From 9cce3f0e75ed0f6ff85372efd2736d531b8d9c31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ga=C3=ABtan=20Renaudeau?= <renaudeau.gaetan@gmail.com>
Date: Thu, 1 Oct 2015 14:22:43 +0200
Subject: [PATCH] really fix it (using another formula..)

---
 Examples/Tests/layer.frag | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Examples/Tests/layer.frag b/Examples/Tests/layer.frag
index ba35edf..279e6d1 100644
--- a/Examples/Tests/layer.frag
+++ b/Examples/Tests/layer.frag
@@ -7,5 +7,5 @@ uniform sampler2D t2;
 void main () {
   vec4 c1 = texture2D(t1, uv);
   vec4 c2 = texture2D(t2, uv);
-  gl_FragColor = vec4(mix(c1.rgb, c2.rgb, c2.a), 1.0);
+  gl_FragColor = vec4(mix(c1.rgb, c2.rgb, c2.a), c1.a + c2.a);
 }