private void CreateLogicalDevice()
{
var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface);
float priority = 1f;
var queueCreateInfos = stackalloc VkDeviceQueueCreateInfo[]
{
new VkDeviceQueueCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
queueFamilyIndex = (uint)indices.GraphicsFamily,
queueCount = 1,
pQueuePriorities = &priority,
}
};
int extensionsCount = 1;
IntPtr *extensionsToEnableArray = stackalloc IntPtr[extensionsCount];
for (int i = 0; i < extensionsCount; i++)
{
string extension = "VK_KHR_swapchain";
extensionsToEnableArray[i] = Marshal.StringToHGlobalAnsi(extension);
}
VkPhysicalDeviceFeatures deviceFeatures = new VkPhysicalDeviceFeatures();
var createInfo = new VkDeviceCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
ppEnabledExtensionNames = (byte **)extensionsToEnableArray,
enabledExtensionCount = (uint)extensionsCount,
pQueueCreateInfos = queueCreateInfos,
queueCreateInfoCount = 1,
pEnabledFeatures = &deviceFeatures,
};
VkDevice newDevice;
var result = VulkanNative.vkCreateDevice(this.vkPhysicalDevice, &createInfo, null, &newDevice);
this.vkDevice = newDevice;
Helpers.CheckErrors(result);
for (int i = 0; i < extensionsCount; i++)
{
Marshal.FreeHGlobal(extensionsToEnableArray[i]);
}
VkQueue newGraphicsQueue;
VulkanNative.vkGetDeviceQueue(vkDevice, (uint)indices.GraphicsFamily, 0, &newGraphicsQueue);
this.vkGraphicsQueue = newGraphicsQueue;
VkQueue newPresentQueue;
VulkanNative.vkGetDeviceQueue(vkDevice, (uint)indices.PresentFamily, 0, &newPresentQueue);
this.vkPresentQueue = newPresentQueue;
}
private void createLogicalDevice()
{
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
List <VkDeviceQueueCreateInfo> queueCreateInfos = new List <VkDeviceQueueCreateInfo>();
HashSet <int> uniqueQueueFamilies = new HashSet <int>()
{
indices.graphicsFamily, indices.presentFamily
};
float[] queuePriorities = new float[] { 1.0f };
foreach (var queueFamily in uniqueQueueFamilies)
{
VkDeviceQueueCreateInfo queueCreateInfo = new VkDeviceQueueCreateInfo();
queueCreateInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = queueFamily;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = queuePriorities;
queueCreateInfos.Add(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = new VkPhysicalDeviceFeatures();
VkDeviceCreateInfo createInfo = new VkDeviceCreateInfo();
createInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.queueCreateInfoCount = queueCreateInfos.Count;
createInfo.pQueueCreateInfos = queueCreateInfos.ToArray();
createInfo.pEnabledFeatures = new VkPhysicalDeviceFeatures[] { deviceFeatures };
createInfo.enabledExtensionCount = deviceExtensions.Length;
createInfo.ppEnabledExtensionNames = deviceExtensions;
if (enableValidationLayers)
{
createInfo.enabledLayerCount = validationLayers.Length;
createInfo.ppEnabledLayerNames = validationLayers;
}
else
{
createInfo.enabledLayerCount = 0;
}
VkResult result = Vulkan.vkCreateDevice(physicalDevice, createInfo, null, out device);
if (result != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to create logical device!", result);
}
Vulkan.vkGetDeviceQueue(device, indices.graphicsFamily, 0, out graphicsQueue);
Vulkan.vkGetDeviceQueue(device, indices.presentFamily, 0, out presentQueue);
}
private static VkDevice CreateDevice(VkInstance instance, out VkPhysicalDevice physicalDevice,
VkSurfaceKHR surface, out uint queueFamilyIndex)
{
queueFamilyIndex = 0;//SHORTCUT computed from queue properties
physicalDevice = PickPhysicalDevice(instance, surface, out queueFamilyIndex);
List <GCHandle> handles = new List <GCHandle>();
List <string> requiredExtensions = new List <string>();
requiredExtensions.Add("VK_KHR_swapchain");
string[] extensionNames = requiredExtensions.ToArray();
byte[][] pExtensionNames = new byte[extensionNames.Length][];
byte *[] ppExtensionNamesArray = new byte *[extensionNames.Length];
for (int i = 0; i < pExtensionNames.Length; i++)
{
pExtensionNames[i] = Encoding.UTF8.GetBytes(extensionNames[i] + char.MinValue);
GCHandle handle = GCHandle.Alloc(pExtensionNames[i]);
handles.Add(handle);
fixed(byte *p = &(((byte[])handle.Target)[0]))
{
ppExtensionNamesArray[i] = p;
}
}
VkDevice device;
fixed(byte **extensions = &ppExtensionNamesArray[0])
{
float[] pQueuePriorities = new float[] { 1.0f };
VkDeviceQueueCreateInfo deviceQueueCreateInfo = VkDeviceQueueCreateInfo.New();
deviceQueueCreateInfo.queueFamilyIndex = queueFamilyIndex;
deviceQueueCreateInfo.queueCount = 1;
fixed(float *ptr = &(pQueuePriorities[0]))
deviceQueueCreateInfo.pQueuePriorities = ptr;
VkDeviceCreateInfo createInfo = VkDeviceCreateInfo.New();
createInfo.queueCreateInfoCount = 1;
createInfo.pQueueCreateInfos = &deviceQueueCreateInfo;
createInfo.ppEnabledExtensionNames = extensions;
createInfo.enabledExtensionCount = (uint)extensionNames.Length;
device = VkDevice.Null;
Assert(vkCreateDevice(physicalDevice, &createInfo, null, &device));
foreach (var handle in handles)
{
handle.Free();
}
}
return(device);
}
private void CreateLogicalDevice()
{
GetQueueFamilyIndices();
HashSet <uint> familyIndices = new HashSet <uint> {
_graphicsQueueIndex, _presentQueueIndex
};
RawList <VkDeviceQueueCreateInfo> queueCreateInfos = new RawList <VkDeviceQueueCreateInfo>();
foreach (uint index in familyIndices)
{
VkDeviceQueueCreateInfo queueCreateInfo = VkDeviceQueueCreateInfo.New();
queueCreateInfo.queueFamilyIndex = _graphicsQueueIndex;
queueCreateInfo.queueCount = 1;
float priority = 1f;
queueCreateInfo.pQueuePriorities = &priority;
queueCreateInfos.Add(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = new VkPhysicalDeviceFeatures();
deviceFeatures.samplerAnisotropy = true;
deviceFeatures.fillModeNonSolid = true;
deviceFeatures.geometryShader = true;
deviceFeatures.depthClamp = true;
VkDeviceCreateInfo deviceCreateInfo = VkDeviceCreateInfo.New();
fixed(VkDeviceQueueCreateInfo *qciPtr = &queueCreateInfos.Items[0])
{
deviceCreateInfo.pQueueCreateInfos = qciPtr;
deviceCreateInfo.queueCreateInfoCount = queueCreateInfos.Count;
deviceCreateInfo.pEnabledFeatures = &deviceFeatures;
StackList <IntPtr> layerNames = new StackList <IntPtr>();
layerNames.Add(CommonStrings.StandardValidationLayerName);
deviceCreateInfo.enabledLayerCount = layerNames.Count;
deviceCreateInfo.ppEnabledLayerNames = (byte **)layerNames.Data;
byte *extensionNames = CommonStrings.VK_KHR_SWAPCHAIN_EXTENSION_NAME;
deviceCreateInfo.enabledExtensionCount = 1;
deviceCreateInfo.ppEnabledExtensionNames = &extensionNames;
vkCreateDevice(_physicalDevice, ref deviceCreateInfo, null, out _device);
}
vkGetDeviceQueue(_device, _graphicsQueueIndex, 0, out _graphicsQueue);
vkGetDeviceQueue(_device, _presentQueueIndex, 0, out _presentQueue);
}
void CreateDevice(DeviceCreateInfo mInfo)
{
var extensionsMarshalled = new NativeStringArray(mInfo.extensions);
MarshalledArray <VkDeviceQueueCreateInfo> queueInfos = null;
DisposableList <NativeArray <float> > prioritiesMarshalled = null;
Marshalled <VkPhysicalDeviceFeatures> features = new Marshalled <VkPhysicalDeviceFeatures>(mInfo.features);
var info = new VkDeviceCreateInfo();
info.sType = VkStructureType.DeviceCreateInfo;
info.enabledExtensionCount = (uint)extensionsMarshalled.Count;
info.ppEnabledExtensionNames = extensionsMarshalled.Address;
info.pEnabledFeatures = features.Address;
if (mInfo.queueCreateInfos != null)
{
int length = mInfo.queueCreateInfos.Count;
info.queueCreateInfoCount = (uint)length;
queueInfos = new MarshalledArray <VkDeviceQueueCreateInfo>(length);
prioritiesMarshalled = new DisposableList <NativeArray <float> >(length);
for (int i = 0; i < length; i++)
{
var mi = mInfo.queueCreateInfos[i];
var qInfo = new VkDeviceQueueCreateInfo();
qInfo.sType = VkStructureType.DeviceQueueCreateInfo;
var priorityMarshalled = new NativeArray <float>(mi.priorities);
prioritiesMarshalled.Add(priorityMarshalled);
qInfo.pQueuePriorities = priorityMarshalled.Address;
qInfo.queueCount = mi.queueCount;
qInfo.queueFamilyIndex = mi.queueFamilyIndex;
queueInfos[i] = qInfo;
}
info.pQueueCreateInfos = queueInfos.Address;
}
using (extensionsMarshalled)
