1 files changed, 9 insertions, 31 deletions
diff --git a/res/effectlib/funcspecularBSDF.glsllib b/res/effectlib/funcspecularBSDF.glsllib
index e9450bf..f774b0b 100644
--- a/res/effectlib/funcspecularBSDF.glsllib
+++ b/res/effectlib/funcspecularBSDF.glsllib
@@ -6,37 +6,15 @@
 #define scatter_reflect_transmit  2
 #endif
 
-vec4 specularBSDF(in vec3 N, in vec3 L, in vec3 viewDir, in vec3 lightSpecular,
-                  in float ior, in float shininess, in vec3 tint, int mode)
+vec4 specularBSDF(in vec3 N, in vec3 L, in vec3 viewDir, in vec3 lightSpecular, in float shininess)
 {
-    vec4 rgba = vec4( 0.0, 0.0, 0.0, 1.0 );
-    float cosTheta = dot( N, L );
-    if ( 0.0 < cosTheta )
-    {
-        if ( ( mode == scatter_reflect ) || ( mode == scatter_reflect_transmit ) )
-        {
-            vec3 R = reflect( -L, N );
-            float cosAlpha = max( 0.0, dot( R, viewDir ) );
-            float shine = pow( cosAlpha, shininess );
-            rgba.rgb = shine * lightSpecular;
-        }
+    vec4 rgba = vec4(0.0, 0.0, 0.0, 1.0);
+    float cosTheta = dot(N, L);
+    if (0.0 < cosTheta) {
+        vec3 R = reflect(-L, N);
+        float cosAlpha = max(0.0, dot(R, viewDir));
+        float shine = pow(cosAlpha, shininess);
+        rgba.rgb = shine * lightSpecular;
     }
-    if ( ( mode == scatter_transmit ) || ( mode == scatter_reflect_transmit ) )
-    {
-        // check against total reflection
-        vec3 R = refract( -viewDir, N, ior );
-        if ( R == vec3( 0.0, 0.0, 0.0 ) )
-        {
-            rgba.a = 1.0;
-        }
-        else if ( mode == scatter_transmit )
-        {
-            rgba.a = 0.0;
-        }
-        else
-        {
-            rgba.a = 1.0 - luminance( tint );
-        }
-    }
-    return( rgba );
+    return rgba;
 }