From 3d21eb3b7d81f1f97673298b7fb7913a5d5e8220 Mon Sep 17 00:00:00 2001
From: Timothy Arceri <tarceri@itsqueeze.com>
Date: Mon, 13 Nov 2017 12:12:21 +1100
Subject: [PATCH] gallium/tgsi: add prim id to tgsi_get_gl_varying_semantic()
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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
 src/gallium/auxiliary/tgsi/tgsi_from_mesa.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c b/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c
index b7a21f29bad..31be7d946b7 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_from_mesa.c
@@ -62,6 +62,10 @@ tgsi_get_gl_varying_semantic(gl_varying_slot attr,
                              unsigned *semantic_index)
 {
    switch (attr) {
+   case VARYING_SLOT_PRIMITIVE_ID:
+      *semantic_name = TGSI_SEMANTIC_PRIMID;
+      *semantic_index = 0;
+      break;
    case VARYING_SLOT_POS:
       *semantic_name = TGSI_SEMANTIC_POSITION;
       *semantic_index = 0;
-- 
2.11.0