/// <summary>
/// Initializes a new instance of the <see cref="GorgonSwapChain"/> class.
/// </summary>
/// <param name="graphics">Graphics interface that owns this swap chain.</param>
/// <param name="name">The name of the swap chain.</param>
/// <param name="settings">Settings for the swap chain.</param>
internal GorgonSwapChain(GorgonGraphics graphics, string name, GorgonSwapChainSettings settings)
: base(name)
{
Graphics = graphics;
Settings = settings;
// Get the parent form for our window.
_parentForm = Gorgon.GetTopLevelForm(settings.Window);
_topLevelControl = Gorgon.GetTopLevelControl(settings.Window);
settings.Window.ParentChanged += Window_ParentChanged;
if (_topLevelControl != settings.Window)
{
_topLevelControl.ParentChanged += Window_ParentChanged;
}
AutoResize = true;
}
/// <summary>
/// Function to intialize the swap chain.
/// </summary>
internal void Initialize()
{
var D3DSettings = new GI.SwapChainDescription();
// Resize the window to match requested mode size.
if ((_parentForm == Settings.Window) && (Settings.IsWindowed) && (!Settings.NoClientResize))
{
_parentForm.ClientSize = new Size(Settings.VideoMode.Width, Settings.VideoMode.Height);
}
AutoResize = !Settings.NoClientResize;
Graphics.GetFullScreenSwapChains();
D3DSettings.BufferCount = Settings.BufferCount;
D3DSettings.Flags = GI.SwapChainFlags.AllowModeSwitch;
D3DSettings.IsWindowed = true;
D3DSettings.ModeDescription = GorgonVideoMode.Convert(Settings.VideoMode);
D3DSettings.OutputHandle = Settings.Window.Handle;
D3DSettings.SampleDescription = GorgonMultisampling.Convert(Settings.Multisampling);
D3DSettings.SwapEffect = GorgonSwapChainSettings.Convert(Settings.SwapEffect);
if ((Settings.Flags & SwapChainUsageFlags.RenderTarget) == SwapChainUsageFlags.RenderTarget)
{
D3DSettings.Usage = GI.Usage.RenderTargetOutput;
}
if ((Settings.Flags & SwapChainUsageFlags.AllowShaderView) == SwapChainUsageFlags.AllowShaderView)
{
D3DSettings.Usage |= GI.Usage.ShaderInput;
}
if ((Settings.Flags & SwapChainUsageFlags.AllowUnorderedAccessView) == SwapChainUsageFlags.AllowUnorderedAccessView)
{
D3DSettings.Usage |= GI.Usage.UnorderedAccess;
}
Gorgon.Log.Print("GorgonSwapChain '{0}': Creating D3D11 swap chain...", LoggingLevel.Simple, Name);
GISwapChain = new GI.SwapChain(Graphics.GIFactory, Graphics.D3DDevice, D3DSettings)
{
DebugName = Name + " DXGISwapChain"
};
// Due to an issue with winforms and DXGI, we have to manually handle transitions ourselves.
Graphics.GIFactory.MakeWindowAssociation(Settings.Window.Handle, GI.WindowAssociationFlags.IgnoreAll);
CreateResources();
if (!Settings.IsWindowed)
{
ModeStateUpdate();
}
Settings.Window.Resize += Window_Resize;
if (_parentForm == null)
{
return;
}
_parentForm.ResizeBegin += _parentForm_ResizeBegin;
_parentForm.ResizeEnd += _parentForm_ResizeEnd;
}