[CP] [Impeller] ensure 1x1 has mipcount of 1 #119947
Description
issue_link
Commit Hash
Target
stable
pr_link
Impacted Users
Impeller users
Impact Description
The mip count for a 1x1 texture would be 0, resulting in a crash in the Impeller backend.
Workaround
There is no workaround
Risk
low
Test Coverage
yes
Validation Steps
Verify that kTransparentImage from package:transparent_image works as expected under Impeller.