public override bool TryEnablePreferentialOrdering(DevicePreference preference)
{
DXCoreAdapterPreference *pPreferences = stackalloc DXCoreAdapterPreference[4];
int i = 0;
_softwareOnly = preference.HasFlag(DevicePreference.Software) && !preference.HasFlag(DevicePreference.Hardware);
if (!TryAdd(DevicePreference.Hardware, DXCoreAdapterPreference.Hardware))
{
return(false);
}
if (!TryAdd(DevicePreference.LowPower, DXCoreAdapterPreference.MinimumPower))
{
return(false);
}
if (!TryAdd(DevicePreference.HighPerformance, DXCoreAdapterPreference.HighPerformance))
{
return(false);
}
Guard.ThrowIfFailed(_list.Ptr->Sort((uint)i, pPreferences));
return(true);
bool TryAdd(DevicePreference devicePref, DXCoreAdapterPreference dxCorePref)
{
if (!preference.HasFlag(devicePref))
{
return(true);
}
if (!_list.Ptr->IsAdapterPreferenceSupported(dxCorePref))
{
return(false);
}
StackSentinel.StackAssert(i < 4);
pPreferences[i++] = dxCorePref;
return(true);
}
}
public int Sort([NativeTypeName("uint32_t")] uint numPreferences, [NativeTypeName("const DXCoreAdapterPreference *")] DXCoreAdapterPreference *preferences)
{
return(((delegate * unmanaged <IDXCoreAdapterList *, uint, DXCoreAdapterPreference *, int>)(lpVtbl[7]))((IDXCoreAdapterList *)Unsafe.AsPointer(ref this), numPreferences, preferences));
}
