http://bugs.freedesktop.org/show_bug.cgi?id=25833
Summary: Rendering stops, maybe clipping problem.
Product: DRI
Version: DRI CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=32377)
--> (http://bugs.freedesktop.org/attachment.cgi?id=32377)
Origin outside visibile area from the top.
Linux 2.6.32
libgl 7.7
xf86-video-ati 6.12.4
libdrm 2.4.17
Using glxgears as benchmark..yes I know it is not really.
In non compositing environment, when glxgears window origin is moved out of
current desktop(left and up coordinates), rendering stops (shows last rendered
frame, clipped with the window border of-course) frames go high ~4500 as of my
hardware RS780(full window visible ~ 1900FPS).
On the other hand, when the glxgears window is under other window, entirely,
frames drop down to ~100.
When simultaneously origin outside desktop and covered by window entirely FPS
are ~100 too.
In compositing environment, when moving window with GL context, window moves
(content black), but GL rendering context stays(and continue to render) on the
old place, above any windows. When I finish the move, then it moves in to GL
window as usual. When the window origin is moved beyond desktop dimensions,
window content stays black.
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