Module: Mesa
Branch: master
Commit: ecf428aa5945c5e1941b6bf496a381c7a09cdda2
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=ecf428aa5945c5e1941b6bf496a381c7a09cdda2
Author: Matt Turner <matts...@gmail.com>
Date: Fri Apr 24 11:28:04 2015 -0700
i965/fs: Fix stride for multiply in macro.
We have to use W/UW type for src1 of the multiply in the MUL/MACH macro,
but in order to read the low 16-bits of each 32-bit integer, we need to
set the appropriate stride.
Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index cf59570..f37fdea 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -916,8 +916,10 @@ fs_visitor::visit(ir_expression *ir)
mul->src[1].type == BRW_REGISTER_TYPE_UD);
if (mul->src[1].type == BRW_REGISTER_TYPE_D) {
mul->src[1].type = BRW_REGISTER_TYPE_W;
+ mul->src[1].stride = 2;
} else {
mul->src[1].type = BRW_REGISTER_TYPE_UW;
+ mul->src[1].stride = 2;
}
}
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