private static VectorFormat AddVectorFormat(SurfaceFormat surfaceFormat, params Type[] vectorTypes)
{
var vectorInfos = vectorTypes.Select(x => VectorType.Get(x));
var vectorFormat = new VectorFormat(surfaceFormat, vectorInfos);
if (!VectorFormatBySurface.TryGetValue(surfaceFormat, out var bySurfaceSet))
{
bySurfaceSet = new HashSet <VectorFormat>();
VectorFormatBySurface.TryAdd(surfaceFormat, bySurfaceSet);
VectorFormatBySurfaceRO.TryAdd(surfaceFormat, bySurfaceSet.AsReadOnly());
}
bySurfaceSet.Add(vectorFormat);
foreach (var vectorType in vectorTypes)
{
if (!VectorFormatsByType.TryGetValue(vectorType, out var byTypeSet))
{
byTypeSet = new HashSet <VectorFormat>();
VectorFormatsByType.TryAdd(vectorType, byTypeSet);
VectorFormatsByTypeRO.TryAdd(vectorType, byTypeSet.AsReadOnly());
}
byTypeSet.Add(vectorFormat);
}
return(vectorFormat);
}
/// <summary>
/// Tries to map a surface format to a vector format.
/// </summary>
/// <exception cref="ArgumentException">Compressed texture formats are not supported.</exception>
/// <returns>A set of vector formats the represent the surface format.</returns>
public static ReadOnlySet <VectorFormat> GetVectorFormats(SurfaceFormat surfaceFormat)
{
if (!VectorFormatBySurfaceRO.TryGetValue(surfaceFormat, out var formatSet))
{
throw GetUnsupportedSurfaceFormatException(surfaceFormat, nameof(surfaceFormat));
}
return(formatSet);
}
