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));
}
internal VideoOutput(GraphicsDevice device, OutputConfiguration desc) : base(device, desc)
{
_ = !device.TryQueryInterface(out _bufferWriterContract);
_maybeHwnd = default;
}
private protected Output(GraphicsDevice device, OutputConfiguration desc)
{
_device = device;
_desc = desc;
}
/// <summary>
/// Creates a new <see cref="Output"/> to a WinRT ISwapChainPanelNative
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/> that will output to this buffer</param>
/// <param name="desc">The <see cref="OutputConfiguration"/> for this output</param>
/// <param name="swapChainPanelNative">The IUnknown* for the ISwapChainPanelNative to bind to</param>
/// <param name="outputArea">The <see cref="Size"/> of the rendered output</param>
/// <returns>A new <see cref="Output"/></returns>
public static Output CreateForSwapChainPanel(GraphicsDevice device, OutputConfiguration desc, void *swapChainPanelNative, Size outputArea)
{
return(new SwapChainOutput(device, outputArea, IOutputOwner.FromSwapChainPanel(swapChainPanelNative), desc));
}
/// <summary>
/// Creates a new <see cref="Output"/> to a WinRT ICoreWindow
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/> that will output to this buffer</param>
/// <param name="desc">The <see cref="OutputConfiguration"/> for this output</param>
/// <param name="window">The IUnknown* for the window to bind to</param>
/// <param name="outputArea">Optionally, the <see cref="Size"/> of the rendered output. By default, this will be the entire window</param>
/// <returns>A new <see cref="Output"/></returns>
public static Output CreateForWinRT(GraphicsDevice device, OutputConfiguration desc, void *window, Size outputArea = default)
{
return(new SwapChainOutput(device, outputArea, IOutputOwner.FromICoreWindow(window), desc));
}
/// <summary> /// Creates a new <see cref="Output"/> to a WinRT ICoreWindow /// </summary> /// <param name="device">The <see cref="GraphicsDevice"/> that will output to this buffer</param> /// <param name="desc">The <see cref="OutputConfiguration"/> for this output</param> /// <param name="window">The <see cref="ICoreWindowsOwner"/> that owns the window</param> /// <param name="outputArea">Optionally, the <see cref="Size"/> of the rendered output. By default, this will be the entire window</param> /// <returns>A new <see cref="Output"/></returns> public static Output CreateForWinRT(GraphicsDevice device, OutputConfiguration desc, ICoreWindowsOwner window, Size outputArea = default) => CreateForWinRT(device, desc, window.GetIUnknownForWindow(), outputArea);
/// <summary>
/// Creates a new <see cref="Output"/> to a Win32 Window backed by a HWND
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/> that will output to this buffer</param>
/// <param name="desc">The <see cref="OutputConfiguration"/> for this output</param>
/// <param name="window">The HWND for the window to bind to</param>
/// <param name="outputArea">Optionally, the <see cref="Size"/> of the rendered output. By default, this will be the entire window</param>
/// <returns>A new <see cref="Output"/></returns>
public static Output CreateForWin32(GraphicsDevice device, OutputConfiguration desc, IntPtr window, Size outputArea = default)
{
return(new SwapChainOutput(device, outputArea, IOutputOwner.FromHwnd(window), desc));
}
//public static Output CreateForVideoOutput(GraphicsDevice device, OutputConfiguration desc, Size outputArea)
//{
// throw new NotImplementedException();
//}
/// <summary>
/// Creates a new <see cref="Output"/> to a Win32 Window backed by a HWND
/// </summary>u
/// <param name="device">The <see cref="GraphicsDevice"/> that will output to this buffer</param>
/// <param name="desc">The <see cref="OutputConfiguration"/> for this output</param>
/// <param name="window">The <see cref="IHwndOwner"/> that owns the window</param>
/// <param name="outputArea">Optionally, the <see cref="Size"/> of the rendered output. By default, this will be the entire window</param>
/// <returns>A new <see cref="Output"/></returns>
public static Output CreateForWin32(GraphicsDevice device, OutputConfiguration desc, IHwndOwner window, Size outputArea = default)
=> CreateForWin32(device, desc, window.GetHwnd(), outputArea);
/// <summary>
/// Creates a new <see cref="Output"/> to a <see cref="IOutputOwner"/>
/// </summary>
/// <param name="desc">The <see cref="OutputConfiguration"/> for this output</param>
/// <param name="device">The <see cref="GraphicsDevice"/> that will output to this buffer</param>
/// <param name="window">The <see cref="IOutputOwner"/> that owns the window</param>
/// <param name="outputArea">Optionally, the <see cref="Size"/> of the rendered output. By default, this will be the entire window</param>
/// <returns>A new <see cref="Output"/></returns>
public static Output Create(OutputConfiguration desc, GraphicsDevice device, IOutputOwner window, Size outputArea = default)
{
return(new SwapChainOutput(device, outputArea, window, desc));
}
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
}