using (queueInfos)
using (features)
using (prioritiesMarshalled) {
var result = Instance.Commands.createDevice(PhysicalDevice.Native, ref info, Instance.AllocationCallbacks, out device);
if (result != VkResult.Success)
{
throw new DeviceException(string.Format("Error creating device: {0}", result));
}
}
}
void CreateDevice()
{
var features = new Native <VkPhysicalDeviceFeatures>();
VK.GetPhysicalDeviceFeatures(physicalDevice, features.Address);
HashSet <uint> uniqueIndices = new HashSet <uint> {
graphicsIndex, presentIndex
};
var queueInfos = new NativeArray <VkDeviceQueueCreateInfo>(uniqueIndices.Count);
var priorities = new Native <float>(1);
int i = 0;
foreach (var ind in uniqueIndices)
{
var queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = CSGL.Vulkan.VkStructureType.DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = ind;
queueInfo.queueCount = 1;
queueInfo.pQueuePriorities = priorities.Address;
queueInfos[i] = queueInfo;
i++;
}
var info = new VkDeviceCreateInfo();
info.sType = CSGL.Vulkan.VkStructureType.DeviceCreateInfo;
info.pQueueCreateInfos = queueInfos.Address;
info.queueCreateInfoCount = (uint)uniqueIndices.Count;
info.pEnabledFeatures = features.Address;
var extensionsNative = new NativeStringArray(deviceExtensions);
info.ppEnabledExtensionNames = extensionsNative.Address;
info.enabledExtensionCount = (uint)deviceExtensions.Length;
var result = VK.CreateDevice(physicalDevice, ref info, alloc, out device);
VK.GetDeviceQueue(device, graphicsIndex, 0, out graphicsQueue);
VK.GetDeviceQueue(device, presentIndex, 0, out presentQueue);
features.Dispose();
priorities.Dispose();
queueInfos.Dispose();
extensionsNative.Dispose();
}
private VkDevice CreateDevice(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface)
{
//VkQueueFamilyProperties[] properties = physicalDevice.GetQueueFamilyProperties();
VkQueueFamilyProperties[] properties = vkAPI.QueueFamilyProperties(physicalDevice);
uint index;
for (index = 0; index < properties.Length; ++index)
{
VkBool32 supported;
//physicalDevice.GetSurfaceSupportKHR(index, surface, out supported);
vkAPI.vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, index, surface, &supported).Check();
if (!supported)
{
continue;
}
if (properties[index].queueFlags.HasFlag(VkQueueFlagBits.Graphics))
{
break;
}
}
var queueInfo = new VkDeviceQueueCreateInfo {
sType = VkStructureType.DeviceQueueCreateInfo
};
queueInfo.queuePriorities = 1.0f;
queueInfo.queueFamilyIndex = index;
var info = new VkDeviceCreateInfo {
sType = VkStructureType.DeviceCreateInfo
};
info.EnabledExtensions = vkAPI.VK_KHR_swapchain;
info.queueCreateInfos = queueInfo;
VkDevice vkDevice;
//physicalDevice.CreateDevice(ref deviceInfo, null, out device);
vkAPI.vkCreateDevice(physicalDevice, &info, null, &vkDevice).Check();
info.Free();
queueInfo.Free();
return(vkDevice);
}
public DummyDevice(DummyPhysicalDevice physicalDevice, VkDeviceCreateInfo createInfo)
: base(physicalDevice.m_Instance)
{
this.m_PhysicalDevice = physicalDevice;
this.m_createInfo = createInfo;
foreach (var item in createInfo.pQueueCreateInfos)
{
List <VkQueue> list = new List <VkQueue>();
for (int i = 0; i < item.queueCount; i++)
{
list.Add(new DummyQueue(this, item.queueFamilyIndex));
}
m_Queue.Add(item.queueFamilyIndex, list);
}
}
private void CreateLogicalDevice()
{
var queueFamilies = FindQueueFamilies(physicalDevice, surface).Value;
var queueCreateInfos = queueFamilies.GraphicsFamily == queueFamilies.PresentFamily
? new[]
{ new VkDeviceQueueCreateInfo
{
QueueFamilyIndex = queueFamilies.GraphicsFamily,
QueuePriorities = new [] { 1f }
} }
: new []
{
new VkDeviceQueueCreateInfo
{
QueueFamilyIndex = queueFamilies.GraphicsFamily,
QueuePriorities = new[] { 1f }
},
new VkDeviceQueueCreateInfo
{
QueueFamilyIndex = queueFamilies.PresentFamily,
QueuePriorities = new[] { 1f }
}
};
var deviceFeatures = new VkPhysicalDeviceFeatures
{
};
var createInfo = new VkDeviceCreateInfo
{
QueueCreateInfos = queueCreateInfos,
EnabledFeatures = deviceFeatures,
EnabledExtensionNames = DeviceExtensions,
EnabledLayerNames = LayerNames
};
device = physicalDevice.CreateDevice(createInfo, null).Object;
graphicsQueue = device.GetDeviceQueue(queueFamilies.GraphicsFamily, 0);
presentQueue = device.GetDeviceQueue(queueFamilies.PresentFamily, 0);
}
void CreateDevice()
{
var features = physicalDevice.Features;
var uniqueIndices = new HashSet <int> {
graphicsIndex, presentIndex
};
var priorities = new List <float> {
1f
};
var queueInfos = new List <VkDeviceQueueCreateInfo>(uniqueIndices.Count);
int i = 0;
foreach (var ind in uniqueIndices)
{
var queueInfo = new VkDeviceQueueCreateInfo {
queueFamilyIndex = ind,
queueCount = 1,
priorities = priorities
};
queueInfos.Add(queueInfo);
i++;
}
var info = new VkDeviceCreateInfo {
extensions = deviceExtensions,
queueCreateInfos = queueInfos,
features = features
};
device = new VkDevice(physicalDevice, info);
graphicsQueue = device.GetQueue(graphicsIndex, 0);
presentQueue = device.GetQueue(presentIndex, 0);
}
public abstract VkResult CreateDevice(VkDeviceCreateInfo createInfo, out VkDevice device);
internal static VkResult Create(SoftwarePhysicalDevice softwarePhysicalDevice, VkDeviceCreateInfo createInfo, out VkDevice device)
{
device = new SoftwareDevice(softwarePhysicalDevice, createInfo);
return(VkResult.VK_SUCCESS);
}
public static extern VkResult CreateDevice(
VkPhysicalDevice physicalDevice,
ref VkDeviceCreateInfo pCreateInfo,
IntPtr pAllocator,
out VkDevice pDevice
);
private void CreateLogicalDevice()
{
QueueFamilyIndices indices = this.FindQueueFamilies(physicalDevice);
List <VkDeviceQueueCreateInfo> queueCreateInfos = new List <VkDeviceQueueCreateInfo>();
HashSet <uint> uniqueQueueFamilies = new HashSet <uint>()
{
indices.graphicsFamily.Value, indices.presentFamily.Value
};
float queuePriority = 1.0f;
foreach (uint queueFamily in uniqueQueueFamilies)
{
VkDeviceQueueCreateInfo queueCreateInfo = new VkDeviceQueueCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
queueFamilyIndex = queueFamily,
queueCount = 1,
pQueuePriorities = &queuePriority,
};
queueCreateInfos.Add(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = default;
// Raytracing extensions
VkPhysicalDeviceRayTracingFeaturesKHR deviceRayTracingFeatures = new VkPhysicalDeviceRayTracingFeaturesKHR()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_FEATURES_KHR,
pNext = null,
rayTracing = true,
};
VkPhysicalDeviceVulkan12Features deviceVulkan12Features = new VkPhysicalDeviceVulkan12Features()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES,
pNext = &deviceRayTracingFeatures,
bufferDeviceAddress = true,
};
int deviceExtensionsCount = deviceExtensions.Length;
IntPtr *deviceExtensionsArray = stackalloc IntPtr[deviceExtensionsCount];
for (int i = 0; i < deviceExtensionsCount; i++)
{
string extension = deviceExtensions[i];
deviceExtensionsArray[i] = Marshal.StringToHGlobalAnsi(extension);
}
VkDeviceCreateInfo createInfo = new VkDeviceCreateInfo();
createInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.pNext = &deviceVulkan12Features;
VkDeviceQueueCreateInfo[] queueCreateInfosArray = queueCreateInfos.ToArray();
fixed(VkDeviceQueueCreateInfo *queueCreateInfosArrayPtr = &queueCreateInfosArray[0])
{
createInfo.queueCreateInfoCount = (uint)queueCreateInfos.Count;
createInfo.pQueueCreateInfos = queueCreateInfosArrayPtr;
}
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.enabledExtensionCount = (uint)deviceExtensions.Length;
createInfo.ppEnabledExtensionNames = (byte **)deviceExtensionsArray;
fixed(VkDevice *devicePtr = &device)
{
Helpers.CheckErrors(VulkanNative.vkCreateDevice(physicalDevice, &createInfo, null, devicePtr));
}
fixed(VkQueue *graphicsQueuePtr = &graphicsQueue)
{
VulkanNative.vkGetDeviceQueue(device, indices.graphicsFamily.Value, 0, graphicsQueuePtr);
}
fixed(VkQueue *presentQueuePtr = &presentQueue)
{
VulkanNative.vkGetDeviceQueue(device, indices.presentFamily.Value, 0, presentQueuePtr); // TODO queue index 0 ?¿?¿
}
}
/// <summary>
/// Initializes the specified device.
