2024年06月28日
Setting Hyprland to use grayscale display
Blank Shader
precision mediump float;
varying vec2 v_texcoord;
uniform sampler2D tex;
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
gl_FragColor = pixColor;
}Grayscale Shader
precision mediump float;
varying vec2 v_texcoord;
uniform sampler2D tex;
void main() {
vec4 pixColor = texture2D(tex, v_texcoord);
vec3 greyScale = vec3(0.4, 0.25, 0.3);
gl_FragColor = vec4(vec3(dot(pixColor.rgb, greyScale)), pixColor.a);
}Save those two as files and run hyprctl keyword decoration:screen_shader <shader path>.
Use the blank shader to reset. Do a hyprland reload to clear notifications stuck at the top of the screen.