diff options
Diffstat (limited to 'vgcodec/src/diff.wgsl')
| -rw-r--r-- | vgcodec/src/diff.wgsl | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/vgcodec/src/diff.wgsl b/vgcodec/src/diff.wgsl index bb5a3e1..82e169b 100644 --- a/vgcodec/src/diff.wgsl +++ b/vgcodec/src/diff.wgsl @@ -10,8 +10,7 @@ var<storage, read_write> exp: atomic<u32>; 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 = col_a - col_b; - var diffsum = diff.r + diff.g + diff.b; - atomicAdd(&exp, u32(diffsum)); + var diff = length(col_a - col_b); + atomicAdd(&exp, u32(diff * 1000.0)); } |