GPU texture baking with large tile size fails #83079
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Reference: blender/blender#83079
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System Information
Operating system: Windows 10
Graphics card: Vega56
Blender Version
Broken: 2.90.1
Worked: 2.83.8
Not sure if this was a particular commit (or if libraries changed at that time) but this broke between
51ac411ce8
and5c5a638b57
Short description of error
I was trying to bake 8k emissive map but it doesnt work so i was searching for some error about hour a then try to make 4k emissive map and everything worked jsut fine with same settings, only thing i change was resolution of image from 8k to 4k. After this i try again bake 8k emissive but doesnt work image was empty so this must be some sort of bug.
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
bug.blend
This file has its tile size at 8192x8192.
With a tile size of 4096x4096 it works fine.
Added subscriber: @vikista
Added subscriber: @lichtwerk
This comment was removed by @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Can confirm actually.
Bakingto Baking with large tile size failsThis file has its tile size at 8192x8192.
With a tile size of 4096x4096 it works fine.
Baking with large tile size failsto GPU texture baking with large tile size failsAdded subscriber: @brecht
This is not expected to work, don't use a tile size that big, the GPU will run out of memory.
Is the issue that there is no good error message displayed?
@brecht: this was working fine in 2.83 (broke some time after
51ac411ce8
)Yes, baking was changed to use tiles in
d9773ed
, before that tile size would have had no effect.That might help then, getting back an empty image with no feedback can be confusing.
Added subscriber: @schampions
This comment was removed by @schampions
Added subscriber: @rjg
@schampions Please stop posting comments like this, they are not helping.