[Bug 18657] New: Motocross Madness 2 Demo: picture quality in menus changes as mouse moves
wine-bugs at winehq.org
wine-bugs at winehq.org
Wed May 27 15:49:00 CDT 2009
http://bugs.winehq.org/show_bug.cgi?id=18657
Summary: Motocross Madness 2 Demo: picture quality in menus
changes as mouse moves
Product: Wine
Version: 1.1.22
Platform: PC
URL: http://www.microsoft.com/games/motocross2/default.htm
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: directx-d3d
AssignedTo: wine-bugs at winehq.org
ReportedBy: hoehle at users.sourceforge.net
CC: aric at codeweavers.com
I know that Aric Stewart's commit prior to wine-1.1.3:
eb4ee4f4ada6d02aeb26b0e12964b208ecc68b52 is first bad commit
commit eb4ee4f4ada6d02aeb26b0e12964b208ecc68b52
Author: Aric Stewart <aric at codeweavers.com>
Date: Wed Jul 30 10:01:08 2008 -0500
wined3d: Rework surface Blt a bit to only lock the part of the destination
surface being drawn to.
was already associated with several regressions, e.g. bug #15056, some of which
have been fixed since, e.g. bug #12766. Here's a new one, with a possibility
that this commit just puts the nail on something that was broken long
before[*].
Since Aric's commit, Motocross Madness Demo 2 shows:
a) the scene pictures as if downsampled to 8 bits instead of 16/32
in both the terrain selection view as well as
the motorcycle selection view in the garage.
b) and an extra horizontal garbage line near the bottom of the screen.
What's been fixed again since Aric's commit, as of wine-1.1.22:
c) the mini-TV pop up animation to select stunt/motocross etc. mode in the
initial menu.
Please compare the AppDB screenshot
http://appdb.winehq.org/appimage.php?iId=14073 with my own in bug #17234,
comment 6 at http://bugs.winehq.org/attachment.cgi?id=21343 to see a) and b)
These defaults are visible in wine-1.1.21 both with an Intel Xorg driver in
Ubuntu as well as with an NVidia 9400 chip in MacOS X.
[*] The color artifacts may be explained as follows, considering the earlier
build d4d133f032389f54a45e6c8397a932f0ac47b432
Go to the "single player race event" menu. The scene seems well drawn in 16 or
32 bit depth. However, as the mouse moves to the top 3 tabs, the scene view
darkens and looses colours. It looks very much like it was turned into an 8bit
picture. and exactly like after Aric's patch. Moving the mouse over it restores
the original variety of colours underneath, a "mouse lighting" effect I
described in bug #17234.
So an 8/16 bit depth mismatch could explain the observed change of colours.
Hence it is not the case that the later commit from Aric broke everything. It
just made the situation degrade, by displaying an 8bit-lookalike picture right
from the beginning.
Let's focus on a) and b) here and on the (supposedly) distinct mouse lag issue
in bug #17234. Both the trial and the retail version of MCM2 are affected, but
the demo is downloadable (40MB).
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