fix PS1 slowdown that required entering and exiting menu to remove

rsn8887 · Oct 15, 2018 · 895d68f · 895d68f
1 parent 49eb41a
commit 895d68f
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/user/menu.c b/user/menu.c
@@ -467,9 +467,23 @@ int AdrenalineDraw(SceSize args, void *argp) {
   uint32_t frames = 0;
   float fps = 0.0f;
 
+  // keep track of entering pops mode
+  int lastPops = 0;
+
   while (1) {
     SceAdrenaline *adrenaline = (SceAdrenaline *)CONVERT_ADDRESS(ADRENALINE_ADDRESS);
 
+    // wait once for vblank after switching from psp to pops mode
+    // this fixes slowdown in PS1 games that used to require enter/exit Adrenaline menu
+    if (!adrenaline->pops_mode) {
+      lastPops = 0;
+    }
+
+    if (adrenaline->pops_mode && lastPops == 0) {
+      sceDisplayWaitVblankStart();
+      lastPops = 1;
+    }
+
     // Draw savestate screen
     if (adrenaline->savestate_mode != SAVESTATE_MODE_NONE) {
       vita2d_start_drawing();