** Changed in: chromium-browser (Ubuntu)
Assignee: (unassigned) => Bram Stolk (b-stolk)
** Changed in: chromium-browser (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/2006646
Title:
hwacc branch builds with minigbm switch to software compositor on amd.
Status in chromium-browser package in Ubuntu:
In Progress
Bug description:
This pertains to the hwacc branches of snap_from_source chromium
builds.
Following the guide-0.9.1, we switched from system gbm to minigbm.
(These switches are in args.gn)
use_system_minigbm = false
use_intel_minigbm = true
use_amdgpu_minigbm = true
This enables us to better support intel hardware.
However, there seems to be a regression on other gpus.
Chromium will switch to software compositing on amd.
When I revert back to system gbm, I get hardware compositing again.
See attached screenshot.
To reproduce: build chromium in two different ways, and compare the
output from the chrome://gpu url.
tested on: Radeon RX580 GPU.
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https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/2006646/+subscriptions
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