Minor refactors and cleanups

src/main.zig

@@ -6,13 +6,23 @@ const vk = @import("vulkan");
 
 const c = @import("const.zig");
 
-const atoms = @import("engine/atoms.zig");
+const atoms = @import("engine/Atom.zig");
 const Engine = @import("engine/Engine.zig");
 const Swapchain = @import("engine/Swapchain.zig");
 const Game = @import("Game.zig");
 
 pub const std_options: std.Options = .{
-    .log_level = .info,
+    .log_scope_levels = &.{
+        .{
+            .scope = .vulkan,
+            .level = .debug,
+        },
+        .{
+            .scope = .deinit,
+            // Change to `.debug` to see a log when calling `deinit`.
+            .level = .info,
+        },
+    },
 };
 
 pub fn main() !void {
@@ -21,7 +31,7 @@ pub fn main() !void {
 
     const allocator = gpa.allocator();
 
-    atoms.init(allocator);
+    try atoms.init(allocator);
     defer atoms.deinit();
 
     stbi.init(allocator);