public PooledMemoryBuffer(Device dev, VkBufferUsageFlag usage, VkBufferCreateFlag flags, MemoryRequirements req,
ulong size, params uint[] sharedQueueFamilies) :
base(dev, usage, flags, size, sharedQueueFamilies)
{
var pool = Size >= DeviceMemoryPools.BlockSizeForPool(DeviceMemoryPools.Pool.LargeBufferPool)
? DeviceMemoryPools.Pool.LargeBufferPool
: DeviceMemoryPools.Pool.SmallBufferPool;
var reqs = MemoryRequirements.Union(MemoryRequirements, req);
var type = reqs.FindMemoryType(PhysicalDevice);
_memory = Device.MemoryPool.Allocate(type, pool, reqs.TypeRequirements.Size);
BindMemory(_memory.BackingMemory, _memory.Offset);
}
/// <summary>
/// Creates a new device and queues
/// </summary>
/// <param name="physDevice">Physical device</param>
/// <param name="requiredLayers"></param>
/// <param name="preferredExtensions"></param>
/// <param name="requiredExtensions"></param>
/// <param name="preferredLayers"></param>
/// <param name="queueOptions">Queue options</param>
/// <param name="desiredFeatures">Desired physical device features</param>
public Device(PhysicalDevice physDevice, ICollection <VkExtension> preferredExtensions,
ICollection <VkExtension> requiredExtensions,
ICollection <string> preferredLayers, ICollection <string> requiredLayers,
QueueCreateInfo[] queueOptions,
VkPhysicalDeviceFeatures desiredFeatures)
{
PhysicalDevice = physDevice;
foreach (var ext in preferredExtensions.Union(requiredExtensions).Select(VkExtensionDatabase.Extension))
{
Debug.Assert(ext.Type == ExtensionType.Device || ext.Type == ExtensionType.Unknown,
$"Ext {ext.Extension} type {ext.Type} doesn't conform");
}
var supportedLayers =
physDevice.Handle.EnumerateLayerProperties().Select(x => x.LayerNameString).ToHashSet();
Log.Info($"Supported device layers: {string.Join(", ", supportedLayers)}");
foreach (var requiredLayer in requiredLayers)
{
if (!supportedLayers.Contains(requiredLayer))
{
throw new NotSupportedException($"Layer {requiredLayer} isn't supported");
}
}
var layersToUse = requiredLayers.Union(preferredLayers.Where(supportedLayers.Contains)).ToList();
var supportedExtensions = physDevice.Handle.EnumerateExtensionProperties(null).Union(
layersToUse.SelectMany(physDevice.Handle.EnumerateExtensionProperties))
.Select(x => x.ExtensionNameString).ToHashSet();
Log.Info($"Supported device extensions: {string.Join(", ", supportedExtensions)}");
foreach (var requiredExtension in requiredExtensions)
{
if (!supportedExtensions.Contains(VkExtensionDatabase.Extension(requiredExtension).Extension))
{
throw new NotSupportedException($"Extension {requiredExtension} isn't supported");
}
}
var extensionsToUse = requiredExtensions.Select(VkExtensionDatabase.Extension).Select(x => x.Extension)
.Union(
preferredExtensions.Select(VkExtensionDatabase.Extension).Select(x => x.Extension)
.Where(supportedExtensions.Contains)).ToList();
_enabledExtensions =
extensionsToUse.Select(VkExtensionDatabase.Extension).Where(y => y != null).Select(x => x.ExtensionId)
.ToHashSet();
_enableExtensionsByName = extensionsToUse.ToHashSet();
