public SwapchainManager(Device LogicalDevice, SurfaceFormatKHR SelectedSurfaceFormat)
{
var compositeAlpha = VulkanRenderer.Surface.SurfaceCapabilities.SupportedCompositeAlpha.HasFlag(CompositeAlphaFlagsKHR.Inherit)
? CompositeAlphaFlagsKHR.Inherit
: CompositeAlphaFlagsKHR.Opaque;
SemaphoreCreateInfo semaphoreInfo = new SemaphoreCreateInfo();
SwapchainDrawCompleteSemaphore = LogicalDevice.CreateSemaphore(semaphoreInfo);
CreateDefaultSwapchainRenderPass(LogicalDevice);
renderPassBeginInfo = new RenderPassBeginInfo {
ClearValueCount = 1, ClearValues = new ClearValue[] { new ClearValue {
Color = new ClearColorValue(Color.AliceBlue)
} }, RenderPass = myBaseRenderPass
};
renderPassBeginInfo.RenderArea = new Rect2D {
Extent = new Extent2D {
Width = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Width, Height = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Height
}, Offset = new Offset2D {
X = 0, Y = 0
}
};
var swapchainInfo = new SwapchainCreateInfoKHR
{
Surface = VulkanRenderer.Surface,
MinImageCount = VulkanRenderer.Surface.SurfaceCapabilities.MinImageCount + 1,
ImageFormat = VulkanRenderer.Surface.SelectedSurfaceFormat.Format,
ImageColorSpace = VulkanRenderer.Surface.SelectedSurfaceFormat.ColorSpace,
ImageExtent = VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent,
ImageUsage = ImageUsageFlags.ColorAttachment,
PreTransform = SurfaceTransformFlagsKHR.Identity,
ImageArrayLayers = 1,
ImageSharingMode = SharingMode.Exclusive,
QueueFamilyIndices = new uint[] { VulkanRenderer.ActiveGraphicsFamilyQueueIndex },
PresentMode = PresentModeKHR.Fifo,
CompositeAlpha = compositeAlpha
};
Swapchain = VulkanRenderer.SelectedLogicalDevice.CreateSwapchainKHR(swapchainInfo);
Images = VulkanRenderer.SelectedLogicalDevice.GetSwapchainImagesKHR(Swapchain);
SwapChainPresentInfo = new PresentInfoKHR
{
Swapchains = new SwapchainKHR[] { Swapchain },
ImageIndices = new uint[] { VulkanRenderer.SelectedLogicalDevice.AcquireNextImageKHR(Swapchain, ulong.MaxValue, SwapchainDrawCompleteSemaphore) }
};
Framebuffers = new SwapChainFrameBuffer[Images.Length]; //Move this to swap chains
for (int i = 0; i < Images.Length; i++)
{
Framebuffers[i] = new SwapChainFrameBuffer(myBaseRenderPass, Images[i], i, VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Width, VulkanRenderer.Surface.SurfaceCapabilities.CurrentExtent.Height, 1);
Framebuffers[i].Initialize();
}
}
public unsafe SurfaceFormatKHR[] GetPhysicalDeviceSurfaceFormats(VulkanPhysicalDevice physicalDevice, SurfaceKHR surface)
{
uint formatsCount = 0u;
GetPhysicalDeviceSurfaceFormats(physicalDevice, surface, &formatsCount, (SurfaceFormatKHR *)null !);
if (formatsCount is 0u)
{
return(Array.Empty <SurfaceFormatKHR>());
}
SurfaceFormatKHR *surfaceFormatsPointer = stackalloc SurfaceFormatKHR[(int)formatsCount];
GetPhysicalDeviceSurfaceFormats(physicalDevice, surface, &formatsCount, surfaceFormatsPointer);
SurfaceFormatKHR[] surfaceFormats = new SurfaceFormatKHR[formatsCount];
new Span <SurfaceFormatKHR>(surfaceFormatsPointer, (int)formatsCount).CopyTo(surfaceFormats);
return(surfaceFormats);
}
void CreateSwapChain()
{
CanRender = false;
if (!vulkan.Device.IsZero)
{
vk.DeviceWaitIdle(vulkan.Device);
}
if (vulkan.SwapChain.Images != null)
