private static D3D11MetaResource CreateCore(Adapter adapter, DriverType type,
DeviceCreationFlags creationFlags,
SwapChainDescription1?description, FeatureLevel[] levels, bool allowWarpFallbackDriver,
SwapChainTarget target)
{
SwapChainDescription1 desc;
if (description.HasValue)
{
desc = description.Value;
}
else
{
GetDefaultSwapChainDescription(out desc, target);
}
#if DEBUG
// Note: These have no impact on solution outside
// of this project. This is only for internal testing
// purposes
creationFlags |= DeviceCreationFlags.Debug;
#endif
return(new D3D11MetaResource(new D3D11MetaResourceOptions
{
Adapter = adapter,
SwapChainDescription = desc,
Target = target,
Type = type,
WarpFallbackEnabled = allowWarpFallbackDriver,
CreationFlags = creationFlags,
Levels = levels
}));
}
/// <summary>
/// Creates the device manager and image source when the viewport is loaded.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="RoutedEventArgs" /> instance containing the event data.</param>
private void Viewport3DXLoaded(object sender, RoutedEventArgs e)
{
var logicalDpi = DisplayInformation.GetForCurrentView().LogicalDpi;
int pixelWidth = (int)(this.ActualWidth * logicalDpi / 96.0);
int pixelHeight = (int)(this.ActualHeight * logicalDpi / 96.0);
// Safely dispose any previous instance
// Creates a new DeviceManager (Direct3D, Direct2D, DirectWrite, WIC)
this.deviceManager = new DeviceManager();
// Use CoreWindowTarget as the rendering target (Initialize SwapChain, RenderTargetView, DepthStencilView, BitmapTarget)
this.d3dTarget = new SwapChainTarget((SwapChainPanel)this.ItemsPanelRoot, pixelWidth, pixelHeight);
this.deviceManager.OnInitialize += this.d3dTarget.Initialize;
this.deviceManager.OnInitialize += this.Initialize;
this.d3dTarget.OnRender += this.Render;
// Initialize the device manager and all registered deviceManager.OnInitialize
this.deviceManager.Initialize(DisplayInformation.GetForCurrentView().LogicalDpi);
// Setup rendering callback
CompositionTarget.Rendering += this.CompositionTargetRendering;
// Callback on DpiChanged
DisplayProperties.LogicalDpiChanged += this.DisplayPropertiesLogicalDpiChanged;
}
public static void GetDefaultSwapChainDescription(out SwapChainDescription1 swapChainDescription,
SwapChainTarget target)
{
swapChainDescription = new SwapChainDescription1
{
SampleDescription = new SampleDescription(1, 0),
Usage = Usage.RenderTargetOutput,
BufferCount = 2,
// OutputHandle is also set by the resource manager
SwapEffect = GetBestSwapEffectForPlatform(),
Scaling = Scaling.Stretch,
Format = Format.B8G8R8A8_UNorm,
AlphaMode = target == SwapChainTarget.Window ? AlphaMode.Ignore : AlphaMode.Premultiplied,
Width = 0,
Height = 0
};
}
