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feat: refactor to separate files

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This commit is contained in:
Rick Rongen
2020-05-30 13:25:45 +02:00
parent 5fd5ea8564
commit 4c044a68a5
6 changed files with 300 additions and 221 deletions
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246
src/HelloTriangleApplication.cpp
View File

@@ -7,21 +7,14 @@
#include <stdexcept>
#include <optional>
#include <vector>
#include <set>
#include <thread>
#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>
#include "debugLayers.h"
#include "queues.h"
#include "util.h"
const std::vector<const char *> deviceExtensions = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
};
VkShaderModule HelloTriangleApplication::createShaderModule(const std::vector<char> &code) {
VkShaderModuleCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
@@ -29,148 +22,24 @@ VkShaderModule HelloTriangleApplication::createShaderModule(const std::vector<ch
createInfo.pCode = reinterpret_cast<const uint32_t *>(code.data());
VkShaderModule shaderModule;
if (vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
if (vkCreateShaderModule(myVkInstance->device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
throw std::runtime_error("Failed to create shader module");
}
return shaderModule;
}
bool isSuitableDevice(VkPhysicalDevice device, VkSurfaceKHR surface) {
VkPhysicalDeviceProperties deviceProperties;
VkPhysicalDeviceFeatures features;
QueueFamilyIndices indices;
vkGetPhysicalDeviceProperties(device, &deviceProperties);
vkGetPhysicalDeviceFeatures(device, &features);
indices = findQueueFamilies(device, surface);
bool extensionSupport = checkDeviceExtensionSupport(device, deviceExtensions);
bool swapChainAdequate = false;
if (extensionSupport) {
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device, surface);
swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
}
return deviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
features.geometryShader &&
indices.isComplete() &&
extensionSupport &&
swapChainAdequate;
}
void HelloTriangleApplication::run() {
initWindow();
this->myVkInstance = new MyVkInstance();
this->myVkInstance->init();
initVulkan();
mainLoop();
cleanup();
}
void HelloTriangleApplication::initWindow() {
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);
}
void HelloTriangleApplication::createInstance() {
#ifdef WITH_VALIDATION_LAYERS
if (!checkValidationLayerSupport()) {
throw std::runtime_error("validation layer support required");
}
#endif
VkApplicationInfo appInfo{};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = "Hello Triangle";
appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
appInfo.pEngineName = "No Engine";
appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
appInfo.apiVersion = VK_API_VERSION_1_0;
VkInstanceCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
auto extensions = getRequiredExtensions();
createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
createInfo.ppEnabledExtensionNames = extensions.data();
#ifdef WITH_VALIDATION_LAYERS
createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
createInfo.ppEnabledLayerNames = validationLayers.data();
#else
createInfo.enabledLayerCount = 0;
createInfo.ppEnabledLayerNames = nullptr;
#endif
if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
throw std::runtime_error("Failed to create instance!");
}
}
void HelloTriangleApplication::createSurface() {
if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
throw std::runtime_error("Failed to create surface");
}
}
void HelloTriangleApplication::pickPhysicalDevice() {
uint32_t deviceCount = 0;
vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
if (deviceCount == 0) {
throw std::runtime_error("No devices available");
}
std::vector<VkPhysicalDevice> devices(deviceCount);
vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
for (const auto &device: devices) {
if (isSuitableDevice(device, surface)) {
physicalDevice = device;
break;
}
}
if (physicalDevice == VK_NULL_HANDLE) {
throw std::runtime_error("No suitable device found");
