public static ComPtr <TUp> UpCast <T, TUp>(ComPtr <T> comPtr)
where T : unmanaged
where TUp : unmanaged
{
// if this is hit, your cast is invalid. either use TryCast or have a valid type
#if DEBUG
Debug.Assert(comPtr.TryQueryInterface(out ComPtr <TUp> assertion));
assertion.Dispose();
#endif
return((TUp *)comPtr.Get());
}
public unsafe Win7Output(GraphicsDevice device, IntPtr hwnd, OutputConfiguration desc) : base(device, desc)
{
_allocator = device.CreateAllocator(ExecutionContext.Graphics);
_presentContext = device.CreateList(ExecutionContext.Graphics, _allocator.Ptr, null).As <ID3D12GraphicsCommandList>();
_presentFlags = desc.SyncInterval > 0 ? D3D12_DOWNLEVEL_PRESENT_FLAGS.D3D12_DOWNLEVEL_PRESENT_FLAG_WAIT_FOR_VBLANK : 0;
_hwnd = hwnd;
_presentQueue = device.GraphicsQueue;
if (!ComPtr.TryQueryInterface(_presentQueue.GetQueue(), out ID3D12CommandQueueDownlevel * pDownlevel))
{
ThrowHelper.ThrowPlatformNotSupportedException("Not on windows7");
}
_queue = new(pDownlevel);
RECT window;
_ = Windows.GetClientRect(hwnd, &window);
InternalResize(new Size(width: window.right - window.left, height: window.bottom - window.top));
}