{
for (int i = 0; i < vulkan.SwapChain.Images.Length; ++i)
{
if (vulkan.SwapChain.Images[i].View != ImageView.Zero)
{
vk.DestroyImageView(vulkan.Device, vulkan.SwapChain.Images[i].View);
}
}
}
SurfaceCapabilitiesKHR surface_capabilities;
khrSurface.GetPhysicalDeviceSurfaceCapabilitiesKHR(vulkan.PhysicalDevice, vulkan.PresentationSurface, out surface_capabilities).CheckError();
var surface_formats = DelegateUtility.EnumerateToArray <SurfaceFormatKHR> (khrSurface.GetPhysicalDeviceSurfaceFormatsKHR,
(IntPtr)vulkan.PhysicalDevice, (ulong)vulkan.PresentationSurface);
var present_modes = DelegateUtility.EnumerateToArray <int> (khrSurface.GetPhysicalDeviceSurfacePresentModesKHR,
(IntPtr)vulkan.PhysicalDevice, (ulong)vulkan.PresentationSurface);
uint desired_number_of_images = GetSwapChainNumImages(ref surface_capabilities);
SurfaceFormatKHR desired_format = GetSwapChainFormat(surface_formats);
Extent2D desired_extent = GetSwapChainExtent(ref surface_capabilities);
ImageUsageFlagBits desired_usage = GetSwapChainUsageFlagBits(ref surface_capabilities);
SurfaceTransformFlagBitsKHR desired_transform = GetSwapChainTransform(ref surface_capabilities);
PresentModeKHR desired_present_mode = GetSwapChainPresentMode(present_modes);
SwapchainKHR old_swap_chain = vulkan.SwapChain.Handle;
if (desired_usage == (ImageUsageFlagBits)(-1))
{
return;
}
if (desired_present_mode == (PresentModeKHR)(-1))
{
return;
}
if ((desired_extent.width == 0) || (desired_extent.height == 0))
{
// Current surface size is (0, 0) so we can't create a swap chain and render anything (CanRender == false)
// But we don't wont to kill the application as this situation may occur i.e. when window gets minimized
return;
}
SwapchainCreateInfoKHR swap_chain_create_info = new SwapchainCreateInfoKHR
{
sType = StructureType.SwapchainCreateInfoKhr, // VkStructureType sType
pNext = IntPtr.Zero, // const void *pNext
flags = 0, // VkSwapchainCreateFlagBitsKHR flags
surface = vulkan.PresentationSurface, // VkSurfaceKHR surface
minImageCount = desired_number_of_images, // uint32_t minImageCount
imageFormat = desired_format.format, // VkFormat imageFormat
imageColorSpace = desired_format.colorSpace, // VkColorSpaceKHR imageColorSpace
imageExtent = desired_extent, // VkExtent2D imageExtent
imageArrayLayers = 1, // uint32_t imageArrayLayers
imageUsage = desired_usage, // VkImageUsageFlagBits imageUsage
imageSharingMode = SharingMode.Exclusive, // VkSharingMode imageSharingMode
queueFamilyIndexCount = 0, // uint32_t queueFamilyIndexCount
pQueueFamilyIndices = (uint *)0, // const uint32_t *pQueueFamilyIndices
preTransform = desired_transform, // VkSurfaceTransformFlagBitsKHR preTransform
compositeAlpha = CompositeAlphaFlagBitsKHR.OpaqueBitKhr, // VkCompositeAlphaFlagBitsKHR compositeAlpha
presentMode = desired_present_mode, // VkPresentModeKHR presentMode
clipped = Boolean32.True, // VkBool32 clipped
oldSwapchain = old_swap_chain // VkSwapchainKHR oldSwapchain
};
khrSwapChain.CreateSwapchainKHR(vulkan.Device, ref swap_chain_create_info, (AllocationCallbacks *)0, out vulkan.SwapChain.Handle).CheckError();
if (!old_swap_chain.IsZero)
{
khrSwapChain.DestroySwapchainKHR(vulkan.Device, old_swap_chain);
}
vulkan.SwapChain.Format = desired_format.format;
