Hello! I am having a really strange issue:
I have a big object ~(4000,50,1000) that is a floor, and when I add a second uv set I get very poor performance, and since its a floor I really need a second uv (one for tiled tex and another for non tiled tex). Its the first time I noticed a second uv set bothering me. I tried with a simple big cube, no textures.. and it also happens.
If I reduce the size of the object the problems decreases, around scale 0.1 it goes away completely (even if I put it near the camera so it uses most of the screen)
I've made a video:
https://youtu.be/lMuUazKfxGk
My engine loads the blender file at runtime, so maybe I am generating the mesh wrong? I double checked that the amount of uv set its correct in the mesh.
Tried profiling and the only thing that changes is the command execution..
with 1 uv
with 2 uv
(the scene 21 is the camera used on the screen inside the cabin, that I skip every other frame)
what can I do?
Strange performance issue with big object with second UV
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