https://bugs.freedesktop.org/show_bug.cgi?id=95413
Bug ID: 95413
Summary: Oversaturation + Artifacts on screen refresh with
Redwood GPU
Product: Mesa
Version: 11.2
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Drivers/Gallium/r600
Assignee: dri-devel at lists.freedesktop.org
Reporter: sawyerbergeron at gmail.com
QA Contact: dri-devel at lists.freedesktop.org
In any compositor (XRender still affected, but to lesser degree) the screen
first appears somewhat oversaturated/of too high contrast, but on each
subsequent screen redraw the entire screen becomes less and less possible to
decipher until it becomes 2 bit black and white for every part of the screen
except for the areas that were most recently refreshed (while other parts of
the screen were redrawn, even if not refreshed.)
This bug occurs in Gnome 3, Plasma (4 and 5), and Unity, though it has no
effect on non X-sessions, nor does it appear to affect login screens (sddm,
gdm, or lightdm). Sessions composited using XRender are oversaturated/have too
high a contrast and are oddly colored, but do not exhibit increasing
saturation/contrast issues on redraw. OpenGL 2/3 are worst using GXL, though
OpenGL 3 with EGL is sometimes somewhat better (though far worse than XRender.)
For a graphics card, I use a FirePro v4800 (based on Redwood XT, I believe)
If a screenshot would help, please let me know so I can post one
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