public void Initialize(IVulkanAppHost host)
{
Host = host;
#if DEBUG
const bool debug = true;
#else
const bool debug = false;
#endif
_initializingPermanent = true;
// Calling ToDispose here registers the resource to be automatically disposed on exit.
Instance = ToDispose(CreateInstance(debug));
DebugReportCallback = ToDispose(CreateDebugReportCallback(debug));
Surface = ToDispose(CreateSurface());
Context = ToDispose(new VulkanContext(Instance, Surface, Host.Platform));
Content = ToDispose(new ContentManager(Host, Context, "Content"));
ImageAvailableSemaphore = ToDispose(Context.Device.CreateSemaphore());
RenderingFinishedSemaphore = ToDispose(Context.Device.CreateSemaphore());
if (host.Platform == Platform.MacOS)
{
//Setup MoltenVK specific device configuration.
MVKDeviceConfiguration deviceConfig = Context.Device.GetMVKDeviceConfiguration();
deviceConfig.DebugMode = debug;
deviceConfig.PerformanceTracking = debug;
deviceConfig.PerformanceLoggingFrameCount = debug ? 300 : 0;
Context.Device.SetMVKDeviceConfiguration(deviceConfig);
}
_initializingPermanent = false;
// Calling ToDispose here registers the resource to be automatically disposed on events
// such as window resize.
Swapchain = ToDispose(CreateSwapchain());
// Acquire underlying images of the freshly created swapchain.
SwapchainImages = Swapchain.GetImages();
// Create a command buffer for each swapchain image.
CommandBuffers = Context.GraphicsCommandPool.AllocateBuffers(
new CommandBufferAllocateInfo(CommandBufferLevel.Primary, SwapchainImages.Length));
// Create a fence for each commandbuffer so that we can wait before using it again
_initializingPermanent = true; //We need our fences to be there permanently
SubmitFences = new Fence[SwapchainImages.Length];
for (int i = 0; i < SubmitFences.Length; i++)
{
ToDispose(SubmitFences[i] = Context.Device.CreateFence(new FenceCreateInfo(FenceCreateFlags.Signaled)));
}
// Allow concrete samples to initialize their resources.
InitializePermanent();
_initializingPermanent = false;
InitializeFrame();
// Record commands for execution by Vulkan.
RecordCommandBuffers();
}
private void CreateSwapChain()
{
SwapChainSupportDetails swapChainSupport = QuerySwapChainSupport(physicalDevice);
uint imageCount = swapChainSupport.Capabilities.MinImageCount + 1;
if (swapChainSupport.Capabilities.MaxImageCount > 0 && imageCount > swapChainSupport.Capabilities.MaxImageCount)
{
imageCount = swapChainSupport.Capabilities.MaxImageCount;
}
SurfaceFormat surfaceFormat = ChooseSwapSurfaceFormat(swapChainSupport.Formats);
QueueFamilyIndices queueFamilies = FindQueueFamilies(physicalDevice);
var indices = queueFamilies.Indices.ToArray();
Extent2D extent = ChooseSwapExtent(swapChainSupport.Capabilities);
swapChain = device.CreateSwapchain(
surface,
imageCount,
surfaceFormat.Format,
surfaceFormat.ColorSpace,
extent,
1,
ImageUsageFlags.ColorAttachment | ImageUsageFlags.TransferSource,
indices.Length == 1 ? SharingMode.Exclusive : SharingMode.Concurrent,
indices,
swapChainSupport.Capabilities.CurrentTransform,
CompositeAlphaFlags.Opaque,
ChooseSwapPresentMode(swapChainSupport.PresentModes),
true,
swapChain
);
swapChainImages = swapChain.GetImages();
swapChainFormat = surfaceFormat.Format;
swapChainExtent = extent;
}
public void Resize()
{
Context.Device.WaitIdle();
// Dispose all frame dependent resources.
while (_toDisposeFrame.Count > 0)
{
_toDisposeFrame.Pop().Dispose();
}
// Reset all the command buffers allocated from the pools.
