private void CreateInstance()
{
#if DEBUG
if (!this.CheckValidationLayerSupport())
{
throw new Exception("Validation layers requested, but not available!");
}
#endif
VkApplicationInfo appInfo = new VkApplicationInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_APPLICATION_INFO,
pApplicationName = "Hello Triangle".ToPointer(),
applicationVersion = Helpers.Version(1, 0, 0),
pEngineName = "No Engine".ToPointer(),
engineVersion = Helpers.Version(1, 0, 0),
apiVersion = Helpers.Version(1, 2, 0),
};
VkInstanceCreateInfo createInfo = default;
createInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
// Extensions
this.GetAllInstanceExtensionsAvailables();
IntPtr *extensionsToBytesArray = stackalloc IntPtr[extensions.Length];
for (int i = 0; i < extensions.Length; i++)
{
extensionsToBytesArray[i] = Marshal.StringToHGlobalAnsi(extensions[i]);
}
createInfo.enabledExtensionCount = (uint)extensions.Length;
createInfo.ppEnabledExtensionNames = (byte **)extensionsToBytesArray;
// Validation layers
#if DEBUG
IntPtr *layersToBytesArray = stackalloc IntPtr[validationLayers.Length];
for (int i = 0; i < validationLayers.Length; i++)
{
layersToBytesArray[i] = Marshal.StringToHGlobalAnsi(validationLayers[i]);
}
createInfo.enabledLayerCount = (uint)validationLayers.Length;
createInfo.ppEnabledLayerNames = (byte **)layersToBytesArray;
#else
createInfo.enabledLayerCount = 0;
createInfo.pNext = null;
#endif
fixed(VkInstance *instancePtr = &instance)
{
Helpers.CheckErrors(VulkanNative.vkCreateInstance(&createInfo, null, instancePtr));
VulkanNative.LoadFuncionPointers(instance);
}
}
private void CreateInstance()
{
////var availableExtensions = EnumerateInstanceExtensions();
////var availableLayers = EnumerateInstanceLayers();
VkApplicationInfo appInfo = new VkApplicationInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_APPLICATION_INFO,
pApplicationName = "Hello Triangle".ToPointer(),
pEngineName = "WaveEngine".ToPointer(),
engineVersion = Helpers.Version(3, 0, 0),
};
string[] extensions = new string[]
{
"VK_KHR_surface",
"VK_KHR_win32_surface",
"VK_EXT_debug_report",
};
IntPtr *extensionsToEnableArray = stackalloc IntPtr[extensions.Length];
for (int i = 0; i < extensions.Length; i++)
{
string extension = extensions[i];
extensionsToEnableArray[i] = Marshal.StringToHGlobalAnsi(extension);
}
string[] layers = new string[]
{
"VK_LAYER_LUNARG_standard_validation"
};
IntPtr *layersToEnableArray = stackalloc IntPtr[layers.Length];
for (int i = 0; i < layers.Length; i++)
{
string layer = layers[i];
layersToEnableArray[i] = Marshal.StringToHGlobalAnsi(layer);
}
VkInstanceCreateInfo createInfo = new VkInstanceCreateInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
ppEnabledExtensionNames = (byte **)extensionsToEnableArray,
enabledExtensionCount = (uint)extensions.Length,
enabledLayerCount = (uint)layers.Length,
ppEnabledLayerNames = (byte **)layersToEnableArray,
pApplicationInfo = &appInfo,
};
VkInstance newInstance;
var result = VulkanNative.vkCreateInstance(&createInfo, null, &newInstance);
this.vkInstance = newInstance;
Helpers.CheckErrors(result);
for (int i = 0; i < extensions.Length; i++)
{
Marshal.FreeHGlobal(extensionsToEnableArray[i]);
}
for (int i = 0; i < layers.Length; i++)
{
Marshal.FreeHGlobal(layersToEnableArray[i]);
}
EnableDebugCallback();
}
public VkInstance CreateInstance()
{
VkApplicationInfo AppInfo = new VkApplicationInfo()
{
sType = VkStructureType.ApplicationInfo,
apiVersion = new Version(1, 0, 0),
applicationVersion = new Version(0, 0, 1),
engineVersion = new Version(0, 0, 2),
pApplicationName = Interop.String.ToPointer("Zeckoxe Engine"),
pEngineName = Interop.String.ToPointer("Zeckoxe"),
};
if (Parameters.Settings.Validation)
{
// TODO:
}
EnumerateInstanceExtensions = Tools.EnumerateInstanceExtensions();
if (EnumerateInstanceExtensions.Contains("VK_KHR_surface"))
{
InstanceExtensions.Add("VK_KHR_surface");
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
if (EnumerateInstanceExtensions.Contains("VK_KHR_win32_surface"))
{
InstanceExtensions.Add("VK_KHR_win32_surface");
}
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
if (EnumerateInstanceExtensions.Contains("VK_MVK_macos_surface"))
{
InstanceExtensions.Add("VK_MVK_macos_surface");
