Diff: main.cpp

Revision:

1:3810f9d9c775

Parent:

0:fe1c42b7b490

Child:

2:297b43e931d0

diff -r fe1c42b7b490 -r 3810f9d9c775 main.cpp
--- a/main.cpp	Sun Nov 01 02:28:21 2015 +0000
+++ b/main.cpp	Sun Nov 01 23:10:01 2015 +0000
@@ -94,6 +94,9 @@
 int main (void)
 {
     angle_t a;
+#ifdef BENCHMARK
+    int bt_start, bt_now, bt_trans = 0, bt_render = 0;
+#endif
     
     /* initialise */
     host.baud (38400);
@@ -116,6 +119,11 @@
     fxos.get_data (&fxos_acc, &fxos_mag);
     print_reading ();
 
+#ifdef BENCHMARK
+    perftimer.reset ();
+    perftimer.start ();
+#endif
+
     a = 0;
     for (;;) {
         uint8_t cflags = 0x00;
@@ -128,7 +136,12 @@
             /* push last frame first */
             shld_lcd.copy_to_lcd ();
             shld_lcd.cls ();
-            
+
+#ifdef BENCHMARK
+            bt_start = perftimer.read_us ();
+            bt_trans = 0;
+            bt_render = 0;
+#endif
             for (i=0; i<4; i++) {
                 g3d_p3_t trans = {3.0f * gfx3d_sin (a + (i * 64)), 0.0f, 3.0f * gfx3d_cos (a + (i * 64))};
             
@@ -141,12 +154,30 @@
                 }
 
                 gfx3d_project (pts1, pts2, 8);
-        
+
+#ifdef BENCHMARK
+                bt_now = perftimer.read_us ();
+                bt_trans += (bt_now - bt_start);
+                bt_start = bt_now;
+#endif
+
                 gfx3d_wirecube (pts2, shld_lcd);
+                
+#ifdef BENCHMARK
+                bt_now = perftimer.read_us ();
+                bt_render += (bt_now - bt_start);
+                bt_start = bt_now;
+#endif
+
             }
             
             a++;
-            
+
+#ifdef BENCHMARK
+            /* write bt_trans and bt_render into the display */
+            shld_lcd.locate (0, 24);
+            shld_lcd.printf ("T: %d, R: %d", bt_trans, bt_render);
+#endif
             cflags |= PFLAG_TIMER;
         }
         if (pflags & PFLAG_FXOS) {