Eevee: Refraction: Fix low roughness artifact.

2017-08-11 12:53:17 +02:00
parent 317b8d9669
commit d9f2e4c4c5
1 changed files with 1 additions and 1 deletions
--- a/source/blender/draw/engines/eevee/shaders/ssr_lib.glsl
+++ b/source/blender/draw/engines/eevee/shaders/ssr_lib.glsl
@@ -4,7 +4,7 @@

 vec4 screen_space_refraction(vec3 viewPosition, vec3 N, vec3 V, float ior, float roughnessSquared, vec3 rand, float ofs)
 {
-	float a2 = roughnessSquared * roughnessSquared;
+	float a2 = max(5e-6, roughnessSquared * roughnessSquared);
 	float jitter = fract(rand.x + ofs);

 	/* Importance sampling bias */