public static VkDevice Create(Settings settings, VkPhysicalDeviceFeatures enabledFeatures, CStringList enabledExtensions,
VkQueueFlags requestedQueueTypes = VkQueueFlags.Graphics | VkQueueFlags.Compute | VkQueueFlags.Transfer)
{
instanceExtensions.Add(Vulkan.KHRSurfaceExtensionName);
instanceExtensions.Add(Vulkan.KHRGetPhysicalDeviceProperties2ExtensionName);
enabledExtensions.Add(Vulkan.KHRMaintenance1ExtensionName);
enabledExtensions.Add(Vulkan.EXTInlineUniformBlockExtensionName);
//enabledExtensions.Add(Strings.VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT_EXT);
CreateInstance(settings);
// Physical Device
var physicalDevices = Vulkan.vkEnumeratePhysicalDevices(VkInstance);
// TODO: Implement arg parsing, etc.
int selectedDevice = 0;
PhysicalDevice = physicalDevices[selectedDevice];
Debug.Assert(PhysicalDevice.Handle != IntPtr.Zero);
vkGetPhysicalDeviceProperties(PhysicalDevice, out VkPhysicalDeviceProperties properties);
Properties = properties;
vkGetPhysicalDeviceFeatures(PhysicalDevice, out VkPhysicalDeviceFeatures features);
Features = features;
if (features.tessellationShader)
{
enabledFeatures.tessellationShader = true;
}
if (features.multiDrawIndirect)
{
enabledFeatures.multiDrawIndirect = true;
}
// Enable anisotropic filtering if supported
if (features.samplerAnisotropy)
{
enabledFeatures.samplerAnisotropy = true;
}
// Enable texture compression
if (features.textureCompressionBC)
{
enabledFeatures.textureCompressionBC = true;
}
else if (features.textureCompressionASTC_LDR)
{
enabledFeatures.textureCompressionASTC_LDR = true;
}
else if (features.textureCompressionETC2)
{
enabledFeatures.textureCompressionETC2 = true;
}
if (features.sparseBinding && features.sparseResidencyImage2D)
{
enabledFeatures.shaderResourceResidency = true;
enabledFeatures.shaderResourceMinLod = true;
enabledFeatures.sparseBinding = true;
enabledFeatures.sparseResidencyImage2D = true;
}
else
{
Log.Warn("Sparse binding not supported");
}
// Memory properties are used regularly for creating all kinds of buffers
VkPhysicalDeviceMemoryProperties memoryProperties;
vkGetPhysicalDeviceMemoryProperties(PhysicalDevice, out memoryProperties);
MemoryProperties = memoryProperties;
var qf = Vulkan.vkGetPhysicalDeviceQueueFamilyProperties(PhysicalDevice);
QueueFamilyProperties.Add(qf);
var extensions = Vulkan.vkEnumerateDeviceExtensionProperties(PhysicalDevice);
foreach (var ext in extensions)
{
string strExt = UTF8String.FromPointer(ext.extensionName);
//enabledExtensions.Add((IntPtr)ext.extensionName);
supportedExtensions.Add(strExt);
}
device = CreateLogicalDevice(Features, enabledExtensions, true, requestedQueueTypes);
if (device != VkDevice.Null)
{
VkPipelineCacheCreateInfo pipelineCacheCreateInfo = new VkPipelineCacheCreateInfo()
{
sType = VkStructureType.PipelineCacheCreateInfo
};
VulkanUtil.CheckResult(vkCreatePipelineCache(device, &pipelineCacheCreateInfo, null, out pipelineCache));
}
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));
}