Commit c116ee60 authored by Dave Airlie's avatar Dave Airlie

st/mesa: add support for viewport index semantic

This adds GS output and FS input support, even though FS input
support isn't supported until GLSL 4.30 from what I can see.
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent a21552a9
......@@ -572,6 +572,11 @@ st_translate_fragment_program(struct st_context *st,
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
case VARYING_SLOT_VIEWPORT:
input_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX;
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
case VARYING_SLOT_CLIP_DIST0:
input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
input_semantic_index[slot] = 0;
......@@ -1027,6 +1032,10 @@ st_translate_geometry_program(struct st_context *st,
gs_output_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
gs_output_semantic_index[slot] = 0;
break;
case VARYING_SLOT_VIEWPORT:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX;
gs_output_semantic_index[slot] = 0;
break;
case VARYING_SLOT_TEX0:
case VARYING_SLOT_TEX1:
case VARYING_SLOT_TEX2:
......
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