#include "common.hlsli"

struct v2p
{
    float2 tc0 : TEXCOORD0; // base
    float4 c : COLOR0; // diffuse
};

// Pixel
uniform sampler s_distort;

float4 main(v2p I) : COLOR
{
    float4 distort = tex2D(s_distort, I.tc0);
    float factor = distort.a * dot(I.c.rgb, 0.33f);
    return float4(distort.rgb, factor);
}