https://bugs.freedesktop.org/show_bug.cgi?id=39083
Summary: [regression, bisected, r600g] Wrong rendering of Bubbles3D screensaver Product: Mesa Version: git Platform: x86-64 (AMD64) OS/Version: Linux (All) Status: NEW Severity: normal Priority: medium Component: Drivers/Gallium/r600 AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: jlp.bugs@gmail.com
Instead of looking smooth and nicely translucent some part of bubbles appear to be opaque. I've bisected and the commit that caused this bad rendering is:
86f8b4117f35c788c8a043c2e241eb19eaacae8c - r600g: LIT: swap MUL_LIT operands to fix 0^0
This is on AMD Radeon HD 5750 and with XScreenSaver 5.14
https://bugs.freedesktop.org/show_bug.cgi?id=39083
--- Comment #1 from Jure Repinc jlp.bugs@gmail.com 2011-07-08 23:46:20 PDT --- Created an attachment (id=48911) --> (https://bugs.freedesktop.org/attachment.cgi?id=48911) bubble3d-good.png
https://bugs.freedesktop.org/show_bug.cgi?id=39083
--- Comment #2 from Jure Repinc jlp.bugs@gmail.com 2011-07-08 23:46:49 PDT --- Created an attachment (id=48912) --> (https://bugs.freedesktop.org/attachment.cgi?id=48912) bubble3d-bad.png
https://bugs.freedesktop.org/show_bug.cgi?id=39083
--- Comment #3 from Vadim ptpzz@yandex.ru 2011-07-09 02:55:17 PDT --- Created an attachment (id=48913) View: https://bugs.freedesktop.org/attachment.cgi?id=48913 Review: https://bugs.freedesktop.org/review?bug=39083&attachment=48913
[PATCH] r600g: LIT: clamp negative src.y to 0
Does this patch help?
https://bugs.freedesktop.org/show_bug.cgi?id=39083
--- Comment #4 from Jure Repinc jlp.bugs@gmail.com 2011-07-09 08:10:44 PDT --- Yes, with the patch applied the problem is gone. Thank you very much.
https://bugs.freedesktop.org/show_bug.cgi?id=39083
Alex Deucher agd5f@yahoo.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED
--- Comment #5 from Alex Deucher agd5f@yahoo.com 2011-07-10 10:33:03 PDT --- Pushed: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f0a7e28e29b5005c20ac02a7eec...
Thanks!
dri-devel@lists.freedesktop.org