Mesa (master): i965: Shut up Coverity warning about HiZ buffers.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 445367242a221d8e7d0f8ce31a9df75e86f8af0e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=445367242a221d8e7d0f8ce31a9df75e86f8af0e

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Tue Jul 25 10:27:03 2017 -0700

i965: Shut up Coverity warning about HiZ buffers.

Here the AUX_USAGE_* mode indicates that we have HiZ, so we will have
a HiZ buffer.  But Coverity doesn't know that, so it thinks it might
be NULL because we checked hiz_buf != NULL earlier.

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/mesa/drivers/dri/i965/brw_blorp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c
index a0f37780ef..b2987ca4fa 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -184,6 +184,7 @@ blorp_surf_for_miptree(struct brw_context *brw,
          surf->aux_addr.buffer = mt->mcs_buf->bo;
          surf->aux_addr.offset = mt->mcs_buf->offset;
       } else {
+         assert(mt->hiz_buf);
          assert(surf->aux_usage == ISL_AUX_USAGE_HIZ);
 
          surf->aux_addr.buffer = mt->hiz_buf->bo;