Context.GraphicsCommandPool.Reset();
Context.ComputeCommandPool.Reset();
// Reinitialize frame dependent resources.
Swapchain = ToDispose(CreateSwapchain());
SwapchainImages = Swapchain.GetImages();
InitializeFrame();
// Re-record command buffers.
RecordCommandBuffers();
}
public void Initialize(IVulkanAppHost host)
{
Host = host;
#if DEBUG
const bool debug = true;
#else
const bool debug = false;
#endif
_initializingPermanent = true;
// Calling ToDispose here registers the resource to be automatically disposed on exit.
Instance = ToDispose(CreateInstance(debug));
DebugReportCallback = ToDispose(CreateDebugReportCallback(debug));
Surface = ToDispose(CreateSurface());
Context = ToDispose(new VulkanContext(Instance, Surface, Host.Platform));
Content = ToDispose(new ContentManager(Host, Context, "Content"));
ImageAvailableSemaphore = ToDispose(Context.Device.CreateSemaphore());
RenderingFinishedSemaphore = ToDispose(Context.Device.CreateSemaphore());
_initializingPermanent = false;
// Calling ToDispose here registers the resource to be automatically disposed on events
// such as window resize.
Swapchain = ToDispose(CreateSwapchain());
// Acquire underlying images of the freshly created swapchain.
SwapchainImages = Swapchain.GetImages();
// Create a command buffer for each swapchain image.
CommandBuffers = Context.GraphicsCommandPool.AllocateBuffers(
new CommandBufferAllocateInfo(CommandBufferLevel.Primary, SwapchainImages.Length));
// Allow concrete samples to initialize their resources.
_initializingPermanent = true;
InitializePermanent();
_initializingPermanent = false;
InitializeFrame();
// Record commands for execution by Vulkan.
RecordCommandBuffers();
}
/// <summary>
/// Construct a Graphics object belonging to a window
/// </summary>
/// <param name="window"></param>
public Graphics(WyvernWindow window)
{
// Argument checks
if (window is null)
{
throw new ArgumentNullException(nameof(window));
}
// Initialize the static part of Graphics if necessary
InitializeStatic();
// Store window
Window = window;
// Create window surface
{
AllocationCallbacks?allocationCallbacks = null;
Surface = new SurfaceKhr(
Instance,
ref allocationCallbacks,
VkGLFW3.VkGlfw.CreateWindowSurface(Instance.Handle, Window, IntPtr.Zero)
);
Surface.PrintDebug();
}
// Choose a physical device
{
PhysicalDevice = Instance.EnumeratePhysicalDevices()
.Where(e => GetDeviceMeetsRequirements(e, Surface))
.OrderByDescending(GetDeviceScore)
.FirstOrDefault();
if (PhysicalDevice is null)
{
throw new InvalidOperationException("No physical device found that meets the requirements for the application");
}
MemoryProperties = PhysicalDevice.GetMemoryProperties();
}
// Create default queue families
{
ComputeQueueFamily = new QueueFamily(
$"{Name}'s {nameof(ComputeQueueFamily)}", this, QueueFamily.QueueType.Compute, 2,
true, ComputeCommandPoolFlags
);
GraphicsQueueFamily = new QueueFamily(
$"{Name}'s {nameof(GraphicsQueueFamily)}", this, QueueFamily.QueueType.Graphics, 2,
true, GraphicsCommandPoolFlags
);
TransferQueueFamily = new QueueFamily(
$"{Name}'s {nameof(TransferQueueFamily)}", this, QueueFamily.QueueType.Transfer, 2,
true, TransferCommandPoolFlags
);
PresentQueueFamily = new QueueFamily(
$"{Name}'s {nameof(PresentQueueFamily)}", this, QueueFamily.QueueType.Present, 1,
false
);
}
// Create a logical device
{
// Generate queue create info structs
var queueCreateInfos = QueueFamilies.Select(queueFamily =>
{
// Generate queue priorities
var priorities = new float[queueFamily.Count];
for (var i = 0; i < priorities.Length; i++)
{
priorities[i] = 1f - (i / (float)(priorities.Length - 1));
}
// Create create info
var createInfo = new DeviceQueueCreateInfo()
{
QueueFamilyIndex = queueFamily.Index,
QueueCount = queueFamily.Count,
QueuePriorities = priorities
