private void DestroySwapchain()
{
if (swapchain != SharpVulkan.Swapchain.Null)
{
context.WaitForFence(swapchainDestroyFenceValue);
swapchainDestroyFenceValue = context.NextFenceValue;
foreach (var i in framebuffers)
{
context.Release(i);
}
foreach (var i in backbufferViews)
{
context.Release(i);
}
foreach (var i in acquirementSemaphores)
{
context.Release(i);
}
context.Release(depthStencilView);
context.Release(depthStencilBuffer);
context.Release(depthStencilMemory);
context.Release(renderPass);
context.Release(swapchain);
context.Flush();
swapchain = SharpVulkan.Swapchain.Null;
}
}
private void CreateSwapchain()
{
var surfaceFormats = context.PhysicalDevice.GetSurfaceFormats(surface);
if (surfaceFormats.Length == 1 && surfaceFormats[0].Format == SharpVulkan.Format.Undefined)
{
backbufferFormat = SharpVulkan.Format.B8G8R8A8UNorm;
}
else
{
backbufferFormat = surfaceFormats[0].Format;
}
context.PhysicalDevice.GetSurfaceCapabilities(surface, out var surfaceCapabilities);
if (width < surfaceCapabilities.MinImageExtent.Width || height < surfaceCapabilities.MinImageExtent.Height ||
width > surfaceCapabilities.MaxImageExtent.Width || height > surfaceCapabilities.MaxImageExtent.Height
)
{
throw new InvalidOperationException();
}
var desiredBufferCount = 3U;
if (desiredBufferCount < surfaceCapabilities.MinImageCount)
{
desiredBufferCount = surfaceCapabilities.MinImageCount;
}
else if (surfaceCapabilities.MaxImageCount > 0 && desiredBufferCount > surfaceCapabilities.MaxImageCount)
{
desiredBufferCount = surfaceCapabilities.MaxImageCount;
}
var preTransform = SharpVulkan.SurfaceTransformFlags.Identity;
if ((surfaceCapabilities.SupportedTransforms & preTransform) == 0)
{
throw new NotSupportedException();
}
var compositeAlpha = SharpVulkan.CompositeAlphaFlags.Opaque;
if ((surfaceCapabilities.SupportedCompositeAlpha & compositeAlpha) == 0)
{
throw new NotSupportedException();
}
var backbufferUsage = SharpVulkan.ImageUsageFlags.ColorAttachment;
if ((surfaceCapabilities.SupportedUsageFlags & backbufferUsage) == 0)
{
throw new NotSupportedException();
}
var supportedPresentModes = context.PhysicalDevice.GetSurfacePresentModes(surface);
var presentMode = SharpVulkan.PresentMode.Fifo;
if (!vSync)
{
if (Array.IndexOf(supportedPresentModes, SharpVulkan.PresentMode.Immediate) >= 0)
{
presentMode = SharpVulkan.PresentMode.Immediate;
}
else if (Array.IndexOf(supportedPresentModes, SharpVulkan.PresentMode.Mailbox) >= 0)
{
presentMode = SharpVulkan.PresentMode.Mailbox;
}
}
var oldSwapchain = swapchain;
DestroySwapchain();
var createInfo = new SharpVulkan.SwapchainCreateInfo {
StructureType = SharpVulkan.StructureType.SwapchainCreateInfo,
Surface = surface,
PresentMode = presentMode,
PreTransform = preTransform,
CompositeAlpha = compositeAlpha,
ImageUsage = backbufferUsage,
ImageFormat = backbufferFormat,
ImageColorSpace = SharpVulkan.ColorSpace.SRgbNonlinear,
ImageExtent = new SharpVulkan.Extent2D((uint)width, (uint)height),
ImageArrayLayers = 1,
ImageSharingMode = SharpVulkan.SharingMode.Exclusive,
MinImageCount = desiredBufferCount,
Clipped = true,
OldSwapchain = oldSwapchain
};
swapchain = context.Device.CreateSwapchain(ref createInfo);
CreateBackbuffers();
CreateDepthStencilBuffer();
CreateRenderPass();
CreateFramebuffers();
AcquireNextImage();
}
