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using System;
using Vulkan;
using static Vulkan.Vk;
using static Vulkan.Utils;
using System.Linq;
using System.Runtime.InteropServices;
namespace tests
{
class Program
{
static void Main(string[] args)
{
VkInstance inst;
using (VkApplicationInfo ai = new VkApplicationInfo (
new Vulkan.Version(1,2,0),
new Vulkan.Version(1,2,0),
new Vulkan.Version(1,3,0)
)) {
using (PinnedObjects po = new PinnedObjects()) {
IntPtr[] instanceExts = {Ext.I.VK_KHR_get_physical_device_properties2.Pin(po)};
IntPtr[] layers = {"VK_LAYER_KHRONOS_validation".Pin(po)};
using (VkInstanceCreateInfo ci = new VkInstanceCreateInfo {
pApplicationInfo = ai,
enabledExtensionCount = 1,
enabledLayerCount = 1,
ppEnabledExtensionNames = instanceExts.Pin(po),
ppEnabledLayerNames = layers.Pin(po)}){
CheckResult (vkCreateInstance (ci, IntPtr.Zero, out inst));
}
}
}
Vk.LoadInstanceFunctionPointers (inst);
CheckResult (vkEnumerateInstanceVersion(out uint apiVersion));
Console.WriteLine ($"Vulkan api version: {(Vulkan.Version)apiVersion})");
if (!TryGetPhysicalDevice (inst, VkPhysicalDeviceType.DiscreteGpu, out VkPhysicalDevice phy))
if (!TryGetPhysicalDevice (inst, VkPhysicalDeviceType.IntegratedGpu, out phy))
if (!TryGetPhysicalDevice (inst, VkPhysicalDeviceType.Cpu, out phy))
throw new Exception ("no suitable physical device found");
foreach (VkPhysicalDeviceToolProperties toolProp in GetToolProperties(phy)) {
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine ($"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;
VkPhysicalDeviceProperties2 phyProps2 = VkPhysicalDeviceProperties2.New;
using (var vk11 = new PNext<VkPhysicalDeviceVulkan11Properties>()) {
phyProps2.pNext = vk11;
vkGetPhysicalDeviceProperties2(phy, ref phyProps2);
Console.WriteLine($"SupportedStages: {vk11.Val.subgroupSupportedStages}" );
}
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);
}
}
}
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