Merged requested to merge karolherbst/xserver:server-1.20-branch into server-1.20-branch
_glamor_create_tex() fails to allocate the FBO because of
GL_OUT_OF_MEMORY error, the
pixmap_priv->fbo is NULL.
glamor_get_pixmap_texture() doesn't actually check whether
pixmap_priv->fbo is NULL and will segfault with a NULL pointer
dereference trying to access the
Signed-off-by: Olivier Fourdan firstname.lastname@example.org Closes: #647 (closed) (Cherry picked from commit 74479a99)