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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;
void main (void)
{
int m = +23;
int k = -m;
bool a = false;
bool b = !a;
float gray;
if( (m==23) && (k==-23) && (b) )
gray=1.0;
else gray=0.0;
gl_FragColor = vec4(gray, gray, gray, 1.0);
}
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