Log.Info($"Using device layers: {string.Join(", ", layersToUse)}");
Log.Info($"Using device extensions: {string.Join(", ", extensionsToUse)}");
var pins = new List <GCHandle>();
var queueOptionsRedirect = new int[queueOptions.Length];
try
{
VkDeviceQueueCreateInfo[] queueCreateInfo;
{
var queueOptionsRewrite = new Dictionary <uint, List <float> >();
for (var queueId = 0; queueId < queueOptions.Length; queueId++)
{
var opti = queueOptions[queueId];
if (opti.Priorities.Count == 0)
{
continue;
}
if (!queueOptionsRewrite.TryGetValue(opti.Family, out var list))
{
list = queueOptionsRewrite[opti.Family] = new List <float>();
}
queueOptionsRedirect[queueId] = list.Count;
list.AddRange(opti.Priorities);
}
queueCreateInfo = new VkDeviceQueueCreateInfo[queueOptionsRewrite.Count];
var family = 0;
foreach (var kv in queueOptionsRewrite)
{
unsafe
{
var block = kv.Value.ToArray();
pins.Add(GCHandle.Alloc(block, GCHandleType.Pinned));
queueCreateInfo[family++] = new VkDeviceQueueCreateInfo()
{
SType = VkStructureType.DeviceQueueCreateInfo,
Flags = 0,
PNext = IntPtr.Zero,
QueueFamilyIndex = kv.Key,
QueueCount = (uint)block.Length,
PQueuePriorities = (float *)Marshal.UnsafeAddrOfPinnedArrayElement(block, 0).ToPointer()
};
}
}
}
unsafe
{
var layersToUseAnsi = new IntPtr[layersToUse.Count];
for (var i = 0; i < layersToUse.Count; i++)
{
layersToUseAnsi[i] = Marshal.StringToHGlobalAnsi(layersToUse[i]);
}
var extensionsToUseAnsi = new IntPtr[extensionsToUse.Count];
for (var i = 0; i < extensionsToUse.Count; i++)
{
extensionsToUseAnsi[i] = Marshal.StringToHGlobalAnsi(extensionsToUse[i]);
}
try
{
fixed(VkDeviceQueueCreateInfo *queueOptionsPtr = queueCreateInfo)
{
Features = desiredFeatures;
var deviceCreateInfo = new VkDeviceCreateInfo()
{
SType = VkStructureType.DeviceCreateInfo,
QueueCreateInfoCount = (uint)queueOptions.Length,
PQueueCreateInfos = queueOptionsPtr,
PEnabledFeatures = &desiredFeatures,
EnabledExtensionCount = (uint)extensionsToUse.Count,
PpEnabledExtensionNames = extensionsToUse.Count > 0
? (byte **)Marshal.UnsafeAddrOfPinnedArrayElement(extensionsToUseAnsi, 0)
.ToPointer()
: (byte **)0,
EnabledLayerCount = (uint)layersToUse.Count,
PpEnabledLayerNames = layersToUse.Count > 0
? (byte **)Marshal.UnsafeAddrOfPinnedArrayElement(layersToUseAnsi, 0).ToPointer()
: (byte **)0,
};
Handle = PhysicalDevice.Handle.CreateDevice(&deviceCreateInfo,
Instance.AllocationCallbacks);
}
}
finally
{
foreach (var ptr in layersToUseAnsi)
{
Marshal.FreeHGlobal(ptr);
}
foreach (var ptr in extensionsToUseAnsi)
{
Marshal.FreeHGlobal(ptr);
}
}
}
}
finally
{
foreach (var pin in pins)
{
pin.Free();
}
pins.Clear();
}
_queues = new Queue[queueOptions.Length][];
var queuesAll = new List <Queue>();
for (var i = 0; i < queueOptions.Length; i++)
{
_queues[i] = new Queue[queueOptions[i].Priorities.Count];
for (var j = 0; j < _queues[i].Length; j++)
{
queuesAll.Add(_queues[i][j] =
new Queue(this, queueOptions[i].Family, (uint)(queueOptionsRedirect[i] + j)));
}
}
Queues = queuesAll;
MemoryPool = new DeviceMemoryPools(this);
BufferPools = new BufferPools(this);
}