var images = DelegateUtility.EnumerateToArray <Image> (khrSwapChain.GetSwapchainImagesKHR,
(IntPtr)vulkan.Device, (ulong)vulkan.SwapChain.Handle);
if (vulkan.SwapChain.Images == null || vulkan.SwapChain.Images.Length != images.Length)
{
vulkan.SwapChain.Images = new ImageParameters[images.Length];
}
for (int i = 0; i < images.Length; ++i)
{
vulkan.SwapChain.Images[i].Handle = images[i];
}
vulkan.SwapChain.Extent = desired_extent;
CreateSwapChainImageViews();
}
private unsafe void CreateSwapchain()
{
_gd.SurfaceApi.GetPhysicalDeviceSurfaceCapabilities(_physicalDevice, _surface, out var capabilities);
uint surfaceFormatsCount;
_gd.SurfaceApi.GetPhysicalDeviceSurfaceFormats(_physicalDevice, _surface, &surfaceFormatsCount, null);
var surfaceFormats = new SurfaceFormatKHR[surfaceFormatsCount];
fixed(SurfaceFormatKHR *pSurfaceFormats = surfaceFormats)
{
_gd.SurfaceApi.GetPhysicalDeviceSurfaceFormats(_physicalDevice, _surface, &surfaceFormatsCount, pSurfaceFormats);
}
uint presentModesCount;
_gd.SurfaceApi.GetPhysicalDeviceSurfacePresentModes(_physicalDevice, _surface, &presentModesCount, null);
var presentModes = new PresentModeKHR[presentModesCount];
fixed(PresentModeKHR *pPresentModes = presentModes)
{
_gd.SurfaceApi.GetPhysicalDeviceSurfacePresentModes(_physicalDevice, _surface, &presentModesCount, pPresentModes);
}
uint imageCount = capabilities.MinImageCount + 1;
if (capabilities.MaxImageCount > 0 && imageCount > capabilities.MaxImageCount)
{
imageCount = capabilities.MaxImageCount;
}
var surfaceFormat = ChooseSwapSurfaceFormat(surfaceFormats);
var extent = ChooseSwapExtent(capabilities);
_width = (int)extent.Width;
_height = (int)extent.Height;
_format = surfaceFormat.Format;
var oldSwapchain = _swapchain;
var swapchainCreateInfo = new SwapchainCreateInfoKHR()
{
SType = StructureType.SwapchainCreateInfoKhr,
Surface = _surface,
MinImageCount = imageCount,
ImageFormat = surfaceFormat.Format,
ImageColorSpace = surfaceFormat.ColorSpace,
ImageExtent = extent,
ImageUsage = ImageUsageFlags.ImageUsageColorAttachmentBit | ImageUsageFlags.ImageUsageTransferDstBit,
ImageSharingMode = SharingMode.Exclusive,
ImageArrayLayers = 1,
PreTransform = capabilities.CurrentTransform,
CompositeAlpha = CompositeAlphaFlagsKHR.CompositeAlphaOpaqueBitKhr,
PresentMode = ChooseSwapPresentMode(presentModes),
Clipped = true,
OldSwapchain = oldSwapchain
};
_gd.SwapchainApi.CreateSwapchain(_device, swapchainCreateInfo, null, out _swapchain).ThrowOnError();
_gd.SwapchainApi.GetSwapchainImages(_device, _swapchain, &imageCount, null);
_swapchainImages = new Image[imageCount];
fixed(Image *pSwapchainImages = _swapchainImages)
{
_gd.SwapchainApi.GetSwapchainImages(_device, _swapchain, &imageCount, pSwapchainImages);
}
_swapchainImageViews = new Auto <DisposableImageView> [imageCount];
for (int i = 0; i < imageCount; i++)
{
_swapchainImageViews[i] = CreateSwapchainImageView(_swapchainImages[i], surfaceFormat.Format);
}
}
private void InitializeVulkan(string applicationName, uint applicationVersion)
{
Console.WriteLine("Initializing Vulkan");
#if VALIDITION
DebugUtilsMessengerCreateInfoEXT GetDebugMessenger(void *pNext)
{
return(new DebugUtilsMessengerCreateInfoEXT(
