Mesa (master): i965: clear global offset to zero in m0.2 for VS DP read.
Nan hai Zou
znh at kemper.freedesktop.org
Thu Apr 7 05:28:37 UTC 2011
Module: Mesa
Branch: master
Commit: 66b66295d0bc856c69fdcccc22575580c7ecee16
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=66b66295d0bc856c69fdcccc22575580c7ecee16
Author: Zou Nan hai <nanhai.zou at intel.com>
Date: Thu Apr 7 21:07:57 2011 +0800
i965: clear global offset to zero in m0.2 for VS DP read.
Signed-off-by: Zou Nan hai <nanhai.zou at intel.com>
---
src/mesa/drivers/dri/i965/brw_eu_emit.c | 9 +++++++++
1 files changed, 9 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 57313a5..c5cde22 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -1759,6 +1759,11 @@ void brw_dp_READ_4_vs(struct brw_compile *p,
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_set_mask_control(p, BRW_MASK_DISABLE);
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+
+ /* M0.2 is global offset */
+ brw_MOV(p, retype(get_element(brw_message_reg(0), 2), BRW_REGISTER_TYPE_D),
+ brw_imm_d(0));
+
brw_MOV(p, retype(brw_vec1_reg(BRW_MESSAGE_REGISTER_FILE, msg_reg_nr, 2),
BRW_REGISTER_TYPE_UD),
brw_imm_ud(location));
@@ -1809,6 +1814,10 @@ void brw_dp_READ_4_vs_relative(struct brw_compile *p,
brw_set_mask_control(p, BRW_MASK_DISABLE);
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+ /* M0.2 is global offset */
+ brw_MOV(p, retype(get_element(brw_message_reg(0), 2), BRW_REGISTER_TYPE_D),
+ brw_imm_d(0));
+
/* M1.0 is block offset 0, M1.4 is block offset 1, all other
* fields ignored.
*/
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