ycbcr-to-rgb.glsl

    // yMap is the Y texture, uvMap is the CrCb texture
    vec4 capturedImageTextureY = texture2D(yMap, uv);
    vec4 capturedImageTextureCbCr = texture2D(uvMap, uv);
    
    mat4 transform = mat4(
                          1.0000, 1.0000, 1.0000, 0.0000,
                          0.0000, -0.3441, 1.7720, 0.0000,
                          1.4020, -0.7141, 0.0000, 0.0000,
                          -0.7010, 0.5291, -0.8860, 1.0000
                          );
    
  
    vec4 ycbr = vec4(capturedImageTextureY.r,capturedImageTextureCbCr.rg,1.);
    
    gl_FragColor = transform * ycbr;