impeller/renderer/threadgroup_sizing_test.comp

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Size is passed in via specialization constant.
layout(local_size_x_id = 0) in;

layout(std430) buffer;

layout(binding = 1) writeonly buffer OutputData {
  uint data[];
}
output_data;

void main() {
  uint ident = gl_GlobalInvocationID.x;
  output_data.data[ident] = ident;
}