* [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS
@ 2018-02-14 15:34 bugzilla-daemon
2018-02-14 19:00 ` bugzilla-daemon
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2018-02-14 15:34 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=105095
Bug ID: 105095
Summary: piglit arb_vertex_type_2_10_10_10_rev-array_types
failed for BARTS
Product: Mesa
Version: 17.3
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
Assignee: dri-devel@lists.freedesktop.org
Reporter: benau2006@yahoo.com.hk
QA Contact: dri-devel@lists.freedesktop.org
Output of arb_vertex_type_2_10_10_10_rev-array_types from piglit tests:
testing: RGBA SINT
testing: RGBA SNORM
Probe color at (25,5)
Expected: 0.500000 0.250000 0.000000 1.000000
Observed: 0.501961 0.250980 0.000000 0.333333
testing: RGBA UINT
testing: RGBA UNORM
testing: BGRA SNORM
Probe color at (85,5)
Expected: 0.000000 0.250000 0.500000 1.000000
Observed: 0.000000 0.250980 0.501961 0.333333
testing: BGRA UNORM
Mesa version 17.3.3
AMD/ATI Barts PRO Radeon HD 6850
Detail in https://github.com/supertuxkart/stk-code/issues/3097, this bug cause
wrong animation in stk.
And i think 2.2 / 2.3 equation isn't causing this bug, because from what i see
zero is represented correctly in stk, also some amd devs told me barts switched
to use the new formula long time ago.
Any idea?
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* [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS
2018-02-14 15:34 [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS bugzilla-daemon
@ 2018-02-14 19:00 ` bugzilla-daemon
2018-05-13 22:25 ` bugzilla-daemon
2019-09-18 19:25 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2018-02-14 19:00 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=105095
--- Comment #1 from Roland Scheidegger <sroland@vmware.com> ---
Is that BARTS specific?
My piglit runs with Juniper (HD 5750) show this test passing (and generally
there's no difference in the driver between these two chips).
(Albeit I never ran it with this specific mesa version, you could try mesa
git.)
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* [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS
2018-02-14 15:34 [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS bugzilla-daemon
2018-02-14 19:00 ` bugzilla-daemon
@ 2018-05-13 22:25 ` bugzilla-daemon
2019-09-18 19:25 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2018-05-13 22:25 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=105095
--- Comment #2 from Roland Scheidegger <sroland@vmware.com> ---
FWIW this looks very similar to a bug recently fixed for radv.
Probably not so coincidentally, radeonsi has workarounds for 2/10/10/10 signed
formats, apparently gcn hw before vega (with the exception of stoney ridge) has
a bug interpreting the 2bit alpha as unsigned. The output from this test would
be consistent with that (alpha 1.0 as 2 bit snorm would be 0x01, whereas that
value interpreted as unorm would be 0.333).
So maybe the same bug could affect later evergreen hw as well.
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* [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS
2018-02-14 15:34 [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS bugzilla-daemon
2018-02-14 19:00 ` bugzilla-daemon
2018-05-13 22:25 ` bugzilla-daemon
@ 2019-09-18 19:25 ` bugzilla-daemon
2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2019-09-18 19:25 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=105095
GitLab Migration User <gitlab-migration@fdo.invalid> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
--- Comment #3 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.
You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/629.
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2018-02-14 15:34 [Bug 105095] piglit arb_vertex_type_2_10_10_10_rev-array_types failed for BARTS bugzilla-daemon
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