private void CreateSwapChain() { var swapChainSupport = new SwapChainSupportDetails(vkPhysicalDevice, vkSurface); SurfaceFormatKhr surfaceFormat = ChooseSwapSurfaceFormat(swapChainSupport.formats); PresentModeKhr presentMode = ChooseSwapPresentMode(swapChainSupport.presentModes); Extent2D extent = ChooseSwapExtent(swapChainSupport.capabilities); uint imageCount = swapChainSupport.capabilities.MinImageCount + 1; if (swapChainSupport.capabilities.MaxImageCount > 0) { imageCount = Math.Min(imageCount, swapChainSupport.capabilities.MaxImageCount); } var createInfo = new SwapchainCreateInfoKhr() { MinImageCount = imageCount, ImageFormat = surfaceFormat.Format, ImageColorSpace = surfaceFormat.ColorSpace, ImageExtent = extent, ImageArrayLayers = 1, ImageUsage = ImageUsageFlags.ColorAttachment, PreTransform = swapChainSupport.capabilities.CurrentTransform, CompositeAlpha = CompositeAlphaFlagsKhr.Opaque, PresentMode = presentMode, Surface = vkSurface, }; var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface); if (indices.GraphicsFamily != indices.PresentFamily) { createInfo.ImageSharingMode = SharingMode.Concurrent; createInfo.QueueFamilyIndices = new[] { (uint)indices.GraphicsFamily, (uint)indices.PresentFamily, }; } else { createInfo.ImageSharingMode = SharingMode.Exclusive; } vkSwapChain = vkDevice.CreateSwapchainKHR(createInfo); vkSwapChainImages = vkDevice.GetSwapchainImagesKHR(vkSwapChain); vkSwapChainImageFormat = surfaceFormat.Format; vkSwapChainExtent = extent; }
private void CreateSwapChain() { var swapChainSupport = new SwapChainSupportDetails(vkPhysicalDevice, vkSurface); VkSurfaceFormatKHR surfaceFormat = ChooseSwapSurfaceFormat(swapChainSupport.formats); VkPresentModeKHR presentMode = ChooseSwapPresentMode(swapChainSupport.presentModes); VkExtent2D extent = ChooseSwapExtent(swapChainSupport.capabilities); uint imageCount = swapChainSupport.capabilities.minImageCount + 1; if (swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount) { imageCount = Math.Min(imageCount, swapChainSupport.capabilities.maxImageCount); } var createInfo = new VkSwapchainCreateInfoKHR() { sType = VkStructureType.VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, surface = vkSurface, minImageCount = imageCount, imageFormat = surfaceFormat.format, imageColorSpace = surfaceFormat.colorSpace, imageExtent = extent, imageArrayLayers = 1, imageUsage = VkImageUsageFlagBits.VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, preTransform = swapChainSupport.capabilities.currentTransform, compositeAlpha = VkCompositeAlphaFlagBitsKHR.VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, presentMode = presentMode, clipped = true, }; var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface); uint *QueueFamilyIndicesPtr = stackalloc uint[] { (uint)indices.GraphicsFamily, (uint)indices.PresentFamily, }; if (indices.GraphicsFamily != indices.PresentFamily) { createInfo.imageSharingMode = VkSharingMode.VK_SHARING_MODE_CONCURRENT; createInfo.pQueueFamilyIndices = QueueFamilyIndicesPtr; } else { createInfo.imageSharingMode = VkSharingMode.VK_SHARING_MODE_EXCLUSIVE; } VkSwapchainKHR newSwapChain; var result = VulkanNative.vkCreateSwapchainKHR(vkDevice, &createInfo, null, &newSwapChain); vkSwapChain = newSwapChain; Helpers.CheckErrors(result); VulkanNative.vkGetSwapchainImagesKHR(vkDevice, vkSwapChain, &imageCount, null); VkImage *images = stackalloc VkImage[(int)imageCount]; result = VulkanNative.vkGetSwapchainImagesKHR(vkDevice, vkSwapChain, &imageCount, images); Helpers.CheckErrors(result); vkSwapChainImages = new VkImage[imageCount]; for (int i = 0; i < imageCount; i++) { vkSwapChainImages[i] = images[i]; } vkSwapChainImageFormat = surfaceFormat.format; vkSwapChainExtent = extent; }