Add FPS and frame timing calculations to profiling

1 files changed, 16 insertions, 1 deletions

diff --git a/src/profiling.c b/src/profiling.c
index a464372..7477dca 100644
--- a/src/profiling.c
+++ b/src/profiling.c
@@ -55,7 +55,7 @@ static bool profile_bg_show = true;
             txt_color(1);\
             txt_position((PROF_SHOW_X), (PROF_SHOW_Y));\
             if (profile_bg_show) {\
-                draw_filled_rect((PROF_SHOW_X), (PROF_SHOW_X), 8 * 17, 8 * 14, 0);\
+                draw_filled_rect((PROF_SHOW_X), (PROF_SHOW_X), 8 * 18, 8 * 14, 0);\
             }\
             txt_printf("VIDEO\n");\
             txt_printf(">CLEAR  %.8lu\n", avg_clear_cycles);\
@@ -73,6 +73,21 @@ static bool profile_bg_show = true;
             txt_printf("TOTAL   %.8lu\n", avg_frame_cycles);\
             txt_render();\
         }\
+        if (profile_bg_show) {\
+            u32 frame_time =\
+                FP_DIV(\
+                    FP_NUM(avg_frame_cycles + 1, 2) * 166,\
+                    FP_NUM(280896, 2) / 100,\
+                    2);\
+            u32 fps =\
+                FP_DIV(\
+                    FP_NUM(280896, 2),\
+                    FP_NUM(avg_frame_cycles + 1, 2),\
+                    2) * 60;\
+            draw_filled_rect(8 * 18, 0, 239, 16, 0);\
+            txt_drawf("TIME: %.6d", 8 * 18, 0, 1, frame_time >> 2);\
+            txt_drawf("MAX FPS:%.4d", 8 * 18, 8, 1, fps >> 2);\
+        }\
     } while (0)
 
 static u32 prof_frame_counter = 0;