commit 7a52f4573001916f2abed9edb6b5389df9a9bd94
Author: Leszek Koltunski <leszek@distoretedandroid.org>
Date:   Thu May 25 13:09:45 2017 +0100

    Minor speedup.

diff --git a/src/main/java/org/distorted/library/EffectQueuePostprocess.java b/src/main/java/org/distorted/library/EffectQueuePostprocess.java
index 53f9927..7ea18e9 100644
--- a/src/main/java/org/distorted/library/EffectQueuePostprocess.java
+++ b/src/main/java/org/distorted/library/EffectQueuePostprocess.java
@@ -310,13 +310,9 @@ class EffectQueuePostprocess extends EffectQueue
       buffer2.setAsInput();
       buffer1.setAsOutput();
 
-      GLES30.glStencilMask(0xff);
-      GLES30.glDepthMask(true);
       GLES30.glColorMask(true,true,true,true);
       GLES30.glClearColor(0.0f,0.0f,0.0f,0.0f);
-      GLES30.glClearDepthf(1.0f);
-      GLES30.glClearStencil(0);
-      GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT|GLES30.GL_DEPTH_BUFFER_BIT|GLES30.GL_STENCIL_BUFFER_BIT);
+      GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT);
 
       GLES30.glUniform1fv( mWeights2H, radius+1, weightsCache,offset);
       GLES30.glUniform1i( mRadius2H, radius);