From 110d5cc83c18999e578ef7485e3c976446176b81 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 6 May 2010 11:24:50 -0700
Subject: [PATCH] ir_to_mesa: Support gl_Position output.

---
 ir_to_mesa.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ir_to_mesa.cpp b/ir_to_mesa.cpp
index f8b37dd2028..9f9113d2c31 100644
--- a/ir_to_mesa.cpp
+++ b/ir_to_mesa.cpp
@@ -442,6 +442,9 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
    if (strncmp(var->name, "gl_", 3) == 0) {
       if (strcmp(var->name, "gl_FragColor") == 0) {
 	 ir_to_mesa_set_tree_reg(tree, PROGRAM_INPUT, FRAG_ATTRIB_COL0);
+      } else if (strcmp(var->name, "gl_Position") == 0) {
+	 ir_to_mesa_set_tree_reg(tree, PROGRAM_OUTPUT,
+				 VERT_RESULT_HPOS);
       } else {
 	 assert(0);
       }
-- 
2.30.2