From cc10ea32562faf89a2407b4e29a84aaa48c1e30b Mon Sep 17 00:00:00 2001
From: Ben Fry <fry@processing.org>
Date: Tue, 9 Jun 2015 12:06:16 -0400
Subject: [PATCH] add notes to smoothing numbers

---
 core/src/processing/opengl/PGL.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/src/processing/opengl/PGL.java b/core/src/processing/opengl/PGL.java
index 9bcd56ea7..4a9cca21b 100644
--- a/core/src/processing/opengl/PGL.java
+++ b/core/src/processing/opengl/PGL.java
@@ -359,10 +359,13 @@ public abstract class PGL {
 
   static protected int smoothToSamples(int smooth) {
     if (smooth == 0) {
+      // smooth(0) is noSmooth(), which is 1x sampling
       return 1;
     } else if (smooth == 1) {
+      // smooth(1) means "default smoothing", which is 2x for OpenGL
       return 2;
     } else {
+      // smooth(N) can be used for 4x, 8x, etc
       return smooth;
     }
   }