Mesa (master): nvc0: force cache flush when binding a new ubo

[Samuel Pitoiset]

Module: Mesa
Branch: master
Commit: 958b5c31116f46a81249d11033164354ec158556
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=958b5c31116f46a81249d11033164354ec158556

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Tue Jul 21 21:58:08 2015 +0200

nvc0: force cache flush when binding a new ubo

This fixes the following piglit test:
  ext_transform_feedback-immediate-reuse-uniform-buffer

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

---

 src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c
index b07558a..2428314 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state_validate.c
@@ -455,6 +455,8 @@ nvc0_constbufs_validate(struct nvc0_context *nvc0)
                PUSH_DATA (push, (i << 4) | 1);
 
                BCTX_REFN(nvc0->bufctx_3d, CB(s, i), res, RD);
+
+               nvc0->cb_dirty = 1; /* Force cache flush for UBO. */
             } else {
                BEGIN_NVC0(push, NVC0_3D(CB_BIND(s)), 1);
                PUSH_DATA (push, (i << 4) | 0);