Clamp SpecularIBL value on positive range

2014-12-09 01:33:58 +01:00
parent 25e059dd3e
commit d97b9f2d0e
1 changed files with 1 additions and 1 deletions
--- a/data/shaders/utils/SpecularIBL.frag
+++ b/data/shaders/utils/SpecularIBL.frag
@@ -7,5 +7,5 @@ vec3 SpecularIBL(vec3 normal, vec3 V, float roughness)

     // Assume 8 level of lod (ie 256x256 texture)
    float lodval = 8. * (1. - roughness);
-    return textureLod(probe, sampleDirection, lodval).rgb;
+    return max(textureLod(probe, sampleDirection, lodval).rgb, vec3(0.));
 }