AppGpu AppGpuInit(uint id, PhysicalDevice obj)
{
// TODO : Limits
AppGpu gpu = new AppGpu
{
Id = id,
Obj = obj,
Props = obj.GetProperties(),
QueueProps = obj.GetQueueFamilyProperties(),
MemoryProps = obj.GetMemoryProperties(),
Features = obj.GetFeatures(),
Limits = null,
};
gpu.QueueReqs = new DeviceQueueCreateInfo[gpu.QueueProps.Length];
for (uint i = 0; i < gpu.QueueProps.Length; i++)
{
uint queueCount = gpu.QueueProps[i].QueueCount;
DeviceQueueCreateInfo queueReq = new DeviceQueueCreateInfo
{
QueueFamilyIndex = i,
QueueCount = queueCount,
QueuePriorities = new float[queueCount],
};
gpu.QueueReqs[i] = queueReq;
}
gpu.Device = AppDevInit(gpu);
AppDevInitFormats(gpu.Device);
return(gpu);
}
public void InitializeVulkan()
{
var devices = Instance.EnumeratePhysicalDevices();
var surface = Instance.CreateAndroidSurfaceKHR(new AndroidSurfaceCreateInfoKhr {
Window = aNativeWindow
});
var queueInfo = new DeviceQueueCreateInfo {
QueuePriorities = new float [] { 1.0f }
};
var deviceInfo = new DeviceCreateInfo {
EnabledExtensionNames = new string [] { "VK_KHR_swapchain", "VK_KHR_display_swapchain" },
QueueCreateInfos = new DeviceQueueCreateInfo [] { queueInfo }
};
var physicalDevice = devices [0];
device = physicalDevice.CreateDevice(deviceInfo);
queue = device.GetQueue(0, 0);
var surfaceCapabilities = physicalDevice.GetSurfaceCapabilitiesKHR(surface);
var surfaceFormat = SelectFormat(physicalDevice, surface);
swapchain = CreateSwapchain(surface, surfaceCapabilities, surfaceFormat);
var images = device.GetSwapchainImagesKHR(swapchain);
var renderPass = CreateRenderPass(surfaceFormat);
var framebuffers = CreateFramebuffers(images, surfaceFormat, surfaceCapabilities, renderPass);
commandBuffers = CreateCommandBuffers(images, framebuffers, renderPass, surfaceCapabilities);
var fenceInfo = new FenceCreateInfo();
fences = new Fence [] { device.CreateFence(fenceInfo) };
var semaphoreInfo = new SemaphoreCreateInfo();
semaphore = device.CreateSemaphore(semaphoreInfo);
initialized = true;
}
static void CreateDevice()
{
var queueCreateInfo = new DeviceQueueCreateInfo
{
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = 0,
};
var deviceEnabledExtensions = new[]
{
"VK_KHR_swapchain",
};
var deviceCreateInfo = new DeviceCreateInfo
{
QueueCreateInfoCount = 1,
QueueCreateInfos = queueCreateInfo,
EnabledExtensionNames = deviceEnabledExtensions,
};
device = physicalDevice.CreateDevice(deviceCreateInfo, null);
Console.WriteLine("[ OK ] Device");
var queueNodeIndex = physicalDevice.GetQueueFamilyProperties()
.Where((properties, index) => (properties.QueueFlags & QueueFlags.Graphics) != 0) //&& physicalDevice.GetSurfaceSupport((uint)index, surface)
.Select((properties, index) => index)
.First();
queue = device.GetQueue(0, (uint)queueNodeIndex);
Console.WriteLine("[ OK ] Queue");
}
Device CreateDevice(PhysicalDevice physicalDevice, uint queueFamily)
{
// Device objects represent logical connections to physical devices. Each device exposes
// a number of queue families each having one or more queues. All queues in a queue family
// support the same operations.
//
// As described above, a Vulkan application will first query for all physical
// devices in a system. Each physical device can then be queried for its capabilities,
// including its queue and queue family properties. Once an acceptable physical device is
// identified, an application will create a corresponding logical device. An application
// must create a separate logical device for each physical device it will use. The created
// logical device is then the primary interface to the physical device.
String[] enabledLayers = new string[]
{
"VK_LAYER_LUNARG_standard_validation"
};
var features = new PhysicalDeviceFeatures();
features.ShaderClipDistance = true;
features.ShaderCullDistance = true;
var queueCreateInfo = new DeviceQueueCreateInfo(queueFamily, new[] { 0f });
var deviceCreateInfo = new DeviceCreateInfo(new[] { queueCreateInfo }, enabledLayers, null);
deviceCreateInfo.EnabledFeatures = features;
return(physicalDevice.CreateDevice(deviceCreateInfo));
}
/// <summary>
/// Initialize the graphic device.
/// </summary>
public override void Initialize()
{
base.Initialize();
// - Take presentation and graphic queue
GraphicQueueIndex = GetSuitableQueues(Physical.Handle, QueueFlags.Graphics).First();
PresentQueueIndex = GetPresentQueues(Physical.Handle, Physical.DrawingSurface.Handle).First();
ComputeQueueIndex = GetSuitableQueues(Physical.Handle, QueueFlags.Compute).First();
var queues = new DeviceQueueCreateInfo[]
{
new DeviceQueueCreateInfo {
QueueFamilyIndex = GraphicQueueIndex, QueuePriorities = new[] { 1f }
},
new DeviceQueueCreateInfo {
QueueFamilyIndex = PresentQueueIndex, QueuePriorities = new[] { 1f }
},
new DeviceQueueCreateInfo {
QueueFamilyIndex = ComputeQueueIndex, QueuePriorities = new[] { 1f }
}
};
// - Create logical device
Handle = Physical.Handle.CreateDevice(queues, null, new[] { KhrExtensions.Swapchain });
// - Gets the logical queues
GraphicQueue = Handle.GetQueue(GraphicQueueIndex, 0);
PresentQueue = Handle.GetQueue(PresentQueueIndex, 0);
ComputeQueue = Handle.GetQueue(ComputeQueueIndex, 0);
}
private void CreateLogicalDevice()
{
var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface);
var queueCreateInfos = new DeviceQueueCreateInfo[]
{
new DeviceQueueCreateInfo()
{
QueueFamilyIndex = (uint)indices.GraphicsFamily,
QueueCount = 1,
QueuePriorities = new float[] { 1.0f },
}
};
var createInfo = new DeviceCreateInfo()
{
EnabledExtensionNames = new string[] { "VK_KHR_swapchain" },
QueueCreateInfos = queueCreateInfos,
EnabledFeatures = new PhysicalDeviceFeatures(),
};
vkDevice = vkPhysicalDevice.CreateDevice(createInfo);
vkGraphicsQueue = vkDevice.GetQueue((uint)indices.GraphicsFamily, 0);
vkPresentQueue = vkDevice.GetQueue((uint)indices.PresentFamily, 0);
}
private Device CreateLogicalDevice(out Queue GraphicsQueue, out Queue PresentQueue)
{
var queueInfos = stackalloc DeviceQueueCreateInfo[2];
uint infoCount = 1;
float queuePriority = 1f;
queueInfos[0] = new DeviceQueueCreateInfo(queueFamilyIndex: (uint)this.QueueIndices.GraphicsFamily, queueCount: 1, pQueuePriorities: &queuePriority);
if (this.QueueIndices.GraphicsFamily != this.QueueIndices.PresentFamily)
{
infoCount = 2;
queueInfos[1] = new DeviceQueueCreateInfo(queueFamilyIndex: (uint)this.QueueIndices.PresentFamily, queueCount: 1, pQueuePriorities: &queuePriority);
}
PhysicalDeviceFeatures features = default;
using var extensionNames = SilkMarshal.StringArrayToMemory(RequiredDeviceExtensions);
PhysicalDeviceSeparateDepthStencilLayoutsFeatures depthStencilFeature = new PhysicalDeviceSeparateDepthStencilLayoutsFeatures
{
SType = StructureType.PhysicalDeviceSeparateDepthStencilLayoutsFeatures,
SeparateDepthStencilLayouts = true
};
DeviceCreateInfo createInfo = new DeviceCreateInfo
{
SType = StructureType.DeviceCreateInfo,
//PNext = &depthStencilFeature,
QueueCreateInfoCount = infoCount,
PQueueCreateInfos = queueInfos,
EnabledExtensionCount = (uint)RequiredDeviceExtensions.Length,
PpEnabledExtensionNames = (byte **)extensionNames,
PEnabledFeatures = &features
};
Device device;
var res = VkApi.CreateDevice(this.PhysicalDevice, &createInfo, null, &device);
if (res != Result.Success)
{
throw new VMASharp.VulkanResultException("Logical Device Creation Failed!", res);
}
Queue queue = default;
VkApi.GetDeviceQueue(device, (uint)this.QueueIndices.GraphicsFamily, 0, &queue);
GraphicsQueue = queue;
if (this.QueueIndices.GraphicsFamily != this.QueueIndices.PresentFamily)
{
queue = default;
VkApi.GetDeviceQueue(device, (uint)this.QueueIndices.PresentFamily, 0, &queue);
}
PresentQueue = queue;
return(device);
}
public void CreateDevice()
{
/*
* We create the logical device in this function.
