public T readPixel <T>(Resource resource) where T : struct
{
context.CopySubresourceRegion(resource, Resource.CalculateSubresourceIndex(0, 0, 1),
new ResourceRegion(0, 0, 0, 1, 1, 1), tempTex,
Resource.CalculateSubresourceIndex(0, 0, 1), 0, 0, 0);
var data = context.MapSubresource(tempTex,
Resource.CalculateSubresourceIndex(0, 0, 1), 4, MapMode.Read,
global::SlimDX.Direct3D11.MapFlags.None);
var ret = data.Data.Read <T>();
context.UnmapSubresource(tempTex, Resource.CalculateSubresourceIndex(0, 0, 1));
return(ret);
}