Attachment 120561 Details for Bug 92595 – Hack that fix the difference in results between HSW and BDW/SKL

Hack that fix the difference in results between HSW and BDW/SKL

0001-i965-shaderbitfield-fix-gen8.patch (text/plain), 1.01 KB, created by Marta Löfstedt on 2015-12-17 12:04:54 UTC

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Creator: Marta Löfstedt

Created: 2015-12-17 12:04:54 UTC

Size: 1.01 KB

patch

obsolete

>From e42a7c772b2dd437856cef1b470c018984d6356f Mon Sep 17 00:00:00 2001
>From: Marta Lofstedt <marta.lofstedt@intel.com>
>Date: Wed, 16 Dec 2015 18:08:41 +0100
>Subject: [PATCH v2] i965: shaderbitfield fix gen8
>
>---
> src/mesa/drivers/dri/i965/brw_fs.cpp | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
>diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
>index c833ef0..362cbd8 100644
>--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
>+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
>@@ -3421,8 +3421,7 @@ fs_visitor::lower_integer_multiplication()
>              */
>             assert(mul->src[1].type == BRW_REGISTER_TYPE_D ||
>                    mul->src[1].type == BRW_REGISTER_TYPE_UD);
>-            mul->src[1].type = (type_is_signed(mul->src[1].type) ?
>-                                BRW_REGISTER_TYPE_W : BRW_REGISTER_TYPE_UW);
>+            mul->src[1].type = BRW_REGISTER_TYPE_UW;
>             mul->src[1].stride *= 2;
> 
>          } else if (devinfo->gen == 7 && !devinfo->is_haswell &&
>-- 
>2.5.0
>

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Attachments on bug 92595: 119066 | 120550 | 120561

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