/// <summary>
/// Adds all present intervals that are compatible with the device and app to
/// the given deviceCombo
/// </summary>
public void BuildPresentIntervalList(GraphicsDeviceInfo deviceInfo, DeviceCombo deviceCombo)
{
PresentInterval[] piArray =
{
PresentInterval.Immediate,
PresentInterval.Default,
PresentInterval.One,
PresentInterval.Two,
PresentInterval.Three,
PresentInterval.Four,
};
foreach (PresentInterval pi in piArray)
{
if (deviceCombo.IsWindowed)
{
if (pi == PresentInterval.Two ||
pi == PresentInterval.Three ||
pi == PresentInterval.Four)
{
// These intervals are not supported in windowed mode.
continue;
}
}
// Note that PresentInterval.Default is zero, so you
// can't do a caps check for it -- it is always available.
if (pi == PresentInterval.Default ||
(deviceInfo.Caps.PresentInterval & pi) != (PresentInterval)0)
{
deviceCombo.PresentIntervalList.Add(pi);
}
}
}
/// <summary>
/// Adds all vertex processing types that are compatible with the device and app to
/// the given deviceCombo
/// </summary>
public void BuildVertexProcessingTypeList(GraphicsDeviceInfo deviceInfo, DeviceCombo deviceCombo)
{
if (deviceInfo.Caps.DeviceCaps.SupportsHardwareTransformAndLight)
{
if (deviceInfo.Caps.DeviceCaps.SupportsPureDevice)
{
if (ConfirmDeviceCallback == null ||
ConfirmDeviceCallback(deviceInfo.Caps, VertexProcessingType.PureHardware, deviceCombo.BackBufferFormat))
{
deviceCombo.VertexProcessingTypeList.Add(VertexProcessingType.PureHardware);
}
}
if (ConfirmDeviceCallback == null ||
ConfirmDeviceCallback(deviceInfo.Caps, VertexProcessingType.Hardware, deviceCombo.BackBufferFormat))
{
deviceCombo.VertexProcessingTypeList.Add(VertexProcessingType.Hardware);
}
if (AppUsesMixedVP && (ConfirmDeviceCallback == null ||
ConfirmDeviceCallback(deviceInfo.Caps, VertexProcessingType.Mixed, deviceCombo.BackBufferFormat)))
{
deviceCombo.VertexProcessingTypeList.Add(VertexProcessingType.Mixed);
}
}
if (ConfirmDeviceCallback == null ||
ConfirmDeviceCallback(deviceInfo.Caps, VertexProcessingType.Software, deviceCombo.BackBufferFormat))
{
deviceCombo.VertexProcessingTypeList.Add(VertexProcessingType.Software);
}
}
/// <summary>
/// Adds all multisample types that are compatible with the device and app to
/// the given deviceCombo
/// </summary>
public void BuildMultiSampleTypeList(DeviceCombo deviceCombo)
{
MultiSampleType[] msTypeArray =
{
MultiSampleType.None,
MultiSampleType.NonMaskable,
MultiSampleType.TwoSamples,
MultiSampleType.ThreeSamples,
MultiSampleType.FourSamples,
MultiSampleType.FiveSamples,
MultiSampleType.SixSamples,
MultiSampleType.SevenSamples,
MultiSampleType.EightSamples,
MultiSampleType.NineSamples,
MultiSampleType.TenSamples,
MultiSampleType.ElevenSamples,
MultiSampleType.TwelveSamples,
MultiSampleType.ThirteenSamples,
MultiSampleType.FourteenSamples,
MultiSampleType.FifteenSamples,
MultiSampleType.SixteenSamples,
};
foreach (MultiSampleType msType in msTypeArray)
{
if (Manager.CheckDeviceMultiSampleType(deviceCombo.AdapterOrdinal, deviceCombo.DevType,
deviceCombo.BackBufferFormat, deviceCombo.IsWindowed, msType))
{
deviceCombo.MultiSampleTypeList.Add(msType);
//deviceCombo.MultiSampleQualityList.Add(qualityLevels);
}
}
}
/// <summary>
/// Adds all depth/stencil formats that are compatible with the device and app to
/// the given deviceCombo
/// </summary>
public void BuildDepthStencilFormatList(DeviceCombo deviceCombo)
{
DepthFormat[] depthStencilFormatArray =
{
DepthFormat.D16,
DepthFormat.D15S1,
DepthFormat.D24X8,
DepthFormat.D24S8,
DepthFormat.D24X4S4,
DepthFormat.D32,
};
foreach (DepthFormat depthStencilFmt in depthStencilFormatArray)
{
if (GraphicsUtility.GetDepthBits(depthStencilFmt) < AppMinDepthBits)
{
continue;
}
if (GraphicsUtility.GetStencilBits(depthStencilFmt) < AppMinStencilBits)
{
continue;
}
if (Manager.CheckDeviceFormat(deviceCombo.AdapterOrdinal, deviceCombo.DevType, deviceCombo.AdapterFormat,
Usage.DepthStencil, ResourceType.Surface, depthStencilFmt))
{
if (Manager.CheckDepthStencilMatch(deviceCombo.AdapterOrdinal, deviceCombo.DevType,
deviceCombo.AdapterFormat, deviceCombo.BackBufferFormat, depthStencilFmt))
{
deviceCombo.DepthStencilFormatList.Add(depthStencilFmt);
}
}
}
}
/// <summary>
/// Finds any depthstencil formats that are incompatible with multisample types and
/// builds a list of them.
