Mesa (master): i965/fs: Emit a single ADD instruction for SET_SAMPLE_ID on Gen8+.
Matt Turner
mattst88 at kemper.freedesktop.org
Thu Oct 22 19:28:22 UTC 2015
Module: Mesa
Branch: master
Commit: e2707c8765b15b7ac666067160307c7f9d2d8b4d
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e2707c8765b15b7ac666067160307c7f9d2d8b4d
Author: Matt Turner <mattst88 at gmail.com>
Date: Tue Oct 20 18:31:02 2015 -0700
i965/fs: Emit a single ADD instruction for SET_SAMPLE_ID on Gen8+.
Gen8+ lifted the register region restriction that an instruction whose
destination spans two registers must have sources that also span two
registers.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>
---
src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index cee7c68..139d1dd 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -1505,7 +1505,7 @@ fs_generator::generate_set_sample_id(fs_inst *inst,
src0.type == BRW_REGISTER_TYPE_UD);
struct brw_reg reg = stride(src1, 1, 4, 0);
- if (dispatch_width == 8) {
+ if (devinfo->gen >= 8 || dispatch_width == 8) {
brw_ADD(p, dst, src0, reg);
} else if (dispatch_width == 16) {
brw_push_insn_state(p);
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