Cutoff conditional in light shader

files/settings-default.cfg

@@ -448,7 +448,7 @@ lighting method = experimental
 # Sets the bounding sphere multiplier of light sources, which are used to determine if an object should
 # receive lighting. Higher values will allow for smoother transitions of light sources, but may have a performance cost and
 # requires a higher number of 'max lights' set. It is recommended to keep this at 1.0 with 'legacy' lighting enabled.
-light bounds multiplier =  2.0
+light bounds multiplier =  1.0
 
 # The distance from the camera at which lights fade away completely. Set to 0 to disable fading.
 maximum light distance = 8192

files/shaders/lighting.glsl

@@ -101,6 +101,17 @@ void perLightPoint(out vec3 ambientOut, out vec3 diffuseOut, int lightIndex, vec
     vec3 lightDir = getLight[lightIndex].position.xyz - viewPos;
 
     float lightDistance = length(lightDir);
+
+#if !@ffpLighting
+    // This has a *considerable* performance uplift where GPU is a bottleneck
+    if (lightDistance > getLight[lightIndex].attenuation.w * 2.0)
+    {
+        ambientOut = vec3(0.0);
+        diffuseOut = vec3(0.0);
+        return;
+    }
+#endif
+
     lightDir = normalize(lightDir);
 
 #if @ffpLighting