#pragma kernel Read

Texture2D<float4> Source;
int Row;
int Column;
RWStructuredBuffer<float4> Result;

[numthreads(8,1,1)]
void Read(uint id : SV_DispatchThreadID)
{
    float width, height;
    Source.GetDimensions(width, height);

    uint x = id.x % Row;
    uint y = id.x / Row;
    
    uint pixelx = (x + 0.5) * width / Row;
    uint pixely = (y + 0.5) * height / Column;

    Result[id.x] = Source[uint2(pixelx, pixely)];
}