blob: 82e169b51080ae3c472187b54273b294e661ec6d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
@group(0) @binding(0)
var tex_a: texture_2d<f32>;
@group(0) @binding(1)
var tex_b: texture_2d<f32>;
@group(0) @binding(2)
var<storage, read_write> exp: atomic<u32>;
@compute @workgroup_size(1)
fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
var col_a = textureLoad(tex_a, vec2(i32(global_id.x), i32(global_id.y)), 0);
var col_b = textureLoad(tex_b, vec2(i32(global_id.x), i32(global_id.y)), 0);
var diff = length(col_a - col_b);
atomicAdd(&exp, u32(diff * 1000.0));
}
|
