svga: add support for interpolation at sample position
authorBrian Paul <brianp@vmware.com>
Tue, 1 Aug 2017 03:12:07 +0000 (21:12 -0600)
committerBrian Paul <brianp@vmware.com>
Mon, 10 Sep 2018 19:07:30 +0000 (13:07 -0600)
commit36c84bcd7709d760fe30151d2c78a8d3c300978a
treea8a37141a58b6b85bc02fb066c3ea006dbcc1657
parentbcf7aaa9f7a848f4acae5fa68ac9a422deb6181a
svga: add support for interpolation at sample position

Vs. sampling at the centroid or the fragment center.

Note that this does not fix failures with the Piglit
arb_sample_shading-interpolate-at-sample-position or
arb_sample_shading-ignore-centroid-qualifier.exe tests at this time.

Reviewed-by: Charmaine Lee <charmainel@vmware.com>
src/gallium/drivers/svga/svga_tgsi_vgpu10.c