[Bug 26229] FEAR: waterplane rendering triggers SW fallback in mesa

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=26229

--- Comment #1 from Tobias Jakobi <liquid.acid at gmx.net> 2011-02-24 11:19:34 CST ---
Also could have verified this by using the debugging functionality of the intel
driver.

With INTEL_DEBUG=fall I get these:
intelCopyTexImage2D - fallback to swrast (intformat=35056, target=3553)
intelReadPixels: fallback to swrast
(modified the fallback printf to give me internal format and target)

35056 -> GL_DEPTH24_STENCIL8
3553 -> GL_TEXTURE_2D

Tracked this down into intel_copy_texsubimage.
Fallback kicks in because of:
"The blitter can't handle Y-tiled buffers."

Hmmmmmm..... I wonder why r600g is also affected by this?

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