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

Chris Wilson chris at chris-wilson.co.uk
Thu Mar 29 07:07:24 PDT 2012

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 Wilson, Intel Open Source Technology Centre

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