http://gitweb.freedesktop.org/?p=xorg/xserver.git;a=commitdiff;h=
c19ece1d8c32dc81740a4036a642661f54064e75
was a mismerge that avoided setting the maskTransform condition when the mask
has a transform. This allowed a special case routine to be chosen when the
mask had a transform, which is not expected by the special case routines.
{
maskRepeat = pMask->common.repeat == PIXMAN_REPEAT_NORMAL;
+ maskTransform = pMask->common.transform != 0;
if (pMask->common.filter == PIXMAN_FILTER_CONVOLUTION)
maskTransform = TRUE;