/// </summary>
/// <param name="graphicsProfiles">The graphics profiles.</param>
/// <param name="deviceCreationFlags">The device creation flags.</param>
/// <param name="windowHandle">The window handle.</param>
private unsafe void InitializePlatformDevice(GraphicsProfile[] graphicsProfiles, DeviceCreationFlags deviceCreationFlags, object windowHandle)
{
if (nativeDevice != VkDevice.Null)
{
// Destroy previous device
ReleaseDevice();
}
rendererName = Adapter.Description;
vkGetPhysicalDeviceProperties(NativePhysicalDevice, out var physicalDeviceProperties);
ConstantBufferDataPlacementAlignment = (int)physicalDeviceProperties.limits.minUniformBufferOffsetAlignment;
TimestampFrequency = (long)(1.0e9 / physicalDeviceProperties.limits.timestampPeriod); // Resolution in nanoseconds
RequestedProfile = graphicsProfiles.First();
var queueProperties = vkGetPhysicalDeviceQueueFamilyProperties(NativePhysicalDevice);
//IsProfilingSupported = queueProperties[0].TimestampValidBits > 0;
// Command lists are thread-safe and execute deferred
IsDeferred = true;
// TODO VULKAN
// Create Vulkan device based on profile
float queuePriorities = 0;
var queueCreateInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = 0,
queueCount = 1,
pQueuePriorities = &queuePriorities,
};
var enabledFeature = new VkPhysicalDeviceFeatures
{
fillModeNonSolid = true,
shaderClipDistance = true,
shaderCullDistance = true,
samplerAnisotropy = true,
depthClamp = true,
};
var extensionProperties = vkEnumerateDeviceExtensionProperties(NativePhysicalDevice);
var availableExtensionNames = new List <string>();
var desiredExtensionNames = new List <string>();
for (int index = 0; index < extensionProperties.Length; index++)
{
fixed(VkExtensionProperties *extensionPropertiesPtr = extensionProperties)
{
var namePointer = new IntPtr(extensionPropertiesPtr[index].extensionName);
var name = Marshal.PtrToStringAnsi(namePointer);
availableExtensionNames.Add(name);
}
}
desiredExtensionNames.Add(KHRSwapchainExtensionName);
if (!availableExtensionNames.Contains(KHRSwapchainExtensionName))
{
throw new InvalidOperationException();
}
if (availableExtensionNames.Contains(EXTDebugMarkerExtensionName) && IsDebugMode)
{
desiredExtensionNames.Add(EXTDebugMarkerExtensionName);
IsProfilingSupported = true;
}
var enabledExtensionNames = desiredExtensionNames.Select(Marshal.StringToHGlobalAnsi).ToArray();
try
{
var deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
queueCreateInfoCount = 1,
pQueueCreateInfos = &queueCreateInfo,
enabledExtensionCount = (uint)enabledExtensionNames.Length,
ppEnabledExtensionNames = enabledExtensionNames.Length > 0 ? (byte **)Core.Interop.Fixed(enabledExtensionNames) : null,
pEnabledFeatures = &enabledFeature,
};
vkCreateDevice(NativePhysicalDevice, &deviceCreateInfo, null, out nativeDevice);
}
finally
{
foreach (var enabledExtensionName in enabledExtensionNames)
{
Marshal.FreeHGlobal(enabledExtensionName);
}
}
vkGetDeviceQueue(nativeDevice, 0, 0, out NativeCommandQueue);
NativeCopyCommandPools = new ThreadLocal <VkCommandPool>(() =>
{
//// Prepare copy command list (start it closed, so that every new use start with a Reset)
var commandPoolCreateInfo = new VkCommandPoolCreateInfo
{
sType = VkStructureType.CommandPoolCreateInfo,
queueFamilyIndex = 0, //device.NativeCommandQueue.FamilyIndex
flags = VkCommandPoolCreateFlags.ResetCommandBuffer
};
vkCreateCommandPool(NativeDevice, &commandPoolCreateInfo, null, out var result);
return(result);
}, true);
DescriptorPools = new HeapPool(this);
nativeResourceCollector = new NativeResourceCollector(this);
graphicsResourceLinkCollector = new GraphicsResourceLinkCollector(this);
EmptyTexelBufferInt = Buffer.Typed.New(this, 1, PixelFormat.R32G32B32A32_UInt);
EmptyTexelBufferFloat = Buffer.Typed.New(this, 1, PixelFormat.R32G32B32A32_Float);
EmptyTexture = Texture.New2D(this, 1, 1, PixelFormat.R8G8B8A8_UNorm_SRgb, TextureFlags.ShaderResource);
}
public override VkResult CreateDevice(VkDeviceCreateInfo createInfo, out VkDevice device)
{
return(SoftwareDevice.Create(this, createInfo, out device));
}
public override VkResult CreateDevice(VkDeviceCreateInfo createInfo, out VkDevice device)
{
device = new DummyDevice(this, createInfo);
return(VkResult.VK_SUCCESS);
}
public unsafe Device(VkPhysicalDevice physicalDevice)
{
_physicalDevice = physicalDevice;
//get physical device information
VulkanNative.vkGetPhysicalDeviceProperties(
_physicalDevice,
out _properties
);
VulkanNative.vkGetPhysicalDeviceMemoryProperties(
_physicalDevice,
out _memoryProperties
);
VulkanNative.vkGetPhysicalDeviceFeatures(
_physicalDevice,
out _features
);
//get family queue properties
uint familyQueuePropertiesCount;
VulkanNative.vkGetPhysicalDeviceQueueFamilyProperties(
_physicalDevice,
&familyQueuePropertiesCount,
null
);
var familyQueueProperties = new NativeList <VkQueueFamilyProperties>(
familyQueuePropertiesCount
);
familyQueueProperties.Count = familyQueuePropertiesCount;
VulkanNative.vkGetPhysicalDeviceQueueFamilyProperties(
_physicalDevice,
&familyQueuePropertiesCount,
(VkQueueFamilyProperties *)familyQueueProperties.Data.ToPointer()
);
//setup queue families
_queueFamilies = new List <QueueFamily>();
for (uint i = 0; i < familyQueuePropertiesCount; i++)
{
var familyQueueProperty = familyQueueProperties[i];
_queueFamilies.Add(new QueueFamily(
i,
familyQueueProperty.queueCount,
(QueueFamilyType)familyQueueProperty.queueFlags
));
}
//get queue create infos
var queueCreateInfos = new NativeList <VkDeviceQueueCreateInfo>(
familyQueuePropertiesCount
);
queueCreateInfos.Count = familyQueuePropertiesCount;
for (int i = 0; i < familyQueuePropertiesCount; i++)
{
queueCreateInfos[i] = _queueFamilies[i].QueueCreateInfo;
}
//enable extra device features
var enabledFeatures = new VkPhysicalDeviceFeatures()
{
samplerAnisotropy = true,
dualSrcBlend = true
};
//enable swapchain extension for window support
var enabledExtensions = new NativeList <IntPtr>();
enabledExtensions.Add(GraphicsApiConstants.VK_KHR_SWAPCHAIN_EXTENSION_NAME);
var deviceInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
pEnabledFeatures = &enabledFeatures,
enabledExtensionCount = enabledExtensions.Count,
ppEnabledExtensionNames = (byte **)enabledExtensions.Data,
enabledLayerCount = 0,
ppEnabledLayerNames = null,
queueCreateInfoCount = queueCreateInfos.Count,
pQueueCreateInfos = (VkDeviceQueueCreateInfo *)queueCreateInfos.Data.ToPointer()
};
//setup device
VkDevice device;
if (VulkanNative.vkCreateDevice(
_physicalDevice,
&deviceInfo,
null,
&device
) != VkResult.Success)
{
throw new Exception("failed to initialize device");
}
_handle = device;
//setup device queues
foreach (var queueFamily in _queueFamilies)
{
queueFamily.GetQueuesFromDevice(this);
}
//calculate device score
_score = 0;
if (_properties.deviceType == VkPhysicalDeviceType.DiscreteGpu)
{
_score += 10;
}
else if (_properties.deviceType == VkPhysicalDeviceType.IntegratedGpu)
{
_score += 5;
}
else if (_properties.deviceType == VkPhysicalDeviceType.VirtualGpu)
{
_score += 3;
}
else if (_properties.deviceType == VkPhysicalDeviceType.Cpu)
{
_score += 1;
}
_score += (