*/
/*
* When creating the device, we also specify what queues it has.
*/
// Store memory properties of the physical device.
PhysicalDeviceMemoryProperties MemoryProperties = physicalDevice.GetMemoryProperties();
PhysicalDeviceFeatures Features = physicalDevice.GetFeatures();
PhysicalDeviceProperties Properties = physicalDevice.GetProperties();
// Create a logical device.
var queueCreateInfos = new DeviceQueueCreateInfo[1];
queueCreateInfos[0] = new DeviceQueueCreateInfo(computeQueueFamilyIndex, 1, 1.0f);
var deviceCreateInfo = new DeviceCreateInfo(
queueCreateInfos,
new[] { Constant.DeviceExtension.NVExternalMemory },
Features);
device = physicalDevice.CreateDevice(deviceCreateInfo);
// Get queue(s).
queue = device.GetQueue(computeQueueFamilyIndex);
// Create command pool(s).
//commandPool = device.CreateCommandPool(new CommandPoolCreateInfo(computeQueueFamilyIndex));
}
public unsafe ReturnSet <bool> InitializeLogicalDevice(VulkanDevice physicalDevice, Logger logger)
{
uint queuePriorities = 0;
var deviceQueueCreateInfo = new DeviceQueueCreateInfo
{
StructureType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = new IntPtr(&queuePriorities)
};
var physicalDeviceFeatures = new PhysicalDeviceFeatures
{
ShaderClipDistance = true,
};
var enabledLayerNames = new[]
{
ExtensionNames.VK_LAYER_LUNARG_standard_validation.ToIntPtr()
};
var enabledExtensionNames = new[]
{
ExtensionNames.VK_KHR_swapchain.ToIntPtr()
};
fixed(void *enabledLayerNamesPointer = &enabledLayerNames[0])
fixed(void *enabledExtensionNamesPointer = &enabledExtensionNames[0])
{
var deviceCreateInfo = new DeviceCreateInfo
{
StructureType = StructureType.DeviceCreateInfo,
QueueCreateInfoCount = 1,
QueueCreateInfos = new IntPtr(&deviceQueueCreateInfo),
EnabledExtensionCount = (uint)enabledExtensionNames.Length,
EnabledExtensionNames = new IntPtr(enabledExtensionNamesPointer),
EnabledFeatures = new IntPtr(&physicalDeviceFeatures),
EnabledLayerCount = (uint)enabledLayerNames.Length,
EnabledLayerNames = new IntPtr(enabledLayerNamesPointer)
};
physicalDevice.CreateLogicalDevice(deviceCreateInfo);
logger.AddMessage("Logical Device created successfully");
_queue = physicalDevice.CreateQueue(_surface);
logger.AddMessage($"Queue created on {physicalDevice.Name}");
_form.Show();
return(new ReturnSet <bool>(true));
}
}
private void InitializeVulkan(PhysicalDevice physDev, SurfaceKhr surface)
{
var queueFamilyProperties = physDev.GetQueueFamilyProperties();
uint queueFamilyUsedIndex;
for (queueFamilyUsedIndex = 0; queueFamilyUsedIndex < queueFamilyProperties.Length; ++queueFamilyUsedIndex)
{
if (!physDev.GetSurfaceSupportKHR(queueFamilyUsedIndex, surface))
{
continue;
}
if (queueFamilyProperties[queueFamilyUsedIndex].QueueFlags.HasFlag(QueueFlags.Graphics))
{
break;
}
}
var queueInfo = new DeviceQueueCreateInfo
{
QueuePriorities = new[] { 1.0f },
QueueFamilyIndex = queueFamilyUsedIndex
};
var deviceInfo = new DeviceCreateInfo
{
EnabledExtensionNames = new[]
{
"VK_KHR_swapchain",
},
QueueCreateInfos = new[] { queueInfo }
};
_device = physDev.CreateDevice(deviceInfo);
_queue = _device.GetQueue(0, 0);
_surfaceCapabilities = physDev.GetSurfaceCapabilitiesKHR(surface);
var surfaceFormat = SelectSurfaceFormat(physDev, surface);
_swapchainKhr = CreateSwapchainKhr(surface, surfaceFormat);
_images = _device.GetSwapchainImagesKHR(_swapchainKhr);
_renderPass = CreateRenderPass(surfaceFormat);
_framebuffers = CreateFramebuffers(_images, surfaceFormat);
var fenceInfo = new FenceCreateInfo();
_fence = _device.CreateFence(fenceInfo);
var semaphoreInfo = new SemaphoreCreateInfo();
_semaphore = _device.CreateSemaphore(semaphoreInfo);
_commandBuffers = CreateCommandBuffers(_images, _framebuffers, _renderPass, _surfaceCapabilities);
}
public void InitializeVulkan()
{
var devices = Instance.EnumeratePhysicalDevices();
var surface = Instance.CreateAndroidSurfaceKHR(new AndroidSurfaceCreateInfoKhr {
Window = aNativeWindow
});
var queueInfo = new DeviceQueueCreateInfo {
QueuePriorities = new float [] { 1.0f }
};
var deviceInfo = new DeviceCreateInfo {
EnabledExtensionNames = new string [] { "VK_KHR_swapchain", "VK_KHR_display_swapchain" },
QueueCreateInfos = new DeviceQueueCreateInfo [] { queueInfo }
};
var physicalDevice = devices [0];
device = physicalDevice.CreateDevice(deviceInfo);
queue = device.GetQueue(0, 0);
surfaceCapabilities = physicalDevice.GetSurfaceCapabilitiesKHR(surface);
var surfaceFormat = SelectFormat(physicalDevice, surface);
swapchain = CreateSwapchain(surface, surfaceFormat);
var images = device.GetSwapchainImagesKHR(swapchain);
renderPass = CreateRenderPass(surfaceFormat);
var framebuffers = CreateFramebuffers(images, surfaceFormat);
var vertexBuffer = CreateBuffer(physicalDevice, Logo.Vertices, BufferUsageFlags.VertexBuffer, typeof(float));
var indexBuffer = CreateBuffer(physicalDevice, Logo.Indexes, BufferUsageFlags.IndexBuffer, typeof(short));
uniformBuffer = CreateUniformBuffer(physicalDevice);
descriptorSetLayout = CreateDescriptorSetLayout();
var pipelines = CreatePipelines();
descriptorSets = CreateDescriptorSets();
UpdateDescriptorSets();
