From 7d41e01e9360a00fe6e3b6816e5264a5886a0bfe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
Date: Sun, 8 Mar 2015 14:12:13 -0300
Subject: [PATCH] (RGUI) Only render when needed

---
 menu/drivers/rgui.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/menu/drivers/rgui.c b/menu/drivers/rgui.c
index 8c9a8bef54..cab9fc0952 100644
--- a/menu/drivers/rgui.c
+++ b/menu/drivers/rgui.c
@@ -45,6 +45,9 @@ static int rgui_entry_iterate(unsigned action)
    if (!menu->menu_list)
       return -1;
 
+   if (action != MENU_ACTION_NOOP || menu->need_refresh)
+      g_runloop.frames.video.current.menu.framebuf.dirty = true;
+
    cbs = (menu_file_list_cbs_t*)menu_list_get_actiondata_at_offset(
          menu->menu_list->selection_buf, menu->navigation.selection_ptr);
 
@@ -333,6 +336,10 @@ static void rgui_render(void)
    if (menu->need_refresh && g_runloop.is_menu
          && !menu->msg_force)
       return;
+   if (!g_runloop.frames.video.current.menu.framebuf.dirty
+       && !g_runloop.frames.video.current.menu.animation.is_active
+       && !g_runloop.frames.video.current.menu.label.is_updated)
+      return;
 
    menu->mouse.ptr = menu->mouse.y / 11 - 2 + menu->begin;