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/*
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
*/
#ifdef GL_ES
precision mediump float;
#endif
varying vec4 color;
bvec3 lt(in vec3 a, in vec3 b)
{
bvec3 result;
if(a[0] < b[0]) result[0] = true;
else result[0] = false;
if(a[1] < b[1]) result[1] = true;
else result[1] = false;
if(a[2] < b[2]) result[2] = true;
else result[2] = false;
return result;
}
void main (void)
{
vec3 c = floor(10.0 * color.rgb - 4.5); // round to the nearest integer
vec3 result = vec3(lt(c, vec3(0.0)));
gl_FragColor = vec4(result, 1.0);
}
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