public override void Initialize(DeviceManager deviceManager)
{
base.Initialize(deviceManager);
// Save the context instance
this.deviceContext = deviceManager.DeviceDirect3D.ImmediateContext1;
// We have to take into account pixel scaling; Windows Phone 8.1 uses virtual resolutions smaller than the physical screen size.
float pixelScale = Windows.Graphics.Display.DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
// Properties of the swap chain
SharpDX.DXGI.SwapChainDescription1 swapChainDescription = new SharpDX.DXGI.SwapChainDescription1()
{
// No transparency.
AlphaMode = SharpDX.DXGI.AlphaMode.Ignore,
// Double buffer.
BufferCount = 2,
// BGRA 32bit pixel format.
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
// Unlike in CoreWindow swap chains, the dimensions must be set.
Height = (int)(this.swapChainPanel.RenderSize.Height * pixelScale),
Width = (int)(this.swapChainPanel.RenderSize.Width * pixelScale),
// Default multisampling.
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
// In case the control is resized, stretch the swap chain accordingly.
Scaling = SharpDX.DXGI.Scaling.Stretch,
// No support for stereo display.
Stereo = false,
// Sequential displaying for double buffering.
SwapEffect = SharpDX.DXGI.SwapEffect.FlipSequential,
// This swapchain is going to be used as the back buffer.
Usage = SharpDX.DXGI.Usage.BackBuffer | SharpDX.DXGI.Usage.RenderTargetOutput,
};
// Retrive the DXGI device associated to the Direct3D device.
using (SharpDX.DXGI.Device3 dxgiDevice3 = deviceManager.DeviceDirect3D.QueryInterface <SharpDX.DXGI.Device3>())
{
// Get the DXGI factory automatically created when initializing the Direct3D device.
using (SharpDX.DXGI.Factory3 dxgiFactory3 = dxgiDevice3.Adapter.GetParent <SharpDX.DXGI.Factory3>())
{
// Create the swap chain and get the highest version available.
using (SharpDX.DXGI.SwapChain1 swapChain1 = new SharpDX.DXGI.SwapChain1(dxgiFactory3, deviceManager.DeviceDirect3D, ref swapChainDescription))
{
this.swapChain = swapChain1.QueryInterface <SharpDX.DXGI.SwapChain2>();
}
}
}
// Obtain a reference to the native COM object of the SwapChainPanel.
using (SharpDX.DXGI.ISwapChainPanelNative nativeObject = SharpDX.ComObject.As <SharpDX.DXGI.ISwapChainPanelNative>(this.swapChainPanel))
{
// Set its swap chain.
nativeObject.SwapChain = this.swapChain;
}
// Create a descriptor for the depth/stencil buffer.
// Allocate a 2-D surface as the depth/stencil buffer.
// Create a DepthStencil view on this surface to use on bind.
// TODO: Recreate a DepthStencilBuffer is inefficient. We should only have one depth buffer. Shared depth buffer?
using (var depthBuffer = new SharpDX.Direct3D11.Texture2D(DeviceManager.DeviceDirect3D, new SharpDX.Direct3D11.Texture2DDescription()
{
Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt,
ArraySize = 1,
MipLevels = 1,
Width = (int)swapChainDescription.Width,
Height = (int)swapChainDescription.Height,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
BindFlags = SharpDX.Direct3D11.BindFlags.DepthStencil,
}))
this.depthStencilView = Collect(new SharpDX.Direct3D11.DepthStencilView(DeviceManager.DeviceDirect3D, depthBuffer, new SharpDX.Direct3D11.DepthStencilViewDescription()
{
Dimension = SharpDX.Direct3D11.DepthStencilViewDimension.Texture2D
}));
// Create a Texture2D from the existing swap chain to use as
this.backBuffer = SharpDX.Direct3D11.Texture2D.FromSwapChain <SharpDX.Direct3D11.Texture2D>(this.swapChain, 0);
this.renderTargetView = new SharpDX.Direct3D11.RenderTargetView(deviceManager.DeviceDirect3D, this.backBuffer);
var viewport = new SharpDX.ViewportF(0, 0, (float)swapChainDescription.Width, (float)swapChainDescription.Height, 0.0f, 1.0f);
RenderTargetBounds = new Rect(viewport.X, viewport.Y, viewport.Width, viewport.Height);
//DeviceManager.ContextDirect2D.Target = this.backBuffer.as;
DeviceManager.ContextDirect3D.Rasterizer.SetViewport(viewport);
}
public static D3DRenderContext CreateFromSwapChainPanel(SwapChainPanel swp)
{
SharpDX.Direct3D11.Device device;
SharpDX.DXGI.SwapChain swapChain;
// Create a new Direct3D hardware device and ask for Direct3D 11.2 support
using (SharpDX.Direct3D11.Device defaultDevice = new SharpDX.Direct3D11.Device(SharpDX.Direct3D.DriverType.Hardware, SharpDX.Direct3D11.DeviceCreationFlags.Debug))
{
device = defaultDevice.QueryInterface <SharpDX.Direct3D11.Device2>();
}
// We have to take into account pixel scaling; Windows Phone 8.1 uses virtual resolutions smaller than the physical screen size.
float pixelScale = Windows.Graphics.Display.DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
// Properties of the swap chain
SharpDX.DXGI.SwapChainDescription1 swapChainDescription = new SharpDX.DXGI.SwapChainDescription1()
{
// No transparency.
AlphaMode = SharpDX.DXGI.AlphaMode.Ignore,
// Double buffer.
BufferCount = 2,
// BGRA 32bit pixel format.
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
// Unlike in CoreWindow swap chains, the dimensions must be set.
Height = (int)(swp.RenderSize.Height * pixelScale),
Width = (int)(swp.RenderSize.Width * pixelScale),
// Default multisampling.
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
// In case the control is resized, stretch the swap chain accordingly.
Scaling = SharpDX.DXGI.Scaling.Stretch,
// No support for stereo display.
Stereo = false,
// Sequential displaying for double buffering.
SwapEffect = SharpDX.DXGI.SwapEffect.FlipSequential,
// This swapchain is going to be used as the back buffer.
Usage = SharpDX.DXGI.Usage.BackBuffer | SharpDX.DXGI.Usage.RenderTargetOutput,
};
// Retrive the SharpDX.DXGI device associated to the Direct3D device.
using (SharpDX.DXGI.Device3 dxgiDevice3 = device.QueryInterface <SharpDX.DXGI.Device3>())
{
// Get the SharpDX.DXGI factory automatically created when initializing the Direct3D device.
using (SharpDX.DXGI.Factory3 dxgiFactory3 = dxgiDevice3.Adapter.GetParent <SharpDX.DXGI.Factory3>())
{
// Create the swap chain and get the highest version available.
using (SharpDX.DXGI.SwapChain1 swapChain1 = new SharpDX.DXGI.SwapChain1(dxgiFactory3, device, ref swapChainDescription))
{
swapChain = swapChain1.QueryInterface <SharpDX.DXGI.SwapChain2>();
}
}
}
// Obtain a reference to the native COM object of the SwapChainPanel.
using (SharpDX.DXGI.ISwapChainPanelNative nativeObject = ComObject.As <SharpDX.DXGI.ISwapChainPanelNative>(swp))
{
// Set its swap chain.
nativeObject.SwapChain = swapChain;
}
var window = new UwpWindow(swp, pixelScale);
return(new UwpRenderContext(window, device, swapChain, swp));
}
