/// <summary>
/// Get whether a physical device meets requirement features and capabilities
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
private static bool GetDeviceMeetsRequirements(PhysicalDevice device, SurfaceKhr surface)
{
// Argument checks
if (device is null)
{
throw new ArgumentNullException(nameof(device));
}
if (surface is null)
{
throw new ArgumentNullException(nameof(surface));
}
// Check device features
{
var features = device.GetFeatures();
if (!features.SamplerAnisotropy)
{
return(false);
}
var limits = device.GetProperties().Limits;
if (limits.MaxVertexInputAttributes < 16)
{
return(false);
}
if (limits.MaxUniformBufferRange < sizeof(float) * 4 * 254)
{
return(false);
}
if (limits.MaxVertexInputBindings < 2)
{
return(false);
}
if (limits.MaxPointSize <= 1)
{
return(false);
}
}
// Check queue families
{
var families = device.GetQueueFamilyProperties();
// Graphics, compute, transfer
{
if (families.Count(family => QueueFamily.Supports(family, Queues.Graphics)) == 0 ||
families.Count(family => QueueFamily.Supports(family, Queues.Compute)) == 0 ||
families.Count(family => QueueFamily.Supports(family, Queues.Transfer)) == 0)
{
return(false);
}
}
// Present
{
var foundPresent = false;
for (var i = 0; i < families.Length; i++)
{
if (QueueFamily.SupportsPresenting(i, device, surface))
{
foundPresent = true;
break;
}
}
if (!foundPresent)
{
return(false);
}
}
}
return(true);
}
