LWRP Slow down fps - Gfx.WaitForPresentOnGfxThread

Unity Engine
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1

Hi,
I have problem with fps because Gfx.WaitForPresentOnGfxThread take too much time on the main thread.

I found the problem was on lwrp but not on built-in rp.

Here is empty project statistics created with LWRP:
5122043--506048--Screenshot 2019-10-30 at 14.41.52.png

Here is empty project statistics created with Built-in RP:
5122043--506051--Screenshot 2019-10-30 at 14.41.39.png

Here is profiler log for LWRP project:

5122043--506054--Screenshot 2019-10-30 at 14.46.35.png
5122043--506054--Screenshot 2019-10-30 at 14.46.35.png1906×470 23.5 KB

I’m using unity 2019.2.5f on MacOS Mojave.
How to increase FPS on LWRP project?
I turned off vsync and I use low quality lwrp but I still have a problem, sometimes fps is good but sometimes this gfx appears.waitforpresentongfxthread kills the game.
Does anyone have an idea how to solve the problem?

2

Are you sure you’re not mixed images? :slight_smile:

3

Heh, yea, thanks.

4

I know this is really old, but did you ever get to the bottom of it?

5

I’m have the same bottle next

6

I think that profiling an empty scene is quite pointless, I wouldn’t focus on numbers without a proper scene and without knowing what platform you’re on and what are your potential bottlenecks.

We’ve been using LWRP and URP extensively in the last 18 months, and we’re now on 2020.2 + URP 10 for a new project and it’s very very fast and quality wise better than built in.