https://bugs.freedesktop.org/show_bug.cgi?id=105179
Bug ID: 105179
Summary: DiRT Rally: wrong frames appear during camera
transition
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Mesa core
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Created attachment 137483
--> https://bugs.freedesktop.org/attachment.cgi?id=137483&action=edit
big fps drop at the time the bug appears
The issue can be watched in Benchmark mode. The camera changes multiple times
from outside to inside of the car during the benchmark run. Between the
transition from one view to another you see the start point of the track for a
short time (<1sec). There is also a stall and the framerate is dropping from
over 100fps to 40fps.
The start point is probably frame one and gets for unknown reason displayed
where it should be long gone from cards video memory.
Just to clarify:
In the moment of the transition, you see the frame of the track start point and
not the car and the trees surrounding which it actually should show.
Normally I would fill this as a RadeonSI issue but from reading:
https://lists.freedesktop.org/archives/mesa-dev/2018-February/185134.html
"except I got a few ltc errors in DiRT
Rally. Unclear if it's related to this patch though. Could be a missing
flush somewhere."
..I think it is a general mesa issue, except Im wrong here.
OpenGL renderer string: AMD Radeon HD 7900 Series (TAHITI / DRM 3.21.0 /
4.14.0-2-drm-next-dc-git, LLVM 7.0.0)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.1.0-devel
(git-a572ec2efe)
OpenGL core profile shading language version string: 4.50
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