From 6e72f0f81b05a02341fb68c9d6de96c33ec5ca96 Mon Sep 17 00:00:00 2001
From: Mel Henning <mhenning@darkrefraction.com>
Date: Fri, 2 May 2025 19:34:22 -0400
Subject: [PATCH] nak: Add Src::is_unmodified() helper

Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Fixes: bad23ddb48 ("nak: Add F16 and F16v2 sources")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34794>
---
 src/nouveau/compiler/nak/ir.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/nouveau/compiler/nak/ir.rs b/src/nouveau/compiler/nak/ir.rs
index d8586624c44..e9552d9da00 100644
--- a/src/nouveau/compiler/nak/ir.rs
+++ b/src/nouveau/compiler/nak/ir.rs
@@ -1202,6 +1202,10 @@ impl Src {
         b.into()
     }
 
+    pub fn is_unmodified(&self) -> bool {
+        self.src_mod.is_none() && self.src_swizzle.is_none()
+    }
+
     pub fn fabs(self) -> Src {
         Src {
             src_ref: self.src_ref,
@@ -1241,7 +1245,7 @@ impl Src {
             _ => return None,
         };
 
-        if self.src_mod.is_none() && self.src_swizzle.is_none() {
+        if self.is_unmodified() {
             return Some(u);
         }