softgpu: Fix lighting with 0 exp.

Broken in hrydgard#15317. Fixes Kratos scene demo.
unknownbrackets · Jan 2, 2023 · f1b5cbf · f1b5cbf
1 parent 0f4f999
commit f1b5cbf
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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);
 	}