Graphical issues when the dock auto-hides

Bug #1426847 reported by Jonas Frei on 2015-03-01
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Plank
Low
Rico Tzschichholz

Bug Description

Running on Arch Linux, after the upgrade xorg-server (1.16.4-1 -> 1.17.1-1) I noticed graphical issues when the dock enters the hidden state:

https://drive.google.com/file/d/0B_8rgCBrqHZ-ZWdBUm5EdEpsd1k/view?usp=sharing

$ lspci | grep VGA 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Chelsea XT GL [FirePro M4000]

The ATI drivers have been updated as well: xf86-video-ati (1:7.5.0-1 -> 1:7.5.0-2)

Related branches

Jonas Frei (freijon) wrote :
Rico Tzschichholz (ricotz) wrote :

Please attach files directly and avoid linking to external resources.

Rico Tzschichholz (ricotz) wrote :

The internal CairoImageSurface has the size of dock window and therefore only fits completely when put at 0,0. If shifted areas which don't fit the target region get flipped. Drawing it without any shifting onto the CairoContext given by gtk+ solves the reported issue.

The problem might be related to the specific combination of cairo/ati-ddx/xserver.

Rico Tzschichholz (ricotz) wrote :

This is likely a bug with the common ddx layer, glamor, which got integrated in xserver >= 1.17.

Rico Tzschichholz (ricotz) wrote :

Fixed in r1186

Changed in plank:
milestone: none → 0.9.0
assignee: nobody → Rico Tzschichholz (ricotz)
importance: Undecided → Low
status: New → Fix Committed
Changed in plank:
status: Fix Committed → Fix Released
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