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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Distorted graphics or black window when running Battle.net app on Intel hardware via wine"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84651#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - Distorted graphics or black window when running Battle.net app on Intel hardware via wine"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84651">bug 84651</a>
from <span class="vcard"><a class="email" href="mailto:lubosz@gmail.com" title="Lubosz Sarnecki <lubosz@gmail.com>"> <span class="fn">Lubosz Sarnecki</span></a>
</span></b>
<pre>This bug affects all application using Qt5 QtQuick 2 applications build with
MSVC run on i965.
<a href="http://en.wikipedia.org/wiki/Qt_Quick">http://en.wikipedia.org/wiki/Qt_Quick</a>
The MSVC Qt5 SDK uses the ANGLE graphics layer, in contrary to the MinGW one,
which uses Desktop OpenGL.
<a href="https://code.google.com/p/angleproject/">https://code.google.com/p/angleproject/</a>
Since native Qt5 Linux applications do not use ANGLE, only applications using
wine are affected.
I have uploaded precompiled versions of the QtQuick clock example, one using
MinGW, the other one MSVC.
<a href="https://drive.google.com/folderview?id=0B0bLtNyAhxgod2RGeXpmbVB0ejg&usp=sharing">https://drive.google.com/folderview?id=0B0bLtNyAhxgod2RGeXpmbVB0ejg&usp=sharing</a>
The bug only occurs for the MSVC/ANGLE version.
I also uploaded apitraces of the native Linux version and wine with MSVC and
MinGW.
All traces can be played back on nouveau and swrast (e.g.
LIBGL_ALWAYS_SOFTWARE=1).
The MSVC/ANGLE traces cannot be played back on i965. All software versions on
both systems are identical.
Traces using MSVC/ANGLE recorded on nouveau also cannot be played back on i965.
Analyzing the MSVC/ANGLE trace with qapitrace on i965 shows that the texture is
uploaded correctly, but apparently not displayed correctly.
<a href="http://imgur.com/N5Yipyf">http://imgur.com/N5Yipyf</a></pre>
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