private void CreateLogicalDevice()
{
var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface);
var queueCreateInfos = new DeviceQueueCreateInfo[]
{
new DeviceQueueCreateInfo()
{
QueueFamilyIndex = (uint)indices.GraphicsFamily,
QueueCount = 1,
QueuePriorities = new float[] { 1.0f },
}
};
var createInfo = new DeviceCreateInfo()
{
EnabledExtensionNames = new string[] { "VK_KHR_swapchain" },
QueueCreateInfos = queueCreateInfos,
EnabledFeatures = new PhysicalDeviceFeatures(),
};
vkDevice = vkPhysicalDevice.CreateDevice(createInfo);
vkGraphicsQueue = vkDevice.GetQueue((uint)indices.GraphicsFamily, 0);
vkPresentQueue = vkDevice.GetQueue((uint)indices.PresentFamily, 0);
}
private void CreateCommandPool()
{
var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface);
var poolInfo = new CommandPoolCreateInfo()
{
QueueFamilyIndex = (uint)indices.GraphicsFamily,
Flags = 0,
};
vkCommandPool = vkDevice.CreateCommandPool(poolInfo);
}
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;
}