// 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.

#ifndef CONSTANTS_GLSL_
#define CONSTANTS_GLSL_

const float kEhCloseEnough = 0.000001;

// 1 / (2 * pi)
const float k1Over2Pi = 0.1591549430918;

// sqrt(2 * pi)
const float kSqrtTwoPi = 2.50662827463;

// sqrt(2) / 2 == 1 / sqrt(2)
const float kHalfSqrtTwo = 0.70710678118;

#endif
