[Bug 13313] Half life 2 hangs with a high cpu usage at a certain point in the game

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=13313

--- Comment #19 from Henri Verbeet <hverbeet at gmail.com> 2011-03-03 02:08:56 CST ---
(In reply to comment #18)
> Not being at all familiar with this code, I'm not sure where to get the
> framebuffer size. The function sets:
> 
"src_surface->get_drawable_size(context, &fbwidth, &fbheight);" should do. I'm
not sure the current code (before your patch) would handle this correctly
though. I think fb_copy_to_texture_hwstretch() was written with the idea that
it would always be used for copying the backbuffer to some other texture, but
it may also be used for copying from some offscreen render target. The
difference would mostly be significant when doing something like stretching
from a small offscreen surface to the backbuffer to create a blur effect.

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