/// <summary>
/// Call after other middleware to specify when they should run in the integrated pipeline.
/// </summary>
/// <param name="app">The IAppBuilder.</param>
/// <param name="stage">The stage of the integrated pipeline in which to run.</param>
/// <returns>The original IAppBuilder for chaining.</returns>
public static IAppBuilder UseStageMarker(this IAppBuilder app, PipelineStage stage)
{
return UseStageMarker(app, stage.ToString());
}
/// <summary>
/// Call after other middleware to specify when they should run in the integrated pipeline.
/// </summary>
/// <param name="app">The IAppBuilder.</param>
/// <param name="stage">The stage of the integrated pipeline in which to run.</param>
/// <returns>The original IAppBuilder for chaining.</returns>
public static IAppBuilder UseStageMarker(this IAppBuilder app, PipelineStage stage)
{
return(UseStageMarker(app, stage.ToString()));
}
/// <summary>
/// Gets the input or output structure.
/// </summary>
/// <param name="type">The pipeline stage.</param>
/// <param name="input">If set to <c>true</c> input, if set to <c>false</c> output.</param>
/// <returns></returns>
public static StructType GetStream(this Shader shader, PipelineStage type, bool input)
{
if (type == PipelineStage.Hull || type == PipelineStage.Domain)
{
throw new NotImplementedException();
}
foreach (var typeDecl in shader.Declarations.OfType <StructType>())
{
var stream = typeDecl.Attributes.OfType <AttributeDeclaration>().FirstOrDefault(x => x.Name == "Stream");
if (stream != null)
{
if ((string)stream.Parameters[0].Value == (input ? "Input" : "Output") && (string)stream.Parameters[1].Value == type.ToString())
{
return(typeDecl);
}
}
}
return(null);
}