frontend: add fast forward support

[pcsx_rearmed.git] / frontend / main.c

diff --git a/frontend/main.c b/frontend/main.c
index a71ddea..53e3674 100644 (file)
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -51,6 +51,8 @@ enum sched_action emu_action, emu_action_old;
 char hud_msg[64];
 int hud_new_msg;
 
+static void toggle_fast_forward(int force_off);
+
 static void make_path(char *buf, size_t size, const char *dir, const char *fname)
 {
        if (fname)
@@ -207,6 +209,7 @@ void do_emu_action(void)
                break;
 #ifndef NO_FRONTEND
        case SACTION_ENTER_MENU:
+               toggle_fast_forward(1);
                menu_loop();
                return;
        case SACTION_NEXT_SSLOT:
@@ -242,6 +245,10 @@ do_state_slot:
                        GPU_open(&gpuDisp, "PCSX", NULL);
                }
                break;
+       case SACTION_FAST_FORWARD:
+               toggle_fast_forward(0);
+               plugin_call_rearmed_cbs();
+               break;
        case SACTION_SCREENSHOT:
                {
                        char buf[MAXPATHLEN];
@@ -588,6 +595,40 @@ int main(int argc, char *argv[])
 
        return 0;
 }
+
+static void toggle_fast_forward(int force_off)
+{
+       static int fast_forward;
+       static int normal_g_opts;
+       static int normal_frameskip;
+       static int normal_enhancement_enable;
+
+       if (force_off && !fast_forward)
+               return;
+
+       fast_forward = !fast_forward;
+       if (fast_forward) {
+               normal_g_opts = g_opts;
+               normal_frameskip = pl_rearmed_cbs.frameskip;
+               normal_enhancement_enable =
+                       pl_rearmed_cbs.gpu_neon.enhancement_enable;
+
+               g_opts |= OPT_NO_FRAMELIM;
+               pl_rearmed_cbs.frameskip = 3;
+               pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
+       } else {
+               g_opts = normal_g_opts;
+               pl_rearmed_cbs.frameskip = normal_frameskip;
+               pl_rearmed_cbs.gpu_neon.enhancement_enable =
+                       normal_enhancement_enable;
+
+               pl_timing_prepare(Config.PsxType);
+       }
+
+       if (!force_off)
+               snprintf(hud_msg, sizeof(hud_msg), "FAST FORWARD %s",
+                       fast_forward ? "ON" : "OFF");
+}
 #endif
 
 void SysRunGui() {