perf counter macros

src/game/mod.rs

@@ -1,6 +1,7 @@
 use std::time::Instant;
 use cgmath::{Deg, Euler, Quaternion, vec3};
 use glyph_brush::GlyphBrush;
+use rust_engine_proc::perf;
 use winit::event::Event;
 
 use level::{load_level, save_level};
@@ -56,9 +57,8 @@ impl Game for TestGame {
         self.input.on_window_event(event);
     }
 
+    #[perf("update", crate::perf::PerformanceCounter)]
     fn update(self: &mut Self, renderer: &mut VulkanRenderer) {
-        let precise_start = Instant::now();
-
         // Input and timing
         self.input.frame_start();
         let time = (renderer.game_data.start_time.elapsed().unwrap().as_micros() as f64 / 1000000.0) as f32;
@@ -126,9 +126,6 @@ impl Game for TestGame {
             _dummy1: [0; 4],
             _dummy2: [0; 4],
         };
-        
-        let precise_duration = precise_start.elapsed().as_micros();
-        renderer.game_data.update_perf_counters[renderer.game_data.performance_counter_index] = precise_duration;
     }
 
     fn get_ubo(&self) -> &vs::ty::ObjectUniformData {