/// <summary>
/// Resolves platform information as typed structure value of type <typeparamref name="T"/>
/// </summary>
/// <typeparam name="T">The target type.</typeparam>
/// <param name="platform">The platform.</param>
/// <param name="type">The information type.</param>
/// <returns>The resolved value.</returns>
public static T GetPlatformInfo <T>(IntPtr platform, CLPlatformInfoType type)
where T : struct
{
T value = default;
CLException.ThrowIfFailed(NativeMethods.GetPlatformInfo(
platform,
type,
new IntPtr(Interop.SizeOf <T>()),
Unsafe.AsPointer(ref value),
IntPtr.Zero));
return(value);
}
/// <summary>
/// Resolves platform information as string value.
/// </summary>
/// <param name="platform">The platform.</param>
/// <param name="type">The information type.</param>
/// <returns>The resolved string value.</returns>
public static string GetPlatformInfo(IntPtr platform, CLPlatformInfoType type)
{
const int MaxStringLength = 1024;
var stringValue = stackalloc sbyte[MaxStringLength];
var size = IntPtr.Zero;
CLException.ThrowIfFailed(NativeMethods.GetPlatformInfo(
platform,
type,
new IntPtr(MaxStringLength),
stringValue,
new IntPtr(&size)));
int intSize = size.ToInt32();
return(intSize > 0 && intSize < MaxStringLength
? new string(stringValue, 0, intSize - 1)
: string.Empty);
}
public static extern CLError GetPlatformInfo(
[In] IntPtr platform,
[In] CLPlatformInfoType platformInfoType,
[In] IntPtr maxSize,
[Out] void *value,
[Out] IntPtr size);