}
}
void HelloTriangleApplication::createLogicalDevice() {
QueueFamilyIndices indices = findQueueFamilies(physicalDevice, surface);
std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
std::set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
float queuePriority = 1.0f;
for (uint32_t queueFamily : uniqueQueueFamilies) {
VkDeviceQueueCreateInfo queueCreateInfo{};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = queueFamily;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = &queuePriority;
queueCreateInfos.push_back(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures{};
VkDeviceCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.pQueueCreateInfos = queueCreateInfos.data();
createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
createInfo.ppEnabledExtensionNames = deviceExtensions.data();
createInfo.enabledLayerCount = 0;
if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
throw std::runtime_error("Failed to create logical device");
}
vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
this->myVkInstance->cleanup();
}
void HelloTriangleApplication::createSwapChain() {
QueueFamilyIndices indices = findQueueFamilies(physicalDevice, surface);
uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
SwapChainSupportDetails swapChainSupportDetails = querySwapChainSupport(physicalDevice, surface);
uint32_t queueFamilyIndices[] = {myVkInstance->indices.graphicsFamily.value(), myVkInstance->indices.presentFamily.value()};
SwapChainSupportDetails swapChainSupportDetails = querySwapChainSupport(myVkInstance->physicalDevice, myVkInstance->surface);
VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupportDetails.formats);
VkPresentModeKHR presentMode = chooseSwapChainPresentMode(swapChainSupportDetails.presentModes);
@@ -182,14 +51,14 @@ void HelloTriangleApplication::createSwapChain() {
}
VkSwapchainCreateInfoKHR createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
createInfo.surface = surface;
createInfo.surface = myVkInstance->surface;
createInfo.minImageCount = imageCount;
createInfo.imageFormat = surfaceFormat.format;
createInfo.imageColorSpace = surfaceFormat.colorSpace;
createInfo.imageExtent = extent;
createInfo.imageArrayLayers = 1;
createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
if (indices.graphicsFamily != indices.presentFamily) {
if (myVkInstance->indices.graphicsFamily != myVkInstance->indices.presentFamily) {
createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
createInfo.queueFamilyIndexCount = 2;
createInfo.pQueueFamilyIndices = queueFamilyIndices;
@@ -204,12 +73,12 @@ void HelloTriangleApplication::createSwapChain() {
createInfo.clipped = VK_TRUE;
createInfo.oldSwapchain = VK_NULL_HANDLE;
if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
if (vkCreateSwapchainKHR(myVkInstance->device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
throw std::runtime_error("Failed to create swapChain");
}
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
vkGetSwapchainImagesKHR(myVkInstance->device, swapChain, &imageCount, nullptr);
swapChainImages.resize(imageCount);
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
vkGetSwapchainImagesKHR(myVkInstance->device, swapChain, &imageCount, swapChainImages.data());
swapChainImageFormat = surfaceFormat.format;
swapChainExtent = extent;
}
@@ -232,7 +101,7 @@ void HelloTriangleApplication::createImageViews() {
createInfo.subresourceRange.baseArrayLayer = 0;
createInfo.subresourceRange.layerCount = 1;
if (vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS) {
if (vkCreateImageView(myVkInstance->device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS) {
throw std::runtime_error("Failed to create image view");
}
}
@@ -276,7 +145,7 @@ void HelloTriangleApplication::createRenderPass() {
.pDependencies = &dependency,
};
if (vkCreateRenderPass(device, &renderPassCreateInfo, nullptr, &renderPass) != VK_SUCCESS) {
if (vkCreateRenderPass(myVkInstance->device, &renderPassCreateInfo, nullptr, &renderPass) != VK_SUCCESS) {
throw std::runtime_error("Failed to create render pass");
}
}
