Measure render loop

examples/PoolBox/application/src/main.cpp

@@ -1,42 +1,62 @@
-#include "FontWriter/font_writer.hpp"
+#include "FontWriter/font_writer.hpp"
-#include "Objects/paco.hpp"
+#include "Objects/paco.hpp"
-#include "assets.hpp"
+#include "Overlay/Overlay.hpp"
-#include <PSX/GPU/gpu.hpp>
+#include "assets.hpp"
-#include <PSX/GPU/gpu_primitives.hpp>
+#include <PSX/GPU/gpu.hpp>
-#include <PSX/Timer/frame_timer.hpp>
+#include <PSX/GPU/gpu_primitives.hpp>
-#include <stdio.h>
+#include <PSX/Timer/frame_timer.hpp>
-
+#include <PSX/Timer/high_res_timer.hpp>
-using namespace JabyEngine;
+#include <stdio.h>
-
+
-static object::Paco paco;
+using namespace JabyEngine;
-
+
-static void setup() {
+static object::Paco paco;
-    Assets::load_for_main();
+
-    FontWriter::FontWriter::setup();
+static void setup() {
-
+    Assets::load_for_main();
-    paco.setup();
+    FontWriter::FontWriter::setup();
-}
+
-
+    paco.setup();
-static void update() {
+}
-    FontWriter::FontWriter cursor;
+
-
+static void update() {
-    const auto end_pos = cursor.write(FontWriter::Position::create(0, 32), "Cody is cute\n&\na \x1b[8;0;0mBAAAAABY!!!");
+    FontWriter::FontWriter cursor;
-    cursor.write(end_pos, "\x1b[0;7;7mJaby was\nhere c:");
+
-
+    const auto end_pos = cursor.write(FontWriter::Position::create(0, 32), "Cody is cute\n&\na \x1b[8;0;0mBAAAAABY!!!");
-    paco.update();
+    cursor.write(end_pos, "\x1b[0;7;7mJaby was\nhere c:");
-}
+
-
+    paco.update();
-static void render() {
+}
-    GPU::swap_buffers_vsync(1);
+
-    FontWriter::FontWriter::render();
+static void render() {
-    paco.render();
+    GPU::swap_buffers_vsync(1);
-}
+    FontWriter::FontWriter::render();
-
+    paco.render();
-void main() {
+}
-    setup();
+
-
+void main() {
-    while(true) {
+    static constexpr size_t MaxRounds = 1;
-        update();
+
-        render();
+    size_t avg        = 0;
-    }
+    size_t cur_rounds = 0;
+    setup();
+
+    Overlay::mesaure_busy_loop();
+    JabyEngine::HighResTime::enable();
+
+    while(true) {
+        const auto start = JabyEngine::HighResTime::get_time_stamp(); 
+        update();
+        render();
+        const auto end = JabyEngine::HighResTime::get_time_stamp(); 
+        
+        avg += start.microseconds_to(end);
+        cur_rounds++;
+        if(cur_rounds == GPU::Display::frames_per_sec) {
+            printf("AVG Time: %ius\n", avg/MaxRounds);
+            
+            avg        = 0;
+            cur_rounds = 0;
+        }
+    }
 }

src/Library/src/syscall_printf.s

@@ -9,4 +9,3 @@ _ZN10JabyEngine7SysCall6printfEPKcz:
     li    $t2, 0xa0
     jr    $t2
     li    $t1, 0x3f
-