Properly set up transitioning image layouts to pair well with dynamic rendering, refactor some code.
This commit is contained in:
@@ -3,330 +3,386 @@
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namespace device_libs {
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VkPhysicalDeviceProperties deviceProperties;
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VkPhysicalDeviceProperties deviceProperties;
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std::vector<VkImage> swapChainImages;
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VkFormat swapChainImageFormat;
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VkExtent2D swapChainExtent;
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std::vector<VkImage> swapChainImages;
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VkFormat swapChainImageFormat;
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VkExtent2D swapChainExtent;
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struct SwapChainSupportDetails {
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VkSurfaceCapabilitiesKHR capabilities;
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std::vector<VkSurfaceFormatKHR> formats;
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std::vector<VkPresentModeKHR> presentModes;
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};
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const std::vector<const char*> deviceExtensions = {
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VK_KHR_SWAPCHAIN_EXTENSION_NAME
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};
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SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) {
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struct SwapChainSupportDetails {
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VkSurfaceCapabilitiesKHR capabilities;
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std::vector<VkSurfaceFormatKHR> formats;
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std::vector<VkPresentModeKHR> presentModes;
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};
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const std::vector<const char *> deviceExtensions = {
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VK_KHR_SWAPCHAIN_EXTENSION_NAME};
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SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) {
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/* Swap chains are weird ngl, it's another one of those Vulkan platform agnosticity.
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The swapchain is basically a wrapper for GDI+, DXGI, X11, Wayland, etc.
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It lets us use the swap chain rather than create a different framebuffer
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handler for every targeted platform. Swap chains handle the ownership
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of buffers before sending them to the presentation engine. (still no
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fucking clue how it works though) */
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SwapChainSupportDetails details;
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/* Swap chains are weird ngl, it's another one of those Vulkan platform
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agnosticity. The swapchain is basically a wrapper for GDI+, DXGI, X11,
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Wayland, etc. It lets us use the swap chain rather than create a different
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framebuffer handler for every targeted platform. Swap chains handle the
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ownership of buffers before sending them to the presentation engine. (still
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no fucking clue how it works though) */
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SwapChainSupportDetails details;
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, Global::surface, &details.capabilities);
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, Global::surface,
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&details.capabilities);
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uint32_t formatCount;
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, Global::surface, &formatCount, nullptr);
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uint32_t formatCount;
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, Global::surface, &formatCount,
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nullptr);
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if(formatCount != 0) {
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details.formats.resize(formatCount);
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, Global::surface, &formatCount, details.formats.data());
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}
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uint32_t presentModeCount;
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, Global::surface, &presentModeCount, details.presentModes.data());
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if(presentModeCount != 0) {
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details.presentModes.resize(presentModeCount);
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, Global::surface, &presentModeCount, details.presentModes.data());
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}
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return details;
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if (formatCount != 0) {
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details.formats.resize(formatCount);
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, Global::surface, &formatCount,
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details.formats.data());
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}
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bool checkDeviceExtensionSupport(VkPhysicalDevice device) {
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uint32_t extensionCount;
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vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
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uint32_t presentModeCount;
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vkGetPhysicalDeviceSurfacePresentModesKHR(
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device, Global::surface, &presentModeCount, details.presentModes.data());
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std::vector<VkExtensionProperties> availableExtensions(extensionCount);
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vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
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std::set<std::string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
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for (const auto& extension : availableExtensions) {
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requiredExtensions.erase(extension.extensionName);
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}
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return requiredExtensions.empty();
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if (presentModeCount != 0) {
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details.presentModes.resize(presentModeCount);
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, Global::surface,
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&presentModeCount,
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details.presentModes.data());
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}
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bool isDeviceSuitable(VkPhysicalDevice device) {
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// These two are simple, create a structure to hold the apiVersion, driverVersion, vendorID, deviceID and type, name, and a few other settings.
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// Then populate it by passing in the device and the structure reference.
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vkGetPhysicalDeviceProperties(device, &deviceProperties);
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// Similarly, we can pass in the device and a deviceFeatures struct, this is quite special, it holds a struct of optional features the GPU can perform.