@@ -414,7 +283,7 @@ void HelloTriangleApplication::createGraphicsPipeline() {
.pPushConstantRanges = nullptr,
};
if (vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
if (vkCreatePipelineLayout(myVkInstance->device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
throw std::runtime_error("failed to create pipeline layout");
}
@@ -437,12 +306,12 @@ void HelloTriangleApplication::createGraphicsPipeline() {
.basePipelineIndex = -1,
};
if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
if (vkCreateGraphicsPipelines(myVkInstance->device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
throw std::runtime_error("Failed to create graphics pipeline");
}
vkDestroyShaderModule(device, fragShaderModule, nullptr);
vkDestroyShaderModule(device, vertShaderModule, nullptr);
vkDestroyShaderModule(myVkInstance->device, fragShaderModule, nullptr);
vkDestroyShaderModule(myVkInstance->device, vertShaderModule, nullptr);
}
void HelloTriangleApplication::createFrameBuffers() {
@@ -460,22 +329,20 @@ void HelloTriangleApplication::createFrameBuffers() {
.height = swapChainExtent.height,
.layers = 1
};
if (vkCreateFramebuffer(device, &framebufferCreateInfo, nullptr, &swapChainFrameBuffers[i]) != VK_SUCCESS) {
if (vkCreateFramebuffer(myVkInstance->device, &framebufferCreateInfo, nullptr, &swapChainFrameBuffers[i]) != VK_SUCCESS) {
throw std::runtime_error("Failed to create frame buffer");
}
}
}
void HelloTriangleApplication::createCommandPool() {
QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice, surface);
VkCommandPoolCreateInfo poolInfo{
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.flags = 0,
.queueFamilyIndex = queueFamilyIndices.graphicsFamily.value(),
.queueFamilyIndex = myVkInstance->indices.graphicsFamily.value(),
};
if (vkCreateCommandPool(device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS) {
if (vkCreateCommandPool(myVkInstance->device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS) {
throw std::runtime_error("Failed to create command pool");
}
}
@@ -490,7 +357,7 @@ void HelloTriangleApplication::createCommandBuffers() {
.commandBufferCount = (uint32_t) commandBuffers.size(),
};
if (vkAllocateCommandBuffers(device, &allocateInfo, commandBuffers.data()) != VK_SUCCESS) {
if (vkAllocateCommandBuffers(myVkInstance->device, &allocateInfo, commandBuffers.data()) != VK_SUCCESS) {
throw std::runtime_error("Failed to allocate command buffers");
}
@@ -538,22 +405,15 @@ void HelloTriangleApplication::createSyncObjects() {
};
for (int i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i) {
if (vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i])) {
if (vkCreateSemaphore(myVkInstance->device, &semaphoreCreateInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
vkCreateSemaphore(myVkInstance->device, &semaphoreCreateInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
vkCreateFence(myVkInstance->device, &fenceInfo, nullptr, &inFlightFences[i])) {
throw std::runtime_error("failed to create semaphore");
}
}
}
void HelloTriangleApplication::initVulkan() {
createInstance();
#ifdef WITH_VALIDATION_LAYERS
setupDebugMessenger(instance, &debugMessenger);
#endif
createSurface();
pickPhysicalDevice();
createLogicalDevice();
createSwapChain();
createImageViews();
createRenderPass();
@@ -565,20 +425,20 @@ void HelloTriangleApplication::initVulkan() {
}
void HelloTriangleApplication::mainLoop() {
while (!glfwWindowShouldClose(window)) {
while (!glfwWindowShouldClose(myVkInstance->window)) {
glfwPollEvents();
drawFrame();
}
vkDeviceWaitIdle(device);
vkDeviceWaitIdle(myVkInstance->device);
}
void HelloTriangleApplication::drawFrame() {
vkWaitForFences(device, 1, &inFlightFences[currentFrame], VK_TRUE, UINT64_MAX);
vkWaitForFences(myVkInstance->device, 1, &inFlightFences[currentFrame], VK_TRUE, UINT64_MAX);
uint32_t imageIndex;
vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
vkAcquireNextImageKHR(myVkInstance->device, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
if (imagesInFlight[currentFrame] != VK_NULL_HANDLE) {
vkWaitForFences(device, 1, &imagesInFlight[currentFrame], VK_TRUE, UINT64_MAX);
