diff --git a/zoneb/bin/data/shaders/bound.frag b/zoneb/bin/data/shaders/bound.frag
index 2e82b4e..7bee519 100644
--- a/zoneb/bin/data/shaders/bound.frag
+++ b/zoneb/bin/data/shaders/bound.frag
@@ -99,7 +99,7 @@ void main() {
     dispColor.rgb = vec3(1);
   }
 
-  // color.r = 1.;
+  // dispColor.rgb = vec3(depthToSilhouette(texture2D(u_depth, st/u_resolution).r));
   gl_FragColor = vec4(dispColor, 1.0);
 #endif
 
diff --git a/zoneb/bin/data/shaders/render.frag b/zoneb/bin/data/shaders/render.frag
index 4098e35..911ea12 100644
--- a/zoneb/bin/data/shaders/render.frag
+++ b/zoneb/bin/data/shaders/render.frag
@@ -1,14 +1,14 @@
-#version 150
+#ifdef GL_ES
+precision mediump float;
+#endif
 
 // Custom attributes.
 
-uniform sampler2DRect uColorTex; // Sampler for the color registered data
+uniform sampler2D uColorTex; // Sampler for the color registered data
 
 in vec2 gTexCoord;
 
-out vec4 fragColor;
-
 void main()
 {
-    fragColor = texture(uColorTex, gTexCoord);
+    gl_FragColor = texture2D(uColorTex, gTexCoord);
 }
\ No newline at end of file
diff --git a/zoneb/bin/data/shaders/render.geom b/zoneb/bin/data/shaders/render.geom
index bdea1a0..1e61044 100644
--- a/zoneb/bin/data/shaders/render.geom
+++ b/zoneb/bin/data/shaders/render.geom
@@ -1,4 +1,6 @@
-#version 150
+#ifdef GL_ES
+precision mediump float;
+#endif
 
 layout (points) in;
 layout (triangle_strip) out;
diff --git a/zoneb/bin/data/shaders/render.vert b/zoneb/bin/data/shaders/render.vert
index 3786f21..a885a5f 100644
--- a/zoneb/bin/data/shaders/render.vert
+++ b/zoneb/bin/data/shaders/render.vert
@@ -1,4 +1,6 @@
-#version 150
+#ifdef GL_ES
+precision mediump float;
+#endif
 
 // OF built-in attributes.
 
@@ -6,21 +8,23 @@ uniform mat4 modelViewMatrix;
 
 // Custom attributes.
 
-uniform sampler2DRect uDepthTex; // Sampler for the depth space data
-uniform sampler2DRect uWorldTex; // Transformation from kinect depth/color space to kinect world space
+uniform sampler2D uDepthTex; // Sampler for the depth space data
+uniform sampler2D uWorldTex; // Transformation from kinect depth/color space to kinect world space
 
 uniform ivec2 uFrameSize;
 
+uniform vec2 u_resolution;
+
 out vec4 vPosition;
 out vec2 vTexCoord;
 flat out int vValid;
 
 void main()
 {
-    vTexCoord = vec2(gl_InstanceID % uFrameSize.x, gl_InstanceID / uFrameSize.x);
+    vTexCoord = vec2(gl_InstanceID % uFrameSize.x, gl_InstanceID / uFrameSize.x)/u_resolution;
 
-    float depth = texture(uDepthTex, vTexCoord).x;
-    vec4 ray = texture(uWorldTex, vTexCoord);
+    float depth = texture2D(uDepthTex, vTexCoord).x;
+    vec4 ray = texture2D(uWorldTex, vTexCoord);
 
     vValid = (depth != 0 && ray.x != 0 && ray.y != 0) ? 1 : 0;
 
diff --git a/zoneb/src/ofApp.cpp b/zoneb/src/ofApp.cpp
index bf08d9b..80645d0 100644
--- a/zoneb/src/ofApp.cpp
+++ b/zoneb/src/ofApp.cpp
@@ -20,15 +20,16 @@ void ofApp::setup()
   }
 
   // Load shader.
-  auto shaderSettings = ofShaderSettings();
-  shaderSettings.shaderFiles[GL_VERTEX_SHADER] = "shaders/render.vert";
-  shaderSettings.shaderFiles[GL_GEOMETRY_SHADER] = "shaders/render.geom";
-  shaderSettings.shaderFiles[GL_FRAGMENT_SHADER] = "shaders/render.frag";
-  shaderSettings.bindDefaults = true;
-  if (shader.setup(shaderSettings))
-  {
-    ofLogNotice(__FUNCTION__) << "Success loading shader!";
-  }
+  // auto shaderSettings = ofShaderSettings();
+  // shaderSettings.shaderFiles[GL_VERTEX_SHADER] = "shaders/render.vert";
+  // shaderSettings.shaderFiles[GL_GEOMETRY_SHADER] = "shaders/render.geom";
+  // shaderSettings.shaderFiles[GL_FRAGMENT_SHADER] = "shaders/render.frag";
+  // shaderSettings.bindDefaults = true;
+  // if (shader.setup(shaderSettings))
+  // {
+  //   ofLogNotice(__FUNCTION__) << "Success loading shader!";
+  // }
+  shader.load("shaders/render.vert", "shaders/render.frag", "shaders/render.geom");
 
   // Setup vbo.
   std::vector<glm::vec3> verts(1);