/// <summary>
/// Initializes a new instance of the <see cref="SwapchainCreateInfoKhr"/> structure.
/// </summary>
/// <param name="surface">
/// The <see cref="SurfaceKhr"/> that the swapchain will present images to.
/// </param>
/// <param name="imageExtent">
/// The size (in pixels) of the swapchain.
/// <para>
/// Behavior is platform-dependent when the image extent does not match the surface's <see
/// cref="SurfaceCapabilitiesKhr.CurrentExtent"/> as returned by <see cref="PhysicalDeviceExtensions.GetSurfaceCapabilitiesKhr"/>.
/// </para>
/// </param>
/// <param name="preTransform">
/// A bitmask describing the transform, relative to the presentation engine's natural
/// orientation, applied to the image content prior to presentation.
/// <para>
/// If it does not match the <see cref="SurfaceCapabilitiesKhr.CurrentTransform"/> value
/// returned by <see cref="PhysicalDeviceExtensions.GetSurfaceCapabilitiesKhr"/>, the
/// presentation engine will transform the image content as part of the presentation operation.
/// </para>
/// </param>
/// <param name="imageUsage">
/// A bitmask indicating how the application will use the swapchain's presentable images.
/// </param>
/// <param name="flags">A bitmask indicating parameters of swapchain creation.</param>
/// <param name="minImageCount">
/// The minimum number of presentable images that the application needs. The platform will
/// either create the swapchain with at least that many images, or will fail to create the swapchain.
/// </param>
/// <param name="imageFormat">A format that is valid for swapchains on the specified surface.</param>
/// <param name="compositeAlpha">
/// A bitmask indicating the alpha compositing mode to use when this surface is composited
/// together with other surfaces on certain window systems.
/// </param>
/// <param name="imageArrayLayers">
/// The number of views in a multiview/stereo surface. For non-stereoscopic-3D applications,
/// this value is 1.
/// </param>
/// <param name="presentMode">
/// The presentation mode the swapchain will use.
/// <para>
/// A swapchain's present mode determines how incoming present requests will be processed and
/// queued internally.
/// </para>
/// </param>
/// <param name="clipped">
/// Indicates whether the Vulkan implementation is allowed to discard rendering operations
/// that affect regions of the surface which are not visible.
/// </param>
/// <param name="oldSwapchain">Existing swapchain to replace, if any.</param>
public SwapchainCreateInfoKhr(
SurfaceKhr surface,
Format imageFormat,
Extent2D imageExtent,
SurfaceTransformsKhr preTransform,
PresentModeKhr presentMode,
SwapchainCreateFlagsKhr flags = 0,
int minImageCount = 2,
ImageUsages imageUsage = ImageUsages.ColorAttachment | ImageUsages.TransferDst,
CompositeAlphasKhr compositeAlpha = CompositeAlphasKhr.Opaque,
int imageArrayLayers = 1,
bool clipped = true,
SwapchainKhr oldSwapchain = null)
{
Flags = flags;
Surface = surface;
ImageUsage = imageUsage;
MinImageCount = minImageCount;
ImageFormat = imageFormat;
ImageColorSpace = 0;
ImageExtent = imageExtent;
ImageArrayLayers = imageArrayLayers;
ImageSharingMode = 0;
QueueFamilyIndices = null;
PreTransform = preTransform;
CompositeAlpha = compositeAlpha;
PresentMode = presentMode;
Clipped = clipped;
OldSwapchain = oldSwapchain;
}
/// <summary>
/// Initializes a new instance of the <see cref="SwapchainCreateInfoKhr"/> structure.
/// </summary>
/// <param name="surface">
/// The <see cref="SurfaceKhr"/> that the swapchain will present images to.
/// </param>
/// <param name="imageFormat">A format that is valid for swapchains on the specified surface.</param>
/// <param name="imageExtent">
/// The size (in pixels) of the swapchain.
/// <para>
/// Behavior is platform-dependent when the image extent does not match the surface's <see
/// cref="SurfaceCapabilitiesKhr.CurrentExtent"/> as returned by <see cref="PhysicalDeviceExtensions.GetSurfaceCapabilitiesKhr"/>.
/// </para>
/// </param>
/// <param name="minImageCount">
/// The minimum number of presentable images that the application needs. The platform will
/// either create the swapchain with at least that many images, or will fail to create the swapchain.
/// </param>
/// <param name="imageColorSpace">Color space value specifying the way the swapchain interprets image data.</param>
/// <param name="imageArrayLayers">
/// The number of views in a multiview/stereo surface.
