[Bug 91641] white cursor with planetary annihilation

[Bug 91641] white cursor with planetary annihilation

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

            Bug ID: 91641
           Summary: white cursor with planetary annihilation
           Product: Mesa
           Version: 10.6
          Hardware: Other
                OS: All
            Status: NEW
          Severity: minor
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: kdj0c@djinvi.net
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 117696
  --> https://bugs.freedesktop.org/attachment.cgi?id=117696&action=edit
screenshot in the PA menu

the cursor is a big white square in planetary annihilation. (see screenshot
attached).

only the blue arrow should be seen, the white square should be transparent.

HW is radeon HD 7950 with radeonsi driver

OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD TAHITI
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.6.4
OpenGL core profile shading language version string: 3.30

thread on uber forum : 
https://forums.uberent.com/threads/state-of-the-cursor-fix.69376/

tried to add   Option  "SWCursor" "True" to xorg.conf, but doesn't have any
visible effect.

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

Ilia Mirkin <imirkin@alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #117696|text/plain                  |image/jpeg
          mime type|                            |

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Does the app use the hw cursor or draw it's own?

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #2 from kdj0c@djinvi.net ---
according to the last post of this thread :

https://forums.uberent.com/threads/reproduction-of-cursor-bug.50898/page-2

the post is a bit old, so I'm not sure it's still 100% accurate :

one of the dev said:"For the cursor we use the standard XCursor library with
calls like XcursorImageLoadCursor. We could hide the system cursor and compose
the cursor image ourselves but that has a couple of downsides, primarily that
it adds more lag between when the mouse moves and when the cursor moves."

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #3 from kdj0c@djinvi.net ---
by the way, there was a mod that fixed the cursor issue with mesa drivers. but
it's not working with recent build.

also it's working with nvidia binary driver. So I'm still unsure if this bug is
in the driver or in the game, or in a lib between them.


on a side note, I tried to record a trace with apitrace, but it doesn't record
the cursor.

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #4 from kdj0c@djinvi.net ---
Created attachment 117701
  --> https://bugs.freedesktop.org/attachment.cgi?id=117701&action=edit
cursor fixed

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #5 from kdj0c@djinvi.net ---
I found a good workaround. the issue is with cursor.png.
I edited the cursor.png with gimp, and paint the "transparent square" with
black and then save with "save color of transparent pixel" checked and now it
works !

attached the modified cursor.png

just copy it to SteamApps/common/Planetary
Annihilation/media/ui/main/game/live_game/img/cursors/cursor.png and voila

so for some reason mesa/xcursor or radeonsi think transparent pixels with white
color are not transparent. (red are partialy transparent, and black are
completely transparent).

I attached the two cursor.png file, so it can be tested/reproduced easily.

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[Bug 91641] white cursor with planetary annihilation

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #6 from kdj0c@djinvi.net ---
Created attachment 117702
  --> https://bugs.freedesktop.org/attachment.cgi?id=117702&action=edit
original cursor from PA

this png has white transparent pixels, which are not transparent with xorg.

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

--- Comment #7 from Michel Dänzer <michel@daenzer.net> ---
Sounds like it may be a Planetary Annihilation bug, the cursor data it's
feeding to the XCursor library may not use proper pre-multiplied alpha as
expected.

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

kdj0c@djinvi.net changed:

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

--- Comment #8 from kdj0c@djinvi.net ---
Fixed in latest Planetary Annihilation update.

release note include :

"Fix some cursors on certain Linux drivers"

http://steamcommunity.com/games/233250/announcements/detail/125327186128569099

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[Bug 91641] white cursor with planetary annihilation

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https://bugs.freedesktop.org/show_bug.cgi?id=91641

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |NOTOURBUG

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