From 5a459b8f6b0b59814865bc5869a868269f8f7ebf Mon Sep 17 00:00:00 2001
From: Filip Gawin <filip.gawin@zoho.com>
Date: Thu, 3 Mar 2022 02:39:00 +0100
Subject: [PATCH] r300: fix swizzle handling in transformation of abs

Helps with scalar opcodes like pow.
(which are propagating first used channel)

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15222>
---
 src/gallium/drivers/r300/compiler/r3xx_vertprog.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r300/compiler/r3xx_vertprog.c b/src/gallium/drivers/r300/compiler/r3xx_vertprog.c
index 39db61e1682..bbfbf6ea9dd 100644
--- a/src/gallium/drivers/r300/compiler/r3xx_vertprog.c
+++ b/src/gallium/drivers/r300/compiler/r3xx_vertprog.c
@@ -700,12 +700,13 @@ static int transform_nonnative_modifiers(
 			new_inst->U.I.DstReg.File = RC_FILE_TEMPORARY;
 			new_inst->U.I.DstReg.Index = temp;
 			new_inst->U.I.SrcReg[0] = inst->U.I.SrcReg[i];
+			new_inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW;
 			new_inst->U.I.SrcReg[1] = inst->U.I.SrcReg[i];
+			new_inst->U.I.SrcReg[1].Swizzle = RC_SWIZZLE_XYZW;
 			new_inst->U.I.SrcReg[1].Negate ^= RC_MASK_XYZW;
 
 			inst->U.I.SrcReg[i].File = RC_FILE_TEMPORARY;
 			inst->U.I.SrcReg[i].Index = temp;
-			inst->U.I.SrcReg[i].Swizzle = RC_SWIZZLE_XYZW;
 			inst->U.I.SrcReg[i].RelAddr = 0;
 		}
 	}