/// <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 (D3DUtil.GetDepthBits(depthStencilFmt) < AppMinDepthBits)
{
continue;
}
if (D3DUtil.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>
/// Enumerates available D3D adapters, devices, modes, etc.
/// </summary>
public void Enumerate()
{
foreach (AdapterInformation ai in Manager.Adapters)
{
ArrayList adapterFormatList = new ArrayList();
GraphicsAdapterInfo adapterInfo = new GraphicsAdapterInfo();
adapterInfo.AdapterOrdinal = ai.Adapter;
adapterInfo.AdapterDetails = ai.Information;
// Get list of all display modes on this adapter.
// Also build a temporary list of all display adapter formats.
foreach (DisplayMode displayMode in ai.SupportedDisplayModes)
{
if (displayMode.Width < AppMinFullscreenWidth)
{
continue;
}
if (displayMode.Height < AppMinFullscreenHeight)
{
continue;
}
if (D3DUtil.GetColorChannelBits(displayMode.Format) < AppMinColorChannelBits)
{
continue;
}
adapterInfo.DisplayModeList.Add(displayMode);
if (!adapterFormatList.Contains(displayMode.Format))
{
adapterFormatList.Add(displayMode.Format);
}
}
// Sort displaymode list
DisplayModeComparer dmc = new DisplayModeComparer();
adapterInfo.DisplayModeList.Sort(dmc);
// 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.DeviceInfoList.Count == 0)
{
continue;
}
AdapterInfoList.Add(adapterInfo);
}
}
/// <summary>
/// Enumerates DeviceCombos for a particular device
/// </summary>
protected void EnumerateDeviceCombos(GraphicsDeviceInfo deviceInfo, ArrayList adapterFormatList)
{
Format[] backBufferFormatArray = new Format[]
{
Format.A8R8G8B8, Format.X8R8G8B8, Format.A2R10G10B10,
Format.R5G6B5, Format.A1R5G5B5, Format.X1R5G5B5,
};
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 (D3DUtil.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);
}
}
}
}