messageSeverity: DebugUtilsMessageSeverityFlagsEXT.DebugUtilsMessageSeverityVerboseBitExt |
DebugUtilsMessageSeverityFlagsEXT.DebugUtilsMessageSeverityInfoBitExt |
DebugUtilsMessageSeverityFlagsEXT.DebugUtilsMessageSeverityWarningBitExt |
DebugUtilsMessageSeverityFlagsEXT.DebugUtilsMessageSeverityErrorBitExt,
messageType: DebugUtilsMessageTypeFlagsEXT.DebugUtilsMessageTypeGeneralBitExt |
DebugUtilsMessageTypeFlagsEXT.DebugUtilsMessageTypePerformanceBitExt |
DebugUtilsMessageTypeFlagsEXT.DebugUtilsMessageTypeValidationBitExt,
pfnUserCallback: new PfnDebugUtilsMessengerCallbackEXT(DebugCallback), pNext: pNext));
}
#endif
_vk = Vk.GetApi();
const uint engineVersion = 1;
const string engineName = "Videre";
var instanceLayers = new List <string>();
var instanceExtensions = new List <string>();
var pApplicationName = SilkMarshal.StringToPtr(applicationName);
var pEngineName = SilkMarshal.StringToPtr(engineName);
var applicationInfo = new ApplicationInfo(pApplicationName: (byte *)pApplicationName,
applicationVersion: applicationVersion, pEngineName: (byte *)pEngineName, engineVersion: engineVersion,
apiVersion: new Version32(1, 1, 0));
Version32 apiVersion = default;
_vk.EnumerateInstanceVersion((uint *)&apiVersion);
Console.WriteLine($"Instance Version: {apiVersion.Major}.{apiVersion.Minor}.{apiVersion.Patch}");
void *instancepNext = default;
// instanceExtensions.Add(KhrSurface.ExtensionName);
instanceExtensions.AddRange(SilkMarshal.PtrToStringArray((nint)View.VkSurface.GetRequiredExtensions(out var requiredExtensionsCount), (int)requiredExtensionsCount));
instanceExtensions.Add(ExtDebugUtils.ExtensionName);
Console.WriteLine($"Creating Instance with {instanceExtensions.Count} extensions");
VerifyInstanceExtensionsAvailable(_vk, instanceExtensions);
var ppEnabledLayers = instanceLayers.Count > 0 ? (byte **)SilkMarshal.StringArrayToPtr(instanceLayers) : null;
var ppEnabledExtensions = instanceExtensions.Count > 0 ? (byte **)SilkMarshal.StringArrayToPtr(instanceExtensions) : null;
_vk.CreateInstance(
new InstanceCreateInfo(pApplicationInfo: &applicationInfo,
enabledLayerCount: (uint)instanceLayers.Count, ppEnabledLayerNames: ppEnabledLayers,
enabledExtensionCount: (uint)instanceExtensions.Count,
ppEnabledExtensionNames: ppEnabledExtensions, pNext: instancepNext), _allocationCallbacks.AllocationCallbacks, out _instance)
.ThrowCode();
SilkMarshal.Free((nint)ppEnabledLayers);
SilkMarshal.Free((nint)ppEnabledExtensions);
_vk.CurrentInstance = _instance;
if (!_vk.TryGetInstanceExtension(_instance, out _khrSurface))
{
Console.WriteLine($"Could not load {KhrSurface.ExtensionName}");
}
_vk.TryGetInstanceExtension(_instance, out _debugUtils);
Console.WriteLine("Creating Surface");
_surface = View.VkSurface.Create(_instance.ToHandle(), (AllocationCallbacks *)null).ToSurface();
uint deviceCount = 0;
_vk.EnumeratePhysicalDevices(_instance, ref deviceCount, null).ThrowCode();
var devices = (PhysicalDevice *)SilkMarshal.Allocate((int)(deviceCount * sizeof(PhysicalDevice)));
_vk.EnumeratePhysicalDevices(_instance, ref deviceCount, devices).ThrowCode();
Console.WriteLine($"Found {deviceCount} devices");
Console.WriteLine("Creating Device");
// TODO: actually somehow reasonably find the best device.