commandBuffers = CreateCommandBuffers(images, framebuffers, pipelines [0], vertexBuffer, indexBuffer, (uint)Logo.Indexes.Length);
var fenceInfo = new FenceCreateInfo();
fences = new Fence [] { device.CreateFence(fenceInfo) };
var semaphoreInfo = new SemaphoreCreateInfo();
semaphore = device.CreateSemaphore(semaphoreInfo);
initialized = true;
}
public virtual void Initialize(PhysicalDevice physicalDevice, SurfaceKhr surface)
{
var queueFamilyProperties = physicalDevice.GetQueueFamilyProperties();
uint queueFamilyUsedIndex;
for (queueFamilyUsedIndex = 0; queueFamilyUsedIndex < queueFamilyProperties.Length; ++queueFamilyUsedIndex)
{
if (!physicalDevice.GetSurfaceSupportKHR(queueFamilyUsedIndex, surface))
{
continue;
}
if (queueFamilyProperties [queueFamilyUsedIndex].QueueFlags.HasFlag(QueueFlags.Graphics))
{
break;
}
}
var queueInfo = new DeviceQueueCreateInfo {
QueuePriorities = new float [] { 1.0f }, QueueFamilyIndex = queueFamilyUsedIndex
};
var deviceInfo = new DeviceCreateInfo {
EnabledExtensionNames = new string [] { "VK_KHR_swapchain" },
QueueCreateInfos = new DeviceQueueCreateInfo [] { queueInfo }
};
device = physicalDevice.CreateDevice(deviceInfo);
queue = device.GetQueue(0, 0);
surfaceCapabilities = physicalDevice.GetSurfaceCapabilitiesKHR(surface);
var surfaceFormat = SelectFormat(physicalDevice, surface);
swapchain = CreateSwapchain(surface, surfaceFormat);
images = device.GetSwapchainImagesKHR(swapchain);
renderPass = CreateRenderPass(surfaceFormat);
framebuffers = CreateFramebuffers(images, surfaceFormat);
var fenceInfo = new FenceCreateInfo();
fence = device.CreateFence(fenceInfo);
var semaphoreInfo = new SemaphoreCreateInfo();
semaphore = device.CreateSemaphore(semaphoreInfo);
initialized = true;
}
private void InitializeVulkan()
{
var devices = _instance.EnumeratePhysicalDevices();
var surface = _instance.CreateWin32SurfaceKHR(
new Win32SurfaceCreateInfoKhr
{
Hinstance = Instance,
Hwnd = Handle
});
var queueInfo = new DeviceQueueCreateInfo {
QueuePriorities = new [] { 1.0f }
};
var deviceInfo = new DeviceCreateInfo
{
EnabledExtensionNames = new [] { "VK_KHR_swapchain" },
QueueCreateInfos = new [] { queueInfo }
};
var physicalDevice = devices [0];
_device = physicalDevice.CreateDevice(deviceInfo);
_queue = _device.GetQueue(0, 0);
var surfaceCapabilities = physicalDevice.GetSurfaceCapabilitiesKHR(surface);
var surfaceFormat = SelectFormat(physicalDevice, surface);
_swapchain = CreateSwapchain(surface, surfaceCapabilities, surfaceFormat);
var images = _device.GetSwapchainImagesKHR(_swapchain);
var renderPass = CreateRenderPass(surfaceFormat);
var framebuffers = CreateFramebuffers(images, surfaceFormat, surfaceCapabilities, renderPass);
_commandBuffers = CreateCommandBuffers(images, framebuffers, renderPass, surfaceCapabilities);
var fenceInfo = new FenceCreateInfo();
_fences = new [] { _device.CreateFence(fenceInfo) };
var semaphoreInfo = new SemaphoreCreateInfo();
_semaphore = _device.CreateSemaphore(semaphoreInfo);
_initialized = true;
}
private static Device CreateAbstractDevice(PhysicalDevice physicalDevice)
{
var deviceQueueInfo = new DeviceQueueCreateInfo
{
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = new[] { 1f }
};
var deviceInfo = new DeviceCreateInfo
{
Flags = 0,
EnabledLayerCount = 0,
EnabledLayerNames = null,
EnabledExtensionCount = 0,
EnabledExtensionNames = null,
QueueCreateInfoCount = 1,
QueueCreateInfos = new[] { deviceQueueInfo }
};
return(physicalDevice.CreateDevice(deviceInfo));
}
protected Device CreateDevice(PhysicalDevice physicalDevice, uint queueFamily)
{
String[] enabledLayers = new string[]
{
"VK_LAYER_LUNARG_standard_validation"
};
var enabledExtensions = new[]
{
VulkanConstant.KhrSwapchainExtensionName,
};
var features = new PhysicalDeviceFeatures();
features.ShaderClipDistance = true;
features.ShaderCullDistance = true;
var queueCreateInfo = new DeviceQueueCreateInfo(queueFamily, new[] { 0f });
var deviceCreateInfo = new DeviceCreateInfo(new[] { queueCreateInfo }, enabledLayers, enabledExtensions);
deviceCreateInfo.EnabledFeatures = features;
return(physicalDevice.CreateDevice(deviceCreateInfo));
}
public static Device CreateDevice(Vk api, PhysicalDevice physicalDevice, uint queueFamilyIndex, string[] supportedExtensions, uint queueCount)
{
if (queueCount > QueuesCount)
{
queueCount = QueuesCount;
}
float *queuePriorities = stackalloc float[(int)queueCount];
for (int i = 0; i < queueCount; i++)
{
queuePriorities[i] = 1f;
}
var queueCreateInfo = new DeviceQueueCreateInfo()
{
SType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = queueFamilyIndex,
QueueCount = queueCount,
PQueuePriorities = queuePriorities
};
var features = new PhysicalDeviceFeatures()
{
DepthBiasClamp = true,
DepthClamp = true,
DualSrcBlend = true,
FragmentStoresAndAtomics = true,
GeometryShader = true,
ImageCubeArray = true,
IndependentBlend = true,
LogicOp = true,
MultiViewport = true,
PipelineStatisticsQuery = true,
SamplerAnisotropy = true,
ShaderClipDistance = true,
ShaderImageGatherExtended = true,
// ShaderStorageImageReadWithoutFormat = true,
// ShaderStorageImageWriteWithoutFormat = true,
