public override void SwapBuffers()
{
if (_platform.DisplayMode != DisplayMode.Fullscreen)
{
bool dwmComposition;
// DWM Composition is always enabled on Win8+
if (Win32Platform.IsWindows8OrGreater)
{
dwmComposition = true;
}
else
{
HResult result = DwmApi.DwmIsCompositionEnabled(out dwmComposition);
if (result != HResult.S_OK)
{
dwmComposition = false;
}
}
if (dwmComposition)
{
for (var i = 0; i < SwapInterval; i++)
{
DwmApi.DwmFlush();
}
}
}
Gdi32.SwapBuffers(_dc);
}
/// <inheritdoc />
protected override void SetSwapIntervalPlatform(int interval)
{
if (_platform.DisplayMode != DisplayMode.Fullscreen)
{
bool dwmComposition;
// DWM Composition is always enabled on Win8+
if (Win32Platform.IsWindows8OrGreater)
{
dwmComposition = true;
}
else
{
HResult result = DwmApi.DwmIsCompositionEnabled(out dwmComposition);
if (result != HResult.S_OK)
{
dwmComposition = false;
}
}
// Hack: Disable WGL swap interval when desktop composition is enabled to avoid interfering with DWM vsync.
if (dwmComposition)
{
interval = 0;
}
}
_swapIntervalExt?.Invoke(interval != 0 && _autoVSyncExtension ? -1 : interval);
}
