/// <summary>
/// Adds all depth/stencil formats that are compatible with the device and app to
/// the given deviceCombo
/// </summary>
public void BuildDepthStencilFormatList(DeviceCombo deviceCombo)
{
Format[] depthStencilFormatArray =
{
Format.D16,
Format.D15S1,
Format.D24X8,
Format.D24S8,
Format.D24X4S4,
Format.D32,
};
foreach (Format depthStencilFmt in depthStencilFormatArray)
{
if (D3DUtil.GetDepthBits(depthStencilFmt) < AppMinDepthBits)
{
continue;
}
if (D3DUtil.GetStencilBits(depthStencilFmt) < AppMinStencilBits)
{
continue;
}
if (MPDirect3D.Direct3D.CheckDeviceFormat(deviceCombo.AdapterOrdinal, deviceCombo.DevType, deviceCombo.AdapterFormat,
Usage.DepthStencil, ResourceType.Surface, depthStencilFmt))
{
if (MPDirect3D.Direct3D.CheckDepthStencilMatch(deviceCombo.AdapterOrdinal, deviceCombo.DevType,
deviceCombo.AdapterFormat, deviceCombo.BackBufferFormat, depthStencilFmt))
{
deviceCombo.DepthStencilFormats.Add(depthStencilFmt);
}
}
}
}
public bool AppUsesMixedVP = false; // whether app can take advantage of mixed vp mode
/// <summary>
/// Enumerates available D3D adapters, devices, modes, etc.
/// </summary>
public void Enumerate()
{
foreach (AdapterInformation ai in MPDirect3D.Direct3D.Adapters)
{
ICollection <Format> adapterFormatList = new List <Format>();
GraphicsAdapterInfo adapterInfo = new GraphicsAdapterInfo
{
AdapterOrdinal = ai.Adapter,
AdapterDetails = ai.Details
};
List <DisplayMode> displayModes = new List <DisplayMode>();
// Get list of all display modes on this adapter.
// Also build a temporary list of all display adapter formats.
foreach (DisplayMode displayMode in ai.GetDisplayModes(Format.X8R8G8B8))
{
if (displayMode.Width < AppMinFullscreenWidth)
{
continue;
}
if (displayMode.Height < AppMinFullscreenHeight)
{
continue;
}
if (D3DUtil.GetColorChannelBits(displayMode.Format) < AppMinColorChannelBits)
{
continue;
}
displayModes.Add(displayMode);
if (!adapterFormatList.Contains(displayMode.Format))
{
adapterFormatList.Add(displayMode.Format);
}
}
// Sort displaymode list
DisplayModeComparer dmc = new DisplayModeComparer();
displayModes.Sort(dmc);
adapterInfo.DisplayModes = displayModes;
// Get info for each device on this adapter
EnumerateDevices(adapterInfo, adapterFormatList);
// If at least one device on this adapter is available and compatible
// with the app, add the adapterInfo to the list
if (adapterInfo.DeviceInfos.Count == 0)
{
continue;
}
AdapterInfoList.Add(adapterInfo);
}
}
/// <summary>
/// Enumerates DeviceCombos for a particular device
/// </summary>
protected void EnumerateDeviceCombos(GraphicsDeviceInfo deviceInfo, ICollection <Format> adapterFormatList)
{
Format[] backBufferFormats = new Format[]
{
Format.A8R8G8B8, Format.X8R8G8B8, Format.A2R10G10B10,
Format.R5G6B5, Format.A1R5G5B5, Format.X1R5G5B5,
};
bool[] bools = new bool[] { false, true };
// See which adapter formats are supported by this device
foreach (Format adapterFormat in adapterFormatList)
{
foreach (Format backBufferFormat in backBufferFormats)
{
if (D3DUtil.GetAlphaChannelBits(backBufferFormat) < AppMinAlphaChannelBits)
{
continue;
}
foreach (bool isWindowed in bools)
{
if (!MPDirect3D.Direct3D.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
{
AdapterOrdinal = deviceInfo.AdapterOrdinal,
DevType = deviceInfo.DevType,
AdapterFormat = adapterFormat,
BackBufferFormat = backBufferFormat,
IsWindowed = isWindowed
};
if (AppUsesDepthBuffer)
{
BuildDepthStencilFormatList(deviceCombo);
if (deviceCombo.DepthStencilFormats.Count == 0)
{
continue;
}
}
BuildMultisampleTypeList(deviceCombo);
if (deviceCombo.MultisampleTypes.Count == 0)
{
continue;
}
BuildDepthStencilMultiSampleConflictList(deviceCombo);
BuildVertexProcessingTypeList(deviceInfo, deviceCombo);
if (deviceCombo.VertexProcessingTypes.Count == 0)
{
continue;
}
BuildPresentIntervalList(deviceInfo, deviceCombo);
if (deviceCombo.PresentIntervals.Count == 0)
{
continue;
}
deviceInfo.DeviceCombos.Add(deviceCombo);
}
}
}
}