cbuffer _125
{
    int2 _125_offset : packoffset(c0);
    int _125_level : packoffset(c0.z);
};
Texture2D<float4> tex : register(t0);
SamplerState _tex_sampler : register(s0);

static float4 gl_FragCoord;
static float4 fragColor;
static float2 vUV;

struct SPIRV_Cross_Input
{
    float2 vUV : TEXCOORD0;
    float4 gl_FragCoord : SV_Position;
};

struct SPIRV_Cross_Output
{
    float4 fragColor : SV_Target0;
};

float4 toLinear(float4 sRGB_A)
{
    float a = sRGB_A.w;
    float rcpA = 1.0f / ((a != 0.0f) ? a : 1.0f);
    float3 sRGB = sRGB_A.xyz * rcpA;
    bool3 cutoff = bool3(sRGB.x < 0.040449999272823333740234375f.xxx.x, sRGB.y < 0.040449999272823333740234375f.xxx.y, sRGB.z < 0.040449999272823333740234375f.xxx.z);
    float3 higher = pow((abs(sRGB) + 0.054999999701976776123046875f.xxx) / 1.05499994754791259765625f.xxx, 2.400000095367431640625f.xxx);
    float3 lower = sRGB / 12.9200000762939453125f.xxx;
    return float4(float3(cutoff.x ? lower.x : higher.x, cutoff.y ? lower.y : higher.y, cutoff.z ? lower.z : higher.z) * a, a);
}

float4 fromLinear(float4 linearRGB_A)
{
    float a = linearRGB_A.w;
    float rcpA = 1.0f / ((a != 0.0f) ? a : 1.0f);
    float3 linearRGB = linearRGB_A.xyz * rcpA;
    bool3 cutoff = bool3(linearRGB.x < 0.003130800090730190277099609375f.xxx.x, linearRGB.y < 0.003130800090730190277099609375f.xxx.y, linearRGB.z < 0.003130800090730190277099609375f.xxx.z);
    float3 higher = (1.05499994754791259765625f.xxx * pow(abs(linearRGB), 0.4166666567325592041015625f.xxx)) - 0.054999999701976776123046875f.xxx;
    float3 lower = linearRGB * 12.9200000762939453125f.xxx;
    return float4(float3(cutoff.x ? lower.x : higher.x, cutoff.y ? lower.y : higher.y, cutoff.z ? lower.z : higher.z) * a, a);
}

void frag_main()
{
    int side = 1 << _125_level;
    float4 color = 0.0f.xxxx;
    int2 coord = (side.xx * int2(gl_FragCoord.xy)) + _125_offset;
    for (int y = 0; y < side; y++)
    {
        for (int x = 0; x < side; x++)
        {
            float4 t1 = tex.Load(int3(coord + int2(x, y), 0));
            float4 param = t1;
            color += toLinear(param);
        }
    }
    float4 param_1 = color * (1.0f / float(side * side));
    fragColor = fromLinear(param_1);
}

SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
{
    gl_FragCoord = stage_input.gl_FragCoord;
    vUV = stage_input.vUV;
    frag_main();
    SPIRV_Cross_Output stage_output;
    stage_output.fragColor = fragColor;
    return stage_output;
}