pre vertex buffer

src/app_data.rs

@@ -0,0 +1,30 @@
+use vulkanalia::prelude::v1_0::*;
+    // The Vulkan handles and associated properties used by our Vulkan app.
+#[derive(Clone, Debug, Default)]
+pub struct AppData {
+    pub surface: vk::SurfaceKHR,
+    pub messenger: vk::DebugUtilsMessengerEXT,
+    pub physical_device: vk::PhysicalDevice,
+    pub graphics_queue: vk::Queue,
+    pub present_queue: vk::Queue,
+
+    pub swapchain_format: vk::Format,
+    pub swapchain_extent: vk::Extent2D,
+    pub swapchain: vk::SwapchainKHR,
+    pub swapchain_images: Vec<vk::Image>,
+
+    pub swapchain_image_views: Vec<vk::ImageView>,
+
+    pub pipeline_layout: vk::PipelineLayout,
+    pub render_pass: vk::RenderPass,
+    pub pipeline: vk::Pipeline,
+    pub framebuffers: Vec<vk::Framebuffer>,
+    pub command_pool: vk::CommandPool,
+    pub command_buffers: Vec<vk::CommandBuffer>,
+
+    pub image_available_semaphores: Vec<vk::Semaphore>,
+    pub render_finished_semaphores: Vec<vk::Semaphore>,
+
+    pub in_flight_fences: Vec<vk::Fence>,
+    pub images_in_flight: Vec<vk::Fence>,
+}