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// Some, like a geometry shader, and stereoscopic rendering (multiViewport) we want, so we dont return true without them.
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VkPhysicalDeviceFeatures supportedFeatures;
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vkGetPhysicalDeviceFeatures(device, &supportedFeatures);
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// We need to find a device that supports graphical operations, or else we cant do much with it! This function just runs over all the queueFamilies and sees if there
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// is a queue family with the VK_QUEUE_GRAPHICS_BIT flipped!
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Global::QueueFamilyIndices indices = Global::findQueueFamilies(device);
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bool extensionSupported = checkDeviceExtensionSupport(device);
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bool swapChainAdequate = false;
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return details;
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}
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if(extensionSupported) {
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SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
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swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
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}
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return deviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU
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&& supportedFeatures.samplerAnisotropy
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&& indices.isComplete()
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&& extensionSupported
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&& swapChainAdequate;
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bool checkDeviceExtensionSupport(VkPhysicalDevice device) {
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uint32_t extensionCount;
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vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount,
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nullptr);
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std::vector<VkExtensionProperties> availableExtensions(extensionCount);
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vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount,
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availableExtensions.data());
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std::set<std::string> requiredExtensions(deviceExtensions.begin(),
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deviceExtensions.end());
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for (const auto &extension : availableExtensions) {
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requiredExtensions.erase(extension.extensionName);
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}
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// -------------------------------------- Swap Chain Settings ----------------------------------------- //
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VkSurfaceFormatKHR chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats) {
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// One of three settings we can set, Surface Format controls the color space and format.
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for (const auto& availableFormat : availableFormats) {
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if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
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// sRGB & 32bit BGRA
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return availableFormat;
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}
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}
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return availableFormats[0];
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return requiredExtensions.empty();
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}
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bool isDeviceSuitable(VkPhysicalDevice device) {
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// These two are simple, create a structure to hold the apiVersion,
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// driverVersion, vendorID, deviceID and type, name, and a few other settings.
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// Then populate it by passing in the device and the structure reference.
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vkGetPhysicalDeviceProperties(device, &deviceProperties);
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// Similarly, we can pass in the device and a deviceFeatures struct, this is
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// quite special, it holds a struct of optional features the GPU can perform.
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// Some, like a geometry shader, and stereoscopic rendering (multiViewport) we
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// want, so we dont return true without them.
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VkPhysicalDeviceFeatures supportedFeatures;
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vkGetPhysicalDeviceFeatures(device, &supportedFeatures);
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// We need to find a device that supports graphical operations, or else we
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// cant do much with it! This function just runs over all the queueFamilies
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// and sees if there is a queue family with the VK_QUEUE_GRAPHICS_BIT flipped!
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Global::QueueFamilyIndices indices = Global::findQueueFamilies(device);
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bool extensionSupported = checkDeviceExtensionSupport(device);
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bool swapChainAdequate = false;
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if (extensionSupported) {
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SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
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swapChainAdequate = !swapChainSupport.formats.empty() &&
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!swapChainSupport.presentModes.empty();
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}
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VkPresentModeKHR chooseSwapPresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes) {
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// The second of the three settings, arguably the most important, the presentation mode! This dictates how images are displayed.
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// MAILBOX is basically equivalent to triple buffering, it avoids screen tearing with fairly low latency,
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// However, it is not always supported, so in the case that it isn't, currently we will default to FIFO,
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// This is most similarly to standard V-Sync.
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for(const auto& availablePresentMode : availablePresentModes) {
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if(availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
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return availablePresentMode;
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}
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}
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return VK_PRESENT_MODE_FIFO_KHR;
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}
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VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window) {
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// Swap Extent is just a fancy way of saying the resolution of the swap images to display.
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// This is almost always going to equal the resolution of the window in pixels.
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// The max int32 value tells us that the window manager lets us change the windth and height to what we wish!
