public Extent2D ChooseSwapExtent(SurfaceCapabilities capabilities)
{
if (capabilities.CurrentExtent.Width != uint.MaxValue)
{
return(capabilities.CurrentExtent);
}
else
{
return(new Extent2D
{
Width = Math.Max(capabilities.MinImageExtent.Width, Math.Min(capabilities.MaxImageExtent.Width, SurfaceWidth)),
Height = Math.Max(capabilities.MinImageExtent.Height, Math.Min(capabilities.MaxImageExtent.Height, SurfaceHeight))
});
}
}
/// <summary>
/// Query surface capabilities.
/// </summary>
public SurfaceCapabilities GetSurfaceCapabilities(Surface surface)
{
unsafe
{
try
{
var commandDelegate = this.commandCache.GetCommandDelegate <Interop.vkGetPhysicalDeviceSurfaceCapabilitiesKHR>("vkGetPhysicalDeviceSurfaceCapabilitiesKHR", "instance");
SurfaceCapabilities result = default(SurfaceCapabilities);
Result commandResult;
Interop.Surface marshalledSurface = default(Interop.Surface);
surface?.MarshalTo(&marshalledSurface);
commandResult = commandDelegate(this.handle, marshalledSurface, &result);
if (SharpVkException.IsError(commandResult))
{
throw SharpVkException.Create(commandResult);
}
return(result);
}
finally
{
Interop.HeapUtil.FreeLog();
}
}
}