VertexPipelineStoresAndAtomics = true
};
var featuresIndexU8 = new PhysicalDeviceIndexTypeUint8FeaturesEXT()
{
SType = StructureType.PhysicalDeviceIndexTypeUint8FeaturesExt,
IndexTypeUint8 = supportedExtensions.Contains("VK_EXT_index_type_uint8")
};
var featuresTransformFeedback = new PhysicalDeviceTransformFeedbackFeaturesEXT()
{
SType = StructureType.PhysicalDeviceTransformFeedbackFeaturesExt,
PNext = &featuresIndexU8,
TransformFeedback = true
};
var featuresRobustness2 = new PhysicalDeviceRobustness2FeaturesEXT()
{
SType = StructureType.PhysicalDeviceRobustness2FeaturesExt,
PNext = &featuresTransformFeedback,
NullDescriptor = true
};
var featuresVk12 = new PhysicalDeviceVulkan12Features()
{
SType = StructureType.PhysicalDeviceVulkan12Features,
PNext = &featuresRobustness2,
DrawIndirectCount = supportedExtensions.Contains(KhrDrawIndirectCount.ExtensionName)
};
var enabledExtensions = RequiredExtensions.Union(DesirableExtensions.Intersect(supportedExtensions)).ToArray();
IntPtr *ppEnabledExtensions = stackalloc IntPtr[enabledExtensions.Length];
for (int i = 0; i < enabledExtensions.Length; i++)
{
ppEnabledExtensions[i] = Marshal.StringToHGlobalAnsi(enabledExtensions[i]);
}
var deviceCreateInfo = new DeviceCreateInfo()
{
SType = StructureType.DeviceCreateInfo,
PNext = &featuresVk12,
QueueCreateInfoCount = 1,
PQueueCreateInfos = &queueCreateInfo,
PpEnabledExtensionNames = (byte **)ppEnabledExtensions,
EnabledExtensionCount = (uint)enabledExtensions.Length,
PEnabledFeatures = &features
};
api.CreateDevice(physicalDevice, in deviceCreateInfo, null, out var device).ThrowOnError();
for (int i = 0; i < enabledExtensions.Length; i++)
{
Marshal.FreeHGlobal(ppEnabledExtensions[i]);
}
return(device);
}
private unsafe void CreateLogicalDevice()
{
QueueFamilyIndices indices = FindQueueFamilies(_physicalDevice);
uint[] uniqueQueueFamilies = new[] { indices.GraphicsFamily.Value, indices.PresentFamily.Value };
var queueCreateInfos = stackalloc DeviceQueueCreateInfo[uniqueQueueFamilies.Length];
float queuePriority = 1.0f;
for (int i = 0; i < uniqueQueueFamilies.Length; i++)
{
uint queueFamily = uniqueQueueFamilies[i];
var queueCreateInfo = new DeviceQueueCreateInfo
{
SType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = queueFamily,
QueueCount = 1,
PQueuePriorities = &queuePriority
};
queueCreateInfos[i] = queueCreateInfo;
}
var deviceFeatures = new PhysicalDeviceFeatures();
var createInfo = new DeviceCreateInfo
{
SType = StructureType.DeviceCreateInfo,
PQueueCreateInfos = queueCreateInfos,
QueueCreateInfoCount = (uint)uniqueQueueFamilies.Length,
PEnabledFeatures = &deviceFeatures,
EnabledExtensionCount = 0
};
if (EnableValidationLayers)
{
createInfo.EnabledLayerCount = (uint)_validationLayers.Length;
createInfo.PpEnabledLayerNames = (byte **)SilkMarshal.MarshalStringArrayToPtr(_validationLayers);
}
else
{
createInfo.EnabledLayerCount = 0;
}
fixed(Device *device = &_device)
{
Result result = _vk.CreateDevice(_physicalDevice, &createInfo, (AllocationCallbacks *)null, device);
if (result != Result.Success)
{
throw new Exception("Failed to create logical device!");
}
}
fixed(Queue *graphicsQueue = &_graphicsQueue)
{
_vk.GetDeviceQueue(_device, indices.GraphicsFamily.Value, 0, graphicsQueue);
}
fixed(Queue *presentQueue = &_presentQueue)
{
_vk.GetDeviceQueue(_device, indices.PresentFamily.Value, 0, presentQueue);
}
}
public Context(GameWindow window)
{
Window = window;
Instance = ToDispose(VKHelper.CreateInstance());
DebugReportCallback = ToDispose(VKHelper.CreateDebugReportCallback(Instance));
Surface = ToDispose(VKHelper.CreateSurface(Instance, Window.Handle));
foreach (PhysicalDevice physicalDevice in Instance.EnumeratePhysicalDevices())
{
QueueFamilyProperties[] queueFamilyProperties = physicalDevice.GetQueueFamilyProperties();
for (int i = 0; i < queueFamilyProperties.Length; i++)
{
if (queueFamilyProperties[i].QueueFlags.HasFlag(Queues.Graphics))
{
if (GraphicsQueueFamilyIndex == -1)
{
GraphicsQueueFamilyIndex = i;
}
if (ComputeQueueFamilyIndex == -1)
{
ComputeQueueFamilyIndex = i;
}
if (physicalDevice.GetSurfaceSupportKhr(i, Surface) &&
VKHelper.GetPresentationSupport(physicalDevice, i))
{
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.");
}
GenerateDepthStencilFormat();
// Store memory properties of the physical device.
MemoryProperties = PhysicalDevice.GetMemoryProperties();
Features = PhysicalDevice.GetFeatures();
Properties = PhysicalDevice.GetProperties();
// Create a logical device.
bool sameGraphicsAndPresent = GraphicsQueueFamilyIndex == PresentQueueFamilyIndex;
var queueCreateInfos = new DeviceQueueCreateInfo[sameGraphicsAndPresent ? 1 : 2];
queueCreateInfos[0] = new DeviceQueueCreateInfo(GraphicsQueueFamilyIndex, 1, 1.0f);
if (!sameGraphicsAndPresent)
{
queueCreateInfos[1] = new DeviceQueueCreateInfo(PresentQueueFamilyIndex, 1, 1.0f);
}
var deviceCreateInfo = new DeviceCreateInfo(
queueCreateInfos,
new[] { Constant.DeviceExtension.KhrSwapchain, Constant.DeviceExtension.KhrMaintenance1 },
Features);
Device = PhysicalDevice.CreateDevice(deviceCreateInfo);
// Get queue(s).
