Mesa: fix the case where there are no vertex attributes.

This is a backport of 8e8208d6db8b764568539784a6473d545dec2265 to gallium-0.1

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index bdf8648ef7ca92694bb0c934d4f6a3d96521841f..61949a93884f4b91e7265ddd21269eb0ebb268c9 100644 (file)
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -525,6 +525,8 @@ st_draw_vbo(GLcontext *ctx,
                                 vbuffer, velements);
       num_vbuffers = 1;
       num_velements = vp->num_inputs;
+      if (num_velements == 0)
+         num_vbuffers = 0;
    }
    else {
       /*printf("Draw non-interleaved\n");*/