public ComputeShader(Vk vk, Instance instance, Device device, PhysicalDevice physicalDevice, PipelineLayout pipelineLayout, ReadOnlySpan <byte> data, string functionName, SpecializationInfo *specializationInfo)
{
var subgroupProperties = new PhysicalDeviceSubgroupProperties(pNext: null);
var properties = new PhysicalDeviceProperties2(pNext: &subgroupProperties);
vk.GetPhysicalDeviceProperties2(physicalDevice, &properties);
var subgroupSize = subgroupProperties.SubgroupSize;
Console.WriteLine($"Detected subgroup size {subgroupSize}");
var data2 = new byte[data.Length + 32];
data.CopyTo(data2);
_vk = vk;
_device = device;
ShaderModule shaderModule;
fixed(byte *pData = data2)
_vk.CreateShaderModule(_device, new ShaderModuleCreateInfo(codeSize: (nuint)data.Length, pCode: (uint *)pData),
null, out shaderModule).ThrowCode();
try
{
var pName = SilkMarshal.StringToPtr(functionName);
try
{
PipelineCreateFlags flags = 0;
_vk.CreateComputePipelines(_device, default, 1, new ComputePipelineCreateInfo(flags: flags
, layout: pipelineLayout,
stage: new PipelineShaderStageCreateInfo(stage: ShaderStageFlags.ShaderStageComputeBit,
module: shaderModule, pName: (byte *)pName, pSpecializationInfo: specializationInfo)), null, out _pipeline).ThrowCode();
}
/// <summary>To be added.</summary>
public unsafe PhysicalDeviceProperties2 GetPhysicalDeviceProperties2([Count(Count = 0)] PhysicalDevice physicalDevice)
{
// ReturnTypeOverloader
PhysicalDeviceProperties2 ret = default;
GetPhysicalDeviceProperties2(physicalDevice, &ret);
return(ret);
}
public unsafe RayTracingProperties(Api api)
{
_accelProps.Value.SType = StructureType.PhysicalDeviceAccelerationStructurePropertiesKhr;
_pipelineProps.Value.SType = StructureType.PhysicalDeviceRayTracingPipelinePropertiesKhr;
_pipelineProps.Value.PNext = _accelProps.Ptr;
var props = new PhysicalDeviceProperties2();
props.SType = StructureType.PhysicalDeviceProperties2;
props.PNext = _pipelineProps.Ptr;
api.Vk.GetPhysicalDeviceProperties2(api.Device.PhysicalDevice, &props);
}
public static void GetVkPhysicalDeviceProperties2(Vk vk, PhysicalDevice device, out PhysicalDeviceProperties2 deviceProperties, out PhysicalDeviceDriverProperties driverProperties)
{
driverProperties = new PhysicalDeviceDriverProperties
{
SType = StructureType.PhysicalDeviceDriverProperties,
};
fixed(PhysicalDeviceDriverProperties *props = &driverProperties)
{
deviceProperties = new PhysicalDeviceProperties2
{
PNext = props
};
}
fixed(PhysicalDeviceProperties2 *props = &deviceProperties)
{
vk.GetPhysicalDeviceProperties2(device, props);
}
}
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 abstract void GetPhysicalDeviceProperties2([Count(Count = 0)] PhysicalDevice physicalDevice, [Count(Count = 0), Flow(FlowDirection.Out)] out PhysicalDeviceProperties2 pProperties);
public unsafe VulkanRenderer(UserSettings userSettings, Window window, IScene scene, CameraInitialState cameraInitialState, ILogger logger, bool enableDebugLogging)
{
_userSettings = userSettings;
_window = window;
_api = new Api(enableDebugLogging, logger);
_presentMode = _userSettings.VSync ? PresentModeKHR.PresentModeFifoKhr : PresentModeKHR.PresentModeImmediateKhr;
_api.Instance = new Instance(_api, _window, new Version32(1, 2, 0));
_surface = new Surface(_api, _window, _api.Instance);
