dotfiles/.config/hypr/shaders/blue-light.frag

21 lines
396 B
GLSL
Raw Normal View History

2024-01-08 22:21:05 +01:00
// vim: set ft=glsl:
// blue light filter shader
// values from https://reshade.me/forum/shader-discussion/3673-blue-light-filter-similar-to-f-lux
precision mediump float;
varying vec2 v_texcoord;
uniform sampler2D tex;
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
// green
pixColor[1] *= 0.855;
// blue
pixColor[2] *= 0.725;
gl_FragColor = pixColor;
}