From 364126d86c2b1586155893b8a575dd225b8bdd56 Mon Sep 17 00:00:00 2001
From: nekocode <syfyw@qq.com>
Date: Mon, 8 Aug 2016 16:47:12 +0800
Subject: [PATCH] Fix pixelize filter's issue

---
 README.md                         | 2 +-
 app/src/main/res/raw/pixelize.fsh | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 1e060c0..3d3d8fe 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 
 Realtime camera filters. Process frames by OpenGL shaders.
 
-**[Download the apk](https://github.com/WeLikeVis/CameraFilter/releases/download/1.2/app-debug.apk)** to have a try.
+**[Download the apk](https://github.com/WeLikeVis/CameraFilter/releases/download/1.2.1/app-debug.apk)** to have a try.
 
 ## Filters
 
diff --git a/app/src/main/res/raw/pixelize.fsh b/app/src/main/res/raw/pixelize.fsh
index 31e1742..d3e489d 100644
--- a/app/src/main/res/raw/pixelize.fsh
+++ b/app/src/main/res/raw/pixelize.fsh
@@ -6,10 +6,11 @@ uniform vec3                iResolution;
 uniform samplerExternalOES  sTexture;
 varying vec2                texCoord;
 
-void mainImage(out vec4 f,vec2 u)
+#define S (iResolution.x / 6e1) // The cell size.
+
+void mainImage(out vec4 c, vec2 p)
 {
-    vec2 r = iResolution.xy;
-    f = texture2D(sTexture,ceil(u / (r.x/1e2)) * r.x/1e2 / r);
+    c = texture2D(sTexture, floor((p + .5) / S) * S / iResolution.xy);
 }
 
 void main() {