internal SwapChainOutput(GraphicsDevice device, Size size, IOutputOwner owner, OutputConfiguration desc) : base(device, desc)
{
_device = device;
var swapChainDesc = CreateDesc(desc, size);
if (UseSeperatePresentQueue())
{
_presentQueue = new CommandQueue(device, ExecutionContext.Graphics, enableTdr: true);
_presentQueueIsSeperate = true;
}
else
{
_presentQueue = device.GraphicsQueue;
}
using var factory = CreateFactory();
using UniqueComPtr <IDXGISwapChain1> swapChain = default;
var pQueue = (IUnknown *)_presentQueue.GetQueue();
var ppChain = (IDXGISwapChain1 **)&swapChain;
IDXGIOutput *pRestrict = null;
Guard.ThrowIfFailed(
owner.Type switch
{
OutputType.Hwnd => factory.Ptr->CreateSwapChainForHwnd(
pQueue,
owner.GetOutput(),
&swapChainDesc,
null,
pRestrict,
ppChain
),
OutputType.ICoreWindow => factory.Ptr->CreateSwapChainForCoreWindow(
pQueue,
(IUnknown *)owner.GetOutput(),
&swapChainDesc,
pRestrict,
ppChain
),
OutputType.SwapChainPanel => factory.Ptr->CreateSwapChainForComposition(
pQueue,
&swapChainDesc,
pRestrict,
ppChain
),
_ => E_INVALIDARG, // this way we fail if weird enum arg provided
}
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));
}