//1073741824 = 1024 * 1024 * 1024
_properties.limits.maxMemoryAllocationCount / 1073741824.0f
);
}
private void CreateLogicalDevice()
{
GetQueueFamilyIndices();
HashSet <uint> familyIndices = new HashSet <uint> {
_graphicsQueueIndex, _presentQueueIndex
};
RawList <VkDeviceQueueCreateInfo> queueCreateInfos = new RawList <VkDeviceQueueCreateInfo>();
foreach (uint index in familyIndices)
{
VkDeviceQueueCreateInfo queueCreateInfo = VkDeviceQueueCreateInfo.New();
queueCreateInfo.queueFamilyIndex = _graphicsQueueIndex;
queueCreateInfo.queueCount = 1;
float priority = 1f;
queueCreateInfo.pQueuePriorities = &priority;
queueCreateInfos.Add(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = new VkPhysicalDeviceFeatures();
deviceFeatures.samplerAnisotropy = true;
deviceFeatures.fillModeNonSolid = true;
deviceFeatures.geometryShader = true;
deviceFeatures.depthClamp = true;
bool debugMarkerSupported = false;
uint propertyCount = 0;
VkResult result = vkEnumerateDeviceExtensionProperties(_physicalDevice, (byte *)null, &propertyCount, null);
CheckResult(result);
VkExtensionProperties *properties = stackalloc VkExtensionProperties[(int)propertyCount];
result = vkEnumerateDeviceExtensionProperties(_physicalDevice, (byte *)null, &propertyCount, properties);
CheckResult(result);
for (int i = 0; i < propertyCount; i++)
{
if (Util.GetString(properties[i].extensionName) == "VK_EXT_debug_marker")
{
Console.WriteLine("VK_EXT_debug_marker is available.");
debugMarkerSupported = true;
break;
}
}
VkDeviceCreateInfo deviceCreateInfo = VkDeviceCreateInfo.New();
fixed(VkDeviceQueueCreateInfo *qciPtr = &queueCreateInfos.Items[0])
{
deviceCreateInfo.pQueueCreateInfos = qciPtr;
deviceCreateInfo.queueCreateInfoCount = queueCreateInfos.Count;
deviceCreateInfo.pEnabledFeatures = &deviceFeatures;
StackList <IntPtr> layerNames = new StackList <IntPtr>();
layerNames.Add(CommonStrings.StandardValidationLayerName);
deviceCreateInfo.enabledLayerCount = layerNames.Count;
deviceCreateInfo.ppEnabledLayerNames = (byte **)layerNames.Data;
StackList <IntPtr> extensionNames = new StackList <IntPtr>();
extensionNames.Add(CommonStrings.VK_KHR_SWAPCHAIN_EXTENSION_NAME);
if (debugMarkerSupported)
{
extensionNames.Add(CommonStrings.VK_EXT_DEBUG_MARKER_EXTENSION_NAME);
_debugMarkerEnabled = true;
}
deviceCreateInfo.enabledExtensionCount = extensionNames.Count;
deviceCreateInfo.ppEnabledExtensionNames = (byte **)extensionNames.Data;
result = vkCreateDevice(_physicalDevice, ref deviceCreateInfo, null, out _device);
CheckResult(result);
}
vkGetDeviceQueue(_device, _graphicsQueueIndex, 0, out _graphicsQueue);
vkGetDeviceQueue(_device, _presentQueueIndex, 0, out _presentQueue);
if (debugMarkerSupported)
{
IntPtr setObjectNamePtr;
using (FixedUtf8String debugExtFnName = "vkDebugMarkerSetObjectNameEXT")
{
setObjectNamePtr = vkGetInstanceProcAddr(_instance, debugExtFnName);
}
_setObjectNameDelegate = Marshal.GetDelegateForFunctionPointer <vkDebugMarkerSetObjectNameEXT_d>(setObjectNamePtr);
}
}
/// <summary>
/// Initializes the specified device.
/// </summary>
/// <param name="graphicsProfiles">The graphics profiles.</param>
/// <param name="deviceCreationFlags">The device creation flags.</param>
/// <param name="windowHandle">The window handle.</param>
private unsafe void InitializePlatformDevice(GraphicsProfile[] graphicsProfiles, DeviceCreationFlags deviceCreationFlags, object windowHandle)
{
if (nativeDevice != VkDevice.Null)
{
// Destroy previous device
ReleaseDevice();
}
rendererName = Adapter.Description;
vkGetPhysicalDeviceProperties(NativePhysicalDevice, out var physicalDeviceProperties);
ConstantBufferDataPlacementAlignment = (int)physicalDeviceProperties.limits.minUniformBufferOffsetAlignment;
TimestampFrequency = (long)(1.0e9 / physicalDeviceProperties.limits.timestampPeriod); // Resolution in nanoseconds
RequestedProfile = graphicsProfiles.Last();
var queueProperties = vkGetPhysicalDeviceQueueFamilyProperties(NativePhysicalDevice);
//IsProfilingSupported = queueProperties[0].TimestampValidBits > 0;
// Command lists are thread-safe and execute deferred
IsDeferred = true;
// TODO VULKAN
// Create Vulkan device based on profile
float queuePriorities = 0;
var queueCreateInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = 0,
queueCount = 1,
pQueuePriorities = &queuePriorities,
};
vkGetPhysicalDeviceFeatures(NativePhysicalDevice, out VkPhysicalDeviceFeatures features);
var enabledFeature = new VkPhysicalDeviceFeatures
{
fillModeNonSolid = features.fillModeNonSolid,
shaderClipDistance = features.shaderClipDistance,
shaderCullDistance = features.shaderCullDistance,
samplerAnisotropy = features.samplerAnisotropy,
depthClamp = features.depthClamp,
};
var extensionProperties = vkEnumerateDeviceExtensionProperties(NativePhysicalDevice);
var availableExtensionNames = new List <string>();
var desiredExtensionNames = new List <string>();
for (int index = 0; index < extensionProperties.Length; index++)
{
fixed(VkExtensionProperties *extensionPropertiesPtr = extensionProperties)
{
var namePointer = new IntPtr(extensionPropertiesPtr[index].extensionName);
var name = Marshal.PtrToStringAnsi(namePointer);
availableExtensionNames.Add(name);
}
}
desiredExtensionNames.Add("VK_KHR_swapchain");
desiredExtensionNames.Add("VK_KHR_external_memory");
desiredExtensionNames.Add("VK_KHR_external_semaphore");
desiredExtensionNames.Add("VK_KHR_dedicated_allocation");
desiredExtensionNames.Add("VK_KHR_get_memory_requirements2");
desiredExtensionNames.Add("VK_KHR_external_memory_win32");
desiredExtensionNames.Add("VK_KHR_win32_keyed_mutex");
if (!availableExtensionNames.Contains("VK_KHR_swapchain"))
{
throw new InvalidOperationException();
}
if (availableExtensionNames.Contains("VK_EXT_debug_marker") && IsDebugMode)
{
desiredExtensionNames.Add("VK_EXT_debug_marker");
IsProfilingSupported = true;
}
// take out any extensions not supported
for (int i = 0; i < desiredExtensionNames.Count; i++)
{
if (availableExtensionNames.Contains(desiredExtensionNames[i]) == false)
{
desiredExtensionNames.RemoveAt(i);
i--;
}
}
var enabledExtensionNames = desiredExtensionNames.Select(Marshal.StringToHGlobalAnsi).ToArray();
try
{
var deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
queueCreateInfoCount = 1,
pQueueCreateInfos = &queueCreateInfo,
enabledExtensionCount = (uint)enabledExtensionNames.Length,
ppEnabledExtensionNames = enabledExtensionNames.Length > 0 ? (byte **)Core.Interop.Fixed(enabledExtensionNames) : null,
pEnabledFeatures = &enabledFeature,
};
vkCreateDevice(NativePhysicalDevice, &deviceCreateInfo, null, out nativeDevice);
}
finally
{
foreach (var enabledExtensionName in enabledExtensionNames)
{
Marshal.FreeHGlobal(enabledExtensionName);
}
}
vkGetDeviceQueue(nativeDevice, 0, 0, out NativeCommandQueue);
//// Prepare copy command list (start it closed, so that every new use start with a Reset)
var commandPoolCreateInfo = new VkCommandPoolCreateInfo
{
sType = VkStructureType.CommandPoolCreateInfo,
queueFamilyIndex = 0, //device.NativeCommandQueue.FamilyIndex
flags = VkCommandPoolCreateFlags.ResetCommandBuffer
};
vkCreateCommandPool(NativeDevice, &commandPoolCreateInfo, null, out NativeCopyCommandPool);