for (int i = 0; i < deviceCount; i++)
{
var physicalDevice = devices[i];
_physicalDeviceFeatures = _vk.GetPhysicalDeviceFeature(physicalDevice);
uint presentModeCount = 0;
_khrSurface.GetPhysicalDeviceSurfacePresentModes(physicalDevice, _surface, ref presentModeCount, null).ThrowCode();
if (presentModeCount <= 0)
{
continue;
}
var presentModes = (PresentModeKHR *)SilkMarshal.Allocate((int)(presentModeCount * sizeof(PresentModeKHR)));
_khrSurface.GetPhysicalDeviceSurfacePresentModes(physicalDevice, _surface, ref presentModeCount, presentModes).ThrowCode();
_presentMode = PresentModeKHR.PresentModeFifoKhr;
View.FramesPerSecond = -1;
for (int j = 0; j < presentModeCount; j++)
{
if (presentModes[j] == PresentModeKHR.PresentModeMailboxKhr)
{
_presentMode = PresentModeKHR.PresentModeMailboxKhr;
View.FramesPerSecond = -1;
break;
}
}
SilkMarshal.Free((nint)presentModes);
uint surfaceFormatCount = 0;
_khrSurface.GetPhysicalDeviceSurfaceFormats(physicalDevice, _surface, ref surfaceFormatCount, null).ThrowCode();
var surfaceFormats = (SurfaceFormatKHR *)SilkMarshal.Allocate((int)(surfaceFormatCount * sizeof(SurfaceFormatKHR)));
_khrSurface.GetPhysicalDeviceSurfaceFormats(physicalDevice, _surface, ref surfaceFormatCount, surfaceFormats).ThrowCode();
int max = int.MinValue;
SurfaceFormatKHR maxFormat = surfaceFormats[0];
for (int j = 0; j < surfaceFormatCount; j++)
{
var score = FormatRater.Rate(surfaceFormats[j].Format) + ColorSpaceRater.Rate(surfaceFormats[j].ColorSpace);
if (score > max)
{
max = score;
maxFormat = surfaceFormats[j];
}
}
SilkMarshal.Free((nint)surfaceFormats);
_swapchainFormat = maxFormat.Format;
_swapchainColorSpace = maxFormat.ColorSpace;
Console.WriteLine($"Chose Swapchain Properties: {Enum.GetName(typeof(PresentModeKHR), _presentMode)} {Enum.GetName(typeof(Format), _swapchainFormat)} {Enum.GetName(typeof(ColorSpaceKHR), _swapchainColorSpace)}");
_khrSurface.GetPhysicalDeviceSurfaceCapabilities(physicalDevice, _surface, out var surfaceCapabilities).ThrowCode();
uint queueFamilyPropertyCount = 0;
_vk.GetPhysicalDeviceQueueFamilyProperties(physicalDevice, ref queueFamilyPropertyCount, null);
var deviceQueueFamilyProperties = (QueueFamilyProperties *)SilkMarshal.Allocate((int)(queueFamilyPropertyCount * sizeof(QueueFamilyProperties)));
_vk.GetPhysicalDeviceQueueFamilyProperties(physicalDevice, ref queueFamilyPropertyCount, deviceQueueFamilyProperties);
var queueCreateInfoList = new List <DeviceQueueCreateInfo>();
var deviceExtensions = new List <string>();
var deviceLayers = new List <string>();
for (int j = 0; j < queueFamilyPropertyCount; j++)
{
var queueCount = deviceQueueFamilyProperties[j].QueueCount;
float *pQueuePriorities = stackalloc float[(int)queueCount]; // queue count should generally be 1
for (int k = 0; k < queueCount; k++)
{
pQueuePriorities[k] = 1.0f;
}
queueCreateInfoList.Add(new DeviceQueueCreateInfo(queueFamilyIndex: (uint)j, queueCount: queueCount, pQueuePriorities: pQueuePriorities));
}
deviceExtensions.Add(KhrSwapchain.ExtensionName);
// deviceExtensions.Add(KhrSynchronization2.ExtensionName);
// deviceExtensions.Add(ExtBufferDeviceAddress.ExtensionName);
var features = new PhysicalDeviceFeatures();
features.ShaderInt64 = true;
void *devicePNext = null;
// var physicalDeviceDescriptorIndexingFeaturesExt = new PhysicalDeviceDescriptorIndexingFeaturesEXT(
// descriptorBindingSampledImageUpdateAfterBind: true,
// descriptorBindingStorageBufferUpdateAfterBind: true,
// descriptorBindingStorageImageUpdateAfterBind: true,
// descriptorBindingUniformBufferUpdateAfterBind: true,
// descriptorBindingStorageTexelBufferUpdateAfterBind: true,
// descriptorBindingUniformTexelBufferUpdateAfterBind: true,
// descriptorBindingUpdateUnusedWhilePending: true,
// runtimeDescriptorArray: true,
// pNext: devicePNext);
// devicePNext = &physicalDeviceDescriptorIndexingFeaturesExt;
//
var physicalDeviceBufferDeviceAddressFeatures = new PhysicalDeviceBufferDeviceAddressFeatures(bufferDeviceAddress: true,
