FaceDetectionShader.fsh
617 Bytes
varying highp vec2 texCoordVarying;
precision mediump float;
uniform sampler2D SamplerY;
uniform sampler2D SamplerUV;
void main()
{
mediump vec3 yuv;
lowp vec3 rgb;
mediump mat3 convert = mat3(1.164, 1.164, 1.164,
0.0, -0.213, 2.112,
1.793, -0.533, 0.0);
// Subtract constants to map the video range start at 0
yuv.x = (texture2D(SamplerY, texCoordVarying).r);// - (16.0/255.0));
yuv.yz = (texture2D(SamplerUV, texCoordVarying).rg - vec2(0.5, 0.5));
rgb = convert * yuv;
gl_FragColor = vec4(rgb,1);
}