vkWaitForFences(myVkInstance->device, 1, &imagesInFlight[currentFrame], VK_TRUE, UINT64_MAX);
}
imagesInFlight[currentFrame] = inFlightFences[currentFrame];
@@ -596,9 +456,9 @@ void HelloTriangleApplication::drawFrame() {
.pSignalSemaphores = signalSemaphores,
};
vkResetFences(device, 1, &inFlightFences[currentFrame]);
vkResetFences(myVkInstance->device, 1, &inFlightFences[currentFrame]);
if (vkQueueSubmit(graphicsQueue, 1, &submitInfo, inFlightFences[currentFrame]) != VK_SUCCESS) {
if (vkQueueSubmit(myVkInstance->graphicsQueue, 1, &submitInfo, inFlightFences[currentFrame]) != VK_SUCCESS) {
throw std::runtime_error("Failed to submit draw command");
}
@@ -613,7 +473,7 @@ void HelloTriangleApplication::drawFrame() {
.pResults = nullptr,
};
vkQueuePresentKHR(presentQueue, &presentInfo);
vkQueuePresentKHR(myVkInstance->presentQueue, &presentInfo);
// vkQueueWaitIdle(presentQueue);
currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
@@ -621,41 +481,19 @@ void HelloTriangleApplication::drawFrame() {
void HelloTriangleApplication::cleanup() {
for (int i = 0; i < MAX_FRAMES_IN_FLIGHT; ++i) {
vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
vkDestroyFence(device, inFlightFences[i], nullptr);
vkDestroySemaphore(myVkInstance->device, renderFinishedSemaphores[i], nullptr);
vkDestroySemaphore(myVkInstance->device, imageAvailableSemaphores[i], nullptr);
vkDestroyFence(myVkInstance->device, inFlightFences[i], nullptr);
}
vkDestroyCommandPool(device, commandPool, nullptr);
vkDestroyCommandPool(myVkInstance->device, commandPool, nullptr);
for (auto frameBuffer : swapChainFrameBuffers) {
vkDestroyFramebuffer(device, frameBuffer, nullptr);
vkDestroyFramebuffer(myVkInstance->device, frameBuffer, nullptr);
}
vkDestroyPipeline(device, graphicsPipeline, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyRenderPass(device, renderPass, nullptr);
vkDestroyPipeline(myVkInstance->device, graphicsPipeline, nullptr);
vkDestroyPipelineLayout(myVkInstance->device, pipelineLayout, nullptr);
vkDestroyRenderPass(myVkInstance->device, renderPass, nullptr);
for (auto imageView : swapChainImageViews) {
vkDestroyImageView(device, imageView, nullptr);
vkDestroyImageView(myVkInstance->device, imageView, nullptr);
}
vkDestroySwapchainKHR(device, swapChain, nullptr);
vkDestroyDevice(device, nullptr);
vkDestroySurfaceKHR(instance, surface, nullptr);
#ifdef WITH_VALIDATION_LAYERS
DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
#endif
vkDestroyInstance(instance, nullptr);
glfwDestroyWindow(window);
glfwTerminate();
}
std::vector<const char *> HelloTriangleApplication::getRequiredExtensions() {
uint32_t glfwExtensionCount;
const char **glfwExtensions;
glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
std::vector<const char *> extensions(glfwExtensions, glfwExtensions + glfwExtensionCount);
#ifdef WITH_VALIDATION_LAYERS
extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
#endif
return extensions;
vkDestroySwapchainKHR(myVkInstance->device, swapChain, nullptr);
}

17
src/HelloTriangleApplication.h
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@@ -5,6 +5,8 @@
#ifndef VULKANTEST_HELLOTRIANGLEAPPLICATION_H
#define VULKANTEST_HELLOTRIANGLEAPPLICATION_H
#include "MyVkInstance.h"
#include <vector>
#define GLFW_INCLUDE_VULKAN
@@ -20,14 +22,7 @@ public:
void run();
private:
GLFWwindow* window;
VkInstance instance;
VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
VkDevice device;
VkQueue graphicsQueue;
VkQueue presentQueue;
VkSurfaceKHR surface;
VkDebugUtilsMessengerEXT debugMessenger;
MyVkInstance *myVkInstance;
VkSwapchainKHR swapChain;
std::vector<VkImage> swapChainImages;
std::vector<VkImageView> swapChainImageViews;
@@ -47,13 +42,7 @@ private:
int currentFrame = 0;
// window creation
void initWindow();
// Vulkan initialisation
void createInstance();
void pickPhysicalDevice();
void createLogicalDevice();
void createSurface();
void createSwapChain();
void createImageViews();

199
src/MyVkInstance.cpp Normal file
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@@ -0,0 +1,199 @@
//
// Created by rick on 30-05-20.
