public SurfaceCapabilitiesKHR
(
uint minImageCount = default,
uint maxImageCount = default,
Extent2D currentExtent = default,
Extent2D minImageExtent = default,
Extent2D maxImageExtent = default,
uint maxImageArrayLayers = default,
SurfaceTransformFlagsKHR supportedTransforms = default,
SurfaceTransformFlagsKHR currentTransform = default,
CompositeAlphaFlagsKHR supportedCompositeAlpha = default,
ImageUsageFlags supportedUsageFlags = default
)
{
MinImageCount = minImageCount;
MaxImageCount = maxImageCount;
CurrentExtent = currentExtent;
MinImageExtent = minImageExtent;
MaxImageExtent = maxImageExtent;
MaxImageArrayLayers = maxImageArrayLayers;
SupportedTransforms = supportedTransforms;
CurrentTransform = currentTransform;
SupportedCompositeAlpha = supportedCompositeAlpha;
SupportedUsageFlags = supportedUsageFlags;
}
public SurfaceCapabilities2EXT
(
StructureType sType = StructureType.SurfaceCapabilities2Ext,
void *pNext = default,
uint minImageCount = default,
uint maxImageCount = default,
Extent2D currentExtent = default,
Extent2D minImageExtent = default,
Extent2D maxImageExtent = default,
uint maxImageArrayLayers = default,
SurfaceTransformFlagsKHR supportedTransforms = default,
SurfaceTransformFlagsKHR currentTransform = default,
CompositeAlphaFlagsKHR supportedCompositeAlpha = default,
ImageUsageFlags supportedUsageFlags = default,
SurfaceCounterFlagsEXT supportedSurfaceCounters = default
)
{
SType = sType;
PNext = pNext;
MinImageCount = minImageCount;
MaxImageCount = maxImageCount;
CurrentExtent = currentExtent;
MinImageExtent = minImageExtent;
MaxImageExtent = maxImageExtent;
MaxImageArrayLayers = maxImageArrayLayers;
SupportedTransforms = supportedTransforms;
CurrentTransform = currentTransform;
SupportedCompositeAlpha = supportedCompositeAlpha;
SupportedUsageFlags = supportedUsageFlags;
SupportedSurfaceCounters = supportedSurfaceCounters;
}
public SwapchainCreateInfoKHR
(
StructureType sType = StructureType.SwapchainCreateInfoKhr,
void *pNext = default,
SwapchainCreateFlagsKHR flags = default,
SurfaceKHR surface = default,
uint minImageCount = default,
Format imageFormat = default,
ColorSpaceKHR imageColorSpace = default,
Extent2D imageExtent = default,
uint imageArrayLayers = default,
ImageUsageFlags imageUsage = default,
SharingMode imageSharingMode = default,
uint queueFamilyIndexCount = default,
uint *pQueueFamilyIndices = default,
SurfaceTransformFlagsKHR preTransform = default,
CompositeAlphaFlagsKHR compositeAlpha = default,
PresentModeKHR presentMode = default,
Bool32 clipped = default,
SwapchainKHR oldSwapchain = default
)
{
SType = sType;
PNext = pNext;
Flags = flags;
Surface = surface;
MinImageCount = minImageCount;
ImageFormat = imageFormat;
ImageColorSpace = imageColorSpace;
ImageExtent = imageExtent;
ImageArrayLayers = imageArrayLayers;
ImageUsage = imageUsage;
ImageSharingMode = imageSharingMode;
QueueFamilyIndexCount = queueFamilyIndexCount;
PQueueFamilyIndices = pQueueFamilyIndices;
PreTransform = preTransform;
CompositeAlpha = compositeAlpha;
PresentMode = presentMode;
Clipped = clipped;
OldSwapchain = oldSwapchain;
}
public _SwapchainCreateInfoKHR(SwapchainCreateInfoKHR info)
{
SType = info.type;
Next = info.next;
Flags = info.flags;
Surface = info.surface;
MinImageCount = info.minImageCount;
ImageFormat = info.imageFormat;
ImageColorSpace = info.imageColorSpace;
ImageExtent = info.imageExtent;
ImageArrayLayers = info.imageArrayLayers;
ImageUsage = info.imageUsage;
ImageSharingMode = info.imageSharingMode;
QueueFamilyIndexCount = (UInt32)(info.queueFamilyIndices?.Count ?? 0);
QueueFamilyIndices = info.queueFamilyIndices != null?Alloc.alloc(info.queueFamilyIndices) : IntPtr.Zero;
PreTransform = info.preTransform;
CompositeAlpha = info.compositeAlpha;
PresentMode = info.presentMode;
Clipped = info.clipped;
OldSwapchain = info.oldSwapchain;
}
/// <param name="Surface">The swapchain's target surface</param>
/// <param name="MinImageCount">Minimum number of presentation images the application needs</param>
/// <param name="ImageFormat">Format of the presentation images</param>
/// <param name="ImageColorSpace">Colorspace of the presentation images</param>
/// <param name="ImageExtent">Dimensions of the presentation images</param>