};
return(createInfo);
});
// Merge multiple queue families' queue create infos
{
var alreadyHave = new List <int>();
var uniqueCreateInfos = new List <DeviceQueueCreateInfo>();
foreach (var createInfo in queueCreateInfos.OrderByDescending(e => e.QueueCount))
{
if (!alreadyHave.Contains(createInfo.QueueFamilyIndex))
{
alreadyHave.Add(createInfo.QueueFamilyIndex);
uniqueCreateInfos.Add(createInfo);
}
}
queueCreateInfos = uniqueCreateInfos;
foreach (var createInfo in queueCreateInfos)
{
createInfo.PrintDebug();
}
}
// Create device
Device = PhysicalDevice.CreateDevice(new DeviceCreateInfo()
{
EnabledExtensionNames = EnabledDeviceExtensions.ToArray(),
QueueCreateInfos = queueCreateInfos.ToArray(),
EnabledFeatures = EnabledPhysicalDeviceFeatures
});
// Set the queues in the queue families, using those created with the device
foreach (var family in QueueFamilies)
{
var queues = new Queue[family.Count];
for (var i = 0; i < queues.Length; i++)
{
queues[i] = Device.GetQueue(family.Index, i);
}
family.SetQueues(queues);
}
// Create and set the command pools in the queue families
foreach (var family in QueueFamilies)
{
// Skip family that shouldn't have a command pool
if (!family.HasCommandPool)
{
continue;
}
// Create command pool
var commandPool = Device.CreateCommandPool(new CommandPoolCreateInfo()
{
QueueFamilyIndex = family.Index,
Flags = family.CommandPoolFlags
});
family.SetCommandPool(commandPool);
}
}
// Create swapchain
{
// Query supported capabilities and formats
var surfaceCapabilities = SurfaceCapabilities;
var surfaceFormats = SurfaceFormats;
var surfacePresentModes = SurfacePresentModes;
surfaceCapabilities.PrintDebug();
// Choose the best image format and color space
{
var imageFormat = Array.Find(
PreferredSwapchainFormats,
preferred => surfaceFormats.Any(available => available.Format == preferred)
);
if (imageFormat == Format.Undefined)
{
imageFormat = surfaceFormats.FirstOrDefault().Format;
}
if (imageFormat == Format.Undefined)
{
throw new InvalidOperationException("Surface somehow does not support any known image formats");
}
SwapchainImageFormat = imageFormat;
SwapchainColorSpace = surfaceFormats.First(e => e.Format == SwapchainImageFormat).ColorSpace;
}
// Choose the best present mode
{
var presentMode = Array.Find(
PreferredPresentModes,
preferred => surfacePresentModes.Any(available => available == preferred)
);
SwapchainPresentMode = presentMode;
}
// Create the swapchain
SwapchainExtent = surfaceCapabilities.CurrentExtent;
Swapchain = Device.CreateSwapchainKhr(new SwapchainCreateInfoKhr(
surface: Surface,
imageFormat: SwapchainImageFormat,
imageExtent: SwapchainExtent,
preTransform: surfaceCapabilities.CurrentTransform,
presentMode: SwapchainPresentMode,
minImageCount: SurfaceCapabilities.MinImageCount,
imageArrayLayers: SurfaceCapabilities.MaxImageArrayLayers,
imageSharingMode: SharingMode.Exclusive,
imageColorSpace: SwapchainColorSpace
));
SwapchainAttachmentImages = Swapchain.GetImages().Select(
e => new VKImage(
e, SwapchainImageFormat,
SwapchainExtent,
new ImageSubresourceRange(ImageAspects.Color, 0, 1, 0, 1)
)
).ToArray();
Swapchain.PrintDebug();
}
// Create semaphores & fences
{
// Image available semaphore
ImageAvailableSemaphore = Device.CreateSemaphore();
ReadyToPresentSemaphore = Device.CreateSemaphore();
// Swapchain image rendering fences
RenderToImageFences = new Fence[SwapchainAttachmentImages.Length];
for (var i = 0; i < RenderToImageFences.Length; i++)
{
RenderToImageFences[i] = Device.CreateFence(new FenceCreateInfo(flags: FenceCreateFlags.Signaled));
}
}
// Create content collection
{
Content = new ContentCollection(this);
}
// Misc
Stopwatch = Stopwatch.StartNew();
CurrentTime = 0.0;
}
/// <summary>
/// Initialize this swap chain on a specified surface.
