#version 320 es

// 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.

precision highp float;

layout(location = 0) out vec4 fragColor;

layout(location = 0) uniform float a;

void main() {
  if (a >= 0.0 == a >= 1.0) {
    fragColor = vec4(0.0, 1.0, 0.0, 1.0);
  } else {
    fragColor = vec4(0.0, 0.0, 0.0, 1.0);
  }
}