r600: for position invariant programs reading vert_pos is not always known at this...

diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c
index c84b0ac..ffc6068 100644 (file)
--- 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)