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shader_type canvas_item;
uniform float brightness = 0.5;
void fragment(){
vec4 pixel_color = texture(SCREEN_TEXTURE, SCREEN_UV, 1);
COLOR.rgb = vec3(dot(pixel_color.rgb, vec3(brightness, brightness, brightness)));
}
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@jimmyjonezz jimmyjonezz commented May 4, 2020

shader_type canvas_item;
render_mode unshaded;

void fragment() {
vec4 color = texture(SCREEN_TEXTURE, SCREEN_UV);
COLOR.rgb = vec3(dot(color.rgb, vec3(0.25, 0.25, 0.25)));
}

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