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if (capabilities.currentExtent.width != std::numeric_limits<uint32_t>::max()) {
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return capabilities.currentExtent;
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} else {
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int width, height;
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glfwGetFramebufferSize(window, &width, &height);
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return deviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
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supportedFeatures.samplerAnisotropy && indices.isComplete() &&
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extensionSupported && swapChainAdequate;
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}
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// -------------------------------------- Swap Chain Settings
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// ----------------------------------------- //
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VkSurfaceFormatKHR chooseSwapSurfaceFormat(
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const std::vector<VkSurfaceFormatKHR> &availableFormats) {
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// One of three settings we can set, Surface Format controls the color space
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// and format.
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VkExtent2D actualExtent = {
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static_cast<uint32_t>(width),
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static_cast<uint32_t>(height)
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};
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// Clamp the image size to the minimum extent values specified by vulkan for our window manager.
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actualExtent.width = std::clamp(actualExtent.width, capabilities.minImageExtent.width, capabilities.maxImageExtent.width);
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actualExtent.height = std::clamp(actualExtent.height, capabilities.minImageExtent.height, capabilities.maxImageExtent.height);
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return actualExtent;
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for (const auto &availableFormat : availableFormats) {
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if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB &&
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availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
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// sRGB & 32bit BGRA
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return availableFormat;
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}
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}
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// --------------------------------------- External Functions ----------------------------------------- //
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void DeviceControl::pickPhysicalDevice(VkInstance& instance) {
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uint32_t deviceCount = 0;
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vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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if(deviceCount == 0) {
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throw std::runtime_error("Failed to find GPU's with Vulkan Support!!");
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}
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std::vector<VkPhysicalDevice> devices(deviceCount); // Direct Initialization is weird af, yo
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vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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for(const auto& device : devices) {
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if(isDeviceSuitable(device)) {
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//Once we have buttons or such, maybe ask the user or write a config file for which GPU to use?
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Global::physicalDevice = device;
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break;
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}
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}
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if(Global::physicalDevice == VK_NULL_HANDLE) {
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throw std::runtime_error("Failed to find a suitable GPU!");
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return availableFormats[0];
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}
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VkPresentModeKHR chooseSwapPresentMode(
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const std::vector<VkPresentModeKHR> &availablePresentModes) {
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// The second of the three settings, arguably the most important, the
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// presentation mode! This dictates how images are displayed. MAILBOX is
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// basically equivalent to triple buffering, it avoids screen tearing with
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// fairly low latency, However, it is not always supported, so in the case
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// that it isn't, currently we will default to FIFO, This is most similarly to
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// standard V-Sync.
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for (const auto &availablePresentMode : availablePresentModes) {
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if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
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return availablePresentMode;
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}
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}
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void DeviceControl::destroySurface(VkInstance& instance) {
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vkDestroySurfaceKHR(instance, Global::surface, nullptr);
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return VK_PRESENT_MODE_FIFO_KHR;
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}
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VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR &capabilities,
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GLFWwindow *window) {
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// Swap Extent is just a fancy way of saying the resolution of the swap images
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// to display. This is almost always going to equal the resolution of the
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// window in pixels.
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// The max int32 value tells us that the window manager lets us change the
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// windth and height to what we wish!
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if (capabilities.currentExtent.width !=
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std::numeric_limits<uint32_t>::max()) {
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return capabilities.currentExtent;
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} else {
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int width, height;
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glfwGetFramebufferSize(window, &width, &height);
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VkExtent2D actualExtent = {static_cast<uint32_t>(width),
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static_cast<uint32_t>(height)};
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// Clamp the image size to the minimum extent values specified by vulkan for
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// our window manager.
