Files
maszyna/shaders/postfx_chromaticaberration.frag

22 lines
407 B
GLSL

in vec2 f_coords;
layout(location = 0) out vec4 out_color;
#texture (color_tex, 0, RGB)
uniform sampler2D iChannel0;
void main()
{
float amount = 0.001;
vec2 uv = f_coords;
vec3 col;
col.r = texture( iChannel0, vec2(uv.x+amount,uv.y) ).r;
col.g = texture( iChannel0, uv ).g;
col.b = texture( iChannel0, vec2(uv.x-amount,uv.y) ).b;
col *= (1.0 - amount * 0.5);
out_color = vec4(col,1.0);
}