// Find the vulkan device we want
var physicalDevice = _api.Instance.PhysicalDevices.Where(d =>
{
_api.Vk.GetPhysicalDeviceFeatures(d, out var deviceFeatures);
if (deviceFeatures.GeometryShader == false)
{
return(false);
}
var queueFamilies = Enumerate.Get <PhysicalDevice, QueueFamilyProperties>(d, (device, count, values) =>
_api.Vk.GetPhysicalDeviceQueueFamilyProperties(device, (uint *)count, (QueueFamilyProperties *)values));
for (var i = 0; i < queueFamilies.Count; i++)
{
if (queueFamilies[i].QueueCount > 0 && queueFamilies[i].QueueFlags.HasFlag(QueueFlags.QueueGraphicsBit))
{
return(true);
}
}
return(false);
}).FirstOrDefault();
if (physicalDevice.Handle == 0)
{
throw new Exception($"{nameof(VulkanRenderer)}: Could not find a suitable graphics device.");
}
var deviceProps = new PhysicalDeviceProperties2();
deviceProps.SType = StructureType.PhysicalDeviceProperties2;
_api.Vk.GetPhysicalDeviceProperties2(physicalDevice, &deviceProps);
_api.Logger.Debug($"{nameof(VulkanRenderer)}: Setting physical device: {deviceProps.Properties.DeviceID} ({Marshal.PtrToStringAnsi((nint)deviceProps.Properties.DeviceName)})");
// Opt-in into mandatory device features.
var shaderClockFeatures = new PhysicalDeviceShaderClockFeaturesKHR();
shaderClockFeatures.SType = StructureType.PhysicalDeviceShaderClockFeaturesKhr;
shaderClockFeatures.PNext = null;
shaderClockFeatures.ShaderSubgroupClock = true;
var deviceFeatures = new PhysicalDeviceFeatures();
deviceFeatures.FillModeNonSolid = true;
deviceFeatures.SamplerAnisotropy = true;
deviceFeatures.ShaderInt64 = true;
// Required device features.
var bufferDeviceAddressFeatures = new PhysicalDeviceBufferDeviceAddressFeatures();
bufferDeviceAddressFeatures.SType = StructureType.PhysicalDeviceBufferDeviceAddressFeatures;
bufferDeviceAddressFeatures.PNext = &shaderClockFeatures;
bufferDeviceAddressFeatures.BufferDeviceAddress = true;
var indexingFeatures = new PhysicalDeviceDescriptorIndexingFeatures();
indexingFeatures.SType = StructureType.PhysicalDeviceDescriptorIndexingFeatures;
indexingFeatures.PNext = &bufferDeviceAddressFeatures;
indexingFeatures.RuntimeDescriptorArray = true;
indexingFeatures.ShaderSampledImageArrayNonUniformIndexing = true;
var accelerationStructureFeatures = new PhysicalDeviceAccelerationStructureFeaturesKHR();
accelerationStructureFeatures.SType = StructureType.PhysicalDeviceAccelerationStructureFeaturesKhr;
accelerationStructureFeatures.PNext = &indexingFeatures;
accelerationStructureFeatures.AccelerationStructure = true;
var rayTracingFeatures = new PhysicalDeviceRayTracingPipelineFeaturesKHR();
rayTracingFeatures.SType = StructureType.PhysicalDeviceRayTracingPipelineFeaturesKhr;
rayTracingFeatures.PNext = &accelerationStructureFeatures;
rayTracingFeatures.RayTracingPipeline = true;
_api.Device = new Device(_api, physicalDevice, _surface, deviceFeatures, Unsafe.AsPointer(ref rayTracingFeatures));
// Now that we have an instance and a device, load all of the extentions we need.
_api.InitializeExtensions();
_commandPool = new CommandPool(_api, _api.Device.GraphicsFamilyIndex, true);
_rayTracingProperties = new RayTracingProperties(_api);
// Load the scene, and create the swap chain / command buffers
LoadScene(scene, cameraInitialState);
_currentFrame = 0;
_api.Device.WaitIdle();
}
