public static Direct3D9Settings BuildOptimalSettings(DeviceSettings settings)
{
DisplayMode desktopMode = GraphicsDeviceManager.Direct3D9Object.GetAdapterDisplayMode(0);
Direct3D9Settings optimal = new Direct3D9Settings();
var pp = optimal.PresentParameters;
optimal.AdapterOrdinal = settings.AdapterOrdinal;
optimal.DeviceType = settings.DeviceType;
pp.Windowed = settings.Windowed;
pp.BackBufferCount = settings.BackBufferCount;
pp.MultiSampleType = settings.MultisampleType;
pp.MultiSampleQuality = settings.MultisampleQuality;
pp.FullScreenRefreshRateInHz = settings.RefreshRate;
if (settings.Multithreaded)
{
optimal.CreationFlags |= CreateFlags.Multithreaded;
}
if (optimal.PresentParameters.Windowed || ConversionMethods.GetColorBits(desktopMode.Format) >= 8)
{
optimal.AdapterFormat = desktopMode.Format;
}
else
{
optimal.AdapterFormat = Format.X8R8G8B8;
}
if (settings.BackBufferWidth == 0 || settings.BackBufferHeight == 0)
{
if (optimal.PresentParameters.Windowed)
{
pp.BackBufferWidth = 640;
pp.BackBufferHeight = 480;
}
else
{
pp.BackBufferWidth = desktopMode.Width;
pp.BackBufferHeight = desktopMode.Height;
}
}
else
{
pp.BackBufferWidth = settings.BackBufferWidth;
pp.BackBufferHeight = settings.BackBufferHeight;
}
if (settings.BackBufferFormat == Format.Unknown)
{
pp.BackBufferFormat = optimal.AdapterFormat;
}
else
{
pp.BackBufferFormat = settings.BackBufferFormat;
}
if (settings.DepthStencilFormat == Format.Unknown)
{
if (ConversionMethods.GetColorBits(optimal.PresentParameters.BackBufferFormat) >= 8)
{
pp.AutoDepthStencilFormat = Format.D32;
}
else
{
pp.AutoDepthStencilFormat = Format.D16;
}
}
else
{
pp.AutoDepthStencilFormat = settings.DepthStencilFormat;
}
if (!settings.EnableVSync)
{
pp.PresentationInterval = PresentInterval.Immediate;
}
optimal.PresentParameters = pp;
return(optimal);
}
public static float RankSettingsCombo(SettingsCombo9 combo, Direct3D9Settings optimal, DisplayMode desktopMode)
{
float ranking = 0.0f;
if (combo.AdapterOrdinal == optimal.AdapterOrdinal)
{
ranking += 1000.0f;
}
if (combo.DeviceType == optimal.DeviceType)
{
ranking += 100.0f;
}
if (combo.DeviceType == DeviceType.Hardware)
{
ranking += 0.1f;
}
if (combo.Windowed == optimal.PresentParameters.Windowed)
{
ranking += 10.0f;
}
if (combo.AdapterFormat == optimal.AdapterFormat)
{
ranking += 1.0f;
}
else
{
int bitDepthDelta = Math.Abs(ConversionMethods.GetColorBits(combo.AdapterFormat) -
ConversionMethods.GetColorBits(optimal.AdapterFormat));
float scale = Math.Max(0.9f - bitDepthDelta * 0.2f, 0.0f);
ranking += scale;
}
if (!combo.Windowed)
{
bool match;
if (ConversionMethods.GetColorBits(desktopMode.Format) >= 8)
{
match = (combo.AdapterFormat == desktopMode.Format);
}
else
{
match = (combo.AdapterFormat == Format.X8R8G8B8);
}
if (match)
{
ranking += 0.1f;
}
}
if ((optimal.CreationFlags & CreateFlags.HardwareVertexProcessing) != 0 &&
(optimal.CreationFlags & CreateFlags.MixedVertexProcessing) != 0)
{
if ((combo.DeviceInfo.Capabilities.DeviceCaps & DeviceCaps.HWTransformAndLight) != 0)
{
ranking += 1.0f;
}
}
if ((combo.DeviceInfo.Capabilities.DeviceCaps & DeviceCaps.HWTransformAndLight) != 0)
{
ranking += 0.1f;
}
foreach (DisplayMode displayMode in combo.AdapterInfo.DisplayModes)
{
if (displayMode.Format == combo.AdapterFormat &&
displayMode.Width == optimal.PresentParameters.BackBufferWidth &&
displayMode.Height == optimal.PresentParameters.BackBufferHeight)
{
ranking += 1.0f;
break;
}
}
if (combo.BackBufferFormat == optimal.PresentParameters.BackBufferFormat)
{
ranking += 1.0f;
}
else
{
int bitDepthDelta = Math.Abs(ConversionMethods.GetColorBits(combo.BackBufferFormat) -
ConversionMethods.GetColorBits(optimal.PresentParameters.BackBufferFormat));
float scale = Math.Max(0.9f - bitDepthDelta * 0.2f, 0.0f);
ranking += scale;
}
if (combo.BackBufferFormat == combo.AdapterFormat)
{
ranking += 0.1f;
}
for (int i = 0; i < combo.MultisampleTypes.Count; i++)
{
MultisampleType type = combo.MultisampleTypes[i];
int quality = combo.MultisampleQualities[i];
if (type == optimal.PresentParameters.MultiSampleType && quality == optimal.PresentParameters.MultiSampleQuality)
{
ranking += 1.0f;
break;
}
}
if (combo.DepthStencilFormats.Contains(optimal.PresentParameters.AutoDepthStencilFormat))
{
ranking += 1.0f;
}
foreach (DisplayMode displayMode in combo.AdapterInfo.DisplayModes)
{
if (displayMode.Format == combo.AdapterFormat &&
displayMode.RefreshRate == optimal.PresentParameters.FullScreenRefreshRateInHz)
{
ranking += 1.0f;
break;
}
}
if (combo.PresentIntervals.Contains(optimal.PresentParameters.PresentationInterval))
{
ranking += 1.0f;
}
return(ranking);
}