//
#include "MyVkInstance.h"
#include "debugLayers.h"
#include "queues.h"
#include <utility>
#include <stdexcept>
#include <set>
const int DEFAULT_WIDTH = 600;
const int DEFAULT_HEIGHT = 300;
const char* DEFAULT_TITLE = "Vulkan";
const char* deviceExtensions[] = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
};
std::vector<const char *> getRequiredExtensions() {
uint32_t glfwExtensionCount;
const char **glfwExtensions;
glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
std::vector<const char *> extensions(glfwExtensions, glfwExtensions + glfwExtensionCount);
#ifdef WITH_VALIDATION_LAYERS
extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
#endif
return extensions;
}
bool isSuitableDevice(VkPhysicalDevice device, VkSurfaceKHR surface) {
VkPhysicalDeviceProperties deviceProperties;
VkPhysicalDeviceFeatures features;
QueueFamilyIndices indices;
vkGetPhysicalDeviceProperties(device, &deviceProperties);
vkGetPhysicalDeviceFeatures(device, &features);
indices = findQueueFamilies(device, surface);
bool extensionSupport = checkDeviceExtensionSupport(device, deviceExtensions, sizeof(deviceExtensions) / sizeof(void*));
bool swapChainAdequate = false;
if (extensionSupport) {
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device, surface);
swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
}
return deviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
features.geometryShader &&
indices.isComplete() &&
extensionSupport &&
swapChainAdequate;
}
MyVkInstance::MyVkInstance(){
new (this) MyVkInstance(DEFAULT_WIDTH, DEFAULT_HEIGHT, const_cast<char *&>(DEFAULT_TITLE));
}
MyVkInstance::MyVkInstance(int width, int height, char* &title) {
this->width = width;
this->height = height;
this->title = title;
}
void MyVkInstance::init() {
this->initWindow();
this->initVulkan();
}
void MyVkInstance::initWindow() {
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
window = glfwCreateWindow(this->width, this->height, this->title.c_str(), nullptr, nullptr);
}
void MyVkInstance::initVulkan() {
createInstance();
#ifdef WITH_VALIDATION_LAYERS
setupDebugMessenger(instance, &debugMessenger);
#endif
createSurface();
pickPhysicalDevice();
createLogicalDevice();
}
void MyVkInstance::createInstance() {
#ifdef WITH_VALIDATION_LAYERS
if (!checkValidationLayerSupport()) {
throw std::runtime_error("validation layer support required");
}
#endif
VkApplicationInfo appInfo{};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = "Hello Triangle";
appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
appInfo.pEngineName = "No Engine";
appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
appInfo.apiVersion = VK_API_VERSION_1_0;
VkInstanceCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
auto extensions = getRequiredExtensions();
createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
createInfo.ppEnabledExtensionNames = extensions.data();
#ifdef WITH_VALIDATION_LAYERS
createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
createInfo.ppEnabledLayerNames = validationLayers.data();
#else
createInfo.enabledLayerCount = 0;
createInfo.ppEnabledLayerNames = nullptr;
#endif
if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
throw std::runtime_error("Failed to create instance!");
}
}
void MyVkInstance::createSurface() {
if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
throw std::runtime_error("Failed to create surface");
}
}
void MyVkInstance::pickPhysicalDevice() {
uint32_t deviceCount = 0;
vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
if (deviceCount == 0) {
throw std::runtime_error("No devices available");
}
std::vector<VkPhysicalDevice> devices(deviceCount);
vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
for (const auto &pPhysicalDeviceT: devices) {
if (isSuitableDevice(pPhysicalDeviceT, surface)) {
physicalDevice = pPhysicalDeviceT;
break;
}
}
if (physicalDevice == VK_NULL_HANDLE) {
throw std::runtime_error("No suitable device found");
