fixing lots of minor issues

src/vulkan/RefCounter.zig

@@ -0,0 +1,23 @@
+const std = @import("std");
+
+const Self = @This();
+
+count: std.atomic.Value(usize),
+
+pub const init: Self = .{ .count = std.atomic.Value(usize).init(0) };
+
+pub inline fn ref(self: *Self) void {
+    _ = self.count.fetchAdd(1, .monotonic);
+}
+
+pub inline fn unref(self: *Self) void {
+    _ = self.count.fetchSub(1, .monotonic);
+}
+
+pub inline fn hasRefs(self: *Self) bool {
+    return self.getRefsCount() == 0;
+}
+
+pub inline fn getRefsCount(self: *Self) usize {
+    return self.count.load(.acquire);
+}