Add Vulkan queue creation

CMakeLists.txt

@@ -3,6 +3,8 @@ project(Graph)
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 
+set(CMAKE_CXX_STANDARD 14)
+
 find_package(SDL2 REQUIRED)
 find_package(Vulkan REQUIRED)
 

renderer.cpp

@@ -1,5 +1,8 @@
 #include "renderer.h"
 
+#include <set>
+#include <vector>
+
 Renderer::Renderer() {
     createInstance();
     createLogicalDevice();
@@ -32,8 +35,39 @@ void Renderer::createLogicalDevice() {
         physicalDevice = physicalDevices[i];
     }
     
+    uint32_t queueFamilyPropertiesCount = 0;
+    vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyPropertiesCount, nullptr);
+    
+    VkQueueFamilyProperties* queueFamilyProperties = new VkQueueFamilyProperties[queueFamilyPropertiesCount];
+    vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice, &queueFamilyPropertiesCount, queueFamilyProperties);
+    
+    uint32_t graphicsFamilyIndex = 0;
+    
+    for(uint32_t i = 0; i < queueFamilyPropertiesCount; i++) {
+        if(queueFamilyProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
+            graphicsFamilyIndex = i;
+    }
+    
+    const std::set<uint32_t> queueFamilyIndices = {graphicsFamilyIndex};
+    std::vector<VkDeviceQueueCreateInfo> deviceQueueCreateInfos;
+    for(auto queueFamilyIndex : queueFamilyIndices) {
+        const float priority = 1.0f;
+        
+        VkDeviceQueueCreateInfo queueCreateInfo = {};
+        queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
+        queueCreateInfo.queueFamilyIndex = queueFamilyIndex;
+        queueCreateInfo.queueCount = 1;
+        queueCreateInfo.pQueuePriorities = &priority;
+        
+        deviceQueueCreateInfos.push_back(queueCreateInfo);
+    }
+    
     VkDeviceCreateInfo deviceCreateInfo = {};
     deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
+    deviceCreateInfo.queueCreateInfoCount = deviceQueueCreateInfos.size();
+    deviceCreateInfo.pQueueCreateInfos = deviceQueueCreateInfos.data();
     
     vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &device_);
+    
+    vkGetDeviceQueue(device_, graphicsFamilyIndex, 0, &graphicsQueue_);
 }

renderer.h

@@ -14,4 +14,5 @@ private:
     VkInstance instance_ = nullptr;
     
     VkDevice device_ = nullptr;
+    VkQueue graphicsQueue_ = nullptr;
 };