Use textureSize() instead of sending in uniforms manually. Same result, less code...

[nageru] / sobel.frag

diff --git a/sobel.frag b/sobel.frag
index 518b6f8abcdadb4491b8e1187f6cea3e696fa477..90c6d8a93c895368b45cbb18480148cd5583559c 100644 (file)
--- a/sobel.frag
+++ b/sobel.frag
@@ -4,7 +4,6 @@ in vec2 tc;
 out vec2 gradients;
 
 uniform sampler2D tex;
-uniform vec2 inv_image_size;
 
 void main()
 {