var commandBufferAllocationInfo = new VkCommandBufferAllocateInfo
{
sType = VkStructureType.CommandBufferAllocateInfo,
level = VkCommandBufferLevel.Primary,
commandPool = NativeCopyCommandPool,
commandBufferCount = 1
};
VkCommandBuffer nativeCommandBuffer;
vkAllocateCommandBuffers(NativeDevice, &commandBufferAllocationInfo, &nativeCommandBuffer);
NativeCopyCommandBuffer = nativeCommandBuffer;
DescriptorPools = new HeapPool(this);
nativeResourceCollector = new NativeResourceCollector(this);
graphicsResourceLinkCollector = new GraphicsResourceLinkCollector(this);
EmptyTexelBuffer = Buffer.Typed.New(this, 1, PixelFormat.R32G32B32A32_Float);
EmptyTexture = Texture.New2D(this, 1, 1, PixelFormat.R8G8B8A8_UNorm_SRgb, TextureFlags.ShaderResource);
// prepare upload buffer now
// Allocate buffer that will be recycled
nativeUploadBufferSize = Buffer.UploadBufferSizeInMB * 1024 * 1024;
var bufferCreateInfo = new VkBufferCreateInfo
{
sType = VkStructureType.BufferCreateInfo,
size = (ulong)nativeUploadBufferSize,
flags = VkBufferCreateFlags.None,
usage = VkBufferUsageFlags.TransferSrc,
};
vkCreateBuffer(NativeDevice, &bufferCreateInfo, null, out nativeUploadBuffer);
AllocateMemory(VkMemoryPropertyFlags.HostVisible | VkMemoryPropertyFlags.HostCoherent);
fixed(IntPtr *nativeUploadBufferStartPtr = &nativeUploadBufferStart)
vkMapMemory(NativeDevice, nativeUploadBufferMemory, 0, (ulong)nativeUploadBufferSize, VkMemoryMapFlags.None, (void **)nativeUploadBufferStartPtr);
nativeUploadBufferOffset = 0;
}
/// <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);
}
public void Activate(VkPhysicalDeviceFeatures enabledFeatures, params string[] extensions)
{
List <VkDeviceQueueCreateInfo> qInfos = new List <VkDeviceQueueCreateInfo> ();
List <List <float> > prioritiesLists = new List <List <float> > ();//store pinned lists for later unpin
foreach (IGrouping <uint, Queue> qfams in queues.GroupBy(q => q.qFamIndex))
{
int qTot = qfams.Count();
uint qIndex = 0;
List <float> priorities = new List <float> ();
bool qCountReached = false; //true when queue count of that family is reached
foreach (Queue q in qfams)
{
if (!qCountReached)
{
priorities.Add(q.priority);
}
q.index = qIndex++;
if (qIndex == phy.QueueFamilies[qfams.Key].queueCount)
{
qIndex = 0;
qCountReached = true;
}
}
qInfos.Add(new VkDeviceQueueCreateInfo {
sType = VkStructureType.DeviceQueueCreateInfo,
queueCount = qCountReached ? phy.QueueFamilies[qfams.Key].queueCount : qIndex,
queueFamilyIndex = qfams.Key,
pQueuePriorities = priorities.Pin()
});
prioritiesLists.Add(priorities); //add for unpined
}
//enable only supported exceptions
List <IntPtr> deviceExtensions = new List <IntPtr> ();
for (int i = 0; i < extensions.Length; i++)
{
if (phy.GetDeviceExtensionSupported(extensions[i]))
{
deviceExtensions.Add(new FixedUtf8String(extensions[i]));
}
}
VkDeviceCreateInfo deviceCreateInfo = VkDeviceCreateInfo.New();
deviceCreateInfo.queueCreateInfoCount = (uint)qInfos.Count;
deviceCreateInfo.pQueueCreateInfos = qInfos.Pin();
deviceCreateInfo.pEnabledFeatures = enabledFeatures.Pin();
if (deviceExtensions.Count > 0)
{
deviceCreateInfo.enabledExtensionCount = (uint)deviceExtensions.Count;
deviceCreateInfo.ppEnabledExtensionNames = deviceExtensions.Pin();
}
Utils.CheckResult(vkCreateDevice(phy.Handle, ref deviceCreateInfo, IntPtr.Zero, out dev));
qInfos.Unpin();
enabledFeatures.Unpin();
foreach (List <float> fa in prioritiesLists)
{
fa.Unpin();
}
deviceExtensions.Unpin();
//Vk.LoadDeviceFunctionPointers (dev);
foreach (Queue q in queues)
{
q.updateHandle();
}
#if MEMORY_POOLS
resourceManager = new ResourceManager(this);
#endif
}
private IntPtr CreateDevice()
{
IntPtr device;
var queuePriority = 1.0f;
var deviceQueueCreateInfo = new VkDeviceQueueCreateInfo {
sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
pNext = null,
flags = 0,
queueFamilyIndex = GraphicsQueueFamilyIndex,
queueCount = 1,
pQueuePriorities = &queuePriority,
};
var enabledExtensionCount = 1u;
var enabledExtensionNames = stackalloc sbyte *[(int)enabledExtensionCount];
enabledExtensionNames[0] = (sbyte *)Unsafe.AsPointer(ref MemoryMarshal.GetReference(VK_KHR_SWAPCHAIN_EXTENSION_NAME));
var physicalDeviceFeatures = new VkPhysicalDeviceFeatures {
robustBufferAccess = VK_FALSE,
fullDrawIndexUint32 = VK_FALSE,
imageCubeArray = VK_FALSE,
independentBlend = VK_FALSE,
geometryShader = VK_FALSE,
tessellationShader = VK_FALSE,
sampleRateShading = VK_FALSE,
dualSrcBlend = VK_FALSE,
logicOp = VK_FALSE,
multiDrawIndirect = VK_FALSE,
drawIndirectFirstInstance = VK_FALSE,
depthClamp = VK_FALSE,
depthBiasClamp = VK_FALSE,
fillModeNonSolid = VK_FALSE,
depthBounds = VK_FALSE,
wideLines = VK_FALSE,
largePoints = VK_FALSE,
alphaToOne = VK_FALSE,
multiViewport = VK_FALSE,
samplerAnisotropy = VK_FALSE,
textureCompressionETC2 = VK_FALSE,
textureCompressionASTC_LDR = VK_FALSE,
textureCompressionBC = VK_FALSE,
occlusionQueryPrecise = VK_FALSE,
pipelineStatisticsQuery = VK_FALSE,
vertexPipelineStoresAndAtomics = VK_FALSE,
fragmentStoresAndAtomics = VK_FALSE,
shaderTessellationAndGeometryPointSize = VK_FALSE,
shaderImageGatherExtended = VK_FALSE,
shaderStorageImageExtendedFormats = VK_FALSE,
shaderStorageImageMultisample = VK_FALSE,
shaderStorageImageReadWithoutFormat = VK_FALSE,
shaderStorageImageWriteWithoutFormat = VK_FALSE,
shaderUniformBufferArrayDynamicIndexing = VK_FALSE,
shaderSampledImageArrayDynamicIndexing = VK_FALSE,
shaderStorageBufferArrayDynamicIndexing = VK_FALSE,
shaderStorageImageArrayDynamicIndexing = VK_FALSE,
shaderClipDistance = VK_FALSE,
shaderCullDistance = VK_FALSE,
shaderFloat64 = VK_FALSE,
shaderInt64 = VK_FALSE,
shaderInt16 = VK_FALSE,
shaderResourceResidency = VK_FALSE,
shaderResourceMinLod = VK_FALSE,
sparseBinding = VK_FALSE,
sparseResidencyBuffer = VK_FALSE,
sparseResidencyImage2D = VK_FALSE,
sparseResidencyImage3D = VK_FALSE,
sparseResidency2Samples = VK_FALSE,
sparseResidency4Samples = VK_FALSE,
sparseResidency8Samples = VK_FALSE,
sparseResidency16Samples = VK_FALSE,
sparseResidencyAliased = VK_FALSE,
variableMultisampleRate = VK_FALSE,
inheritedQueries = VK_FALSE,
};
var deviceCreateInfo = new VkDeviceCreateInfo {
sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
pNext = null,
flags = 0,
queueCreateInfoCount = 1,
pQueueCreateInfos = &deviceQueueCreateInfo,
enabledLayerCount = 0,
ppEnabledLayerNames = null,
enabledExtensionCount = 1,
ppEnabledExtensionNames = enabledExtensionNames,
pEnabledFeatures = &physicalDeviceFeatures,
};
var result = vkCreateDevice(_graphicsAdapter.PhysicalDevice, &deviceCreateInfo, pAllocator: null, &device);
if (result != VK_SUCCESS)
{
ThrowExternalException(nameof(vkCreateDevice), (int)result);
}
return(device);
}
static VkDevice CreateLogicalDevice(VkPhysicalDeviceFeatures enabledFeatures, CStringList enabledExtensions,
bool useSwapChain = true, VkQueueFlags requestedQueueTypes = VkQueueFlags.Graphics | VkQueueFlags.Compute | VkQueueFlags.Transfer)
{
using Vector <VkDeviceQueueCreateInfo> queueCreateInfos = new Vector <VkDeviceQueueCreateInfo>();
float defaultQueuePriority = 0.0f;
// Graphics queue