/// </summary>
/// <param name="surface">Target video surface.</param>
/// <param name="surfaceSize">Swap queue target size.</param>
public void Initialize(Surface surface, Vector2i surfaceSize)
{
base.Initialize(surface, surfaceSize);
VKSurface vkSurface = surface as VKSurface;
// - Get capabilites and hardware information
SurfaceCapabilities Capabilities = GraphicsCard.Handle.GetSurfaceCapabilities(vkSurface.Handle);
formats = GraphicsCard.Handle.GetSurfaceFormats(vkSurface.Handle);
presentModes = GraphicsCard.Handle.GetSurfacePresentModes(vkSurface.Handle);
uint imageCount = Capabilities.MinImageCount + 1;
if (Capabilities.MaxImageCount > 0 && imageCount > Capabilities.MaxImageCount)
{
imageCount = Capabilities.MaxImageCount;
}
// - Default video format -> the first one
surfaceFormat = formats[0];
// - Checks for a BGRA32 video format
foreach (var format in formats)
{
if (format.Format == Format.B8G8R8A8UNorm && format.ColorSpace == ColorSpace.SrgbNonlinear)
{
surfaceFormat = format;
break;
}
}
// - Checks if ther're no avaiable formats and we create a new one
if (formats.Length == 1 && formats[0].Format == Format.Undefined)
{
surfaceFormat = new SharpVk.Khronos.SurfaceFormat
{
Format = Format.B8G8R8A8UNorm,
ColorSpace = ColorSpace.SrgbNonlinear
};
}
// - Computes the swap chain drawing surface size
Extent2D extent = Capabilities.CurrentExtent;
if (extent.Width != uint.MaxValue)
{
long Width = Math.Max(Capabilities.MinImageExtent.Width, Math.Min(Capabilities.MaxImageExtent.Width, surfaceSize.Width));
long Height = Math.Max(Capabilities.MinImageExtent.Height, Math.Min(Capabilities.MaxImageExtent.Height, surfaceSize.Height));
extent = new Extent2D((uint)Width, (uint)Height);
}
// - Shortcut (to avoid long parameters on the next call)
var queues = new[] { RenderDevice.PresentQueueIndex, RenderDevice.GraphicQueueIndex };
bool exclusive = RenderDevice.GraphicQueueIndex == RenderDevice.PresentQueueIndex;
Handle = RenderDevice.Handle.CreateSwapchain
(
vkSurface.Handle, imageCount,
surfaceFormat.Format,
surfaceFormat.ColorSpace,
extent, 1, ImageUsageFlags.ColorAttachment,
exclusive ? SharingMode.Exclusive : SharingMode.Concurrent, exclusive ? null : queues,
Capabilities.CurrentTransform, CompositeAlphaFlags.Opaque,
PresentModes.Contains(PresentMode.Mailbox) ? PresentMode.Mailbox : PresentMode.Fifo,
true, Handle
);
images = Handle.GetImages();
this.extent = extent;
}