GraphicsQueue = Device.GetQueue(GraphicsQueueFamilyIndex);
ComputeQueue = ComputeQueueFamilyIndex == GraphicsQueueFamilyIndex
? GraphicsQueue
: Device.GetQueue(ComputeQueueFamilyIndex);
PresentQueue = PresentQueueFamilyIndex == GraphicsQueueFamilyIndex
? GraphicsQueue
: Device.GetQueue(PresentQueueFamilyIndex);
Content = new Content(this);
GraphicsCommandPool = ToDispose(Device.CreateCommandPool(new CommandPoolCreateInfo(GraphicsQueueFamilyIndex, CommandPoolCreateFlags.ResetCommandBuffer)));
ComputeCommandPool = ToDispose(Device.CreateCommandPool(new CommandPoolCreateInfo(ComputeQueueFamilyIndex)));
Graphics = ToDispose(new Graphics(this));
Build();
}
protected virtual void CreateDevice()
{
uint queuePriorities = 0;
var queueCreateInfo = new DeviceQueueCreateInfo
{
StructureType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = new IntPtr(&queuePriorities)
};
var enabledLayerNames = new[]
{
Marshal.StringToHGlobalAnsi("VK_LAYER_LUNARG_standard_validation"),
};
var enabledExtensionNames = new[]
{
Marshal.StringToHGlobalAnsi("VK_KHR_swapchain"),
};
try
{
fixed (void* enabledLayerNamesPointer = &enabledLayerNames[0])
fixed (void* enabledExtensionNamesPointer = &enabledExtensionNames[0])
{
var enabledFeatures = new PhysicalDeviceFeatures
{
ShaderClipDistance = true,
};
var deviceCreateInfo = new DeviceCreateInfo
{
StructureType = StructureType.DeviceCreateInfo,
QueueCreateInfoCount = 1,
QueueCreateInfos = new IntPtr(&queueCreateInfo),
EnabledExtensionCount = (uint)enabledExtensionNames.Length,
EnabledExtensionNames = new IntPtr(enabledExtensionNamesPointer),
EnabledFeatures = new IntPtr(&enabledFeatures)
};
if (validate)
{
deviceCreateInfo.EnabledLayerCount = (uint)enabledLayerNames.Length;
deviceCreateInfo.EnabledLayerNames = new IntPtr(enabledLayerNamesPointer);
}
device = physicalDevice.CreateDevice(ref deviceCreateInfo);
}
}
finally
{
foreach (var enabledExtensionName in enabledExtensionNames)
Marshal.FreeHGlobal(enabledExtensionName);
foreach (var enabledLayerName in enabledLayerNames)
Marshal.FreeHGlobal(enabledLayerName);
}
var queueNodeIndex = physicalDevice.QueueFamilyProperties.
Where((properties, index) => (properties.QueueFlags & QueueFlags.Graphics) != 0 && physicalDevice.GetSurfaceSupport((uint)index, surface)).
Select((properties, index) => index).First();
queue = device.GetQueue(0, (uint)queueNodeIndex);
}
protected virtual void CreateDevice()
{
uint queuePriorities = 0;
var queueCreateInfo = new DeviceQueueCreateInfo
{
StructureType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = new IntPtr(&queuePriorities)
};
var enabledLayerNames = new[]
{
Marshal.StringToHGlobalAnsi("VK_LAYER_LUNARG_standard_validation"),
};
var enabledExtensionNames = new[]
{
Marshal.StringToHGlobalAnsi("VK_KHR_swapchain"),
};
try
{
fixed(void *enabledLayerNamesPointer = &enabledLayerNames[0])
fixed(void *enabledExtensionNamesPointer = &enabledExtensionNames[0])
{
var enabledFeatures = new PhysicalDeviceFeatures
{
ShaderClipDistance = true,
};
var deviceCreateInfo = new DeviceCreateInfo
{
StructureType = StructureType.DeviceCreateInfo,
QueueCreateInfoCount = 1,
QueueCreateInfos = new IntPtr(&queueCreateInfo),
EnabledExtensionCount = (uint)enabledExtensionNames.Length,
EnabledExtensionNames = new IntPtr(enabledExtensionNamesPointer),
EnabledFeatures = new IntPtr(&enabledFeatures)
};
if (validate)
{
deviceCreateInfo.EnabledLayerCount = (uint)enabledLayerNames.Length;
deviceCreateInfo.EnabledLayerNames = new IntPtr(enabledLayerNamesPointer);
}
device = physicalDevice.CreateDevice(ref deviceCreateInfo);
}
}
finally
{
foreach (var enabledExtensionName in enabledExtensionNames)
{
Marshal.FreeHGlobal(enabledExtensionName);
}
foreach (var enabledLayerName in enabledLayerNames)
{
Marshal.FreeHGlobal(enabledLayerName);
}
}
var queueNodeIndex = physicalDevice.QueueFamilyProperties.
Where((properties, index) => (properties.QueueFlags & QueueFlags.Graphics) != 0 && physicalDevice.GetSurfaceSupport((uint)index, surface)).
Select((properties, index) => index).First();
queue = device.GetQueue(0, (uint)queueNodeIndex);
}
public virtual void Initialize(InstanceCreateData data)
{
this.data = data;
var graphicsQueue = new DeviceQueueCreateInfo
{
QueuePriorities = new float[] { 1.0f },
QueueFamilyIndex = (uint)data.queueFamilyIndices.GraphicsFamily
};
var presentQueue = new DeviceQueueCreateInfo
{
QueuePriorities = new float[] { 1.0f },
QueueFamilyIndex = (uint)data.queueFamilyIndices.PresentFamily
};
var deviceInfo = new DeviceCreateInfo
{
EnabledExtensionNames = data.enabledDeviceExtensions,
EnabledExtensionCount = (uint)data.enabledDeviceExtensions.Length,
EnabledLayerNames = data.enabledLayers,
EnabledLayerCount = (data.enabledLayers == null ? 0 : (uint)data.enabledLayers.Length),
QueueCreateInfos = new DeviceQueueCreateInfo[] { graphicsQueue, presentQueue },
EnabledFeatures = new PhysicalDeviceFeatures
{
SamplerAnisotropy = true
}
};
device = data.physicalDevice.CreateDevice(deviceInfo);
this.graphicsQueue = device.GetQueue((uint)data.queueFamilyIndices.GraphicsFamily, 0);
this.presentQueue = device.GetQueue((uint)data.queueFamilyIndices.PresentFamily, 0);
CreateSwapChain();
CreateImageViews();
CreateRenderPass();
CreateDescriptorSetLayout();
CreateGraphicsPipeline();
CreateFrameBuffers();
CreateCommandPool();
CreateBuffers();
CreateDescriptorPool();
CreateDescriptorSets();
CreateCommandBuffers();
CreateSyncObjects();
submitInfo = new SubmitInfo
{
WaitSemaphoreCount = 1,
WaitDstStageMask = waitStages,
CommandBufferCount = 1,
SignalSemaphoreCount = 1,
};
presentInfo = new PresentInfoKhr
{
WaitSemaphoreCount = 1,
SwapchainCount = 1,
};
initialized = running = true;
_lastFrame = DateTime.Now;
Start();
//data.control.ParentForm.ResizeBegin += ResizeBegin;
//data.control.ParentForm.ResizeEnd += ResizeEnd;
}
/// <summary>
/// Construct a Graphics object belonging to a window
/// </summary>
/// <param name="window"></param>
public Graphics(WyvernWindow window)
{
// Argument checks
if (window is null)
{
throw new ArgumentNullException(nameof(window));
}
// Initialize the static part of Graphics if necessary
InitializeStatic();
// Store window
Window = window;
// Create window surface
{
AllocationCallbacks?allocationCallbacks = null;
Surface = new SurfaceKhr(
Instance,
ref allocationCallbacks,