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actualExtent.width =
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std::clamp(actualExtent.width, capabilities.minImageExtent.width,
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capabilities.maxImageExtent.width);
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actualExtent.height =
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std::clamp(actualExtent.height, capabilities.minImageExtent.height,
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capabilities.maxImageExtent.height);
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return actualExtent;
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}
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void DeviceControl::createSurface(VkInstance& instance, GLFWwindow* window) {
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if(glfwCreateWindowSurface(instance, window, nullptr, &Global::surface) != VK_SUCCESS) {
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throw std::runtime_error("Failed to create window surface!!");
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}
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// --------------------------------------- External Functions
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// ----------------------------------------- //
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void DeviceControl::pickPhysicalDevice(VkInstance &instance) {
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uint32_t deviceCount = 0;
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vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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if (deviceCount == 0) {
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throw std::runtime_error("Failed to find GPU's with Vulkan Support!!");
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}
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std::vector<VkPhysicalDevice> devices(
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deviceCount); // Direct Initialization is weird af, yo
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vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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for (const auto &device : devices) {
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if (isDeviceSuitable(device)) {
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// Once we have buttons or such, maybe ask the user or write a config file
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// for which GPU to use?
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Global::physicalDevice = device;
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break;
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}
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}
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void DeviceControl::createLogicalDevice() {
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// Describe how many queues we want for a single family (1) here, right now we are solely interested in graphics capabilites,
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// but Compute Shaders, transfer ops, decode and encode operations can also queued with setup! We also assign each queue a priority.
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// We do this by looping over all the queueFamilies and sorting them by indices to fill the queue at the end!
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Global::QueueFamilyIndices indices = Global::findQueueFamilies(Global::physicalDevice);
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if (Global::physicalDevice == VK_NULL_HANDLE) {
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throw std::runtime_error("Failed to find a suitable GPU!");
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}
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}
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void DeviceControl::destroySurface(VkInstance &instance) {
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vkDestroySurfaceKHR(instance, Global::surface, nullptr);
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}
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void DeviceControl::createSurface(VkInstance &instance, GLFWwindow *window) {
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if (glfwCreateWindowSurface(instance, window, nullptr, &Global::surface) !=
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VK_SUCCESS) {
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throw std::runtime_error("Failed to create window surface!!");
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}
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}
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void DeviceControl::createLogicalDevice() {
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// Describe how many queues we want for a single family (1) here, right now we
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// are solely interested in graphics capabilites, but Compute Shaders,
|
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// transfer ops, decode and encode operations can also queued with setup! We
|
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// also assign each queue a priority. We do this by looping over all the
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// queueFamilies and sorting them by indices to fill the queue at the end!
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Global::QueueFamilyIndices indices =
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Global::findQueueFamilies(Global::physicalDevice);
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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std::set<uint32_t> uniqueQueueFamilies = {
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indices.graphicsFamily.value(),
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indices.presentFamily.value()
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};
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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std::set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(),
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indices.presentFamily.value()};
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float queuePriority = 1.0f;
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for(uint32_t queueFamily : uniqueQueueFamilies) {
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VkDeviceQueueCreateInfo queueCreateSingularInfo = {};
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queueCreateSingularInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueCreateSingularInfo.queueFamilyIndex = queueFamily;
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queueCreateSingularInfo.queueCount = 1;
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queueCreateSingularInfo.pQueuePriorities = &queuePriority;
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queueCreateInfos.push_back(queueCreateSingularInfo);
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}
