#ifndef GL_ES
#define precision
#define lowp
#define mediump
#define highp
#endif // !defined(GL_ES)

precision highp float;
uniform sampler2D u_InputImage;

vec4 inputLookup(vec2 coords) {
  return texture2D(u_InputImage, coords);
}

varying vec2 hdConformedUV;
varying vec2 uv;
uniform vec2 u_RenderSize;
uniform float u_Time;
uniform int u_PassIndex;
uniform sampler2D lookup;
uniform sampler2D Nice_Chrome;
#define GLSLIFY 1
vec4 lookup_1_0(in vec4 textureColor, in sampler2D lookupTable) {
    #ifndef LUT_NO_CLAMP
        textureColor = clamp(textureColor, 0.0, 1.0);
    #endif

    mediump float blueColor = textureColor.b * 63.0;

    mediump vec2 quad1;
    quad1.y = floor(floor(blueColor) / 8.0);
    quad1.x = floor(blueColor) - (quad1.y * 8.0);

    mediump vec2 quad2;
    quad2.y = floor(ceil(blueColor) / 8.0);
    quad2.x = ceil(blueColor) - (quad2.y * 8.0);

    highp vec2 texPos1;
    texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);
    texPos1.y = (quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g);

    #ifdef LUT_FLIP_Y
        texPos1.y = 1.0-texPos1.y;
    #endif

    highp vec2 texPos2;
    texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);
    texPos2.y = (quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g);

    #ifdef LUT_FLIP_Y
        texPos2.y = 1.0-texPos2.y;
    #endif

    lowp vec4 newColor1 = texture2D(lookupTable, texPos1);
    lowp vec4 newColor2 = texture2D(lookupTable, texPos2);

    lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));
    return newColor;
}



void main() {
  vec4 inputColor = inputLookup(uv);
  gl_FragColor = lookup_1_0(inputColor, lookup);
}