internal Window(
string title,
INativeWindow nativeWindow,
SurfaceKhr surface,
HostDevice hostDevice,
HostDeviceRequirements deviceRequirements,
Logger logger = null)
{
if (nativeWindow == null)
{
throw new ArgumentNullException(nameof(nativeWindow));
}
if (surface == null)
{
throw new ArgumentNullException(nameof(surface));
}
if (hostDevice == null)
{
throw new ArgumentNullException(nameof(hostDevice));
}
this.title = title;
this.nativeWindow = nativeWindow;
this.surface = surface;
this.hostDevice = hostDevice;
this.logger = logger;
//Subscribe to callbacks for the native window
nativeWindow.CloseRequested += OnNativeWindowCloseRequested;
nativeWindow.Resized += OnNativeWindowResized;
//Create a logical device (and queues on the device)
IList <string> enabledExtensions;
(logicalDevice, graphicsQueue, presentQueue, enabledExtensions) = hostDevice.CreateLogicalDevice(
surface: surface,
deviceRequirements: deviceRequirements);
hasDebugMarkerExtension = enabledExtensions.Contains("VK_EXT_debug_marker");
if (hasDebugMarkerExtension)
{
logger?.Log(nameof(Window), "Enabled debug-markers");
}
//Get a presentmode to use
presentMode = hostDevice.GetPresentMode(surface);
//Get the surfaceformat to use
(surfaceFormat, surfaceColorspace) = hostDevice.GetSurfaceFormat(surface);
//Gets how many swapchain images we should use
swapchainCount = hostDevice.GetSwapchainCount(surface);
//Create a command-pool attached to this device
commandPool = logicalDevice.CreateCommandPool(new CommandPoolCreateInfo(
queueFamilyIndex: graphicsQueue.FamilyIndex,
flags: CommandPoolCreateFlags.None
));
//Create the swapchain (images to present to the screen)
CreateSwapchain(swapchainCount);
//Synchronization objects are used to sync the rendering and presenting
CreateSynchronizationObjects();
}
public Window CreateWindow(
Int2 windowSize,
HostDeviceRequirements deviceRequirements,
bool preferDiscreteDevice = true)
{
ThrowIfDisposed();
INativeWindow nativeWindow = nativeApp.CreateWindow(
size: windowSize,
minSize: (x: 150, y: 150),
title: string.Empty);
SurfaceKhr surface = CreateSurface(nativeWindow);
HostDevice graphicsDevice = FindSuitableDevice(
surface,
deviceRequirements,
preferDiscreteDevice);
return(new Window(
title: $"{appName} - {appVersion}",
nativeWindow, surface, graphicsDevice, deviceRequirements, logger));
}
public Host(
Platform.INativeApp nativeApp,
string appName,
int appVersion,
Logger logger = null)
{
if (nativeApp == null)
{
throw new ArgumentNullException(nameof(nativeApp));
}
this.nativeApp = nativeApp;
this.appName = appName;
this.appVersion = appVersion;
this.logger = logger;
availableLayers = Instance.EnumerateLayerProperties();
logger?.LogList(nameof(Host), "Available layers:", availableLayers);
availbleExtensions = Instance.EnumerateExtensionProperties();
logger?.LogList(nameof(Host), "Available extensions:", availbleExtensions);
//Verify that all the required layers are available on this host
var layersToEnable = new List <string>(GetRequiredLayers(nativeApp.SurfaceType));
for (int i = 0; i < layersToEnable.Count; i++)
{
if (!IsLayerAvailable(layersToEnable[i]))
{
throw new Exception(
$"[{nameof(Host)}] Required layer '{layersToEnable[i]}' is not available");
}
}
//Verify that all the required extensions are available on this host
var extensionsToEnable = new List <string>(GetRequiredExtensions(nativeApp.SurfaceType));
for (int i = 0; i < extensionsToEnable.Count; i++)
{
if (!IsExtensionAvailable(extensionsToEnable[i]))
{
throw new Exception(
$"[{nameof(Host)}] Required extension '{extensionsToEnable[i]}' is not available");
}
}
//Add any optional layers IF its supported by this host
string[] optionalLayers = GetOptionalLayers(nativeApp.SurfaceType);
for (int i = 0; i < optionalLayers.Length; i++)
{
if (IsLayerAvailable(optionalLayers[i]))
{
layersToEnable.Add(optionalLayers[i]);
}
}
//Add any optional extensions IF its supported by this host
string[] optionalExtensions = GetOptionalExtensions(nativeApp.SurfaceType);
for (int i = 0; i < optionalExtensions.Length; i++)
{
if (IsExtensionAvailable(optionalExtensions[i]))
{
extensionsToEnable.Add(optionalExtensions[i]);
}
}
InstanceCreateInfo createInfo = new InstanceCreateInfo(
appInfo: new ApplicationInfo(
applicationName: appName,
applicationVersion: appVersion,
engineName: Info.NAME,
engineVersion: Info.VERSION,
apiVersion: new VulkanCore.Version(major: 1, minor: 0, patch: 69)
),
enabledLayerNames: layersToEnable.ToArray(),
enabledExtensionNames: extensionsToEnable.ToArray()
);
instance = new Instance(createInfo);
logger?.Log(nameof(Host), "Created instance");
logger?.LogList(nameof(Host), "Enabled layers:", layersToEnable);
logger?.LogList(nameof(Host), "Enabled extensions:", extensionsToEnable);
#if DEBUG
if (extensionsToEnable.Contains("VK_EXT_debug_report"))
{
debugCallback = instance.CreateDebugReportCallbackExt(
new DebugReportCallbackCreateInfoExt(
//We want to handle everthing except for info reports
flags: DebugReportFlagsExt.All & ~DebugReportFlagsExt.Information,
callback: OnDebugReport));
logger?.Log(nameof(Host), "Enabled debug callback");
}
#else
debugCallback = null;
#endif
//Get all the devices in this host
PhysicalDevice[] physicalDevices = instance.EnumeratePhysicalDevices();
hostDevices = new HostDevice[physicalDevices.Length];
for (int i = 0; i < hostDevices.Length; i++)
{
hostDevices[i] = new HostDevice(physicalDevices[i], nativeApp.SurfaceType, logger);
}
}