VkGLFW3.VkGlfw.CreateWindowSurface(Instance.Handle, Window, IntPtr.Zero)
);
Surface.PrintDebug();
}
// Choose a physical device
{
PhysicalDevice = Instance.EnumeratePhysicalDevices()
.Where(e => GetDeviceMeetsRequirements(e, Surface))
.OrderByDescending(GetDeviceScore)
.FirstOrDefault();
if (PhysicalDevice is null)
{
throw new InvalidOperationException("No physical device found that meets the requirements for the application");
}
MemoryProperties = PhysicalDevice.GetMemoryProperties();
}
// Create default queue families
{
ComputeQueueFamily = new QueueFamily(
$"{Name}'s {nameof(ComputeQueueFamily)}", this, QueueFamily.QueueType.Compute, 2,
true, ComputeCommandPoolFlags
);
GraphicsQueueFamily = new QueueFamily(
$"{Name}'s {nameof(GraphicsQueueFamily)}", this, QueueFamily.QueueType.Graphics, 2,
true, GraphicsCommandPoolFlags
);
TransferQueueFamily = new QueueFamily(
$"{Name}'s {nameof(TransferQueueFamily)}", this, QueueFamily.QueueType.Transfer, 2,
true, TransferCommandPoolFlags
);
PresentQueueFamily = new QueueFamily(
$"{Name}'s {nameof(PresentQueueFamily)}", this, QueueFamily.QueueType.Present, 1,
false
);
}
// Create a logical device
{
// Generate queue create info structs
var queueCreateInfos = QueueFamilies.Select(queueFamily =>
{
// Generate queue priorities
var priorities = new float[queueFamily.Count];
for (var i = 0; i < priorities.Length; i++)
{
priorities[i] = 1f - (i / (float)(priorities.Length - 1));
}
// Create create info
var createInfo = new DeviceQueueCreateInfo()
{
QueueFamilyIndex = queueFamily.Index,
QueueCount = queueFamily.Count,
QueuePriorities = priorities
};
return(createInfo);
});
// Merge multiple queue families' queue create infos
{
var alreadyHave = new List <int>();
var uniqueCreateInfos = new List <DeviceQueueCreateInfo>();
foreach (var createInfo in queueCreateInfos.OrderByDescending(e => e.QueueCount))
{
if (!alreadyHave.Contains(createInfo.QueueFamilyIndex))
{
alreadyHave.Add(createInfo.QueueFamilyIndex);
uniqueCreateInfos.Add(createInfo);
}
}
queueCreateInfos = uniqueCreateInfos;
foreach (var createInfo in queueCreateInfos)
{
createInfo.PrintDebug();
}
}
// Create device
Device = PhysicalDevice.CreateDevice(new DeviceCreateInfo()
{
EnabledExtensionNames = EnabledDeviceExtensions.ToArray(),
QueueCreateInfos = queueCreateInfos.ToArray(),
EnabledFeatures = EnabledPhysicalDeviceFeatures
});
// Set the queues in the queue families, using those created with the device
foreach (var family in QueueFamilies)
{
var queues = new Queue[family.Count];
for (var i = 0; i < queues.Length; i++)
{
queues[i] = Device.GetQueue(family.Index, i);
}
family.SetQueues(queues);
}
// Create and set the command pools in the queue families
foreach (var family in QueueFamilies)
{
// Skip family that shouldn't have a command pool
if (!family.HasCommandPool)
{
continue;
}
// Create command pool
var commandPool = Device.CreateCommandPool(new CommandPoolCreateInfo()
{
QueueFamilyIndex = family.Index,
Flags = family.CommandPoolFlags
});
family.SetCommandPool(commandPool);
}
}
// Create swapchain
{
// Query supported capabilities and formats
var surfaceCapabilities = SurfaceCapabilities;
var surfaceFormats = SurfaceFormats;
var surfacePresentModes = SurfacePresentModes;
surfaceCapabilities.PrintDebug();
// Choose the best image format and color space
{
var imageFormat = Array.Find(
PreferredSwapchainFormats,
preferred => surfaceFormats.Any(available => available.Format == preferred)
);
if (imageFormat == Format.Undefined)
{
imageFormat = surfaceFormats.FirstOrDefault().Format;
}
if (imageFormat == Format.Undefined)
{
throw new InvalidOperationException("Surface somehow does not support any known image formats");
}
SwapchainImageFormat = imageFormat;
SwapchainColorSpace = surfaceFormats.First(e => e.Format == SwapchainImageFormat).ColorSpace;
}
// Choose the best present mode
{
var presentMode = Array.Find(
PreferredPresentModes,
preferred => surfacePresentModes.Any(available => available == preferred)
);
SwapchainPresentMode = presentMode;
}
// Create the swapchain
SwapchainExtent = surfaceCapabilities.CurrentExtent;
Swapchain = Device.CreateSwapchainKhr(new SwapchainCreateInfoKhr(
surface: Surface,
imageFormat: SwapchainImageFormat,
imageExtent: SwapchainExtent,
preTransform: surfaceCapabilities.CurrentTransform,
presentMode: SwapchainPresentMode,
minImageCount: SurfaceCapabilities.MinImageCount,
imageArrayLayers: SurfaceCapabilities.MaxImageArrayLayers,
imageSharingMode: SharingMode.Exclusive,
imageColorSpace: SwapchainColorSpace
));
SwapchainAttachmentImages = Swapchain.GetImages().Select(
e => new VKImage(
e, SwapchainImageFormat,
SwapchainExtent,
new ImageSubresourceRange(ImageAspects.Color, 0, 1, 0, 1)
)
).ToArray();
Swapchain.PrintDebug();
}
// Create semaphores & fences
{
// Image available semaphore
ImageAvailableSemaphore = Device.CreateSemaphore();
ReadyToPresentSemaphore = Device.CreateSemaphore();
// Swapchain image rendering fences
RenderToImageFences = new Fence[SwapchainAttachmentImages.Length];
for (var i = 0; i < RenderToImageFences.Length; i++)
{
RenderToImageFences[i] = Device.CreateFence(new FenceCreateInfo(flags: FenceCreateFlags.Signaled));
}
}
// Create content collection
{
Content = new ContentCollection(this);
}
// Misc
Stopwatch = Stopwatch.StartNew();
CurrentTime = 0.0;
}
/// <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 != Device.Null)
{
// Destroy previous device
ReleaseDevice();
}
rendererName = Adapter.Description;
PhysicalDeviceProperties physicalDeviceProperties;
NativePhysicalDevice.GetProperties(out physicalDeviceProperties);
ConstantBufferDataPlacementAlignment = (int)physicalDeviceProperties.Limits.MinUniformBufferOffsetAlignment;
RequestedProfile = graphicsProfiles.Last();
var queueProperties = NativePhysicalDevice.QueueFamilyProperties;
// Command lists are thread-safe and execute deferred
IsDeferred = true;
// TODO VULKAN
// Create Vulkan device based on profile
uint queuePriorities = 0;
var queueCreateInfo = new DeviceQueueCreateInfo
{
StructureType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = new IntPtr(&queuePriorities)
};
var enabledFeature = new PhysicalDeviceFeatures
{
FillModeNonSolid = true,
ShaderClipDistance = true,
ShaderCullDistance = true,
SamplerAnisotropy = true,
DepthClamp = true,
};