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VkPhysicalDeviceVulkan13Features features13 {
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float queuePriority = 1.0f;
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for (uint32_t queueFamily : uniqueQueueFamilies) {
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VkDeviceQueueCreateInfo queueCreateSingularInfo = {};
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queueCreateSingularInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueCreateSingularInfo.queueFamilyIndex = queueFamily;
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queueCreateSingularInfo.queueCount = 1;
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queueCreateSingularInfo.pQueuePriorities = &queuePriority;
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queueCreateInfos.push_back(queueCreateSingularInfo);
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}
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VkPhysicalDeviceVulkan13Features features13{
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.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_3_FEATURES,
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.pNext = nullptr,
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.synchronization2 = true,
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.dynamicRendering = true,
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};
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VkPhysicalDeviceFeatures featuresBase {
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};
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VkPhysicalDeviceFeatures featuresBase{
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.samplerAnisotropy = true,
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};
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};
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VkPhysicalDeviceFeatures2 deviceFeatures {
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VkPhysicalDeviceFeatures2 deviceFeatures{
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.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2,
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.pNext = &features13,
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.features = featuresBase,
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};
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};
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VkDeviceCreateInfo createDeviceInfo = {};
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createDeviceInfo.pNext = &deviceFeatures;
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createDeviceInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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createDeviceInfo.pQueueCreateInfos = queueCreateInfos.data();
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createDeviceInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
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createDeviceInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
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createDeviceInfo.ppEnabledExtensionNames = deviceExtensions.data();
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VkDeviceCreateInfo createDeviceInfo = {};
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createDeviceInfo.pNext = &deviceFeatures;
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createDeviceInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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createDeviceInfo.pQueueCreateInfos = queueCreateInfos.data();
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createDeviceInfo.queueCreateInfoCount =
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static_cast<uint32_t>(queueCreateInfos.size());
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createDeviceInfo.enabledExtensionCount =
|
||||
static_cast<uint32_t>(deviceExtensions.size());
|
||||
createDeviceInfo.ppEnabledExtensionNames = deviceExtensions.data();
|
||||
|
||||
if(vkCreateDevice(Global::physicalDevice, &createDeviceInfo, nullptr, &Global::device) != VK_SUCCESS) {
|
||||
throw std::runtime_error("Failed to create logical device");
|
||||
}
|
||||
vkGetDeviceQueue(Global::device, indices.graphicsFamily.value(), 0, &Global::graphicsQueue);
|
||||
vkGetDeviceQueue(Global::device, indices.presentFamily.value(), 0, &Global::presentQueue);
|
||||
if (vkCreateDevice(Global::physicalDevice, &createDeviceInfo, nullptr,
|
||||
&Global::device) != VK_SUCCESS) {
|
||||
throw std::runtime_error("Failed to create logical device");
|
||||
}
|
||||
void DeviceControl::createSwapChain(GLFWwindow* window) {
|
||||
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(Global::physicalDevice);
|
||||
|
||||
VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
|
||||
VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
|
||||
VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities, window);
|
||||
|
||||
// Number of images to hold in the swap chain, 1 over the minimum guarantees we won't have to wait on the driver to complete
|
||||
// internal operations before acquiring another image. Absolutely a TODO to determine the best amount to queue.
|
||||
uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
|
||||
// Make sure not to queue more than the max! 0 indicates that there is no maximum.
|
||||
if (swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount) {
|
||||
imageCount = swapChainSupport.capabilities.maxImageCount;
|
||||
}
|
||||
|
||||
VkSwapchainCreateInfoKHR createSwapChainInfo{};
|
||||
createSwapChainInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
|
||||
createSwapChainInfo.surface = Global::surface;
|
||||
createSwapChainInfo.minImageCount = imageCount;
|
||||
createSwapChainInfo.imageFormat = surfaceFormat.format;
|
||||
createSwapChainInfo.imageColorSpace = surfaceFormat.colorSpace;
|
||||
createSwapChainInfo.imageExtent = extent;
|
||||
// Image array layers is always 1 unless we are developing for VR (Spoiler: we are, we will use a build flag.)
|
||||
// Image Usage specifies what operations you use the images for, COLOR_ATTACH means we render directly to them,
|
||||
// if you wanted to render to separate images for things like post processing, you can use TRANSFER_DST and use a
|
||||
// memory operation to transfer the image to a swap chain, this is also a TODO item eventually.
|
||||
createSwapChainInfo.imageArrayLayers = 1;
|
||||
createSwapChainInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
|
||||
|
||||
// This handles swap chain images across multiple queue families, ie, if the graphics queue family is different from the present queue
|
||||
Global::QueueFamilyIndices indices = Global::findQueueFamilies(Global::physicalDevice);
|
||||
uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
|
||||
// Usage across multiple queue families without explicit transfer of ownership if they are different queue families.
|
||||
// Otherwise, no sharing without explicit handoffs, faster, but not easily supported with multiple families.
