public Direct3D9Settings Clone()
{
Direct3D9Settings clone = new Direct3D9Settings();
clone.AdapterFormat = AdapterFormat;
clone.AdapterOrdinal = AdapterOrdinal;
clone.CreationFlags = CreationFlags;
clone.DeviceType = DeviceType;
clone.PresentParameters = PresentParameters;
return(clone);
}
static DisplayMode FindValidResolution(SettingsCombo9 combo, Direct3D9Settings input)
{
DisplayMode bestMode = new DisplayMode();
if (combo.Windowed)
{
bestMode.Width = input.PresentParameters.BackBufferWidth;
bestMode.Height = input.PresentParameters.BackBufferHeight;
return(bestMode);
}
int bestRanking = 100000;
int ranking;
foreach (DisplayMode mode in combo.AdapterInfo.DisplayModes)
{
if (mode.Format != combo.AdapterFormat)
{
continue;
}
ranking = Math.Abs(mode.Width - input.PresentParameters.BackBufferWidth) +
Math.Abs(mode.Height - input.PresentParameters.BackBufferHeight);
if (ranking < bestRanking)
{
bestMode = mode;
bestRanking = ranking;
if (bestRanking == 0)
{
break;
}
}
}
if (bestMode.Width == 0)
{
bestMode.Width = input.PresentParameters.BackBufferWidth;
bestMode.Height = input.PresentParameters.BackBufferHeight;
}
return(bestMode);
}
/// <summary>
/// Finds valid device settings based upon the desired settings.
/// </summary>
/// <param name="settings">The desired settings.</param>
/// <returns>The best valid device settings matching the input settings.</returns>
public static DeviceSettings FindValidSettings(DeviceSettings settings)
{
try
{
GraphicsDeviceManager.EnsureD3D9();
}
catch (Exception e)
{
throw new NoCompatibleDevicesException("Could not initialize Direct3D9.", e);
}
if (!Enumeration9.HasEnumerated)
{
Enumeration9.Enumerate();
}
DeviceSettings newSettings = settings.Clone();
Direct3D9Settings d3d9 = FindValidD3D9Settings(settings);
newSettings.Direct3D9 = d3d9;
return(newSettings);
}
static Direct3D9Settings FindValidD3D9Settings(DeviceSettings settings)
{
Direct3D9Settings optimal = Direct3D9Settings.BuildOptimalSettings(settings);
SettingsCombo9 bestCombo = null;
float bestRanking = -1.0f;
foreach (AdapterInfo9 adapterInfo in Enumeration9.Adapters)
{
DisplayMode desktopMode = GraphicsDeviceManager.Direct3D9Object.GetAdapterDisplayMode(adapterInfo.AdapterOrdinal);
foreach (DeviceInfo9 deviceInfo in adapterInfo.Devices)
{
foreach (SettingsCombo9 combo in deviceInfo.DeviceSettings)
{
if (combo.Windowed && combo.AdapterFormat != desktopMode.Format)
{
continue;
}
float ranking = Direct3D9Settings.RankSettingsCombo(combo, optimal, desktopMode);
if (ranking > bestRanking)
{
bestCombo = combo;
bestRanking = ranking;
}
}
}
}
if (bestCombo == null)
{
throw new NoCompatibleDevicesException("No compatible Direct3D9 devices found.");
}
return(Direct3D9Settings.BuildValidSettings(bestCombo, optimal));
}
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 Direct3D9Settings BuildValidSettings(SettingsCombo9 combo, Direct3D9Settings input)
{
Direct3D9Settings settings = new Direct3D9Settings();
var pp = settings.PresentParameters;
settings.AdapterOrdinal = combo.AdapterOrdinal;
settings.DeviceType = combo.DeviceType;
settings.AdapterFormat = combo.AdapterFormat;
pp.Windowed = combo.Windowed;
pp.BackBufferFormat = combo.BackBufferFormat;
pp.SwapEffect = input.PresentParameters.SwapEffect;
pp.PresentFlags = input.PresentParameters.PresentFlags | PresentFlags.DiscardDepthStencil;
settings.CreationFlags = input.CreationFlags;
if ((combo.DeviceInfo.Capabilities.DeviceCaps & DeviceCaps.HWTransformAndLight) == 0 &&
((settings.CreationFlags & CreateFlags.HardwareVertexProcessing) != 0 ||
(settings.CreationFlags & CreateFlags.MixedVertexProcessing) != 0))
{