if ((requestedQueueTypes & VkQueueFlags.Graphics) != 0)
{
QFGraphics = GetQueueFamilyIndex(VkQueueFlags.Graphics);
var queueInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = QFGraphics,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos.Add(queueInfo);
}
else
{
QFGraphics = (uint)IntPtr.Zero;
}
// Dedicated compute queue
if ((requestedQueueTypes & VkQueueFlags.Compute) != 0)
{
QFCompute = GetQueueFamilyIndex(VkQueueFlags.Compute);
if (QFCompute != QFGraphics)
{
// If compute family index differs, we need an additional queue create info for the compute queue
var queueInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = QFCompute,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos.Add(queueInfo);
}
}
else
{
// Else we use the same queue
QFCompute = QFGraphics;
}
// Dedicated transfer queue
if ((requestedQueueTypes & VkQueueFlags.Transfer) != 0)
{
QFTransfer = GetQueueFamilyIndex(VkQueueFlags.Transfer);
if (QFTransfer != QFGraphics && QFTransfer != QFCompute)
{
// If compute family index differs, we need an additional queue create info for the transfer queue
var queueInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = QFTransfer,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos.Add(queueInfo);
}
}
else
{
// Else we use the same queue
QFTransfer = QFGraphics;
}
// Create the logical device representation
using CStringList deviceExtensions = new CStringList(enabledExtensions);
if (useSwapChain)
{
// If the device will be used for presenting to a display via a swapchain we need to request the swapchain extension
deviceExtensions.Add(Vulkan.KHRSwapchainExtensionName);
}
var deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
queueCreateInfoCount = queueCreateInfos.Count,
pQueueCreateInfos = queueCreateInfos.DataPtr,
pEnabledFeatures = &enabledFeatures
};
if (deviceExtensions.Count > 0)
{
deviceCreateInfo.enabledExtensionCount = deviceExtensions.Count;
deviceCreateInfo.ppEnabledExtensionNames = (byte **)deviceExtensions.Data;
}
return(Vulkan.CreateDevice(PhysicalDevice, &deviceCreateInfo));
}
public VkResult CreateLogicalDevice(
VkPhysicalDeviceFeatures enabledFeatures,
string[] enabledExtensions,
bool useSwapChain = true,
VkQueueFlagBits requestedQueueTypes = VkQueueFlagBits.Graphics | VkQueueFlagBits.Compute)
{
// Desired queues need to be requested upon logical device creation
// Due to differing queue family configurations of Vulkan implementations this can be a bit tricky, especially if the application
// requests different queue types
var queueCreateInfos = new List <VkDeviceQueueCreateInfo>();
float defaultQueuePriority = 0.0f;
// Graphics queue
if ((requestedQueueTypes & VkQueueFlagBits.Graphics) != 0)
{
QFIndices.Graphics = GetQueueFamilyIndex(VkQueueFlagBits.Graphics);
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = QFIndices.Graphics;
queueInfo.queuePriorities = defaultQueuePriority;
queueCreateInfos.Add(queueInfo);
}
else
{
QFIndices.Graphics = 0;
}
// Dedicated compute queue
if ((requestedQueueTypes & VkQueueFlagBits.Compute) != 0)
{
QFIndices.Compute = GetQueueFamilyIndex(VkQueueFlagBits.Compute);
if (QFIndices.Compute != QFIndices.Graphics)
{
// If compute family index differs, we need an additional queue create info for the compute queue
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = QFIndices.Compute;
queueInfo.queuePriorities = defaultQueuePriority;
queueCreateInfos.Add(queueInfo);
}
}
else
{
// Else we use the same queue
QFIndices.Compute = QFIndices.Graphics;
}
// Dedicated transfer queue
if ((requestedQueueTypes & VkQueueFlagBits.Transfer) != 0)
{
QFIndices.Transfer = GetQueueFamilyIndex(VkQueueFlagBits.Transfer);
if (QFIndices.Transfer != QFIndices.Graphics && QFIndices.Transfer != QFIndices.Compute)
{
// If compute family index differs, we need an additional queue create info for the transfer queue
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = QFIndices.Transfer;
queueInfo.queuePriorities = defaultQueuePriority;
queueCreateInfos.Add(queueInfo);
}
}
else
{
// Else we use the same queue
QFIndices.Transfer = QFIndices.Graphics;
}
// Create the logical device representation
//using (NativeList<IntPtr> deviceExtensions = new NativeList<IntPtr>(enabledExtensions)) {
var deviceExtensions = new List <string>();
if (useSwapChain)
{
// If the device will be used for presenting to a display via a swapchain we need to request the swapchain extension
deviceExtensions.Add(Strings.VK_KHR_SWAPCHAIN_EXTENSION_NAME);
}
var deviceCreateInfo = VkDeviceCreateInfo.Alloc();
deviceCreateInfo->queueCreateInfos = queueCreateInfos.ToArray();
deviceCreateInfo->pEnabledFeatures = &enabledFeatures;
if (deviceExtensions.Count > 0)
{
string[] array = deviceExtensions.ToArray();
deviceCreateInfo[0].EnabledExtensions = array;
}
VkDevice device;
VkResult result = vkCreateDevice(PhysicalDevice, deviceCreateInfo, null, &device);
this._logicalDevice = device;
if (result == VkResult.Success)
{
// Create a default command pool for graphics command buffers
CommandPool = CreateCommandPool(QFIndices.Graphics);
}
return(result);
}
static void Main(string[] args)
{
VkInstance inst;
using (VkApplicationInfo ai = new VkApplicationInfo()) {
using (VkInstanceCreateInfo ci = new VkInstanceCreateInfo {
pApplicationInfo = ai
}){
CheckResult(vkCreateInstance(ci, IntPtr.Zero, out inst));
}
}
Vk.LoadInstanceFunctionPointers(inst);
if (!TryGetPhysicalDevice(inst, VkPhysicalDeviceType.DiscreteGpu, out VkPhysicalDevice phy))
{
if (!TryGetPhysicalDevice(inst, VkPhysicalDeviceType.IntegratedGpu, out phy))
{
if (!TryGetPhysicalDevice(inst, VkPhysicalDeviceType.Cpu, out phy))
{
throw new Exception("no suitable physical device found");
}
}
}
foreach (VkPhysicalDeviceToolPropertiesEXT toolProp in GetToolProperties(phy))
{
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine($"Enabled Tool: {toolProp.name}({toolProp.version})");
Console.ResetColor();
}
vkGetPhysicalDeviceQueueFamilyProperties(phy, out uint queueFamilyCount, IntPtr.Zero);
VkQueueFamilyProperties[] qFamProps = new VkQueueFamilyProperties[queueFamilyCount];
vkGetPhysicalDeviceQueueFamilyProperties(phy, out queueFamilyCount, qFamProps.Pin());
qFamProps.Unpin();
Console.WriteLine($"Queues:");
for (int i = 0; i < queueFamilyCount; i++)
{
Console.WriteLine($"\t{i}: {qFamProps[i].queueFlags,-60} ({qFamProps[i].queueCount})");
}
uint qFamIndex = (uint)qFamProps.Select((qFam, index) => (qFam, index))
.First(qfp => qfp.qFam.queueFlags.HasFlag(VkQueueFlags.Graphics)).index;
VkDevice dev = default;
float[] priorities = { 0 };
using (VkDeviceQueueCreateInfo qInfo = new VkDeviceQueueCreateInfo(qFamIndex, 1, priorities)) {
using (VkDeviceCreateInfo deviceCreateInfo = new VkDeviceCreateInfo()
{
pQueueCreateInfos = qInfo
}) {
CheckResult(vkCreateDevice(phy, deviceCreateInfo, IntPtr.Zero, out dev));
}
}
vkGetDeviceQueue(dev, qFamIndex, 0, out VkQueue gQ);
vkDestroyDevice(dev, IntPtr.Zero);
vkDestroyInstance(inst, IntPtr.Zero);
}
public VulkanContext(VkInstance instance, VkSurfaceKHR surface, Platform platform)
{
// Find graphics and presentation capable physical device(s) that support
// the provided surface for platform.
