gsk: Allow 0 for gsk_gl_driver_begin_frame()
authorBenjamin Otte <otte@redhat.com>
Wed, 23 Nov 2016 00:03:59 +0000 (01:03 +0100)
committerBenjamin Otte <otte@redhat.com>
Mon, 5 Dec 2016 14:02:47 +0000 (15:02 +0100)
commit4b484557f5ce0e965f7edfac26b0178a3b5c1779
tree458b2c0fa48e04c2d3ad1d8dfcdeb78800721f36
parent4967257f3a11ce3dd22bc929e795ffd356ced908
gsk: Allow 0 for gsk_gl_driver_begin_frame()

Special-case this situation to unset the current framebuffer and render
to the backbuffer again.
gsk/gskgldriver.c