/// <param name="ImageArrayLayers">Determines the number of views for multiview/stereo presentation</param>
/// <param name="ImageUsage">Bits indicating how the presentation images will be used</param>
/// <param name="ImageSharingMode">Sharing mode used for the presentation images</param>
/// <param name="QueueFamilyIndices">Array of queue family indices having access to the images in case of concurrent sharing mode</param>
/// <param name="PreTransform">The transform, relative to the device's natural orientation, applied to the image content prior to presentation</param>
/// <param name="CompositeAlpha">The alpha blending mode used when compositing this surface with other surfaces in the window system</param>
/// <param name="PresentMode">Which presentation mode to use for presents on this swap chain</param>
/// <param name="Clipped">Specifies whether presentable images may be affected by window clip regions</param>
public SwapchainCreateInfoKHR(SurfaceKHR Surface, UInt32 MinImageCount, Format ImageFormat, ColorSpaceKHR ImageColorSpace, Extent2D ImageExtent, UInt32 ImageArrayLayers, ImageUsageFlags ImageUsage, SharingMode ImageSharingMode, UInt32[] QueueFamilyIndices, SurfaceTransformFlagsKHR PreTransform, CompositeAlphaFlagsKHR CompositeAlpha, PresentModeKHR PresentMode, Bool32 Clipped) : this()
{
this.Surface = Surface;
this.MinImageCount = MinImageCount;
this.ImageFormat = ImageFormat;
this.ImageColorSpace = ImageColorSpace;
this.ImageExtent = ImageExtent;
this.ImageArrayLayers = ImageArrayLayers;
this.ImageUsage = ImageUsage;
this.ImageSharingMode = ImageSharingMode;
this.QueueFamilyIndices = QueueFamilyIndices;
this.PreTransform = PreTransform;
this.CompositeAlpha = CompositeAlpha;
this.PresentMode = PresentMode;
this.Clipped = Clipped;
}
private static unsafe SwapchainKHR CreateSwapchain(VulkanInstance instance, VulkanDevice device,
VulkanPhysicalDevice physicalDevice, VulkanSurface surface, out Extent2D swapchainExtent,
SwapchainKHR?oldswapchain = null, bool vsyncEnabled = true)
{
if (_swapchainExtension == null)
{
instance.Api.TryGetDeviceExtension(instance.InternalHandle, device.InternalHandle, out _swapchainExtension);
}
while (!surface.CanSurfacePresent(physicalDevice))
{
Thread.Sleep(16);
}
VulkanSurface.SurfaceExtension.GetPhysicalDeviceSurfaceCapabilities(physicalDevice.InternalHandle,
surface.ApiHandle, out var capabilities);
var imageCount = capabilities.MinImageCount + 1;
if (capabilities.MaxImageCount > 0 && imageCount > capabilities.MaxImageCount)
{
imageCount = capabilities.MaxImageCount;
}
var surfaceFormat = surface.GetSurfaceFormat(physicalDevice);
bool supportsIdentityTransform = capabilities.SupportedTransforms.HasFlag(SurfaceTransformFlagsKHR.SurfaceTransformIdentityBitKhr);
bool isRotated = capabilities.CurrentTransform.HasFlag(SurfaceTransformFlagsKHR.SurfaceTransformRotate90BitKhr) ||
capabilities.CurrentTransform.HasFlag(SurfaceTransformFlagsKHR.SurfaceTransformRotate270BitKhr);
swapchainExtent = GetSwapchainExtent(surface, capabilities);
CompositeAlphaFlagsKHR compositeAlphaFlags = GetSuitableCompositeAlphaFlags(capabilities);
PresentModeKHR presentMode = GetSuitablePresentMode(physicalDevice, surface, vsyncEnabled);
var swapchainCreateInfo = new SwapchainCreateInfoKHR
{
SType = StructureType.SwapchainCreateInfoKhr,
Surface = surface.ApiHandle,
MinImageCount = imageCount,
ImageFormat = surfaceFormat.Format,
ImageColorSpace = surfaceFormat.ColorSpace,
ImageExtent = swapchainExtent,
ImageUsage =
ImageUsageFlags.ImageUsageColorAttachmentBit | ImageUsageFlags.ImageUsageTransferDstBit,
ImageSharingMode = SharingMode.Exclusive,
ImageArrayLayers = 1,
PreTransform = supportsIdentityTransform && isRotated ?
SurfaceTransformFlagsKHR.SurfaceTransformIdentityBitKhr :
capabilities.CurrentTransform,
CompositeAlpha = compositeAlphaFlags,
PresentMode = presentMode,
Clipped = true,
OldSwapchain = oldswapchain ?? new SwapchainKHR()
};
_swapchainExtension.CreateSwapchain(device.InternalHandle, swapchainCreateInfo, null, out var swapchain)
.ThrowOnError();
if (oldswapchain != null)
{
_swapchainExtension.DestroySwapchain(device.InternalHandle, oldswapchain.Value, null);
}
return(swapchain);
}
