private int?GetPresentQueueFamilyIndex(SurfaceKhr surface)
{
for (int i = 0; i < queueFamilies.Length; i++)
{
//Verify that this queue-family supports presenting to the platform compositor
switch (surfaceType)
{
//On windows test if this queue supports presentation to the win32 compositor
case SurfaceType.HkrWin32:
if (!physicalDevice.GetWin32PresentationSupportKhr(i))
{
continue;
}
break;
//On MacOS it is enough to know that the MVK extension is supported, if so we
//can also present to the compositor
}
//Verify that the given surface is compatible with this queue-family
if (physicalDevice.GetSurfaceSupportKhr(i, surface))
{
return(i);
}
}
return(null);
}
/// <summary>
/// Check if a queue family supports presenting
/// </summary>
/// <param name="index"></param>
/// <param name="device"></param>
/// <param name="surface"></param>
/// <returns></returns>
public static bool SupportsPresenting(int index, PhysicalDevice device, SurfaceKhr surface)
{
return(device.GetSurfaceSupportKhr(index, surface) && GetPresentationSupport(device, index));
}
