#include "common.hlsli"

float4 main(float2 uv : TEXCOORD0) : COLOR
{
    float3 YUV = tex2D(s_base, uv);

    float Y = YUV.x;
    float U = YUV.y;
    float V = YUV.z;

    /*
    float	_T = 1.16406f*Y;
    float R1 = _T 				+ 1.59765f*V 	- 0.86961f;
    float G1 = _T - 0.390625f*U 	- 0.8125f*V  	+ 0.53076f;
    float B1 = _T + 2.01562f*U 					- 1.0786f;
    */

    float c = 1.16406f;
    float3 _Y = float3(c, c, c) * Y;
    float3 _U = float3(0.0f, -0.390625f, +2.01562f) * U;
    float3 _V = float3(+1.59765f, -0.8125f, 0.0f) * V;
    float3 _S = float3(-0.86961f, +0.53076f, -1.0786f);

    return float4(_Y + _U + _V + _S, 1);
}