diff --git a/examples/shaders/postprocessing/glsl330/sobel.fs b/examples/shaders/postprocessing/glsl330/sobel.fs
index f317ae3..cb335c0 100644
--- a/examples/shaders/postprocessing/glsl330/sobel.fs
+++ b/examples/shaders/postprocessing/glsl330/sobel.fs
@@ -20,22 +20,22 @@ void main()
     float y = 1.0/resolution.y;
     
     vec4 horizEdge = vec4(0.0);
-    horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0;
-    horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y    ))*2.0;
-    horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0;
-    horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0;
-    horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y    ))*2.0;
-    horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0;
+    horizEdge -= texture(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0;
+    horizEdge -= texture(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y    ))*2.0;
+    horizEdge -= texture(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0;
+    horizEdge += texture(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0;
+    horizEdge += texture(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y    ))*2.0;
+    horizEdge += texture(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0;
     
     vec4 vertEdge = vec4(0.0);
-    vertEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0;
-    vertEdge -= texture2D(texture0, vec2(fragTexCoord.x    , fragTexCoord.y - y))*2.0;
-    vertEdge -= texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0;
-    vertEdge += texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0;
-    vertEdge += texture2D(texture0, vec2(fragTexCoord.x    , fragTexCoord.y + y))*2.0;
-    vertEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0;
+    vertEdge -= texture(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0;
+    vertEdge -= texture(texture0, vec2(fragTexCoord.x    , fragTexCoord.y - y))*2.0;
+    vertEdge -= texture(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0;
+    vertEdge += texture(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0;
+    vertEdge += texture(texture0, vec2(fragTexCoord.x    , fragTexCoord.y + y))*2.0;
+    vertEdge += texture(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0;
     
     vec3 edge = sqrt((horizEdge.rgb*horizEdge.rgb) + (vertEdge.rgb*vertEdge.rgb));
     
-    finalColor = vec4(edge, texture2D(texture0, fragTexCoord).a);
+    finalColor = vec4(edge, texture(texture0, fragTexCoord).a);
 }
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