sna/trapezoids: Fix loss of precision through projection onto sample grid

Graphics / X.Org / xf86-video-intel - Chris Wilson [chris-wilson.co.uk] - 30 September 2014 01:59 UTC

Preserve the original precision for the line vectors of the trapezoids, and leave the final projection onto the x-cell until last.

Finishes accidental wip commit in 8aff3898c35e3.

bca08dc sna/trapezoids: Fix loss of precision through projection onto sample grid
src/sna/sna_trapezoids_precise.c | 438 ++++++++++++++++----------------------
1 file changed, 184 insertions(+), 254 deletions(-)

Upstream: cgit.freedesktop.org

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