[cairo] [patch] gl: fix y-axis origin when map_to_image() for non texture GL surface

[Chris Wilson]

On Thu, 29 Mar 2012 01:08:51 +0000, "Henry (Yu) Song - SISA" <hsong at sisa.samsung.com> wrote:
> We need to fix y-axis origin when map a GL surface to image surface for non-texture GL surface.  Test cases: extended-blend-alpha-mask, extended-blend-mask.  Although the image outputs is not right, but the image on the first grid (upper-left corner) is right comparing to image output before patch.

So _cairo_gl_flip_y rears it ugly head again. Pushed,
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre