public static bool CreateGraphicsDevice3D(GraphicsDeviceSettings settings, Control deviceTarget,
out GraphicsDeviceSettings outSettings, out Device device,
out PresentParameters pParams)
{
try
{
pParams = new PresentParameters();
if (settings.DepthFormat != DepthFormat.Unknown)
{
pParams.EnableAutoDepthStencil = true;
pParams.AutoDepthStencilFormat = settings.DepthFormat;
}
if (settings.DisplayFormat != Format.Unknown)
{
pParams.BackBufferFormat = settings.DisplayFormat;
}
pParams.MultiSample = settings.MultiSample;
pParams.SwapEffect = SwapEffect.Discard;
pParams.Windowed = settings.Windowed;
device = new Device(settings.Adapter, settings.Type, deviceTarget, settings.CreateFlags, pParams);
// capture actual final output description
outSettings = new GraphicsDeviceSettings(settings.Adapter, settings.Windowed,
device.CreationParameters.DeviceType,
device.DisplayMode.Format,
device.GetBackBuffer(0, 0, BackBufferType.Mono).Description.MultiSampleType,
device.PresentationParameters.AutoDepthStencilFormat,
settings.CreateFlags);
return(true);
}
catch (Exception)
{ }
pParams = null;
device = null;
outSettings = null;
return(false);
}
public static GraphicsDeviceSettings CreateFromRequirements(GraphicsDeviceRequirements requirements,
GraphicsDeviceCaps caps,
GraphicsDeviceRequirements fallbacks,
out bool fullyMatchReq)
{
if (caps == null)
{
caps = GraphicsDeviceCaps.GetDefaultAdapterCaps(requirements);
}
GraphicsDeviceSettings settings = new GraphicsDeviceSettings();
settings.adapter = caps.Adapter;
Type type = typeof(GraphicsDeviceSettings);
GraphicsDeviceCaps.OutputCapsCompatibility reqComp = caps.CheckCompatibility(requirements);
GraphicsDeviceCaps.OutputCapsCompatibility fallbackComp = caps.CheckCompatibility(fallbacks);
fullyMatchReq = reqComp.FullMatch;
// check reqs against caps
if (reqComp.SupportDeviceType)
{
settings.devType = requirements.DeviceType;
}
else if (fallbackComp.SupportDeviceType)
{
settings.devType = fallbacks.DeviceType;
}
else
{
throw new OutputSettingsException(type.GetProperty("DeviceType"),
requirements.DeviceType, null);
}
if (reqComp.SupportDeviceFormat)
{
settings.devFormat = requirements.DisplayFormat;
}
else if (fallbackComp.SupportDeviceFormat)
{
settings.devFormat = fallbacks.DisplayFormat;
}
else
{
throw new OutputSettingsException(type.GetProperty("DeviceFormat"),
requirements.DisplayFormat, null);
}
if (reqComp.SupportDepthFormat)
{
settings.depthFormat = requirements.DepthFormats[0];
}
else if (fallbackComp.SupportDepthFormat)
{
settings.depthFormat = fallbacks.DepthFormats[0];
}
else
{
throw new OutputSettingsException(type.GetProperty("DepthFormat"),
requirements.DepthFormats[0], null);
}
if (caps.HardwareTnL && requirements.HardwareTnL)
{
settings.createFlags = CreateFlags.HardwareVertexProcessing;
}
else if (!requirements.HardwareTnL)
{
settings.createFlags = CreateFlags.SoftwareVertexProcessing;
}
else if (!fallbacks.HardwareTnL)
{
settings.createFlags = CreateFlags.SoftwareVertexProcessing;
}
else
{
throw new OutputSettingsException(type.GetProperty("CreateFlags"),
requirements.HardwareTnL, null);
}
if (requirements.MultiSample <= caps.AntiAliasing.MaxSupported)
{
settings.multisample = requirements.MultiSample;
}
else if (fallbacks.MultiSample <= caps.AntiAliasing.MaxSupported)
{
settings.multisample = fallbacks.MultiSample;
}
else
{
throw new OutputSettingsException(type.GetProperty("AntiAliasing"),
requirements.MultiSample, caps.AntiAliasing.MaxSupported);
}
return(settings);
}
public static GraphicsDeviceSettings CreateFromRequirements(GraphicsDeviceRequirements requirements,
GraphicsDeviceCaps caps,
GraphicsDeviceRequirements fallbacks,
out bool fullyMatchReq)
{
if (caps == null)
caps = GraphicsDeviceCaps.GetDefaultAdapterCaps(requirements);
GraphicsDeviceSettings settings = new GraphicsDeviceSettings();
settings.adapter = caps.Adapter;
Type type = typeof(GraphicsDeviceSettings);
GraphicsDeviceCaps.OutputCapsCompatibility reqComp = caps.CheckCompatibility(requirements);
GraphicsDeviceCaps.OutputCapsCompatibility fallbackComp = caps.CheckCompatibility(fallbacks);
fullyMatchReq = reqComp.FullMatch;
// check reqs against caps
if (reqComp.SupportDeviceType)
settings.devType = requirements.DeviceType;
else if (fallbackComp.SupportDeviceType)
settings.devType = fallbacks.DeviceType;
else
throw new OutputSettingsException(type.GetProperty("DeviceType"),
requirements.DeviceType, null);
if (reqComp.SupportDeviceFormat)
settings.devFormat = requirements.DisplayFormat;
else if (fallbackComp.SupportDeviceFormat)
settings.devFormat = fallbacks.DisplayFormat;
else
throw new OutputSettingsException(type.GetProperty("DeviceFormat"),
requirements.DisplayFormat, null);
if (reqComp.SupportDepthFormat)
settings.depthFormat = requirements.DepthFormats[0];
else if (fallbackComp.SupportDepthFormat)
settings.depthFormat = fallbacks.DepthFormats[0];
else
throw new OutputSettingsException(type.GetProperty("DepthFormat"),
requirements.DepthFormats[0], null);
if (caps.HardwareTnL && requirements.HardwareTnL)
settings.createFlags = CreateFlags.HardwareVertexProcessing;
else if (!requirements.HardwareTnL)
settings.createFlags = CreateFlags.SoftwareVertexProcessing;
else if (!fallbacks.HardwareTnL)
settings.createFlags = CreateFlags.SoftwareVertexProcessing;
else
throw new OutputSettingsException(type.GetProperty("CreateFlags"),
requirements.HardwareTnL, null);
if (requirements.MultiSample <= caps.AntiAliasing.MaxSupported)
settings.multisample = requirements.MultiSample;
else if (fallbacks.MultiSample <= caps.AntiAliasing.MaxSupported)
settings.multisample = fallbacks.MultiSample;
else
throw new OutputSettingsException(type.GetProperty("AntiAliasing"),
requirements.MultiSample, caps.AntiAliasing.MaxSupported);
return settings;
}
public static bool CreateGraphicsDevice3D(GraphicsDeviceSettings settings, Control deviceTarget,
out GraphicsDeviceSettings outSettings, out Device device,
out PresentParameters pParams)
{
try
{
pParams = new PresentParameters();
if (settings.DepthFormat != DepthFormat.Unknown)
{
pParams.EnableAutoDepthStencil = true;
pParams.AutoDepthStencilFormat = settings.DepthFormat;
}
if (settings.DisplayFormat != Format.Unknown)
pParams.BackBufferFormat = settings.DisplayFormat;
pParams.MultiSample = settings.MultiSample;
pParams.SwapEffect = SwapEffect.Discard;
pParams.Windowed = settings.Windowed;
device = new Device(settings.Adapter, settings.Type, deviceTarget, settings.CreateFlags, pParams);
// capture actual final output description
outSettings = new GraphicsDeviceSettings(settings.Adapter, settings.Windowed,
device.CreationParameters.DeviceType,
device.DisplayMode.Format,
device.GetBackBuffer(0, 0, BackBufferType.Mono).Description.MultiSampleType,
device.PresentationParameters.AutoDepthStencilFormat,
settings.CreateFlags);
return true;
}
catch (Exception)
{ }
pParams = null;
device = null;
outSettings = null;
return false;
}
protected virtual void InitializeEnvironment(CommonDeviceInterface cdi, HashTableSettings localSettings)
{
// Get device settings
if (outCaps == null)
outCaps = GraphicsDeviceCaps.GetDefaultAdapterCaps(outProfile.RecommendedVariations[0]);
// find first recommended settings with full match
bool fullMatch = false;
outSettings = GraphicsDeviceSettings.CreateFromRequirements(outProfile.RecommendedVariation,
outCaps, outProfile.MinReqs,
out fullMatch);
// Set up the presentation parameters
presentParams.Windowed = outProfile.RecommendedVariations[0].Windowed;
presentParams.SwapEffect = SwapEffect.Discard;
presentParams.AutoDepthStencilFormat = outSettings.DepthFormat;
presentParams.EnableAutoDepthStencil = (outSettings.DepthFormat != DepthFormat.Unknown);
presentParams.MultiSample = outSettings.MultiSample;
CreateDevice();
devIf = new DeviceInterface(gDevice, cdi, localSettings);
gPipeline = new GraphicsPipeline(gDevice);
}
