st_glsl_to_tgsi: translate interp mode for front/back color

this fixes a bunch of interpolation tests on softpipe at least.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index b83c561..d62bfcd 100644 (file)
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -530,12 +530,12 @@ st_translate_fragment_program(struct st_context *st,
             case FRAG_ATTRIB_COL0:
                input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
                input_semantic_index[slot] = 0;
-               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]);
                break;
             case FRAG_ATTRIB_COL1:
                input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
                input_semantic_index[slot] = 1;
-               interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+               interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr]);
                break;
             case FRAG_ATTRIB_FOGC:
                input_semantic_name[slot] = TGSI_SEMANTIC_FOG;