llvmpipe: wide line cts fails
I'm seeing these tests failing:
dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_center
dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_corner
Here's dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_center
@sroland @kusma maybe one of you knows what's going on?