public static ModeDescription GetAdapterDisplayMode(int adapterOrdinal, int outputOrdinal)
{
OutputInfo10 outputInfo = Enumeration10.GetOutputInfo(adapterOrdinal, outputOrdinal);
ModeDescription mode = new ModeDescription();
mode.RefreshRate = new Rational(0, 0);
mode.Format = Format.R8G8B8A8_UNorm;
mode.Scaling = DisplayModeScaling.Unspecified;
mode.ScanlineOrdering = DisplayModeScanlineOrdering.Unspecified;
mode.Width = 640;
mode.Height = 480;
if (outputInfo != null)
{
Rectangle rectangle = outputInfo.OutputDescription.DesktopBounds;
mode.Width = rectangle.Width;
mode.Height = rectangle.Height;
}
if (mode.Format == Format.B8G8R8A8_UNorm)
{
mode.Format = Format.R8G8B8A8_UNorm;
}
return(mode);
}
static void EnumerateOutputs(AdapterInfo10 adapterInfo)
{
for (int i = 0; i < adapterInfo.Adapter.GetOutputCount(); i++)
{
Output output = adapterInfo.Adapter.GetOutput(i);
OutputInfo10 outputInfo = new OutputInfo10();
outputInfo.OutputDescription = output.Description;
outputInfo.OutputOrdinal = i;
outputInfo.Output = output;
EnumerateDisplayModes(outputInfo);
if (outputInfo.DisplayModes.Count == 0)
{
continue;
}
adapterInfo.Outputs.Add(outputInfo);
output.Dispose();
}
}
static void EnumerateDisplayModes(OutputInfo10 outputInfo)
{
Format[] allowedFormats = { Format.R8G8B8A8_UNorm, Format.R8G8B8A8_UNorm_SRGB,
Format.R16G16B16A16_Float, Format.R10G10B10A2_UNorm };
foreach (Format format in allowedFormats)
{
ReadOnlyCollection <ModeDescription> modes = outputInfo.Output.GetDisplayModeList(format, DisplayModeEnumerationFlags.Scaling);
foreach (ModeDescription mode in modes)
{
if (MinimumSettings != null)
{
if (mode.Width < MinimumSettings.BackBufferWidth ||
mode.Height < MinimumSettings.BackBufferHeight ||
(int)ConversionMethods.ToFloat(mode.RefreshRate) < MinimumSettings.RefreshRate)
{
continue;
}
}
outputInfo.DisplayModes.Add(mode);
}
}
}
