[Bug 110214] radeonsi: xterm scrollback buffer disappears while Shift+PgUp and PgDn

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110214

--- Comment #69 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Marek Olšák from comment #67)
> Primitives aren't reordered with DPBB. Primitives can't also survive a
> barrier with DPBB. DPBB has no effect on behavior, it just changes how PS
> wavefronts are formed.

Is there any way that could affect the glamor shader which samples from one
area of a buffer and draws to another (non-overlapping) area of the same
buffer?

What is the reason for radeonsi disabling DPBB for blits?

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