protected DeviceResources(D3D11FeatureLevel featureLevel, bool useHighestFeatureLevel, bool preferMultisampling)
{
this.d3dFeatureLevel = featureLevel;
this.useHighestFeatureLevel = useHighestFeatureLevel;
this.preferMultisampling = preferMultisampling;
this.CreateDeviceIndependentResources();
this.CreateDeviceResources();
}
public SwapChainDeviceResources(WindowBase window, D3D11FeatureLevel featureLevel, bool useHighestFeatureLevel, bool preferMultisampling)
: base(featureLevel, useHighestFeatureLevel, preferMultisampling)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
this.window = window;
}
public static extern void D3D11CreateDevice(
[In, MarshalAs(UnmanagedType.IUnknown)] object adapter,
[In] D3D11DriverType driverType,
[In] IntPtr software,
[In] D3D11CreateDeviceOptions options,
[In, MarshalAs(UnmanagedType.LPArray)] D3D11FeatureLevel[] featureLevels,
[In] uint numFeatureLevels,
[In] uint sdkVersion,
[Out] out ID3D11Device device,
[Out] out D3D11FeatureLevel featureLevel,
[Out] out ID3D11DeviceContext immediateContext);
public RenderTargetDeviceResources(uint width, uint height, D3D11FeatureLevel featureLevel, bool useHighestFeatureLevel, bool preferMultisampling)
: base(featureLevel, useHighestFeatureLevel, preferMultisampling)
{
if (width < 0)
{
throw new ArgumentOutOfRangeException("width");
}
if (height < 0)
{
throw new ArgumentOutOfRangeException("height");
}
this.width = width;
this.height = height;
this.OnSizeChanged();
}
public Sample(D3D11FeatureLevel minimalFeatureLevel, string repository, string category, string name)
{
this.MinimalFeatureLevel = minimalFeatureLevel;
this.Repository = repository;
this.Category = category;
this.Name = name;
this.Title = this.Name;
this.Description = "Description of " + this.Name + ".";
string directory = this.SampleDirectory;
string readmePath = Path.Combine(directory, "readme.txt");
if (File.Exists(readmePath))
{
string[] lines = File.ReadAllLines(readmePath);
if (lines.Length >= 3)
{
this.Title = lines[0];
this.Description = lines[2];
}
}
}
private void CreateDeviceResources()
{
D3D11FeatureLevel[] featureLevels;
if (this.useHighestFeatureLevel)
{
if (this.d3dFeatureLevel == D3D11FeatureLevel.FeatureLevel91)
{
featureLevels = new D3D11FeatureLevel[]
{
D3D11FeatureLevel.FeatureLevel111,
D3D11FeatureLevel.FeatureLevel110,
D3D11FeatureLevel.FeatureLevel101,
D3D11FeatureLevel.FeatureLevel100,
D3D11FeatureLevel.FeatureLevel93,
D3D11FeatureLevel.FeatureLevel92,
D3D11FeatureLevel.FeatureLevel91
};
}
else
{
featureLevels = Enum.GetValues(typeof(D3D11FeatureLevel))
.Cast <D3D11FeatureLevel>()
.Where(t => t >= this.d3dFeatureLevel)
.OrderByDescending(t => t)
.ToArray();
}
}
else
{
featureLevels = new D3D11FeatureLevel[]
{
this.d3dFeatureLevel
};
}
D3D11CreateDeviceOptions options = D3D11CreateDeviceOptions.BgraSupport;
try
{
this.d3dDriverType = D3D11DriverType.Hardware;
D3D11Device.CreateDevice(
null,
this.d3dDriverType,
options,
featureLevels,
out this.d3dDevice,
out this.d3dFeatureLevel,
out this.d3dContext);
}
catch (Exception ex)
{
if (ex.HResult == DxgiError.Unsupported)
{
this.d3dDriverType = D3D11DriverType.Warp;
D3D11Device.CreateDevice(
null,
this.d3dDriverType,
options,
featureLevels,
out this.d3dDevice,
out this.d3dFeatureLevel,
out this.d3dContext);
}
else
{
throw;
}
}
if (this.preferMultisampling)
{
this.d3dSampleDesc = this.CheckMultisamplingSupport();
}
else
{
this.d3dSampleDesc = new DxgiSampleDesc(1, 0);
}
}
