epic, but I am sharing my finding here too.
13 Replies
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I had this as well and I fixed it by increasing the buffer size:
Mohammed_hashim said:
@motorsep Btw may I ask if you faced any problem with audio having cracking noise with GearVR? Its been a week and I couldn't find a fix for my project regarding this issue.
See my comment Sep 27 '17 at 8:35 PM
https://answers.unrealengine.com/questions/593219/android-new-audiomixerandroid-in-416p1-results-cra.html
I will answer you on the original audio thread to keep this post clean for others.
aussieburgerVR said:
I had this as well and I fixed it by increasing the buffer size:
Mohammed_hashim said:
@motorsep Btw may I ask if you faced any problem with audio having cracking noise with GearVR? Its been a week and I couldn't find a fix for my project regarding this issue.
See my comment Sep 27 '17 at 8:35 PM
https://answers.unrealengine.com/questions/593219/android-new-audiomixerandroid-in-416p1-results-cra.html
https://forums.oculusvr.com/developer/discussion/comment/661106
aussieburgerVR said:
I had this as well and I fixed it by increasing the buffer size:
Mohammed_hashim said:
@motorsep Btw may I ask if you faced any problem with audio having cracking noise with GearVR? Its been a week and I couldn't find a fix for my project regarding this issue.
See my comment Sep 27 '17 at 8:35 PM
https://answers.unrealengine.com/questions/593219/android-new-audiomixerandroid-in-416p1-results-cra.html
Is this still an issue for Go and UE 4.21.2 ?
