15 lines
487 B
Plaintext
15 lines
487 B
Plaintext
|
shader_type canvas_item;
|
||
|
|
render_mode skip_vertex_transform, unshaded;
|
||
|
|
|
||
|
|
const vec2 target_resolution = vec2(320.0, 180.0);
|
||
|
|
const float colors_per_channel = 16.0;
|
||
|
|
|
||
|
|
uniform sampler2D screen_texture: hint_screen_texture, filter_nearest;
|
||
|
|
|
||
|
|
void fragment() {
|
||
|
|
vec2 uv = floor(SCREEN_UV * target_resolution) / target_resolution;
|
||
|
|
vec3 color = texture(screen_texture, uv).rgb;
|
||
|
|
vec3 quantized_color = floor(color * colors_per_channel) / colors_per_channel;
|
||
|
|
COLOR = vec4(quantized_color, 1.0);
|
||
|
|
}
|