public static IReadOnlyList <DXGI_MODE_DESC> GetDisplayModeList(this IDXGIOutput output, DXGI_FORMAT format, DXGI_ENUM_MODES modes)
{
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
// DXGI_FORMAT_R16G16B16A16_FLOAT
// DXGI_FORMAT_R10G10B10A2_UNORM
// DXGI_FORMAT_R8G8B8A8_UNORM
// DXGI_FORMAT_R8G8B8A8_UNORM_SRGB
// DXGI_FORMAT_B8G8R8A8_UNORM
// DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM
// DXGI_FORMAT_B8G8R8A8_UNORM_SRGB
var list = new List <DXGI_MODE_DESC>();
uint num = 0;
output.GetDisplayModeList(format, (uint)modes, ref num, null);
if (num > 0)
{
var array = new DXGI_MODE_DESC[num];
output.GetDisplayModeList(format, (uint)modes, ref num, array);
list.AddRange(array);
}
return(list);
}
/// <summary>
/// Initializes a new instance of the <see cref="EngineOutputInfo" /> class.
/// </summary>
internal EngineOutputInfo(int adapterIndex, int outputIndex, IDXGIOutput output)
{
this.AdapterIndex = adapterIndex;
this.OutputIndex = outputIndex;
_outputDescription = output.Description;
// Get all supported modes
var modes = output.GetDisplayModeList(
GraphicsHelper.Internals.DEFAULT_TEXTURE_FORMAT,
DisplayModeEnumerationFlags.Interlaced);
// Convert and sort them
var engineModes = new EngineOutputModeInfo[modes.Length];
for (var loop = 0; loop < engineModes.Length; loop++)
{
engineModes[loop] = new EngineOutputModeInfo(this, modes[loop]);
}
Array.Sort(engineModes, (left, right) =>
{
var result = left.PixelCount.CompareTo(right.PixelCount);
if (result == 0)
{
result = left.RefreshRateNumerator.CompareTo(right.RefreshRateNumerator);
}
return(result);
});
// Strip them (we want to have each relevant mode once)
var strippedModeList = new List <EngineOutputModeInfo>(engineModes.Length);
var lastOutputMode = new EngineOutputModeInfo();
for (var loop = engineModes.Length - 1; loop > -1; loop--)
{
if (!engineModes[loop].Equals(lastOutputMode))
{
lastOutputMode = engineModes[loop];
strippedModeList.Add(lastOutputMode);
}
}
// Store mode list
this.SupportedModes = strippedModeList.ToArray();
}
