[Bug 15636] Colin McRae Rally 2.0 draws no background during race

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=15636





--- Comment #6 from Jörg Höhle <hoehle at users.sourceforge.net>  2008-12-10 12:52:12 ---
>I've observed that versions of Wine around 1.0..1.1.2 manage
>to display *some* background (i.e. grey rectangles)

More precisely, the change between 1.1.2 and 1.1.3
14b24058d69d73ebf6b70bc36c8aa62993351079 is first bad commit
commit 14b24058d69d73ebf6b70bc36c8aa62993351079
Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Mon Jul 28 11:41:02 2008 -0500
    wined3d: GL_ARB_fragment_program ffp implementation.
broke the rendering of grey building rectangles.

Very old versions of wine, e.g. 0.9.57, behave much like 1.1.3-1.1.10: no
background is drawn at all. Sadly, I cannot identify what commit enabled the
greyscale rectangles, as I too often get crashes during regression testing. It
happened somewhere between 0.9.57 and 1.0-rc1.


I thought that the missing background might be some hardware driver issue. So I
tried and switched to software rendering instead, using a recent enough version
of XOrg/Mesa, as found in Ubuntu Intrepid (previous tests were with Ubuntu
Hardy).

LIBGL_ALWAYS_SOFTWARE=yes changes nothing to rendering (except it's dog slow)
LIBGL_ALWAYS_INDIRECT=yes crashes the Xorg server (version 1.5.2, Ubuntu
Intrepid)

Do the identical results with LIBGL_ALWAYS_SOFTWARE eliminate the possibility
of a bug in the Intel XOrg driver?
Does *_ALWAYS_SOFTWARE act like a portable, hardware-independent display driver
so one could "prove" bugs must be somewhere else?


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