|
||||
// Presentation and Graphics families are usually merged on most hardware.
|
||||
if (indices.graphicsFamily != indices.presentFamily) {
|
||||
createSwapChainInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
|
||||
createSwapChainInfo.queueFamilyIndexCount = 2;
|
||||
createSwapChainInfo.pQueueFamilyIndices = queueFamilyIndices;
|
||||
} else {
|
||||
createSwapChainInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
||||
}
|
||||
// Transformation of image support.
|
||||
createSwapChainInfo.preTransform = swapChainSupport.capabilities.currentTransform;
|
||||
// Do NOT blend with other windows on the system.
|
||||
createSwapChainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
|
||||
createSwapChainInfo.presentMode = presentMode;
|
||||
// This is interesting, clip pixels that are obscured for performance, but that means you wont be able to read them reliably..
|
||||
// I am curious if this would affect screen-space rendering techniques, may be something to note.
|
||||
createSwapChainInfo.clipped = VK_TRUE;
|
||||
// This is something that needs to be implemented later, operations like resizing the window invalidate the swap chain and
|
||||
// require you to recreate it and reference the old one specified here, will revisit in a few days.
|
||||
//createSwapChainInfo.oldSwapchain = VK_NULL_HANDLE;
|
||||
|
||||
if(vkCreateSwapchainKHR(Global::device, &createSwapChainInfo, nullptr, &Global::swapChain) != VK_SUCCESS) {
|
||||
throw std::runtime_error("Failed to create the swap chain!!");
|
||||
}
|
||||
|
||||
vkGetSwapchainImagesKHR(Global::device, Global::swapChain, &imageCount, nullptr);
|
||||
swapChainImages.resize(imageCount);
|
||||
vkGetSwapchainImagesKHR(Global::device, Global::swapChain, &imageCount, swapChainImages.data());
|
||||
|
||||
swapChainImageFormat = surfaceFormat.format;
|
||||
swapChainExtent = extent;
|
||||
}
|
||||
void DeviceControl::destroySwapChain() {
|
||||
vkDestroySwapchainKHR(Global::device, Global::swapChain, nullptr);
|
||||
}
|
||||
VkImageView DeviceControl::createImageView(VkImage image, VkFormat format, VkImageAspectFlags flags, uint32_t mipLevels) {
|
||||
// This defines the parameters of a newly created image object!
|
||||
VkImageViewCreateInfo viewInfo{};
|
||||
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
||||
viewInfo.image = image;
|
||||
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
||||
viewInfo.format = format;
|
||||
viewInfo.subresourceRange.aspectMask = flags;
|
||||
viewInfo.subresourceRange.baseMipLevel = 0;
|
||||
viewInfo.subresourceRange.levelCount = 1;
|
||||
viewInfo.subresourceRange.baseArrayLayer = 0;
|
||||
viewInfo.subresourceRange.layerCount = 1;
|
||||
viewInfo.subresourceRange.levelCount = mipLevels;
|
||||
|
||||
VkImageView imageView;
|
||||
if (vkCreateImageView(Global::device, &viewInfo, nullptr, &imageView) != VK_SUCCESS) {
|
||||
throw std::runtime_error("failed to create image view!");
|
||||
}
|
||||
|
||||
return imageView;
|
||||
}
|
||||
void DeviceControl::createImageViews() {
|
||||
Global::swapChainImageViews.resize(swapChainImages.size());
|
||||
|
||||
for (uint32_t i = 0; i < swapChainImages.size(); i++) {
|
||||
Global::swapChainImageViews[i] = createImageView(swapChainImages[i], swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1);
|
||||
}
|
||||
}
|
||||
void DeviceControl::destroyImageViews() {
|
||||
for (auto imageView : Global::swapChainImageViews) {
|
||||
vkDestroyImageView(Global::device, imageView, nullptr);
|
||||
}
|
||||
}
|
||||
// --------------------------------------- Getters & Setters ------------------------------------------ //
|
||||
VkFormat* DeviceControl::getImageFormat() {
|
||||
return &swapChainImageFormat;
|
||||
}
|
||||
VkExtent2D DeviceControl::getSwapChainExtent() {
