texture loading and depth buffer

src/app_data.rs

@@ -34,11 +34,19 @@ pub struct AppData {
 
     pub index_buffer: vk::Buffer,
     pub index_buffer_memory: vk::DeviceMemory,
-
     
     pub uniform_buffers: Vec<vk::Buffer>,
     pub uniform_buffers_memory: Vec<vk::DeviceMemory>,
 
     pub descriptor_pool: vk::DescriptorPool,
     pub descriptor_sets: Vec<vk::DescriptorSet>,
+
+    pub texture_image: vk::Image,
+    pub texture_image_memory: vk::DeviceMemory,
+    pub texture_image_view: vk::ImageView,
+    pub texture_sampler: vk::Sampler,
+
+    pub depth_image: vk::Image,
+    pub depth_image_memory: vk::DeviceMemory,
+    pub depth_image_view: vk::ImageView,
 }