Texture2D<float4> tex1 : register(t0);
SamplerState _tex1_sampler : register(s0);
Texture2D<float4> tex2 : register(t1);
SamplerState _tex2_sampler : register(s1);

static float2 vRelativePosition;
static float2 vRectSize;
static float2 vUV;
static uint vExtra;
static float vFalloff;
static float vOpacity;
static float4 fragColor;

struct SPIRV_Cross_Input
{
    float2 vUV : TEXCOORD0;
    float vOpacity : TEXCOORD1;
    nointerpolation uint vExtra : TEXCOORD2;
    nointerpolation float vFalloff : TEXCOORD3;
    float2 vRelativePosition : TEXCOORD4;
    nointerpolation float2 vRectSize : TEXCOORD5;
};

struct SPIRV_Cross_Output
{
    float4 fragColor : SV_Target0;
};

float4 YCoCgToRGB(float4 ycocg, float alpha)
{
    float Y = ycocg.w;
    float scale = 1.0f / ((31.875f * ycocg.z) + 1.0f);
    float Co = (ycocg.x - 0.501960813999176025390625f) * scale;
    float Cg = (ycocg.y - 0.501960813999176025390625f) * scale;
    float R = (Y + Co) - Cg;
    float G = Y + Cg;
    float B = (Y - Co) - Cg;
    return float4(R, G, B, alpha);
}

float getDist()
{
    float2 d = abs(vRelativePosition) - vRectSize;
    return length(max(d, 0.0f.xx));
}

void frag_main()
{
    float4 color = tex1.Sample(_tex1_sampler, vUV);
    bool debug = (vExtra & 512u) != 0u;
    bool yCoCg = (vExtra & 256u) != 0u;
    if (yCoCg)
    {
        float4 param = color;
        float param_1 = tex2.Sample(_tex2_sampler, vUV).x;
        color = YCoCgToRGB(param, param_1);
    }
    float d = getDist() / vFalloff;
    float a = 1.0f - min(1.0f, d);
    color *= (vOpacity * a);
    fragColor = color;
}

SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
{
    vRelativePosition = stage_input.vRelativePosition;
    vRectSize = stage_input.vRectSize;
    vUV = stage_input.vUV;
    vExtra = stage_input.vExtra;
    vFalloff = stage_input.vFalloff;
    vOpacity = stage_input.vOpacity;
    frag_main();
    SPIRV_Cross_Output stage_output;
    stage_output.fragColor = fragColor;
    return stage_output;
}