#if DEBUG
bufferDeviceAddressCaptureReplay: true,
#endif
pNext: devicePNext);
devicePNext = &physicalDeviceBufferDeviceAddressFeatures;
// var version12 = new PhysicalDeviceVulkan12Features(bufferDeviceAddress: true,
// #if DEBUG
// bufferDeviceAddressCaptureReplay: true,
// #endif
// descriptorBindingSampledImageUpdateAfterBind: true,
// descriptorBindingStorageBufferUpdateAfterBind: true,
// descriptorBindingStorageImageUpdateAfterBind: true,
// descriptorBindingUniformBufferUpdateAfterBind: true,
// descriptorBindingStorageTexelBufferUpdateAfterBind: true,
// descriptorBindingUniformTexelBufferUpdateAfterBind: true,
// descriptorBindingUpdateUnusedWhilePending: true,
// runtimeDescriptorArray: true,
// pNext: devicePNext);
// devicePNext = &version12;
var queueCreateInfos = queueCreateInfoList.Distinct().ToArray();
queueCreateInfoList = null;
VerifyDeviceExtensionsAvailable(_vk, devices[i], deviceExtensions, ref deviceLayers);
_physicalDevice = devices[i];
Console.WriteLine("Creating Logical Device");
var ppDeviceExtensions = deviceExtensions.Count > 0 ? (byte **)SilkMarshal.StringArrayToPtr(deviceExtensions) : null;
var ppDeviceLayers = deviceLayers.Count > 0 ? (byte **)SilkMarshal.StringArrayToPtr(deviceLayers) : null;
fixed(DeviceQueueCreateInfo *pQueueCreateInfos = queueCreateInfos)
_vk.CreateDevice(physicalDevice,
new DeviceCreateInfo(queueCreateInfoCount: (uint)queueCreateInfos.Length,
pQueueCreateInfos: pQueueCreateInfos,
enabledExtensionCount: (uint)deviceExtensions.Count,
enabledLayerCount: (uint)deviceLayers.Count,
ppEnabledExtensionNames: ppDeviceExtensions,
ppEnabledLayerNames: ppDeviceLayers, pEnabledFeatures: &features, pNext: devicePNext), null,
out _logicalDevice)
.ThrowCode();
_vk.CurrentDevice = _logicalDevice;
if (!_vk.TryGetDeviceExtension(_instance, _logicalDevice, out _khrSwapchain))
{
Console.WriteLine($"Could not load {KhrSwapchain.ExtensionName}!");
}
_queueManager = new(_vk, _khrSurface, _instance, _physicalDevice, _logicalDevice, _surface, new Span <QueueFamilyProperties>(deviceQueueFamilyProperties, (int)queueFamilyPropertyCount));
Console.WriteLine($"{_queueManager.QueueCount} queues found");
SilkMarshal.Free((nint)ppDeviceExtensions);
SilkMarshal.Free((nint)ppDeviceLayers);
SilkMarshal.Free((nint)deviceQueueFamilyProperties);
break;
}
SilkMarshal.Free((nint)devices);
Console.WriteLine("Initialized Vulkan");
}
public abstract Result GetPhysicalDeviceSurfaceFormats([Count(Count = 0)] PhysicalDevice physicalDevice, [Count(Count = 0)] SurfaceKHR surface, [Count(Count = 0)] ref uint pSurfaceFormatCount, [Count(Computed = "pSurfaceFormatCount"), Flow(FlowDirection.Out)] out SurfaceFormatKHR pSurfaceFormats);
public static unsafe SwapchainCreateInfoKHR SwapchainCreateInfo(SurfaceKHR surface, uint imageCount, SurfaceFormatKHR format, PresentModeKHR presentMode,
Extent2D extent, uint graphicsQueueFamily, uint presentQueueFamily, SurfaceCapabilitiesKHR surfaceCapabilities, SwapchainKHR oldSwapchain)
{
uint[] queueFamilies = new uint[] { graphicsQueueFamily, presentQueueFamily };
SwapchainCreateInfoKHR swapchainCreateInfo = new()
{
SType = StructureType.SwapchainCreateInfoKhr,
Surface = surface,
MinImageCount = imageCount,
ImageFormat = format.Format,
ImageColorSpace = format.ColorSpace,
ImageExtent = extent,
ImageArrayLayers = 1,
ImageUsage = ImageUsageFlags.ImageUsageColorAttachmentBit,
ImageSharingMode = (graphicsQueueFamily == presentQueueFamily) ? SharingMode.Exclusive : SharingMode.Concurrent,
QueueFamilyIndexCount = (uint)((graphicsQueueFamily == presentQueueFamily) ? 0 : 2),
PreTransform = surfaceCapabilities.CurrentTransform,
CompositeAlpha = CompositeAlphaFlagsKHR.CompositeAlphaOpaqueBitKhr,
PresentMode = presentMode,
Clipped = true,
OldSwapchain = oldSwapchain
};
fixed(uint *ptr = queueFamilies)
{
swapchainCreateInfo.PQueueFamilyIndices = ptr;
}
return(swapchainCreateInfo);
}