}
if (EnumerateInstanceExtensions.Contains("VK_MVK_ios_surface"))
{
InstanceExtensions.Add("VK_MVK_ios_surface");
}
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
if (EnumerateInstanceExtensions.Contains("VK_KHR_android_surface"))
{
InstanceExtensions.Add("VK_KHR_android_surface");
}
if (EnumerateInstanceExtensions.Contains("VK_KHR_xlib_surface"))
{
InstanceExtensions.Add("VK_KHR_xlib_surface");
}
if (EnumerateInstanceExtensions.Contains("VK_KHR_wayland_surface"))
{
InstanceExtensions.Add("VK_KHR_wayland_surface");
}
}
VkInstanceCreateInfo instanceCreateInfo = new VkInstanceCreateInfo()
{
sType = VkStructureType.InstanceCreateInfo,
pNext = null,
pApplicationInfo = &AppInfo,
enabledExtensionCount = (uint)InstanceExtensions.Count(),
ppEnabledExtensionNames = Interop.String.AllocToPointers(InstanceExtensions.ToArray()),
};
VkInstance instance;
VulkanNative.vkCreateInstance(&instanceCreateInfo, (VkAllocationCallbacks *)null, &instance);
return(instance);
}
public unsafe GraphicsService()
{
//create vulkan info
var applicationInfo = new VkApplicationInfo
{
sType = VkStructureType.ApplicationInfo,
apiVersion = new VkVersion(1, 0, 0),
applicationVersion = new VkVersion(1, 0, 0),
engineVersion = new VkVersion(1, 0, 0),
pApplicationName = new FixedUtf8String("Tortuga"),
pEngineName = new FixedUtf8String("Tortuga")
};
//vulkan extensions
var instanceExtensions = new NativeList <IntPtr>();
instanceExtensions.Add(GraphicsApiConstants.VK_KHR_SURFACE_EXTENSION_NAME);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
instanceExtensions.Add(GraphicsApiConstants.VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
instanceExtensions.Add(GraphicsApiConstants.VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
instanceExtensions.Add(GraphicsApiConstants.VK_MVK_SURFACE_EXTENSION_NAME);
}
else
{
throw new NotSupportedException("This platform is not supported");
}
if (Settings.IsGraphicsApiDebugingEnabled)
{
instanceExtensions.Add(GraphicsApiConstants.VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
}
//vulkan validation layers
var validationLayer = new NativeList <IntPtr>();
if (Settings.IsGraphicsApiDebugingEnabled)
{
uint supportedLayersCount;
VulkanNative.vkEnumerateInstanceLayerProperties(&supportedLayersCount, null);
var supportedLayers = new NativeList <VkLayerProperties>(supportedLayersCount);
supportedLayers.Count = supportedLayersCount;
VulkanNative.vkEnumerateInstanceLayerProperties(
&supportedLayersCount,
(VkLayerProperties *)supportedLayers.Data.ToPointer()
);
foreach (var vl in supportedLayers)
{
var validationName = Encoding.ASCII.GetString(vl.layerName, 256).Replace("\0", "");
Console.WriteLine($"Supported Validation Layer: {validationName}");
validationLayer.Add(new IntPtr(vl.layerName));
}
}
var instanceInfo = new VkInstanceCreateInfo
{
sType = VkStructureType.InstanceCreateInfo,
pApplicationInfo = &applicationInfo,
enabledExtensionCount = instanceExtensions.Count,
ppEnabledExtensionNames = (byte **)instanceExtensions.Data,
enabledLayerCount = validationLayer.Count,
ppEnabledLayerNames = (byte **)validationLayer.Data
};
VkInstance instance;
if (VulkanNative.vkCreateInstance(
&instanceInfo,
null,
&instance
) != VkResult.Success)
{
throw new Exception("failed to initialize graphics api");
}
_handle = instance;
if (Settings.IsGraphicsApiDebugingEnabled)
{
if (CreateDebugReportCallback(
GetVulkanDebugFlags
) != VkResult.Success)
{
throw new Exception("failed to start graphics api debugger");
}
}
//get vulkan physical device list
uint deviceCount = 0;
if (VulkanNative.vkEnumeratePhysicalDevices(
_handle,
ref deviceCount,
null
) != VkResult.Success)
{
throw new Exception("could not get physical devices");
}
var physicalDevices = new NativeList <VkPhysicalDevice>(deviceCount);
physicalDevices.Count = deviceCount;
if (VulkanNative.vkEnumeratePhysicalDevices(
_handle,
ref deviceCount,
(VkPhysicalDevice *)physicalDevices.Data.ToPointer()
) != VkResult.Success)
{
throw new Exception("could not get physical devices");
}
//setup devices
_devices = new List <Device>();
for (int i = 0; i < deviceCount; i++)
{
_devices.Add(new Device(physicalDevices[i]));
}
//sort devices with best to worst
_devices.Sort((a, b) => b.Score.CompareTo(a.Score));
}