}
}
void MyVkInstance::createLogicalDevice() {
this->indices = findQueueFamilies(physicalDevice, surface);
std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
std::set<uint32_t> uniqueQueueFamilies = {this->indices.graphicsFamily.value(), this->indices.presentFamily.value()};
float queuePriority = 1.0f;
for (uint32_t queueFamily : uniqueQueueFamilies) {
VkDeviceQueueCreateInfo queueCreateInfo{};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = queueFamily;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = &queuePriority;
queueCreateInfos.push_back(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures{};
int numel = sizeof(deviceExtensions) / sizeof(void*);
VkDeviceCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.pQueueCreateInfos = queueCreateInfos.data();
createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.enabledExtensionCount = static_cast<uint32_t>(numel);
createInfo.ppEnabledExtensionNames = deviceExtensions;
createInfo.enabledLayerCount = 0;
if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
throw std::runtime_error("Failed to create logical device");
}
vkGetDeviceQueue(device, this->indices.graphicsFamily.value(), 0, &graphicsQueue);
vkGetDeviceQueue(device, this->indices.presentFamily.value(), 0, &presentQueue);
}
void MyVkInstance::cleanup() {
vkDestroyDevice(device, nullptr);
vkDestroySurfaceKHR(instance, surface, nullptr);
#ifdef WITH_VALIDATION_LAYERS
DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
#endif
vkDestroyInstance(instance, nullptr);
glfwDestroyWindow(window);
glfwTerminate();
}

53
src/MyVkInstance.h Normal file
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@@ -0,0 +1,53 @@
//
// Created by rick on 30-05-20.
//
#ifndef VULKANTEST_MYVKINSTANCE_H
#define VULKANTEST_MYVKINSTANCE_H
#include <string>
#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>
#include "queues.h"
class MyVkInstance {
public:
MyVkInstance();
MyVkInstance(int width, int height, char* &title);
void init();
void cleanup();
VkInstance instance{};
VkDevice device{};
VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
VkSurfaceKHR surface;
VkQueue graphicsQueue;
VkQueue presentQueue;
GLFWwindow* window{};
QueueFamilyIndices indices;
private:
int width{};
int height{};
std::string title;
#ifdef WITH_VALIDATION_LAYERS
VkDebugUtilsMessengerEXT debugMessenger;
#endif
// window creation
void initWindow();
// init vulkan
void initVulkan();
void createInstance();
void createSurface();
void pickPhysicalDevice();
void createLogicalDevice();
};
#endif //VULKANTEST_MYVKINSTANCE_H

4
src/queues.cpp
View File

@@ -6,14 +6,14 @@
#include <string>
#include <set>
bool checkDeviceExtensionSupport(VkPhysicalDevice device, std::vector<const char*> deviceExtensions) {
bool checkDeviceExtensionSupport(VkPhysicalDevice device, const char** deviceExtensions, int count) {
uint32_t extensionCount;
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
std::vector<VkExtensionProperties> availableExtensions(extensionCount);
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
std::set<std::string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
std::set<std::string> requiredExtensions(deviceExtensions, deviceExtensions + count);
for (const auto& extension : availableExtensions) {
requiredExtensions.erase(extension.extensionName);
}

2
src/queues.h
View File

@@ -23,7 +23,7 @@ struct SwapChainSupportDetails {
std::vector<VkPresentModeKHR> presentModes;
};
bool checkDeviceExtensionSupport(VkPhysicalDevice device, std::vector<const char*> deviceExtensions);
bool checkDeviceExtensionSupport(VkPhysicalDevice device, const char** deviceExtensions, int size);
QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device, VkSurfaceKHR surface);
SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device, VkSurfaceKHR surface);
VkSurfaceFormatKHR chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats);