public override void Activate()
{
if (state != ActivableState.Activated)
{
presentComplete = Dev.CreateSemaphore();
presentComplete.SetDebugMarkerName(Dev, "Semaphore PresentComplete");
}
base.Activate();
}
/// <summary>
/// Create/recreate swapchain and populate images array
/// </summary>
public void Create()
{
Dev.WaitIdle();
VkSurfaceCapabilitiesKHR capabilities = Dev.phy.GetSurfaceCapabilities(presentQueue.Surface);
createInfos.minImageCount = capabilities.minImageCount;
createInfos.preTransform = capabilities.currentTransform;
createInfos.oldSwapchain = Handle;
if (capabilities.currentExtent.width == 0xFFFFFFFF)
{
if (createInfos.imageExtent.width < capabilities.minImageExtent.width)
{
createInfos.imageExtent.width = capabilities.minImageExtent.width;
}
else if (createInfos.imageExtent.width > capabilities.maxImageExtent.width)
{
createInfos.imageExtent.width = capabilities.maxImageExtent.width;
}
if (createInfos.imageExtent.height < capabilities.minImageExtent.height)
{
createInfos.imageExtent.height = capabilities.minImageExtent.height;
}
else if (createInfos.imageExtent.height > capabilities.maxImageExtent.height)
{
createInfos.imageExtent.height = capabilities.maxImageExtent.height;
}
}
else
{
createInfos.imageExtent = capabilities.currentExtent;
}
Utils.CheckResult(vkCreateSwapchainKHR(Dev.VkDev, ref createInfos, IntPtr.Zero, out VkSwapchainKHR newSwapChain));
if (Handle.Handle != 0)
{
_destroy();
}
presentComplete = Dev.CreateSemaphore();
presentComplete.SetDebugMarkerName(Dev, "Semaphore PresentComplete");
Handle = newSwapChain;
Utils.CheckResult(vkGetSwapchainImagesKHR(Dev.VkDev, Handle, out uint imageCount, IntPtr.Zero));
if (imageCount == 0)
{
throw new Exception("Swapchain image count is 0.");
}
VkImage[] imgs = new VkImage[imageCount];
Utils.CheckResult(vkGetSwapchainImagesKHR(Dev.VkDev, Handle, out imageCount, imgs.Pin()));
imgs.Unpin();
images = new Image[imgs.Length];
for (int i = 0; i < imgs.Length; i++)
{
images[i] = new Image(Dev, imgs[i], ColorFormat, ImageUsage, Width, Height);
images[i].CreateView();
images[i].SetName("SwapChain Img" + i);
images[i].Descriptor.imageView.SetDebugMarkerName(Dev, "SwapChain Img" + i + " view");
}
}