Refactor, renaming (work in progress)perf

1 files changed, 18 insertions, 8 deletions

diff --git a/examples/julia_set.c b/examples/julia_set.c
index 288dac2..81aa02c 100644
--- a/examples/julia_set.c
+++ b/examples/julia_set.c
@@ -11,6 +11,13 @@ f64 radius = 2.;
 i64 limit  = 1024;
 i64 time_0;
 
+void inc_f64(f64 *x, i8 s) {
+  u64 *u = (u64 *) x;
+  if (((*u >> 52) & 2047) == 2047)
+    return;
+  *u += *x > 0 ? s : -s;
+}
+
 void apply_scale(f64 delta) {
   while (delta > SCALE_LIMIT) {
     apply_scale(SCALE_LIMIT);
@@ -22,21 +29,24 @@ void apply_scale(f64 delta) {
   }
 
   f64 ds = view_s * delta * .1;
-  if (view_s + ds < 1e-12)
+  if (view_s + ds <= 0.0)
     return;
   f64 dx  = (g_platform.cursor_x * 1. - g_platform.real_width  * .5);
   f64 dy  = (g_platform.cursor_y * 1. - g_platform.real_height * .5);
   view_x -= view_s * dx;
   view_y -= view_s * dy;
-  view_s += ds;
+  if (view_s == view_s + ds)
+    inc_f64(&view_s, ds > 0 ? 1 : -1);
+  else
+    view_s += ds;
   view_x += view_s * dx;
   view_y += view_s * dy;
 }
 
 void update_and_render_frame(void) {
-  i32 num_events = p_handle_events();
+  i32 num_events = handle_main_window_events();
 
-  i64 time_elapsed = p_time() - time_0;
+  i64 time_elapsed = current_utc_time_in_milliseconds() - time_0;
   time_0 += time_elapsed;
 
   b8 left  = g_platform.key_down[KEY_LEFT];
@@ -45,7 +55,7 @@ void update_and_render_frame(void) {
   b8 down  = g_platform.key_down[KEY_DOWN];
 
   if (!left && !right && !up && !down && num_events == 0) {
-    p_sleep_for(1);
+    suspend_thread_for_milliseconds(1);
     return;
   }
 
@@ -98,7 +108,7 @@ void update_and_render_frame(void) {
       g_platform.pixels[j * g_platform.frame_width + i] = vec4_from_vec3_f32(rgb_f32_from_u32(c), 1.f);
     }
 
-  p_render_frame();
+  render_main_window_frame();
 }
 
 i32 main(i32 argc, c8 **argv) {
@@ -109,9 +119,9 @@ i32 main(i32 argc, c8 **argv) {
     .title = "Julia Set",
   };
 
-  time_0 = p_time();
+  time_0 = current_utc_time_in_milliseconds();
 
-  p_event_loop();
+  run_main_window_event_loop();
 
   return 0;
 }