From 738b394769bb95036635f7a00a1ef08890c5be63 Mon Sep 17 00:00:00 2001
From: Andre Maasikas <amaasikas@gmail.com>
Date: Fri, 23 Oct 2009 14:25:09 +0300
Subject: [PATCH] r600: for position invariant programs reading vert_pos is not
 always known at this point

---
 src/mesa/drivers/dri/r600/r700_vertprog.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c
index c84b0ac0597..ffc6068bd88 100644
--- a/src/mesa/drivers/dri/r600/r700_vertprog.c
+++ b/src/mesa/drivers/dri/r600/r700_vertprog.c
@@ -515,6 +515,11 @@ void r700SetVertexFormat(GLcontext *ctx, const struct gl_client_array *arrays[],
     unsigned int unBit = mesa_vp->Base.InputsRead;
     context->nNumActiveAos = 0;
 
+    if (mesa_vp->IsPositionInvariant)
+    {
+        unBit |= VERT_BIT_POS;
+    }
+
     while(unBit) 
     {
         if(unBit & 1)
-- 
2.30.2