gallium: tgsi_from_mesa - handle VARYING_SLOT_FACE

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3286>

diff --git a/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c b/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c
index 659156b5190acd860ceca5fe8641231867deb7f4..19384cf4b2780b775a60d17733fde71769844eb8 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c
@@ -123,6 +123,10 @@ tgsi_get_gl_varying_semantic(gl_varying_slot attr,
       *semantic_name = TGSI_SEMANTIC_VIEWPORT_INDEX;
       *semantic_index = 0;
       break;
+   case VARYING_SLOT_FACE:
+      *semantic_name = TGSI_SEMANTIC_FACE;
+      *semantic_index = 0;
+      break;
    case VARYING_SLOT_PNTC:
       *semantic_name = TGSI_SEMANTIC_PCOORD;
       *semantic_index = 0;