From f1b5cbf993680b33493e032f9bad0d2c821e3bc1 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Mon, 2 Jan 2023 11:42:52 -0800
Subject: [PATCH] softgpu: Fix lighting with 0 exp.

Broken in #15317.  Fixes Kratos scene demo.
---
 GPU/Software/Lighting.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/GPU/Software/Lighting.cpp b/GPU/Software/Lighting.cpp
index 82315b1b20..88a950d930 100644
--- a/GPU/Software/Lighting.cpp
+++ b/GPU/Software/Lighting.cpp
@@ -35,6 +35,9 @@ static inline Vec3f GetLightVec(const u32 lparams[12], int light) {
 }
 
 static inline float pspLightPow(float v, float e) {
+	if (e <= 0.0f) {
+		return 1.0f;
+	}
 	if (v > 0.0f) {
 		return pow(v, e);
 	}