image processing

  1. jf_knight

    Shaders Image sharpen shader

    Hello. I'm writing an image sharpening filter in GM2 and need some assistance. I'm not getting any changes on my image when moving a slider tied to "Sharpen". Here's what I have; varying vec2 v_texcoord; uniform vec2 resolution; uniform float Sharpen; void main( ) { vec4 colour =...