[Piglit] [PATCH] fbo-maxsize: minor test improvements

Eric Anholt eric at anholt.net
Mon Mar 4 15:30:36 PST 2013

Brian Paul <brianp at vmware.com> writes:

> Clear the large FBO to a non-black color and probe for it in the
> final test.
> This uncovers a bug in Mesa's llvmpipe driver where we ran out of
> bin commmand memory and skipped some tiles, leaving them black.
> Setting the clear color to white (and actually clearing the FBO)
> helps to detect that.

Was this unique to clear operations?  Otherwise, why change from 4 pixel
probes to 5, instead of just doing some drawing that covers the whole
screen and probing the whole screen?
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: not available
URL: <http://lists.freedesktop.org/archives/piglit/attachments/20130304/a71b2ac5/attachment.pgp>

More information about the Piglit mailing list