Mesa (master): i965: Ignore execution mask for the mov(m0, g0) of VS URB write header on SNB.

Eric Anholt anholt at kemper.freedesktop.org
Mon Mar 22 22:05:34 UTC 2010


Module: Mesa
Branch: master
Commit: a9acde6a723c8f343f65243d1ccac6836215ba0c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a9acde6a723c8f343f65243d1ccac6836215ba0c

Author: Eric Anholt <eric at anholt.net>
Date:   Fri Mar 19 15:04:17 2010 -0700

i965: Ignore execution mask for the mov(m0, g0) of VS URB write header on SNB.

Otherwise, we may not get the FFTID set up which would break freeing
of resources.

---

 src/mesa/drivers/dri/i965/brw_eu_emit.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index d2395de..c33c3de 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -1416,7 +1416,10 @@ void brw_urb_WRITE(struct brw_compile *p,
     * and the first message register index comes from src0.
     */
    if (intel->gen >= 6) {
+      brw_push_insn_state(p);
+      brw_set_mask_control( p, BRW_MASK_DISABLE );
       brw_MOV(p, brw_message_reg(msg_reg_nr), src0);
+      brw_pop_insn_state(p);
       src0 = brw_message_reg(msg_reg_nr);
    }
 




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