#include "sh_Utils.h"
varying mediump vec2 v_TexCoord;
varying mediump vec4 v_TexRect;
void main(void)
{
float hueValue = v_TexCoord.x / (v_TexRect[2] - v_TexRect[0]);
gl_FragColor = hsv2rgb(vec4(hueValue, 1, 1, 1));
}