/// <para>For non-stereoscopic-3D applications, this value is 1.</para>
/// </param>
/// <param name="imageUsage">A bitmask describing the intended usage of the (acquired) swapchain images.</param>
/// <param name="imageSharingMode">The sharing mode used for the image(s) of the swapchain.</param>
/// <param name="queueFamilyIndices">
/// Queue family indices having access to the image(s) of the swapchain when <see
/// cref="ImageSharingMode"/> is <see cref="SharingMode.Concurrent"/>.
/// </param>
/// <param name="preTransform">
/// A value describing the transform, relative to the presentation engine's natural
/// orientation, applied to the image content prior to presentation.
/// <para>
/// If it does not match the <see cref="SurfaceCapabilitiesKhr.CurrentTransform"/> value
/// returned by <see cref="PhysicalDeviceExtensions.GetSurfaceCapabilitiesKhr"/>, the
/// presentation engine will transform the image content as part of the presentation operation.
/// </para>
/// </param>
/// <param name="compositeAlpha">
/// A bitmask indicating the alpha compositing mode to use when this surface is composited
/// together with other surfaces on certain window systems.
/// </param>
/// <param name="presentMode">
/// The presentation mode the swapchain will use.
/// <para>
/// A swapchain's present mode determines how incoming present requests will be processed and
/// queued internally.
/// </para>
/// </param>
/// <param name="clipped">
/// Indicates whether the Vulkan implementation is allowed to discard rendering operations
/// that affect regions of the surface which are not visible.</param>
/// <param name="oldSwapchain">Existing swapchain to replace, if any.</param>
public SwapchainCreateInfoKhr(
SurfaceKhr surface,
Format imageFormat,
Extent2D imageExtent,
int minImageCount = 2,
ColorSpaceKhr imageColorSpace = ColorSpaceKhr.SRgbNonlinear,
int imageArrayLayers = 1,
ImageUsages imageUsage = ImageUsages.ColorAttachment | ImageUsages.TransferDst,
SharingMode imageSharingMode = SharingMode.Exclusive,
int[] queueFamilyIndices = null,
SurfaceTransformsKhr preTransform = SurfaceTransformsKhr.Identity,
CompositeAlphasKhr compositeAlpha = CompositeAlphasKhr.Opaque,
PresentModeKhr presentMode = PresentModeKhr.Fifo,
bool clipped = true,
SwapchainKhr oldSwapchain = null)
{
Flags = SwapchainCreateFlagsKhr.None;
Surface = surface;
MinImageCount = minImageCount;
ImageFormat = imageFormat;
ImageColorSpace = imageColorSpace;
ImageExtent = imageExtent;
ImageArrayLayers = imageArrayLayers;
ImageUsage = imageUsage;
ImageSharingMode = imageSharingMode;
QueueFamilyIndices = queueFamilyIndices;
PreTransform = preTransform;
CompositeAlpha = compositeAlpha;
PresentMode = presentMode;
Clipped = clipped;
OldSwapchain = oldSwapchain;
}
public static bool TryCreateSwapChain(Instance instance, PhysicalDevice physicalDevice, Device device,
SurfaceKhr surface, uint queue, ref System.Drawing.Size size,
Format format, ColorSpaceKhr colorSpace, PresentModeKhr presentMode,
ref SwapchainKhr swapchain)
{
SwapchainCreateInfoKhr swapChainCreateInfo = new SwapchainCreateInfoKhr
{
Surface = surface,
MinImageCount = 2,
ImageFormat = format,
ImageColorSpace = colorSpace,
ImageExtent = ToExtent2D(size),
ImageArrayLayers = 1,
ImageUsage = ImageUsageFlags.ColorAttachment,
ImageSharingMode = SharingMode.Exclusive,
QueueFamilyIndices = new uint[] { queue },
PreTransform = SurfaceTransformFlagsKhr.Inherit,
CompositeAlpha = CompositeAlphaFlagsKhr.Opaque, // TODO : set this to Ingerit if it can be fixed in Check
PresentMode = presentMode,
Clipped = false,
OldSwapchain = swapchain,
};
if (!CheckSwapchainCreateInfo(physicalDevice, swapChainCreateInfo, true))
{
return(false);
}
size.Width = (int)swapChainCreateInfo.ImageExtent.Width;
size.Height = (int)swapChainCreateInfo.ImageExtent.Height;
SwapchainKhr newSwapchain = device.CreateSwapchainKHR(swapChainCreateInfo);
if (newSwapchain != null)
{
swapchain = newSwapchain;
return(true);
}
return(false);
}
