refactor: move dtor .cpp

src/graphics/vulkan/vk_engine.cpp

@@ -49,6 +49,25 @@ constexpr bool bUseValidationLayers = false;
 constexpr bool bUseValidationLayers = true;
 #endif
 
+void VulkanEngine::Instance::init() {
+    vkb::InstanceBuilder builder;
+    auto inst_ret = builder.set_app_name("TODO: PUT APP NAME HERE")
+                            .set_engine_name("rainsystem")
+                            .request_validation_layers(bUseValidationLayers)
+                            .set_debug_callback(debugCallback)
+                            .require_api_version(1, 3, 0)
+                            .build();
+    if (!inst_ret) {
+        LOGE("Failed to create Vulkan instance. Error: {}",
+             inst_ret.error().message());
+    }
+    instance = inst_ret.value();
+}
+
+VulkanEngine::Instance::~Instance() {
+    vkb::destroy_instance(instance);
+}
+
 VKAPI_ATTR VkBool32 VKAPI_CALL VulkanEngine::debugCallback(
         VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
         VkDebugUtilsMessageTypeFlagsEXT messageType,

src/include/graphics/vulkan/vk_engine.h

@@ -64,6 +64,34 @@
 
 class VulkanEngine {
 public:
+    struct Instance {
+        vkb::Instance instance;
+        void init();
+        ~Instance();
+    };
+    Instance _instance;
+
+    struct Device {
+        vkb::Device device;
+        void init(const vkb::PhysicalDevice& physical_device) {
+            const vkb::DeviceBuilder device_builder{physical_device};
+            auto dev_ret = device_builder.build();
+            if (!dev_ret) {
+                LOGE("Failed to create logical device. Error: {}",
+                     dev_ret.error().message());
+            }
+            device = dev_ret.value();
+        }
+        ~Device() {vkb::destroy_device(device);}
+    };
+    Device _device;
+    VkDevice getRawDevice() const { return _device.device; }
+    struct Allocator {
+        VmaAllocator _allocator{nullptr};
+        void init(VmaAllocatorCreateInfo info) {vmaCreateAllocator(&info, &_allocator);} // move info inside
+        ~Allocator() {vmaDestroyAllocator(_allocator);}
+    };
+    Allocator _a; // todo: rename
 
     Pipelines pipelines;
 
@@ -117,10 +145,10 @@
     // run main loop
     void update();
 
     VkInstance _instance;                       // Vulkan library handle
     VkDebugUtilsMessengerEXT _debug_messenger;  // Vulkan debug output handle
     VkPhysicalDevice _chosenGPU;  // GPU chosen as the default device
     VkDevice _device;             // Vulkan device for commands
     VkSurfaceKHR _surface;        // Vulkan window surface
 
     VkSwapchainKHR _swapchain;