|
||||
return swapChainExtent;
|
||||
}
|
||||
std::vector<VkImage> DeviceControl::getSwapChainImages() {
|
||||
return swapChainImages;
|
||||
}
|
||||
|
||||
vkGetDeviceQueue(Global::device, indices.graphicsFamily.value(), 0,
|
||||
&Global::graphicsQueue);
|
||||
vkGetDeviceQueue(Global::device, indices.presentFamily.value(), 0,
|
||||
&Global::presentQueue);
|
||||
}
|
||||
void DeviceControl::createSwapChain(GLFWwindow *window) {
|
||||
SwapChainSupportDetails swapChainSupport =
|
||||
querySwapChainSupport(Global::physicalDevice);
|
||||
|
||||
VkSurfaceFormatKHR surfaceFormat =
|
||||
chooseSwapSurfaceFormat(swapChainSupport.formats);
|
||||
VkPresentModeKHR presentMode =
|
||||
chooseSwapPresentMode(swapChainSupport.presentModes);
|
||||
VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities, window);
|
||||
|
||||
// Number of images to hold in the swap chain, 1 over the minimum guarantees
|
||||
// we won't have to wait on the driver to complete internal operations before
|
||||
// acquiring another image. Absolutely a TODO to determine the best amount to
|
||||
// queue.
|
||||
uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
|
||||
// Make sure not to queue more than the max! 0 indicates that there is no
|
||||
// maximum.
|
||||
if (swapChainSupport.capabilities.maxImageCount > 0 &&
|
||||
imageCount > swapChainSupport.capabilities.maxImageCount) {
|
||||
imageCount = swapChainSupport.capabilities.maxImageCount;
|
||||
}
|
||||
|
||||
VkSwapchainCreateInfoKHR createSwapChainInfo{};
|
||||
createSwapChainInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
|
||||
createSwapChainInfo.surface = Global::surface;
|
||||
createSwapChainInfo.minImageCount = imageCount;
|
||||
createSwapChainInfo.imageFormat = surfaceFormat.format;
|
||||
createSwapChainInfo.imageColorSpace = surfaceFormat.colorSpace;
|
||||
createSwapChainInfo.imageExtent = extent;
|
||||
// Image array layers is always 1 unless we are developing for VR (Spoiler: we
|
||||
// are, we will use a build flag.) Image Usage specifies what operations you
|
||||
// use the images for, COLOR_ATTACH means we render directly to them, if you
|
||||
// wanted to render to separate images for things like post processing, you
|
||||
// can use TRANSFER_DST and use a memory operation to transfer the image to a
|
||||
// swap chain, this is also a TODO item eventually.
|
||||
createSwapChainInfo.imageArrayLayers = 1;
|
||||
createSwapChainInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
|
||||
|
||||
// This handles swap chain images across multiple queue families, ie, if the
|
||||
// graphics queue family is different from the present queue
|
||||
Global::QueueFamilyIndices indices =
|
||||
Global::findQueueFamilies(Global::physicalDevice);
|
||||
uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(),
|
||||
indices.presentFamily.value()};
|
||||
// Usage across multiple queue families without explicit transfer of ownership
|
||||
// if they are different queue families. Otherwise, no sharing without
|
||||
// explicit handoffs, faster, but not easily supported with multiple families.
|
||||
// Presentation and Graphics families are usually merged on most hardware.
|
||||
if (indices.graphicsFamily != indices.presentFamily) {
|
||||
createSwapChainInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
|
||||
createSwapChainInfo.queueFamilyIndexCount = 2;
|
||||
createSwapChainInfo.pQueueFamilyIndices = queueFamilyIndices;
|
||||
} else {
|
||||
createSwapChainInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
||||
}
|
||||
// Transformation of image support.
|
||||
createSwapChainInfo.preTransform =
|
||||
swapChainSupport.capabilities.currentTransform;
|
||||
// Do NOT blend with other windows on the system.
