Discussion:
[Bug 103999] 4x MSAA with RG32F shows garbage on triangle edges
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b***@freedesktop.org
2017-11-30 19:12:12 UTC
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https://bugs.freedesktop.org/show_bug.cgi?id=103999

Bug ID: 103999
Summary: 4x MSAA with RG32F shows garbage on triangle edges
Product: Mesa
Version: 17.2
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Vulkan/radeon
Assignee: mesa-***@lists.freedesktop.org
Reporter: ***@archlinux.us
QA Contact: mesa-***@lists.freedesktop.org

Created attachment 135833
--> https://bugs.freedesktop.org/attachment.cgi?id=135833&action=edit
Bug

On 17.2.6, edges don't resolve correctly in MSAA.
I'm using pResolveAttachments for this.
I could upload a renderdoc trace, but it's too big for the tracker (90MB).
Tested on RX470.
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b***@freedesktop.org
2017-11-30 20:32:20 UTC
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https://bugs.freedesktop.org/show_bug.cgi?id=103999

--- Comment #1 from Ernst Sjöstrand <***@gmail.com> ---
Are you saying it worked with 17.2.5?
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b***@freedesktop.org
2017-11-30 23:04:46 UTC
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--- Comment #2 from ***@archlinux.us ---
No idea, haven't tried this on any other drivers.
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b***@freedesktop.org
2017-11-30 23:05:12 UTC
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--- Comment #3 from ***@archlinux.us ---
RADV that is. Works on other driver stacks I've tested.
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b***@freedesktop.org
2017-12-29 23:24:02 UTC
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https://bugs.freedesktop.org/show_bug.cgi?id=103999

Bas Nieuwenhuizen <***@basnieuwenhuizen.nl> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO

--- Comment #4 from Bas Nieuwenhuizen <***@basnieuwenhuizen.nl> ---
Is this still an issue as of git master with the recent multisample resolve
fixes? (e.g. has commits up to
https://cgit.freedesktop.org/mesa/mesa/commit/?id=a636208ace00e5ba7ddb331362b3e95fd4cea422)
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b***@freedesktop.org
2018-01-07 10:18:34 UTC
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--- Comment #5 from ***@archlinux.us ---
Still buggy on latest git.
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b***@freedesktop.org
2018-01-07 19:03:53 UTC
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Bas Nieuwenhuizen <***@basnieuwenhuizen.nl> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
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b***@freedesktop.org
2018-03-29 20:32:49 UTC
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--- Comment #6 from Clément Guérin <***@protonmail.com> ---
@maister could you host your apitrace and share it here?
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b***@freedesktop.org
2018-03-30 13:24:32 UTC
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--- Comment #7 from ***@archlinux.us ---
This seems to work fine now on 17.3.7.
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b***@freedesktop.org
2018-03-30 13:31:44 UTC
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--- Comment #8 from ***@archlinux.us ---
Here's a renderdoc 1.0 capture on RX470 for reference:
https://drive.google.com/file/d/1e9zIRVhZxtdA5DodASi3FK75fuRBuqxO/view?usp=sharing
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b***@freedesktop.org
2018-03-30 15:57:40 UTC
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--- Comment #9 from Samuel Pitoiset <***@gmail.com> ---
Cool, could try again mesa master to confirm the issue is really fixed? Thanks!
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b***@freedesktop.org
2018-04-17 19:55:21 UTC
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Samuel Pitoiset <***@gmail.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED

--- Comment #10 from Samuel Pitoiset <***@gmail.com> ---
We fixed a bunch of multisample resolve issues recently, and if it works fine
with mesa 17.3.7 it should be OK on master.

Closing, please re-open if the issue still occurs.
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