int graphicsQueueFamilyIndex = -1;
int computeQueueFamilyIndex = -1;
int presentQueueFamilyIndex = -1;
var physicalDevices = vkEnumeratePhysicalDevices(instance);
foreach (var physicalDevice in physicalDevices)
{
uint Count = 0;
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &Count, null);
VkQueueFamilyProperties *queueFamilyPropertiesptr = stackalloc VkQueueFamilyProperties[(int)Count];
vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &Count, queueFamilyPropertiesptr);
for (int i = 0; i < Count; i++)
{
if (queueFamilyPropertiesptr[i].queueFlags.HasFlag(VkQueueFlags.Graphics))
{
if (graphicsQueueFamilyIndex == -1)
{
graphicsQueueFamilyIndex = i;
}
if (computeQueueFamilyIndex == -1)
{
computeQueueFamilyIndex = i;
}
VkBool32 isSupported;
uint queueFamilyIndex = (uint)i;
VkResult result = vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, queueFamilyIndex, surface, out isSupported);
result.CheckResult();
if (isSupported == VkBool32.True)
{
bool presentationSupport = false;
if (platform == Platform.Win32)
{
presentationSupport = vkGetPhysicalDeviceWin32PresentationSupportKHR(physicalDevice, queueFamilyIndex);
}
else
{
presentationSupport = true;
}
if (presentationSupport)
{
presentQueueFamilyIndex = i;
}
}
if (graphicsQueueFamilyIndex != -1 &&
computeQueueFamilyIndex != -1 &&
presentQueueFamilyIndex != -1)
{
PhysicalDevice = physicalDevice;
break;
}
}
}
if (PhysicalDevice != null)
{
break;
}
}
if (PhysicalDevice == null)
{
throw new InvalidOperationException("No suitable physical device found.");
}
vkGetPhysicalDeviceMemoryProperties(PhysicalDevice, out VkPhysicalDeviceMemoryProperties memoryProperties);
MemoryProperties = memoryProperties;
vkGetPhysicalDeviceFeatures(PhysicalDevice, out VkPhysicalDeviceFeatures features);
Features = features;
vkGetPhysicalDeviceProperties(PhysicalDevice, out VkPhysicalDeviceProperties physicalDeviceProperties);
Properties = physicalDeviceProperties;
// Create a logical device.
bool sameGraphicsAndPresent = graphicsQueueFamilyIndex == presentQueueFamilyIndex;
VkDeviceQueueCreateInfo *queueCreateInfos = stackalloc VkDeviceQueueCreateInfo[sameGraphicsAndPresent ? 1 : 2];
float defaultQueuePriority = 1.0f;
VkDeviceQueueCreateInfo queueInfoGraphics = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = (uint)graphicsQueueFamilyIndex,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos[0] = queueInfoGraphics;
if (!sameGraphicsAndPresent)
{
queueCreateInfos[1] = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = (uint)presentQueueFamilyIndex,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
}
VkDeviceCreateInfo deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
pNext = null,
flags = VkDeviceCreateFlags.None,
queueCreateInfoCount = (uint)(sameGraphicsAndPresent ? 1 : 2),
pQueueCreateInfos = queueCreateInfos,
};
deviceCreateInfo.pEnabledFeatures = &features;
string[] deviceExtensions = new[] {
// If the device will be used for presenting to a display via a swapchain we need to request the swapchain extension
"VK_KHR_swapchain"
};
deviceCreateInfo.enabledExtensionCount = (uint)deviceExtensions.Length;
deviceCreateInfo.ppEnabledExtensionNames = Interop.String.AllocToPointers(deviceExtensions);
VkResult result2 = vkCreateDevice(PhysicalDevice, &deviceCreateInfo, null, out VkDevice device);
result2.CheckResult();
Device = device;
// Get queue(s).
GraphicsQueue = GetQueue((uint)graphicsQueueFamilyIndex);
ComputeQueue = computeQueueFamilyIndex == graphicsQueueFamilyIndex
? GraphicsQueue
: GetQueue((uint)computeQueueFamilyIndex);
PresentQueue = presentQueueFamilyIndex == graphicsQueueFamilyIndex
? GraphicsQueue
: GetQueue((uint)presentQueueFamilyIndex);
GraphicsQueueFamilyIndex = graphicsQueueFamilyIndex;
PresentQueueFamilyIndex = presentQueueFamilyIndex;
ComputeQueueFamilyIndex = presentQueueFamilyIndex;
GraphicsCommandPool = CreateCommandPool((uint)graphicsQueueFamilyIndex);
ComputeCommandPool = CreateCommandPool((uint)computeQueueFamilyIndex);
}
public GraphicsDevice(string applicationName, bool enableValidation, Window?window)
{
VkString name = applicationName;
var appInfo = new VkApplicationInfo
{
sType = VkStructureType.ApplicationInfo,
pApplicationName = name,
applicationVersion = new VkVersion(1, 0, 0),
pEngineName = s_EngineName,
engineVersion = new VkVersion(1, 0, 0),
apiVersion = vkEnumerateInstanceVersion()
};
List <string> instanceExtensions = new List <string>
{
KHRSurfaceExtensionName
};
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
instanceExtensions.Add(KHRWin32SurfaceExtensionName);
}
List <string> instanceLayers = new List <string>();
if (enableValidation)
{
FindValidationLayers(instanceLayers);
}
if (instanceLayers.Count > 0)
{
instanceExtensions.Add(EXTDebugUtilsExtensionName);
}
using var vkInstanceExtensions = new VkStringArray(instanceExtensions);
var instanceCreateInfo = new VkInstanceCreateInfo
{
sType = VkStructureType.InstanceCreateInfo,
pApplicationInfo = &appInfo,
enabledExtensionCount = vkInstanceExtensions.Length,
ppEnabledExtensionNames = vkInstanceExtensions
};
using var vkLayerNames = new VkStringArray(instanceLayers);
if (instanceLayers.Count > 0)
{
instanceCreateInfo.enabledLayerCount = vkLayerNames.Length;
instanceCreateInfo.ppEnabledLayerNames = vkLayerNames;
}
var debugUtilsCreateInfo = new VkDebugUtilsMessengerCreateInfoEXT
{
sType = VkStructureType.DebugUtilsMessengerCreateInfoEXT
};
if (instanceLayers.Count > 0)
{
_debugMessengerCallbackFunc = DebugMessengerCallback;
debugUtilsCreateInfo.messageSeverity = VkDebugUtilsMessageSeverityFlagsEXT.Error | VkDebugUtilsMessageSeverityFlagsEXT.Warning;
debugUtilsCreateInfo.messageType = VkDebugUtilsMessageTypeFlagsEXT.Validation | VkDebugUtilsMessageTypeFlagsEXT.Performance;
debugUtilsCreateInfo.pfnUserCallback = Marshal.GetFunctionPointerForDelegate(_debugMessengerCallbackFunc);
instanceCreateInfo.pNext = &debugUtilsCreateInfo;
}
VkResult result = vkCreateInstance(&instanceCreateInfo, null, out VkInstance);
if (result != VkResult.Success)
{
throw new InvalidOperationException($"Failed to create vulkan instance: {result}");
}
vkLoadInstance(VkInstance);
if (instanceLayers.Count > 0)
{
vkCreateDebugUtilsMessengerEXT(VkInstance, &debugUtilsCreateInfo, null, out _debugMessenger).CheckResult();
}
Log.Info($"Created VkInstance with version: {appInfo.apiVersion.Major}.{appInfo.apiVersion.Minor}.{appInfo.apiVersion.Patch}");
if (instanceLayers.Count > 0)
{
foreach (var layer in instanceLayers)
{
Log.Info($"Instance layer '{layer}'");
}
}
foreach (string extension in instanceExtensions)
{
Log.Info($"Instance extension '{extension}'");
}
_surface = CreateSurface(window);
// Find physical device, setup queue's and create device.
