st/mesa: flip y coordinate of interpolateAtOffset for winsys
authorIlia Mirkin <imirkin@alum.mit.edu>
Fri, 13 May 2016 02:14:17 +0000 (22:14 -0400)
committerIlia Mirkin <imirkin@alum.mit.edu>
Fri, 13 May 2016 23:17:41 +0000 (19:17 -0400)
commita1c244479247a736961f637b415e07d327203250
tree980a19f5b0f3c71b6395adb8fe23cce96dcc67fc
parent0d8e850195704f5b3bc81bae4b73556a407465f2
st/mesa: flip y coordinate of interpolateAtOffset for winsys

This fixes a few dEQP tests like

dEQP-GLES31.functional.shaders.multisample_interpolation.interpolate_at_offset.no_qualifiers.default_framebuffer

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Dave Airlie <airlied@redhat.com>
src/mesa/state_tracker/st_glsl_to_tgsi.cpp