settings.CreationFlags &= ~CreateFlags.HardwareVertexProcessing;
settings.CreationFlags &= ~CreateFlags.MixedVertexProcessing;
settings.CreationFlags |= CreateFlags.SoftwareVertexProcessing;
}
if ((settings.CreationFlags & CreateFlags.HardwareVertexProcessing) == 0 &&
(settings.CreationFlags & CreateFlags.MixedVertexProcessing) == 0 &&
(settings.CreationFlags & CreateFlags.SoftwareVertexProcessing) == 0)
{
if ((combo.DeviceInfo.Capabilities.DeviceCaps & DeviceCaps.HWTransformAndLight) != 0)
{
settings.CreationFlags |= CreateFlags.HardwareVertexProcessing;
}
else
{
settings.CreationFlags |= CreateFlags.SoftwareVertexProcessing;
}
}
DisplayMode bestDisplayMode = FindValidResolution(combo, input);
pp.BackBufferWidth = bestDisplayMode.Width;
pp.BackBufferHeight = bestDisplayMode.Height;
pp.BackBufferCount = input.PresentParameters.BackBufferCount;
if (pp.BackBufferCount > 3)
{
pp.BackBufferCount = 3;
}
if (pp.BackBufferCount < 1)
{
pp.BackBufferCount = 1;
}
if (input.PresentParameters.SwapEffect != SwapEffect.Discard)
{
pp.MultiSampleType = MultisampleType.None;
pp.MultiSampleQuality = 0;
}
else
{
MultisampleType bestType = MultisampleType.None;
int bestQuality = 0;
for (int i = 0; i < combo.MultisampleTypes.Count; i++)
{
MultisampleType type = combo.MultisampleTypes[i];
int quality = combo.MultisampleQualities[i];
if (Math.Abs(type - input.PresentParameters.MultiSampleType) < Math.Abs(bestType - input.PresentParameters.MultiSampleType))
{
bestType = type;
bestQuality = Math.Min(quality - 1, input.PresentParameters.MultiSampleQuality);
}
}
pp.MultiSampleType = bestType;
pp.MultiSampleQuality = bestQuality;
}
List <int> rankings = new List <int>();
int inputDepthBitDepth = ConversionMethods.GetDepthBits(input.PresentParameters.AutoDepthStencilFormat);
int inputStencilBitDepth = ConversionMethods.GetStencilBits(input.PresentParameters.AutoDepthStencilFormat);
foreach (Format format in combo.DepthStencilFormats)
{
int currentBitDepth = ConversionMethods.GetDepthBits(format);
int currentStencilDepth = ConversionMethods.GetStencilBits(format);
int ranking = Math.Abs(currentBitDepth - inputDepthBitDepth);
ranking += Math.Abs(currentStencilDepth - inputStencilBitDepth);
rankings.Add(ranking);
}
int bestRanking = int.MaxValue;
foreach (int ranking in rankings)
{
if (ranking < bestRanking)
{
bestRanking = ranking;
}
}
int bestIndex = rankings.IndexOf(bestRanking);
if (bestIndex >= 0)
{
pp.AutoDepthStencilFormat = combo.DepthStencilFormats[bestIndex];
pp.EnableAutoDepthStencil = true;
}
else
{
pp.AutoDepthStencilFormat = Format.Unknown;
pp.EnableAutoDepthStencil = false;
}
if (combo.Windowed)
{
pp.FullScreenRefreshRateInHz = 0;
}
else
{
int match = input.PresentParameters.FullScreenRefreshRateInHz;
bestDisplayMode.RefreshRate = 0;
if (match != 0)
{
bestRanking = 100000;
foreach (DisplayMode displayMode in combo.AdapterInfo.DisplayModes)
{
if (displayMode.Format != combo.AdapterFormat ||
displayMode.Width != bestDisplayMode.Width ||
displayMode.Height != bestDisplayMode.Height)
{
continue;
}
int ranking = Math.Abs(displayMode.RefreshRate - match);
if (ranking < bestRanking)
{
bestDisplayMode.RefreshRate = displayMode.RefreshRate;
bestRanking = ranking;
if (bestRanking == 0)
{
break;
}
}
}
}
pp.FullScreenRefreshRateInHz = bestDisplayMode.RefreshRate;
}
if (combo.PresentIntervals.Contains(input.PresentParameters.PresentationInterval))
{
pp.PresentationInterval = input.PresentParameters.PresentationInterval;
}
else
{
pp.PresentationInterval = PresentInterval.Default;
}
settings.PresentParameters = pp;
return(settings);
}
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);
}