http://bugs.freedesktop.org/show_bug.cgi?id=15371
Summary: Draw untransformed repeating NPOT sources with tiles
Product: xorg
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [EMAIL PROTECTED]
Created an attachment (id=15707)
--> (http://bugs.freedesktop.org/attachment.cgi?id=15707)
The patch
When we have a repeating source that's non-power-of-two in a
dimension, we can't turn on wrap for that dimension, but
if we aren't transforming then we can break the destination
area up into tiles, each tile contained completely within
a single copy of the source, and render the tiles one-by-one.
This turns out to make a big difference for the way that cairo
handles horizontal and vertical or gradients, which is to
render a thin strip (POT in the repeating direction, not-necessarily-POT
in the other), then tile it. Not having that as a software
fallback makes my desktop much more usable.
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