/// </summary>
public void BuildDepthStencilMultiSampleConflictList(DeviceCombo deviceCombo)
{
DepthStencilMultiSampleConflict DSMSConflict;
foreach (DepthFormat dsFmt in deviceCombo.DepthStencilFormatList)
{
foreach (MultiSampleType msType in deviceCombo.MultiSampleTypeList)
{
if (!Manager.CheckDeviceMultiSampleType(deviceCombo.AdapterOrdinal,
deviceCombo.DevType, (Format)dsFmt, deviceCombo.IsWindowed, msType))
{
DSMSConflict = new DepthStencilMultiSampleConflict();
DSMSConflict.DepthStencilFormat = dsFmt;
DSMSConflict.MultiSampleType = msType;
deviceCombo.DepthStencilMultiSampleConflictList.Add(DSMSConflict);
}
}
}
}
/// <summary>
/// Enumerates DeviceCombos for a particular device
/// </summary>
protected void EnumerateDeviceCombos(GraphicsDeviceInfo deviceInfo, ArrayList adapterFormatList)
{
Format[] backBufferFormatArray = new Format[]
{
Format.R8G8B8, Format.A8R8G8B8, Format.X8R8G8B8,
Format.R5G6B5, Format.A1R5G5B5, Format.X1R5G5B5,
Format.R3G3B2, Format.A8R3G3B2,
Format.X4R4G4B4, Format.A4R4G4B4,
Format.A2B10G10R10
};
bool[] isWindowedArray = new bool[] { false, true };
// See which adapter formats are supported by this device
foreach (Format adapterFormat in adapterFormatList)
{
foreach (Format backBufferFormat in backBufferFormatArray)
{
if (GraphicsUtility.GetAlphaChannelBits(backBufferFormat) < AppMinAlphaChannelBits)
{
continue;
}
foreach (bool isWindowed in isWindowedArray)
{
if (!isWindowed && AppRequiresWindowed)
{
continue;
}
if (isWindowed && AppRequiresFullscreen)
{
continue;
}
if (!Manager.CheckDeviceType(deviceInfo.AdapterOrdinal, deviceInfo.DevType, adapterFormat, backBufferFormat, isWindowed))
{
continue;
}
// At this point, we have an adapter/device/adapterformat/backbufferformat/iswindowed
// DeviceCombo that is supported by the system. We still need to confirm that it's
// compatible with the app, and find one or more suitable depth/stencil buffer format,
// multisample type, vertex processing type, and present interval.
DeviceCombo deviceCombo = new DeviceCombo();
deviceCombo.AdapterOrdinal = deviceInfo.AdapterOrdinal;
deviceCombo.DevType = deviceInfo.DevType;
deviceCombo.AdapterFormat = adapterFormat;
deviceCombo.BackBufferFormat = backBufferFormat;
deviceCombo.IsWindowed = isWindowed;
if (AppUsesDepthBuffer)
{
BuildDepthStencilFormatList(deviceCombo);
if (deviceCombo.DepthStencilFormatList.Count == 0)
{
continue;
}
}
BuildMultiSampleTypeList(deviceCombo);
if (deviceCombo.MultiSampleTypeList.Count == 0)
{
continue;
}
BuildDepthStencilMultiSampleConflictList(deviceCombo);
BuildVertexProcessingTypeList(deviceInfo, deviceCombo);
if (deviceCombo.VertexProcessingTypeList.Count == 0)
{
continue;
}
BuildPresentIntervalList(deviceInfo, deviceCombo);
if (deviceCombo.PresentIntervalList.Count == 0)
{
continue;
}
deviceInfo.DeviceComboList.Add(deviceCombo);
}
}
}
}
