Repe [T3DU] and Moises Jpelaez updates

leenkx/Shaders/std/brdf.glsl

@@ -37,7 +37,7 @@ float d_ggx(const float nh, const float a) {
 vec3 specularBRDF(const vec3 f0, const float roughness, const float nl, const float nh, const float nv, const float vh) {
 	float a = roughness * roughness;
 	vec3 result = d_ggx(nh, a) * g2_approx(nl, nv, a) * f_schlick(f0, vh) / max(4.0 * nv, 1e-5); //NdotL cancels out later
-	return min(result, vec3(200.0));
+	return result;
 }
 
 // John Hable - Optimizing GGX Shaders
@@ -79,7 +79,7 @@ vec3 orenNayarDiffuseBRDF(const vec3 albedo, const float roughness, const float
 }
 
 vec3 lambertDiffuseBRDF(const vec3 albedo, const float nl) {
-	return albedo * nl;
+	return albedo * (1.0 / 3.1415926535) * nl;
 }
 
 vec3 surfaceAlbedo(const vec3 baseColor, const float metalness) {