var physicalDevices = vkEnumeratePhysicalDevices(VkInstance);
foreach (var physicalDevice in physicalDevices)
{
vkGetPhysicalDeviceProperties(physicalDevice, out var properties);
var deviceName = properties.GetDeviceName();
}
PhysicalDevice = physicalDevices[0];
var queueFamilies = FindQueueFamilies(PhysicalDevice, _surface);
var priority = 1.0f;
var queueCreateInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = queueFamilies.graphicsFamily,
queueCount = 1,
pQueuePriorities = &priority
};
List <string> deviceExtensions = new List <string>
{
KHRSwapchainExtensionName
};
var deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
pQueueCreateInfos = &queueCreateInfo,
queueCreateInfoCount = 1,
pEnabledFeatures = null,
};
using var deviceExtensionNames = new VkStringArray(deviceExtensions);
deviceCreateInfo.enabledExtensionCount = deviceExtensionNames.Length;
deviceCreateInfo.ppEnabledExtensionNames = deviceExtensionNames;
result = vkCreateDevice(PhysicalDevice, &deviceCreateInfo, null, out VkDevice);
if (result != VkResult.Success)
{
throw new Exception($"Failed to create Vulkan Logical Device, {result}");
}
vkGetDeviceQueue(VkDevice, queueFamilies.graphicsFamily, 0, out GraphicsQueue);
vkGetDeviceQueue(VkDevice, queueFamilies.presentFamily, 0, out PresentQueue);
// Create swap chain
Swapchain = new Swapchain(this, window);
_perFrame = new PerFrame[Swapchain.ImageCount];
for (var i = 0; i < _perFrame.Length; i++)
{
VkFenceCreateInfo fenceCreateInfo = new VkFenceCreateInfo(VkFenceCreateFlags.Signaled);
vkCreateFence(VkDevice, &fenceCreateInfo, null, out _perFrame[i].QueueSubmitFence).CheckResult();
VkCommandPoolCreateInfo poolCreateInfo = new VkCommandPoolCreateInfo
{
sType = VkStructureType.CommandPoolCreateInfo,
flags = VkCommandPoolCreateFlags.Transient,
queueFamilyIndex = queueFamilies.graphicsFamily,
};
vkCreateCommandPool(VkDevice, &poolCreateInfo, null, out _perFrame[i].PrimaryCommandPool).CheckResult();
VkCommandBufferAllocateInfo commandBufferInfo = new VkCommandBufferAllocateInfo
{
sType = VkStructureType.CommandBufferAllocateInfo,
commandPool = _perFrame[i].PrimaryCommandPool,
level = VkCommandBufferLevel.Primary,
commandBufferCount = 1
};
vkAllocateCommandBuffers(VkDevice, &commandBufferInfo, out _perFrame[i].PrimaryCommandBuffer).CheckResult();
}
}
public VkResult CreateLogicalDevice(
VkPhysicalDeviceFeatures enabledFeatures,
NativeList <IntPtr> enabledExtensions,
bool useSwapChain = true,
VkQueueFlags requestedQueueTypes = VkQueueFlags.Graphics | VkQueueFlags.Compute)
{
// Desired queues need to be requested upon logical device creation
// Due to differing queue family configurations of Vulkan implementations this can be a bit tricky, especially if the application
// requests different queue types
using (NativeList <VkDeviceQueueCreateInfo> queueCreateInfos = new NativeList <VkDeviceQueueCreateInfo>())
{
float defaultQueuePriority = 0.0f;
// Graphics queue
if ((requestedQueueTypes & VkQueueFlags.Graphics) != 0)
{
QFIndices.Graphics = GetQueueFamilyIndex(VkQueueFlags.Graphics);
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = VkStructureType.DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = QFIndices.Graphics;
queueInfo.queueCount = 1;
queueInfo.pQueuePriorities = &defaultQueuePriority;
queueCreateInfos.Add(queueInfo);
}
else
{
QFIndices.Graphics = (uint)NullHandle;
}
// Dedicated compute queue
if ((requestedQueueTypes & VkQueueFlags.Compute) != 0)
{
QFIndices.Compute = GetQueueFamilyIndex(VkQueueFlags.Compute);
if (QFIndices.Compute != QFIndices.Graphics)
{
// If compute family index differs, we need an additional queue create info for the compute queue
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = VkStructureType.DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = QFIndices.Compute;
queueInfo.queueCount = 1;
queueInfo.pQueuePriorities = &defaultQueuePriority;
queueCreateInfos.Add(queueInfo);
}
}
else
{
// Else we use the same queue
QFIndices.Compute = QFIndices.Graphics;
}
// Dedicated transfer queue
if ((requestedQueueTypes & VkQueueFlags.Transfer) != 0)
{
QFIndices.Transfer = GetQueueFamilyIndex(VkQueueFlags.Transfer);
if (QFIndices.Transfer != QFIndices.Graphics && QFIndices.Transfer != QFIndices.Compute)
{
// If compute family index differs, we need an additional queue create info for the transfer queue
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo();
queueInfo.sType = VkStructureType.DeviceQueueCreateInfo;
queueInfo.queueFamilyIndex = QFIndices.Transfer;
queueInfo.queueCount = 1;
queueInfo.pQueuePriorities = &defaultQueuePriority;
queueCreateInfos.Add(queueInfo);
}
}
else
{
// Else we use the same queue
QFIndices.Transfer = QFIndices.Graphics;
}
// Create the logical device representation
using (NativeList <IntPtr> deviceExtensions = new NativeList <IntPtr>(enabledExtensions))
{
if (useSwapChain)
{
// If the device will be used for presenting to a display via a swapchain we need to request the swapchain extension
deviceExtensions.Add(Strings.VK_KHR_SWAPCHAIN_EXTENSION_NAME);
}
VkDeviceCreateInfo deviceCreateInfo = VkDeviceCreateInfo.New();
deviceCreateInfo.queueCreateInfoCount = queueCreateInfos.Count;
deviceCreateInfo.pQueueCreateInfos = (VkDeviceQueueCreateInfo *)queueCreateInfos.Data.ToPointer();
deviceCreateInfo.pEnabledFeatures = &enabledFeatures;
if (deviceExtensions.Count > 0)
{
deviceCreateInfo.enabledExtensionCount = deviceExtensions.Count;
deviceCreateInfo.ppEnabledExtensionNames = (byte **)deviceExtensions.Data.ToPointer();
}
VkResult result = vkCreateDevice(PhysicalDevice, &deviceCreateInfo, null, out _logicalDevice);
if (result == VkResult.Success)
{
// Create a default command pool for graphics command buffers
CommandPool = CreateCommandPool(QFIndices.Graphics);
}
return(result);
}
}
}
internal void CreateDevice()
{
VkDeviceQueueCreateInfo *queueCreateInfos = stackalloc VkDeviceQueueCreateInfo[3];
float defaultQueuePriority = 0.0f;
VkQueueFlags requestedQueueTypes = VkQueueFlags.Graphics | VkQueueFlags.Compute | VkQueueFlags.Transfer;
// Graphics queue
if ((requestedQueueTypes & VkQueueFlags.Graphics) != 0)
{
GraphicsFamily = GetQueueFamilyIndex(VkQueueFlags.Graphics, QueueFamilyProperties);
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = GraphicsFamily,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos[0] = (queueInfo);
}
else
{
GraphicsFamily = (uint)NullHandle;
}
// Dedicated compute queue
if ((requestedQueueTypes & VkQueueFlags.Compute) != 0)
{
ComputeFamily = GetQueueFamilyIndex(VkQueueFlags.Compute, QueueFamilyProperties);
if (ComputeFamily != GraphicsFamily)
{
// If compute family index differs, we need an additional queue create info for the compute queue
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = ComputeFamily,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos[1] = (queueInfo);
}
}
else
{
// Else we use the same queue
ComputeFamily = GraphicsFamily;
}
// Dedicated transfer queue
if ((requestedQueueTypes & VkQueueFlags.Transfer) != 0)
{
TransferFamily = GetQueueFamilyIndex(VkQueueFlags.Transfer, QueueFamilyProperties);
if (TransferFamily != GraphicsFamily && TransferFamily != ComputeFamily)
{
// If compute family index differs, we need an additional queue create info for the transfer queue
VkDeviceQueueCreateInfo queueInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = TransferFamily,
queueCount = 1,
pQueuePriorities = &defaultQueuePriority
};
queueCreateInfos[2] = (queueInfo);
}
}
else
{
// Else we use the same queue
TransferFamily = GraphicsFamily;
}
// Create the logical device representation
List <string> deviceExtensions = new List <string>();
// If the device will be used for presenting to a display via a swapchain we need to request the swapchain extension
deviceExtensions.Add("VK_KHR_swapchain");
var oldFeatures = Features;
VkDeviceCreateInfo deviceCreateInfo = VkDeviceCreateInfo.New();
deviceCreateInfo.queueCreateInfoCount = 3;
deviceCreateInfo.pQueueCreateInfos = queueCreateInfos;
deviceCreateInfo.pEnabledFeatures = &oldFeatures;
if (deviceExtensions.Count > 0)
{
deviceCreateInfo.enabledExtensionCount = (uint)deviceExtensions.Count;
deviceCreateInfo.ppEnabledExtensionNames = Interop.String.AllocToPointers(deviceExtensions.ToArray());
}
vkCreateDevice(NativeAdapter.NativePhysicalDevice, &deviceCreateInfo, null, out var device);
Device = device;
}
