/// <summary>
/// Creates a default SwapChain for the given target control.
/// </summary>
/// <param name="targetControl">Target control of the swap chain.</param>
/// <param name="device">Graphics device.</param>
/// <param name="gfxConfig">The current graphics configuration.</param>
internal static IDXGISwapChain1 CreateSwapChainForWinForms(WinForms.Control targetControl, EngineDevice device, GraphicsViewConfiguration gfxConfig)
{
targetControl.EnsureNotNull(nameof(targetControl));
device.EnsureNotNull(nameof(device));
gfxConfig.EnsureNotNull(nameof(gfxConfig));
// Create the swap chain description
var swapChainDesc = new SwapChainDescription1();
if (gfxConfig.AntialiasingEnabled && device.IsStandardAntialiasingPossible)
{
swapChainDesc.BufferCount = 2;
swapChainDesc.SampleDescription = device.Internals.GetSampleDescription(gfxConfig.AntialiasingQuality);
}
else
{
swapChainDesc.BufferCount = 2;
swapChainDesc.SampleDescription = new SampleDescription(1, 0);
}
// Set common parameters
swapChainDesc.Width = targetControl.Width;
swapChainDesc.Height = targetControl.Height;
swapChainDesc.Format = GraphicsHelper.Internals.DEFAULT_TEXTURE_FORMAT;
swapChainDesc.Scaling = Scaling.Stretch;
swapChainDesc.SwapEffect = SwapEffect.Discard;
swapChainDesc.Usage = Usage.RenderTargetOutput;
// Create and return the swap chain and the render target
return(device.Internals.FactoryDxgi.CreateSwapChainForHwnd(
device.Internals.DeviceD3D11_1, targetControl.Handle,
swapChainDesc));
}
/// <summary>
/// Creates a depth buffer texture with given width and height.
/// </summary>
/// <param name="device">Graphics device.</param>
/// <param name="width">Width of generated texture.</param>
/// <param name="height">Height of generated texture.</param>
/// <param name="gfxConfig">Current graphics configuration.</param>
public static D3D11.ID3D11Texture2D CreateDepthBufferTexture(EngineDevice device, int width, int height, GraphicsViewConfiguration gfxConfig)
{
device.EnsureNotNull(nameof(device));
width.EnsurePositiveOrZero(nameof(width));
height.EnsurePositiveOrZero(nameof(height));
gfxConfig.EnsureNotNull(nameof(gfxConfig));
var textureDescription = new D3D11.Texture2DDescription();
if (gfxConfig.AntialiasingEnabled &&
device.IsStandardAntialiasingPossible)
{
textureDescription.Width = width;
textureDescription.Height = height;
textureDescription.MipLevels = 1;
textureDescription.ArraySize = 1;
textureDescription.Usage = D3D11.ResourceUsage.Default;
textureDescription.SampleDescription = device.GetSampleDescription(gfxConfig.AntialiasingQuality);
textureDescription.BindFlags = D3D11.BindFlags.DepthStencil;
textureDescription.CpuAccessFlags = D3D11.CpuAccessFlags.None;
textureDescription.OptionFlags = D3D11.ResourceOptionFlags.None;
}
else
{
textureDescription.Width = width;
textureDescription.Height = height;
textureDescription.MipLevels = 1;
textureDescription.ArraySize = 1;
textureDescription.Usage = D3D11.ResourceUsage.Default;
textureDescription.SampleDescription = new SampleDescription(1, 0);
textureDescription.BindFlags = D3D11.BindFlags.DepthStencil;
textureDescription.CpuAccessFlags = D3D11.CpuAccessFlags.None;
textureDescription.OptionFlags = D3D11.ResourceOptionFlags.None;
}
// Set buffer format
textureDescription.Format = Format.D32_Float_S8X24_UInt;
// Create the texture finally
return(device.DeviceD3D11_1.CreateTexture2D(textureDescription));
}
/// <summary>
/// Creates a render target texture with the given width and height.
/// </summary>
/// <param name="device">Graphics device.</param>
/// <param name="width">Width of generated texture.</param>
/// <param name="height">Height of generated texture.</param>
/// <param name="gfxConfig">The GFX configuration.</param>
public static D3D11.ID3D11Texture2D CreateRenderTargetTexture(
EngineDevice device, int width, int height, GraphicsViewConfiguration gfxConfig)
{
device.EnsureNotNull(nameof(device));
width.EnsurePositiveOrZero(nameof(width));
height.EnsurePositiveOrZero(nameof(height));
gfxConfig.EnsureNotNull(nameof(gfxConfig));
var textureDescription = new D3D11.Texture2DDescription();
if (gfxConfig.AntialiasingEnabled &&
device.IsStandardAntialiasingPossible)
{
textureDescription.Width = width;
textureDescription.Height = height;
textureDescription.MipLevels = 1;
textureDescription.ArraySize = 1;
textureDescription.Format = DEFAULT_TEXTURE_FORMAT;
textureDescription.Usage = D3D11.ResourceUsage.Default;
textureDescription.SampleDescription = device.GetSampleDescription(gfxConfig.AntialiasingQuality);
textureDescription.BindFlags = D3D11.BindFlags.ShaderResource | D3D11.BindFlags.RenderTarget;
textureDescription.CpuAccessFlags = D3D11.CpuAccessFlags.None;
textureDescription.OptionFlags = D3D11.ResourceOptionFlags.None;
}
else
{
textureDescription.Width = width;
textureDescription.Height = height;
textureDescription.MipLevels = 1;
textureDescription.ArraySize = 1;
textureDescription.Format = DEFAULT_TEXTURE_FORMAT;
textureDescription.Usage = D3D11.ResourceUsage.Default;
textureDescription.SampleDescription = new SampleDescription(1, 0);
textureDescription.BindFlags = D3D11.BindFlags.ShaderResource | D3D11.BindFlags.RenderTarget;
textureDescription.CpuAccessFlags = D3D11.CpuAccessFlags.None;
textureDescription.OptionFlags = D3D11.ResourceOptionFlags.None;
}
return(device.DeviceD3D11_1.CreateTexture2D(textureDescription));
}
/// <summary>
/// Creates the SwapChain object that is used on WinRT platforms.
/// </summary>
/// <param name="device">The device on which to create the SwapChain.</param>
/// <param name="width">Width of the screen in pixels.</param>
/// <param name="height">Height of the screen in pixels.</param>
/// <param name="gfxConfig">Current graphics configuration.</param>
internal static IDXGISwapChain1 CreateSwapChainForComposition(EngineDevice device, int width, int height, GraphicsViewConfiguration gfxConfig)
{
device.EnsureNotNull(nameof(device));
width.EnsurePositiveOrZero(nameof(width));
height.EnsurePositiveOrZero(nameof(height));
gfxConfig.EnsureNotNull(nameof(gfxConfig));
var desc = new SwapChainDescription1()
{
Width = width,
Height = height,
Format = GraphicsHelper.Internals.DEFAULT_TEXTURE_FORMAT,
Stereo = false,
SampleDescription = new SampleDescription(1, 0),
Usage = Usage.Backbuffer | Usage.RenderTargetOutput,
BufferCount = 2,
Scaling = Scaling.Stretch,
SwapEffect = SwapEffect.FlipSequential,
AlphaMode = gfxConfig.AlphaEnabledSwapChain ? AlphaMode.Premultiplied : AlphaMode.Ignore
};
return(device.Internals.FactoryDxgi.CreateSwapChainForComposition(device.Internals.DeviceD3D11_1, desc));
}