var extensionProperties = NativePhysicalDevice.GetDeviceExtensionProperties();
var availableExtensionNames = new List <string>();
var desiredExtensionNames = new List <string>();
for (int index = 0; index < extensionProperties.Length; index++)
{
var namePointer = new IntPtr(Interop.Fixed(ref extensionProperties[index].ExtensionName));
var name = Marshal.PtrToStringAnsi(namePointer);
availableExtensionNames.Add(name);
}
desiredExtensionNames.Add("VK_KHR_swapchain");
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;
}
var enabledExtensionNames = desiredExtensionNames.Select(Marshal.StringToHGlobalAnsi).ToArray();
try
{
var deviceCreateInfo = new DeviceCreateInfo
{
StructureType = StructureType.DeviceCreateInfo,
QueueCreateInfoCount = 1,
QueueCreateInfos = new IntPtr(&queueCreateInfo),
EnabledExtensionCount = (uint)enabledExtensionNames.Length,
EnabledExtensionNames = enabledExtensionNames.Length > 0 ? new IntPtr(Interop.Fixed(enabledExtensionNames)) : IntPtr.Zero,
EnabledFeatures = new IntPtr(&enabledFeature)
};
nativeDevice = NativePhysicalDevice.CreateDevice(ref deviceCreateInfo);
}
finally
{
foreach (var enabledExtensionName in enabledExtensionNames)
{
Marshal.FreeHGlobal(enabledExtensionName);
}
}
NativeCommandQueue = nativeDevice.GetQueue(0, 0);
//// Prepare copy command list (start it closed, so that every new use start with a Reset)
var commandPoolCreateInfo = new CommandPoolCreateInfo
{
StructureType = StructureType.CommandPoolCreateInfo,
QueueFamilyIndex = 0, //device.NativeCommandQueue.FamilyIndex
Flags = CommandPoolCreateFlags.ResetCommandBuffer
};
NativeCopyCommandPool = NativeDevice.CreateCommandPool(ref commandPoolCreateInfo);
var commandBufferAllocationInfo = new CommandBufferAllocateInfo
{
StructureType = StructureType.CommandBufferAllocateInfo,
Level = CommandBufferLevel.Primary,
CommandPool = NativeCopyCommandPool,
CommandBufferCount = 1
};
CommandBuffer nativeCommandBuffer;
NativeDevice.AllocateCommandBuffers(ref 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);
}
void CreateDevice()
{
PhysicalDevice[] physical_devices = DelegateUtility.EnumerateToArray <PhysicalDevice> (vk.EnumeratePhysicalDevices, (IntPtr)vulkan.Instance);
if (physical_devices == null)
{
//std::cout << "Error occurred during physical devices enumeration!" << std::endl;
return;
}
uint selected_graphics_queue_family_index = uint.MaxValue;
uint selected_present_queue_family_index = uint.MaxValue;
for (int i = 0; i < physical_devices.Length; ++i)
{
if (CheckPhysicalDeviceProperties(physical_devices[i],
out selected_graphics_queue_family_index, out selected_present_queue_family_index))
{
vulkan.PhysicalDevice = physical_devices[i];
}
}
if (vulkan.PhysicalDevice.IsZero ||
selected_graphics_queue_family_index == uint.MaxValue ||
selected_present_queue_family_index == uint.MaxValue)
{
//std::cout << "Could not select physical device based on the chosen properties!" << std::endl;
return;
}
var queue_create_infos = stackalloc DeviceQueueCreateInfo[2];
uint count = 1;
float *queue_priorities = stackalloc float[1];
queue_priorities[0] = 1.0f;
queue_create_infos[0] = new DeviceQueueCreateInfo
{
sType = StructureType.DeviceQueueCreateInfo, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
flags = 0, // VkDeviceQueueCreateFlagBits flags
queueFamilyIndex = selected_graphics_queue_family_index, // uint32_t queueFamilyIndex
queueCount = 1, // uint32_t queueCount
pQueuePriorities = queue_priorities // const float *pQueuePriorities
};
if (selected_graphics_queue_family_index != selected_present_queue_family_index)
{
queue_create_infos[1] = new DeviceQueueCreateInfo
{
sType = StructureType.DeviceQueueCreateInfo, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
flags = 0, // VkDeviceQueueCreateFlagBits flags
queueFamilyIndex = selected_present_queue_family_index, // uint32_t queueFamilyIndex
queueCount = 1, // uint32_t queueCount
pQueuePriorities = queue_priorities // const float *pQueuePriorities
};
count++;
}
const uint exCount = 1;
var exPtr = MarshalUtility.AllocateString(new string[] { KhrSwapchain.EXTENSION_NAME });
DeviceCreateInfo device_create_info = new DeviceCreateInfo
{
sType = StructureType.DeviceCreateInfo, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
flags = 0, // VkDeviceCreateFlagBits flags
queueCreateInfoCount = count, // uint32_t queueCreateInfoCount
pQueueCreateInfos = queue_create_infos, // const VkDeviceQueueCreateInfo *pQueueCreateInfos
enabledLayerCount = 0, // uint32_t enabledLayerCount
ppEnabledLayerNames = (byte *)0, // const char * const *ppEnabledLayerNames
enabledExtensionCount = exCount, // uint32_t enabledExtensionCount
ppEnabledExtensionNames = (byte *)exPtr, // const char * const *ppEnabledExtensionNames
pEnabledFeatures = (PhysicalDeviceFeatures *)0 // const VkPhysicalDeviceFeatures *pEnabledFeatures
};
vk.CreateDevice(vulkan.PhysicalDevice, ref device_create_info, (AllocationCallbacks *)0, out vulkan.Device).CheckError();
MarshalUtility.FreeString(exPtr, (int)exCount);
}
public VulkanContext(Instance instance, SurfaceKhr 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;
foreach (PhysicalDevice physicalDevice in instance.EnumeratePhysicalDevices())
{
QueueFamilyProperties[] queueFamilyProperties = physicalDevice.GetQueueFamilyProperties();
for (int i = 0; i < queueFamilyProperties.Length; i++)
{
if (queueFamilyProperties[i].QueueFlags.HasFlag(Queues.Graphics))
{
if (graphicsQueueFamilyIndex == -1)
{
graphicsQueueFamilyIndex = i;
}
if (computeQueueFamilyIndex == -1)
{
computeQueueFamilyIndex = i;
}
if (physicalDevice.GetSurfaceSupportKhr(i, surface) &&
GetPresentationSupport(physicalDevice, i))
{
presentQueueFamilyIndex = i;
}
if (graphicsQueueFamilyIndex != -1 &&
computeQueueFamilyIndex != -1 &&
presentQueueFamilyIndex != -1)
{
PhysicalDevice = physicalDevice;
break;
}
}
}
if (PhysicalDevice != null)
{
break;
}
}
bool GetPresentationSupport(PhysicalDevice physicalDevice, int queueFamilyIndex)
{
switch (platform)
{
case Platform.Android:
return(true);
case Platform.Win32:
return(physicalDevice.GetWin32PresentationSupportKhr(queueFamilyIndex));
default:
throw new NotImplementedException();
}
}
if (PhysicalDevice == null)
{
throw new InvalidOperationException("No suitable physical device found.");
}
// Store memory properties of the physical device.
