/// <summary>
/// dispatches the shader with the given layer and level
/// source textures have to be bound before a call to this function
/// </summary>
/// <param name="layer"></param>
/// <param name="mipmap"></param>
/// <param name="width">mipmap width</param>
/// <param name="height">mipmap height</param>
/// <param name="target">target image</param>
public void Run(int layer, int mipmap, int width, int height, TextureArray2D target)
{
shader.Bind();
target.BindAsImage(GetDestinationImageBinding(), layer: layer, mipmap: mipmap, access: TextureAccess.WriteOnly);
SetLevel(mipmap);
SetLayer(layer);
GL.DispatchCompute(width / LocalSize + 1, height / LocalSize + 1, 1);
Program.Unbind();
}