svga: add support for interpolation at sample position

Graphics / Mesa 3D Graphics Library / Mesa - Brian Paul [vmware.com] - 10 September 2018 19:07 EDT

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.

36c84bcd77 svga: add support for interpolation at sample position
src/gallium/drivers/svga/svga_tgsi_vgpu10.c | 28 +++++++++++++++++++++-------
1 file changed, 21 insertions(+), 7 deletions(-)

Upstream: cgit.freedesktop.org


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