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 LoadFeatures(string[] supportedExtensions, uint maxQueueCount, uint queueFamilyIndex) { FormatCapabilities = new FormatCapabilities(Api, _physicalDevice); var supportedFeatures = Api.GetPhysicalDeviceFeature(_physicalDevice); if (Api.TryGetDeviceExtension(_instance, _device, out ExtConditionalRendering conditionalRenderingApi)) { ConditionalRenderingApi = conditionalRenderingApi; } if (Api.TryGetDeviceExtension(_instance, _device, out ExtExtendedDynamicState extendedDynamicStateApi)) { ExtendedDynamicStateApi = extendedDynamicStateApi; } if (Api.TryGetDeviceExtension(_instance, _device, out KhrPushDescriptor pushDescriptorApi)) { PushDescriptorApi = pushDescriptorApi; } if (Api.TryGetDeviceExtension(_instance, _device, out ExtTransformFeedback transformFeedbackApi)) { TransformFeedbackApi = transformFeedbackApi; } if (Api.TryGetDeviceExtension(_instance, _device, out KhrDrawIndirectCount drawIndirectCountApi)) { DrawIndirectCountApi = drawIndirectCountApi; } if (maxQueueCount >= 2) { Api.GetDeviceQueue(_device, queueFamilyIndex, 1, out var backgroundQueue); BackgroundQueue = backgroundQueue; BackgroundQueueLock = new object(); } PhysicalDeviceProperties2 properties2 = new PhysicalDeviceProperties2() { SType = StructureType.PhysicalDeviceProperties2 }; PhysicalDeviceSubgroupSizeControlPropertiesEXT propertiesSubgroupSizeControl = new PhysicalDeviceSubgroupSizeControlPropertiesEXT() { SType = StructureType.PhysicalDeviceSubgroupSizeControlPropertiesExt }; if (Capabilities.SupportsSubgroupSizeControl) { properties2.PNext = &propertiesSubgroupSizeControl; } bool supportsTransformFeedback = supportedExtensions.Contains(ExtTransformFeedback.ExtensionName); PhysicalDeviceTransformFeedbackPropertiesEXT propertiesTransformFeedback = new PhysicalDeviceTransformFeedbackPropertiesEXT() { SType = StructureType.PhysicalDeviceTransformFeedbackPropertiesExt }; if (supportsTransformFeedback) { propertiesTransformFeedback.PNext = properties2.PNext; properties2.PNext = &propertiesTransformFeedback; } Api.GetPhysicalDeviceProperties2(_physicalDevice, &properties2); PhysicalDeviceFeatures2 features2 = new PhysicalDeviceFeatures2() { SType = StructureType.PhysicalDeviceFeatures2 }; PhysicalDeviceRobustness2FeaturesEXT featuresRobustness2 = new PhysicalDeviceRobustness2FeaturesEXT() { SType = StructureType.PhysicalDeviceRobustness2FeaturesExt }; if (supportedExtensions.Contains("VK_EXT_robustness2")) { features2.PNext = &featuresRobustness2; } Api.GetPhysicalDeviceFeatures2(_physicalDevice, &features2); Capabilities = new HardwareCapabilities( supportedExtensions.Contains("VK_EXT_index_type_uint8"), supportedExtensions.Contains("VK_EXT_custom_border_color"), supportedExtensions.Contains(KhrDrawIndirectCount.ExtensionName), supportedExtensions.Contains("VK_EXT_fragment_shader_interlock"), supportedExtensions.Contains("VK_NV_geometry_shader_passthrough"), supportedExtensions.Contains("VK_EXT_subgroup_size_control"), supportedExtensions.Contains(ExtConditionalRendering.ExtensionName), supportedExtensions.Contains(ExtExtendedDynamicState.ExtensionName), features2.Features.MultiViewport, featuresRobustness2.NullDescriptor, supportedExtensions.Contains(KhrPushDescriptor.ExtensionName), supportsTransformFeedback, propertiesTransformFeedback.TransformFeedbackQueries, supportedFeatures.GeometryShader, propertiesSubgroupSizeControl.MinSubgroupSize, propertiesSubgroupSizeControl.MaxSubgroupSize, propertiesSubgroupSizeControl.RequiredSubgroupSizeStages); ref var properties = ref properties2.Properties;
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); }