Undoing change from review feedback as it led to an incorrect result in some cases.

Signed-off-by: Ken Pruiksma <pruiksma@amazon.com>
2021-07-07 17:13:43 -05:00
parent 30f8c75613
commit 5e98eefcc2
1 changed files with 3 additions and 7 deletions
@@ -111,13 +111,9 @@ float IntegrateEdge(float3 v1, float3 v2)
 float IntegrateEdgeDiffuse(float3 v1, float3 v2)
 {
    float cosTheta = dot(v1, v2);
-    float theta_sinTheta = 0.0;
-    if (cosTheta > 0.0)
-    {
-        float absCosTheta = abs(cosTheta);
-        theta_sinTheta = 1.5708 + (-0.879406 + 0.308609 * absCosTheta) * absCosTheta;
-    }
-    else
+    float absCosTheta = abs(cosTheta);
+    float theta_sinTheta = 1.5708 + (-0.879406 + 0.308609 * absCosTheta) * absCosTheta;
+    if (cosTheta < 0.0)
    {
        theta_sinTheta = PI * rsqrt(1.0 - cosTheta * cosTheta) - theta_sinTheta;
    }