public void GetNextDrawable()
{
if (!_drawable.IsNull)
{
ObjectiveCRuntime.release(_drawable.NativePtr);
}
using (NSAutoreleasePool.Begin())
{
_drawable = _metalLayer.nextDrawable();
ObjectiveCRuntime.retain(_drawable.NativePtr);
}
}
private protected override void SwapBuffersCore(Swapchain swapchain)
{
MTLSwapchain mtlSC = Util.AssertSubtype <Swapchain, MTLSwapchain>(swapchain);
IntPtr currentDrawablePtr = mtlSC.CurrentDrawable.NativePtr;
if (currentDrawablePtr != IntPtr.Zero)
{
using (NSAutoreleasePool.Begin())
{
MTLCommandBuffer submitCB = _commandQueue.commandBuffer();
submitCB.presentDrawable(currentDrawablePtr);
submitCB.commit();
}
}
mtlSC.GetNextDrawable();
}