https://bugs.freedesktop.org/show_bug.cgi?id=86490
Bug ID: 86490
Summary: Some Unreal Engine 4.5 Demos render only black on
radeonsi
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel at lists.freedesktop.org
Reporter: haagch at frickel.club
Hardware:
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M] (rev ff)
So I'm using radeonsi with PRIME and latest mesa git, recent llvm 3.6 revision.
I foolishly deleted the old Unreal Engine Demos so I can't make a recent test,
but they worked decently last time I checked.
Now the Unreal Demos have been updated to UE 4.5:
https://wiki.unrealengine.com/Linux_Demos
"Tappy Chicken": Works fine on intel and radeonsi.
"Shooter Game": Works fine on intel, but shows only game HUD and text on
radeonsi
"Light Room Interior Day Demo": Works fine on intel but is completely black on
radeonsi
Apitrace says the only problems are:
$ DRI_PRIME=1 glretrace Lightroominteriorday.trace
882: glDebugOutputCallback: Medium severity API other issue 1, FBO incomplete:
no attachments [-1]
0 4096 glXSwapIntervalMESA(interval = 0) = 0
4096: warning: unsupported glXSwapIntervalMESA call
context mis-match in pipe_sampler_view_release()
Rendered 191 frames in 13.88 secs, average of 13.7608 fps
Here is the trace from which I got the above output:
http://haagch.frickel.club/files/Lightroominteriorday.trace.xz
It renders fine on intel, but only black on radeonsi.
(Careful: When creating a trace on intel, the engine will use
glCopyImageSubData which is not supported on radeonsi. When creating a trace on
radeonsi it will not.)
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