From a3f25bc7c7661f4764c9845cc184926660086f46 Mon Sep 17 00:00:00 2001
From: kd-11 <karokidii@gmail.com>
Date: Sun, 3 May 2020 16:27:16 +0300
Subject: [PATCH] rsx/interpreter: Fix DIVSQ instruction

---
 rpcs3/Emu/RSX/Common/Interpreter/FragmentInterpreter.glsl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rpcs3/Emu/RSX/Common/Interpreter/FragmentInterpreter.glsl b/rpcs3/Emu/RSX/Common/Interpreter/FragmentInterpreter.glsl
index 16a8b556ab..9b756e01f3 100644
--- a/rpcs3/Emu/RSX/Common/Interpreter/FragmentInterpreter.glsl
+++ b/rpcs3/Emu/RSX/Common/Interpreter/FragmentInterpreter.glsl
@@ -691,7 +691,11 @@ void main()
 			case RSX_FP_OPCODE_DIV:
 				vrr = s0 / s1.xxxx; break;
 			case RSX_FP_OPCODE_DIVSQ:
-				vrr = s0 * inversesqrt(s1.xxxx); break;
+				bvr0 = bvec4(s0);
+				sr0 = inversesqrt(s1.x);
+				vr0 = s0 * sr0;
+				vrr = select(s0, vr0, bvr0);
+				break;
 			case RSX_FP_OPCODE_REFL:
 				vrr = reflect(s0, s1); break;