[Bug 59322] r300g MSAA breaks Half-Life 2 in Wine

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59322

--- Comment #7 from Marek Olšák <maraeo at gmail.com> ---
Yes, the GALLIUM_MSAA environment variable might break some apps, because it
changes the default framebufer to MSAA, which adds lots of limitations to
BlitFramebuffer. For example, you can no longer use BlitFramebuffer to do a
stretched blit, because the ARB_fbo specification doesn't allow it if either
src or dst is multisample, etc.

That's why GALLIUM_MSAA should be used carefully.

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