|
||||
createSwapChainInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
|
||||
createSwapChainInfo.presentMode = presentMode;
|
||||
// This is interesting, clip pixels that are obscured for performance, but
|
||||
// that means you wont be able to read them reliably.. I am curious if this
|
||||
// would affect screen-space rendering techniques, may be something to note.
|
||||
createSwapChainInfo.clipped = VK_TRUE;
|
||||
// This is something that needs to be implemented later, operations like
|
||||
// resizing the window invalidate the swap chain and require you to recreate
|
||||
// it and reference the old one specified here, will revisit in a few days.
|
||||
// createSwapChainInfo.oldSwapchain = VK_NULL_HANDLE;
|
||||
|
||||
if (vkCreateSwapchainKHR(Global::device, &createSwapChainInfo, nullptr,
|
||||
&Global::swapChain) != VK_SUCCESS) {
|
||||
throw std::runtime_error("Failed to create the swap chain!!");
|
||||
}
|
||||
|
||||
vkGetSwapchainImagesKHR(Global::device, Global::swapChain, &imageCount,
|
||||
nullptr);
|
||||
swapChainImages.resize(imageCount);
|
||||
vkGetSwapchainImagesKHR(Global::device, Global::swapChain, &imageCount,
|
||||
swapChainImages.data());
|
||||
|
||||
swapChainImageFormat = surfaceFormat.format;
|
||||
swapChainExtent = extent;
|
||||
}
|
||||
void DeviceControl::destroySwapChain() {
|
||||
vkDestroySwapchainKHR(Global::device, Global::swapChain, nullptr);
|
||||
}
|
||||
VkImageView DeviceControl::createImageView(VkImage image, VkFormat format,
|
||||
VkImageAspectFlags flags,
|
||||
uint32_t mipLevels) {
|
||||
// This defines the parameters of a newly created image object!
|
||||
VkImageViewCreateInfo viewInfo{};
|
||||
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
||||
viewInfo.image = image;
|
||||
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
||||
viewInfo.format = format;
|
||||
viewInfo.subresourceRange.aspectMask = flags;
|
||||
viewInfo.subresourceRange.baseMipLevel = 0;
|
||||
viewInfo.subresourceRange.levelCount = 1;
|
||||
viewInfo.subresourceRange.baseArrayLayer = 0;
|
||||
viewInfo.subresourceRange.layerCount = 1;
|
||||
viewInfo.subresourceRange.levelCount = mipLevels;
|
||||
|
||||
VkImageView imageView;
|
||||
if (vkCreateImageView(Global::device, &viewInfo, nullptr, &imageView) !=
|
||||
VK_SUCCESS) {
|
||||
throw std::runtime_error("failed to create image view!");
|
||||
}
|
||||
|
||||
return imageView;
|
||||
}
|
||||
void DeviceControl::createImageViews() {
|
||||
Global::swapChainImageViews.resize(swapChainImages.size());
|
||||
|
||||
for (uint32_t i = 0; i < swapChainImages.size(); i++) {
|
||||
Global::swapChainImageViews[i] = createImageView(
|
||||
swapChainImages[i], swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1);
|
||||
}
|
||||
}
|
||||
void DeviceControl::destroyImageViews() {
|
||||
for (auto imageView : Global::swapChainImageViews) {
|
||||
vkDestroyImageView(Global::device, imageView, nullptr);
|
||||
}
|
||||
}
|
||||
// --------------------------------------- Getters & Setters
|
||||
// ------------------------------------------ //
|
||||
VkFormat *DeviceControl::getImageFormat() { return &swapChainImageFormat; }
|
||||
VkExtent2D DeviceControl::getSwapChainExtent() { return swapChainExtent; }
|
||||
std::vector<VkImage> DeviceControl::getSwapChainImages() {
|
||||
return swapChainImages;
|
||||
}
|
||||
|
||||
} // namespace device_libs
|
||||
|
||||
Reference in New Issue
Block a user