public color MultigridReduce(Action <Texture2D, RenderTarget2D> ReductionShader, bool Debug = false)
{
int n = Multigrid[0].Width;
int level = 0;
while (n >= 2)
{
ReductionShader(Multigrid[level], Multigrid[level + 1]);
if (Debug)
{
Console.WriteLine($"Did multigrid reduce from level {level} to level {level + 1}, n == {n}");
Multigrid[level].CheckForNonZero();
var result = Multigrid[level + 1].CheckForNonZero();
if (n == 2 && result)
{
Console.WriteLine("Made it to the end of the line!");
}
}
n /= 2;
level++;
}
GraphicsDevice.SetRenderTarget(null);
Multigrid.Last().GetData(ReducedData);
return((color)ReducedData[0]);
}
