Mesa (master): r600: for position invariant programs reading vert_pos is not always known at this point

[Andre Maasikas]

Module: Mesa
Branch: master
Commit: 738b394769bb95036635f7a00a1ef08890c5be63
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=738b394769bb95036635f7a00a1ef08890c5be63

Author: Andre Maasikas <amaasikas at gmail.com>
Date:   Fri Oct 23 14:25:09 2009 +0300

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 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c
index c84b0ac..ffc6068 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)