From ac679a85049a178923de8f4de61c1d47496d6093 Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Mon, 20 Apr 2026 04:12:16 +0200
Subject: [PATCH] glsl: translate fma as fma_weak

Our glsl compiler only supports OpenGL GLSL and there ffma is not
guaranteed to be fused.

Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41165>
---
 src/compiler/glsl/glsl_to_nir.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp
index c163724437a..4738c76dd6f 100644
--- a/src/compiler/glsl/glsl_to_nir.cpp
+++ b/src/compiler/glsl/glsl_to_nir.cpp
@@ -2569,7 +2569,7 @@ nir_visitor::visit(ir_expression *ir)
 
    case ir_binop_ldexp: result = nir_ldexp(&b, srcs[0], srcs[1]); break;
    case ir_triop_fma:
-      result = nir_ffma_old(&b, srcs[0], srcs[1], srcs[2]);
+      result = nir_ffma_weak(&b, srcs[0], srcs[1], srcs[2]);
       break;
    case ir_triop_lrp:
       result = nir_flrp(&b, srcs[0], srcs[1], srcs[2]);