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Meta Avatar making FPS Drop
When I Build and Run the app in my VR Device, it shows the FPS of 72 but whenever the Avatar is loaded and spawned the FPS Drops to around 40. I have tested the app and established that whenever the ...
The new Avatar/Meta shader is very expensive on the GPU. it perform very badly.
My team was able to optimize it by changing a few keyword and change the number of light which are hard coded in the MetaAvatarCore.hlsl, change the MAX_LIGHT_COUNT to 1
Then make sure you properly define the Keywords to enable on the MetaShaderConfiguretion.
That should bring you back into decent performance for a shader that I am not considering for the NOBRL price
I hope that help you
We ended up reverting to horizon avatar by using the HorizonShaderManager for a 30% performance gain.
If you want to keep the Avatar/Meta shader you can set the Quality from standard to light on the ovrAvatar2 Component to disable a few rendering feature for another good performance gain.
I am glad I could hlep.