protected void FreeCommandBuffers(ReadOnlySpan <CommandBuffer> buffers)
 {
     fixed(CommandBuffer *pbuffers = buffers)
     {
         VkApi.FreeCommandBuffers(Device, this.CommandPool, (uint)buffers.Length, pbuffers);
     }
 }
 protected void FreeCommandBuffer(CommandBuffer buffer)
 {
     VkApi.FreeCommandBuffers(Device, this.CommandPool, 1, &buffer);
 }