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#ifdef GL_ES
precision highp float;
#endif
uniform sampler2D texture;
uniform mat3 color_matrix;
uniform float inv_gamma;
uniform float blacklevel;
varying vec2 texture_coord;
void
main()
{
// Sample format: Y,U,Y,V
vec4 raw = texture2D(texture, texture_coord);
#if defined(FMT_YUYV)
vec4 samples = raw.xyzw;
#elif defined(FMT_YVYU)
vec4 samples = raw.xwzy;
#elif defined(FMT_UYVY)
vec4 samples = raw.yzwx;
#elif defined(FMT_VYUY)
vec4 samples = raw.wzyx;
#endif
float y = samples.x;
float u = samples.y-0.5;
float v = samples.w-0.5;
vec3 rgb;
rgb.r = y + (1.403 * v);
rgb.g = y - (0.344 * u) - (0.714 * v);
rgb.b = y + (1.770 * u);
//color *= color_matrix;
vec3 gamma_color = pow(rgb, vec3(inv_gamma));
gl_FragColor = vec4(gamma_color, 1);
}
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