@Shengyao, We still can reproduce this issue by following:
1. boot from dGPU (AMD) 2. DRI_PRIME=1 gxlgear 3. resize the window slowly. ** Tags added: fossa-edge-staging -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1937988 Title: The image is distrorted while use iGPU rendering and output via AMD GPU To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1937988/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp