Is it me, or is the new GUI kind of a performance hog–at least on Android? I noticed SendWillRenderCanvases is taking up like 14% of my frame time in the profiler. I’ve got a few simple control panels in a cockpit which are rendered using Canvases. Is there any way to cut this function’s execution time down via the design of my UI?
To answer my own question–I was activating/deactivating a lot of GUI objects unnecessarily in that frame. I guess it creates a lot of setup overhead. Fixed it and now it doesn’t show up in my profiler.
When I disabled Pixel Perfect on the canvas the frame rate drop went away.
The second half of this talk goes into depth on fixing UI performance problems:
. I know it talks about activating/deactivating things. It also talks about having separate subcanvasses that update independently. It’s well worth a watch.
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