Nigel/LearnVulkan
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Creating a window surface

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This commit is contained in:
Nigel Barink
2023-05-04 23:02:42 +02:00
parent 3bc16b4626
commit b8e236d680
1 changed files with 46 additions and 21 deletions
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67
Hello_triangle/main.cpp
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@@ -11,14 +11,14 @@
#include <vector>
#include <cstring>
#include <optional>
#include <set>
const uint32_t WIDTH = 800;
const uint32_t HEIGHT = 600;
const std::vector<const char*> validationLayers ={
//"VK_LAYER_KHRONOS_validation"
"VK_LAYER_LUNARG_standard_validation"
"VK_LAYER_KHRONOS_validation"
};
#ifdef NDEBUG
@@ -42,10 +42,11 @@ class HelloTriangleApplication{
GLFWwindow* window;
VkInstance instance;
VkDebugUtilsMessengerEXT debugMessenger;
VkSurfaceKHR surface;
VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
VkDevice device;
VkQueue graphicsQueue;
VkQueue presentQueue;
void initWindow(){
glfwInit();
@@ -59,30 +60,46 @@ class HelloTriangleApplication{
void initVulkan(){
createInstance();
setupDebugMessenger();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
}
void createSurface() {
if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
throw std::runtime_error("failed ot create window surface!");
}
}
void createLogicalDevice(){
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
VkDeviceQueueCreateInfo queueCreateInfo {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = indices.graphicsFamily.value();
queueCreateInfo.queueCount = 1;
std::vector<VkDeviceQueueCreateInfo>queueCreateInfos;
std::set<uint32_t> uniqueQueueFamilies = { indices.graphicsFamily.value(), indices.presentFamily.value() };
float queuePriority = 1.0f;
queueCreateInfo.pQueuePriorities = &queuePriority;
for (uint32_t queueFamily : uniqueQueueFamilies) {
VkDeviceQueueCreateInfo queueCreateInfo{};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_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 = &queueCreateInfo;
createInfo.queueCreateInfoCount = 1;
createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
createInfo.pQueueCreateInfos = queueCreateInfos.data();
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.enabledExtensionCount = 0;
@@ -99,11 +116,9 @@ class HelloTriangleApplication{
vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0 , &graphicsQueue);
vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
}
void pickPhysicalDevice(){
uint32_t deviceCount = 0;
vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
@@ -142,9 +157,10 @@ class HelloTriangleApplication{
struct QueueFamilyIndices {
std::optional<uint32_t> graphicsFamily;
std::optional<uint32_t> presentFamily;
bool isComplete(){
return graphicsFamily.has_value();
return graphicsFamily.has_value() && presentFamily.has_value();
}
};
@@ -158,8 +174,20 @@ class HelloTriangleApplication{
std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
int i = 0;
for (const auto& queueFamily : queueFamilies){
VkBool32 presentSupport = false;
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
if (presentSupport) {
indices.presentFamily = i;
}
if(queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT){
indices.graphicsFamily = i;
}
@@ -174,9 +202,6 @@ class HelloTriangleApplication{
return indices;
}
VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDebugUtilsMessengerEXT* pDebugMessenger) {
auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
if (func != nullptr) {
@@ -186,7 +211,6 @@ class HelloTriangleApplication{
}
}
void setupDebugMessenger(){
if(!enableValidationLayers) return;
@@ -303,6 +327,8 @@ class HelloTriangleApplication{
DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
}
vkDestroySurfaceKHR(instance, surface, nullptr);
vkDestroyInstance(instance, nullptr);
@@ -339,7 +365,6 @@ class HelloTriangleApplication{
};
int main ( ) {
HelloTriangleApplication app;