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;
}
