message: copyright info
diff: @@ -34,6 +34,11 @@ uniform sampler2D tCumulativeSum;
  uniform bool uLittleEndian;
  +//////////////////////////////////////////////////////////
  +
  +// floatToRgba adapted from https://github.com/equinor/glsl-float-to-rgba
  +// MIT License, Copyright (c) 2020 Equinor
  +
  float shiftRight (float v, float amt) {
  v = floor(v) + 0.5;
  return floor(v / exp2(amt));
  @@ -48,8 +53,7 @@ float extractBits (float num, float from, float to) {
  from = floor(from + 0.5); to = floor(to + 0.5);
  return maskLast(shiftRight(num, from), to - from);
  }
  -// Adapted from https://github.com/equinor/glsl-float-to-rgba
  -// MIT License, Copyright (c) 2020 Equinor
  +
  vec4 floatToRgba(float texelFloat) {
  if (texelFloat == 0.0) return vec4(0, 0, 0, 0);
  float sign = texelFloat > 0.0 ? 0.0 : 1.0;
  @@ -73,6 +77,23 @@ vec4 floatToRgba(float texelFloat) {
  ///////////////////////////////////////////////////////
  +// rgbaToFloat adapted from https://github.com/ihmeuw/glsl-rgba-to-float
  +// BSD 3-Clause License
  +//
  +// Copyright (c) 2019, Institute for Health Metrics and Evaluation All rights reserved.
  +// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
  +// - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  +// - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  +// - Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
  +//
  +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  +// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  +// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  +// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  +// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  +// OF THE POSSIBILITY OF SUCH DAMAGE.
  +
  ivec4 floatsToBytes(vec4 inputFloats) {
  ivec4 bytes = ivec4(inputFloats * 255.0);
  return (
  @@ -133,7 +154,6 @@ float bitsToFloat(bool bits[32]) {
  return signBit * mantissa * exp2(exponent - exponentBias - 23.0);
  }
  -// Decode a 32-bit float from the RGBA color channels of a texel.
  float rgbaToFloat(vec4 texelRGBA) {
  ivec4 rgbaBytes = floatsToBytes(texelRGBA);
  bool bits[32];
  