public unsafe static Result D3D11On12CreateDevice(
IUnknown d3d12Device,
DeviceCreationFlags flags,
FeatureLevel[] featureLevels,
IUnknown[] commandQueues,
int nodeMask,
out ID3D11Device device,
out ID3D11DeviceContext immediateContext,
out FeatureLevel chosenFeatureLevel)
{
var result = D3D11On12CreateDevice(d3d12Device,
flags,
featureLevels, featureLevels.Length,
commandQueues, commandQueues.Length,
nodeMask,
out device, out immediateContext, out chosenFeatureLevel);
if (result.Failure)
{
return(result);
}
if (immediateContext != null)
{
device.AddRef();
device.ImmediateContext__ = immediateContext;
immediateContext.Device__ = device;
}
return(result);
}
/// <summary>
/// Applies alpha based sprite rendering.
/// </summary>
/// <param name="deviceContext">The target device context.</param>
protected void ApplyAlphaBasedSpriteRendering(D3D11.ID3D11DeviceContext deviceContext)
{
deviceContext.VSSetShader(_vertexShader !.VertexShader);
deviceContext.OMSetDepthStencilState(_defaultResources !.DepthStencilStateAlwaysPassDepth);
deviceContext.OMSetBlendState(_defaultResources.AlphaBlendingBlendState);
}
public static Result D3D11CreateDevice(IDXGIAdapter adapter,
DriverType driverType,
DeviceCreationFlags flags,
FeatureLevel[] featureLevels,
out ID3D11Device device,
out FeatureLevel featureLevel,
out ID3D11DeviceContext immediateContext)
{
var result = D3D11CreateDevice(adapter, driverType, IntPtr.Zero,
(int)flags,
featureLevels,
(featureLevels != null) ? featureLevels.Length : 0,
SdkVersion,
out device,
out featureLevel,
out immediateContext);
if (result.Failure)
{
return(result);
}
if (immediateContext != null)
{
device.AddRef();
device.ImmediateContext__ = immediateContext;
immediateContext.Device__ = device;
}
return(result);
}
/// <summary>
/// Sets given content to the constant buffer.
/// </summary>
/// <param name="deviceContext">The context used for updating the constant buffer.</param>
/// <param name="dataToSet">The data to set.</param>
internal void SetData(D3D11.ID3D11DeviceContext deviceContext, T dataToSet)
{
var dataBox = deviceContext.Map(this.ConstantBuffer, 0, D3D11.MapMode.WriteDiscard, D3D11.MapFlags.None);
SdxUtilities.Write(dataBox.DataPointer, ref dataToSet);
deviceContext.Unmap(this.ConstantBuffer, 0);
}
/// <summary>
/// Gets the highest supported hardware feature level of the primary adapter.
/// </summary>
/// <param name="adapter">The <see cref="IDXGIAdapter"/>.</param>
/// <returns>The highest supported hardware feature level.</returns>
public static FeatureLevel GetSupportedFeatureLevel(IDXGIAdapter adapter)
{
var featureLevel = FeatureLevel.Level_9_1;
ID3D11Device device = null;
ID3D11DeviceContext context = null;
try
{
D3D11CreateDevice(
adapter,
DriverType.Unknown,
IntPtr.Zero,
0,
null, 0,
SdkVersion,
out device, out featureLevel, out context);
}
finally
{
context?.Dispose();
device?.Dispose();
}
return(featureLevel);
}
public static Result D3D11CreateDevice(IDXGIAdapter adapter,
DriverType driverType,
DeviceCreationFlags flags,
FeatureLevel[] featureLevels,
out ID3D11Device device,
out ID3D11DeviceContext immediateContext)
{
return(D3D11CreateDevice(adapter, driverType, flags, featureLevels, out device, out var featureLevel, out immediateContext));
}
public PipelineStatisticsQueryHelper(EngineDevice device)
{
var deviceD3D11 = device.DeviceD3D11_1;
_deviceContext = device.DeviceImmediateContextD3D11;
var queryDesc = new D3D11.QueryDescription();
queryDesc.QueryType = D3D11.QueryType.PipelineStatistics;
_query = deviceD3D11.CreateQuery(queryDesc);
_deviceContext.Begin(_query);
}
public static Result D3D11CreateDevice(IDXGIAdapter adapter,
DriverType driverType,
DeviceCreationFlags flags,
FeatureLevel[] featureLevels,
out ID3D11Device device)
{
ID3D11DeviceContext context = null;
try
{
return(D3D11CreateDevice(adapter, driverType, flags, featureLevels, out device, out var featureLevel, out context));
}
finally
{
context?.Dispose();
}
}
/// <summary>
/// Check if a feature level is supported by a particular adapter.
/// </summary>
/// <param name="adapter">The adapter.</param>
/// <param name="featureLevel">The feature level.</param>
/// <returns><c>true</c> if the specified adapter is supporting this feature level; otherwise, <c>false</c>.</returns>
public static bool IsSupportedFeatureLevel(IDXGIAdapter adapter, FeatureLevel featureLevel)
{
ID3D11Device device = null;
ID3D11DeviceContext context = null;
try
{
var result = D3D11CreateDevice(
adapter,
DriverType.Unknown,
IntPtr.Zero,
0,
new[] { featureLevel }, 1,
SdkVersion,
out device, out var outputLevel, out context);
return(result.Success && outputLevel == featureLevel);
}
finally
{
context?.Dispose();
device?.Dispose();
}
}
/// <summary>
/// Discards alpha based sprite rendering.
/// </summary>
/// <param name="deviceContext">The target device context.</param>
protected void DiscardAlphaBasedSpriteRendering(D3D11.ID3D11DeviceContext deviceContext)
{
deviceContext.OMSetBlendState(_defaultResources !.DefaultBlendState);
deviceContext.OMSetDepthStencilState(_defaultResources !.DepthStencilStateDefault);
}
