From 64861035179b6f3cebb75e45633de0eb498a4b96 Mon Sep 17 00:00:00 2001
From: Sebastian Krzyszkowiak <dos@dosowisko.net>
Date: Sat, 24 Jul 2021 04:08:40 +0200
Subject: [PATCH] mainloop: Switch Vita's CPU and bus to max frequency during
 loading

---
 src/mainloop.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/mainloop.c b/src/mainloop.c
index f359811..34b9979 100644
--- a/src/mainloop.c
+++ b/src/mainloop.c
@@ -19,6 +19,10 @@
 
 #include "internal.h"
 
+#ifdef __vita__
+#include <psp2/power.h>
+#endif
+
 static inline bool HandleEvent(struct Game* game, ALLEGRO_EVENT* ev) {
 	switch (ev->type) {
 		case ALLEGRO_EVENT_DISPLAY_HALT_DRAWING:
@@ -332,6 +336,12 @@ static inline bool MainloopTick(struct Game* game) {
 		if (tmp->pending_load) {
 #ifdef __EMSCRIPTEN__
 			StopAudio(game);
+#endif
+#ifdef __vita__
+			int vita_arm_freq = scePowerGetArmClockFrequency();
+			int vita_bus_freq = scePowerGetBusClockFrequency();
+			scePowerSetArmClockFrequency(444);
+			scePowerSetBusClockFrequency(222);
 #endif
 			if (tmp->show_loading && game->_priv.loading.gamestate->open) {
 				(*game->_priv.loading.gamestate->api->start)(game, game->_priv.loading.gamestate->data);
@@ -441,6 +451,10 @@ static inline bool MainloopTick(struct Game* game) {
 			game->_priv.timestamp = al_get_time();
 #ifdef __EMSCRIPTEN__
 			SetupAudio(game);
+#endif
+#ifdef __vita__
+			scePowerSetArmClockFrequency(vita_arm_freq);
+			scePowerSetBusClockFrequency(vita_bus_freq);
 #endif
 		}