MemoryProperties = PhysicalDevice.GetMemoryProperties();
Features = PhysicalDevice.GetFeatures();
Properties = PhysicalDevice.GetProperties();
// Create a logical device.
bool sameGraphicsAndPresent = graphicsQueueFamilyIndex == presentQueueFamilyIndex;
var queueCreateInfos = new DeviceQueueCreateInfo[sameGraphicsAndPresent ? 1 : 2];
queueCreateInfos[0] = new DeviceQueueCreateInfo(graphicsQueueFamilyIndex, 1, 1.0f);
if (!sameGraphicsAndPresent)
{
queueCreateInfos[1] = new DeviceQueueCreateInfo(presentQueueFamilyIndex, 1, 1.0f);
}
var deviceCreateInfo = new DeviceCreateInfo(
queueCreateInfos,
new[] { Constant.DeviceExtension.KhrSwapchain },
Features);
Device = PhysicalDevice.CreateDevice(deviceCreateInfo);
// Get queue(s).
GraphicsQueue = Device.GetQueue(graphicsQueueFamilyIndex);
ComputeQueue = computeQueueFamilyIndex == graphicsQueueFamilyIndex
? GraphicsQueue
: Device.GetQueue(computeQueueFamilyIndex);
PresentQueue = presentQueueFamilyIndex == graphicsQueueFamilyIndex
? GraphicsQueue
: Device.GetQueue(presentQueueFamilyIndex);
// Create command pool(s).
GraphicsCommandPool = Device.CreateCommandPool(new CommandPoolCreateInfo(graphicsQueueFamilyIndex));
ComputeCommandPool = Device.CreateCommandPool(new CommandPoolCreateInfo(computeQueueFamilyIndex));
}
public static Device CreateDevice(Vk api, PhysicalDevice physicalDevice, uint queueFamilyIndex, string[] supportedExtensions, uint queueCount)
{
if (queueCount > QueuesCount)
{
queueCount = QueuesCount;
}
float *queuePriorities = stackalloc float[(int)queueCount];
for (int i = 0; i < queueCount; i++)
{
queuePriorities[i] = 1f;
}
var queueCreateInfo = new DeviceQueueCreateInfo()
{
SType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = queueFamilyIndex,
QueueCount = queueCount,
PQueuePriorities = queuePriorities
};
api.GetPhysicalDeviceProperties(physicalDevice, out var properties);
bool useRobustBufferAccess = VendorUtils.FromId(properties.VendorID) == Vendor.Nvidia;
var supportedFeatures = api.GetPhysicalDeviceFeature(physicalDevice);
var features = new PhysicalDeviceFeatures()
{
DepthBiasClamp = true,
DepthClamp = true,
DualSrcBlend = true,
FragmentStoresAndAtomics = true,
GeometryShader = true,
ImageCubeArray = true,
IndependentBlend = true,
LogicOp = true,
MultiViewport = true,
PipelineStatisticsQuery = true,
SamplerAnisotropy = true,
ShaderClipDistance = true,
ShaderFloat64 = supportedFeatures.ShaderFloat64,
ShaderImageGatherExtended = true,
// ShaderStorageImageReadWithoutFormat = true,
// ShaderStorageImageWriteWithoutFormat = true,
TessellationShader = true,
VertexPipelineStoresAndAtomics = true,
RobustBufferAccess = useRobustBufferAccess
};
void *pExtendedFeatures = null;
var featuresTransformFeedback = new PhysicalDeviceTransformFeedbackFeaturesEXT()
{
SType = StructureType.PhysicalDeviceTransformFeedbackFeaturesExt,
PNext = pExtendedFeatures,
TransformFeedback = true
};
pExtendedFeatures = &featuresTransformFeedback;
var featuresRobustness2 = new PhysicalDeviceRobustness2FeaturesEXT()
{
SType = StructureType.PhysicalDeviceRobustness2FeaturesExt,
PNext = pExtendedFeatures,
NullDescriptor = true
};
pExtendedFeatures = &featuresRobustness2;
var featuresExtendedDynamicState = new PhysicalDeviceExtendedDynamicStateFeaturesEXT()
{
SType = StructureType.PhysicalDeviceExtendedDynamicStateFeaturesExt,
PNext = pExtendedFeatures,
ExtendedDynamicState = supportedExtensions.Contains(ExtExtendedDynamicState.ExtensionName)
};
pExtendedFeatures = &featuresExtendedDynamicState;
var featuresVk11 = new PhysicalDeviceVulkan11Features()
{
SType = StructureType.PhysicalDeviceVulkan11Features,
PNext = pExtendedFeatures,
ShaderDrawParameters = true
};
pExtendedFeatures = &featuresVk11;
var featuresVk12 = new PhysicalDeviceVulkan12Features()
{
SType = StructureType.PhysicalDeviceVulkan12Features,
PNext = pExtendedFeatures,
DescriptorIndexing = supportedExtensions.Contains("VK_EXT_descriptor_indexing"),
DrawIndirectCount = supportedExtensions.Contains(KhrDrawIndirectCount.ExtensionName)
};
pExtendedFeatures = &featuresVk12;
PhysicalDeviceIndexTypeUint8FeaturesEXT featuresIndexU8;
if (supportedExtensions.Contains("VK_EXT_index_type_uint8"))
{
featuresIndexU8 = new PhysicalDeviceIndexTypeUint8FeaturesEXT()
{
SType = StructureType.PhysicalDeviceIndexTypeUint8FeaturesExt,
PNext = pExtendedFeatures,
IndexTypeUint8 = true
};
pExtendedFeatures = &featuresIndexU8;
}
PhysicalDeviceFragmentShaderInterlockFeaturesEXT featuresFragmentShaderInterlock;
if (supportedExtensions.Contains("VK_EXT_fragment_shader_interlock"))
{
featuresFragmentShaderInterlock = new PhysicalDeviceFragmentShaderInterlockFeaturesEXT()
{
SType = StructureType.PhysicalDeviceFragmentShaderInterlockFeaturesExt,
PNext = pExtendedFeatures,
FragmentShaderPixelInterlock = true
};
pExtendedFeatures = &featuresFragmentShaderInterlock;
}
PhysicalDeviceSubgroupSizeControlFeaturesEXT featuresSubgroupSizeControl;
if (supportedExtensions.Contains("VK_EXT_subgroup_size_control"))
{
featuresSubgroupSizeControl = new PhysicalDeviceSubgroupSizeControlFeaturesEXT()
{
SType = StructureType.PhysicalDeviceSubgroupSizeControlFeaturesExt,
PNext = pExtendedFeatures,
SubgroupSizeControl = true
};
pExtendedFeatures = &featuresSubgroupSizeControl;
}
var enabledExtensions = RequiredExtensions.Union(DesirableExtensions.Intersect(supportedExtensions)).ToArray();
IntPtr *ppEnabledExtensions = stackalloc IntPtr[enabledExtensions.Length];
for (int i = 0; i < enabledExtensions.Length; i++)
{
ppEnabledExtensions[i] = Marshal.StringToHGlobalAnsi(enabledExtensions[i]);
}
var deviceCreateInfo = new DeviceCreateInfo()
{
SType = StructureType.DeviceCreateInfo,
PNext = pExtendedFeatures,
QueueCreateInfoCount = 1,
PQueueCreateInfos = &queueCreateInfo,
PpEnabledExtensionNames = (byte **)ppEnabledExtensions,
EnabledExtensionCount = (uint)enabledExtensions.Length,
PEnabledFeatures = &features
};
api.CreateDevice(physicalDevice, in deviceCreateInfo, null, out var device).ThrowOnError();
for (int i = 0; i < enabledExtensions.Length; i++)
{
Marshal.FreeHGlobal(ppEnabledExtensions[i]);
}
return(device);
}
