10 lines
303 B
Plaintext
10 lines
303 B
Plaintext
shader_type canvas_item;
|
|
|
|
uniform sampler2D SCREEN_TEXTURE : hint_screen_texture,filter_linear_mipmap;
|
|
|
|
void fragment() {
|
|
vec4 screen_color = texture(SCREEN_TEXTURE, SCREEN_UV);
|
|
float gray = dot(screen_color.rgb, vec3(0.299, 0.587, 0.114));
|
|
COLOR = vec4(gray, gray, gray, screen_color.a);
|
|
}
|