From 66987d687879017affb787b4a3ffb1ef11880336 Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Mon, 2 Oct 2017 09:09:22 -0300
Subject: [PATCH] missing PI division on vertex shader

---
 drivers/gles3/shaders/scene.glsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index 26395da294a..41d5ef5bc92 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -1,5 +1,6 @@
 [vertex]
 
+#define M_PI 3.14159265359
 
 /*
 from VisualServer:
@@ -166,7 +167,7 @@ out vec4 specular_light_interp;
 void light_compute(vec3 N, vec3 L,vec3 V, vec3 light_color,float roughness,inout vec3 diffuse, inout vec3 specular) {
 
 	float dotNL = max(dot(N,L), 0.0 );
-	diffuse += dotNL * light_color;
+	diffuse += dotNL * light_color / M_PI;
 
 	if (roughness > 0.0) {