From 456f1b86b44a631e7c58e42ae72ce07970843944 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Tue, 6 Nov 2012 02:36:42 +0200
Subject: [PATCH] frontend: add fast forward support

---
 frontend/main.c         | 41 +++++++++++++++++++++++++++++++++++++++++
 frontend/main.h         |  1 +
 frontend/menu.c         |  5 +++--
 frontend/plat_pandora.c |  3 ++-
 frontend/plat_sdl.c     |  8 ++++++++
 5 files changed, 55 insertions(+), 3 deletions(-)

diff --git a/frontend/main.c b/frontend/main.c
index a71ddea3..53e3674a 100644
--- 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() {
diff --git a/frontend/main.h b/frontend/main.h
index a03db8b2..44c1b6a5 100644
--- a/frontend/main.h
+++ b/frontend/main.h
@@ -66,6 +66,7 @@ enum sched_action {
 	SACTION_PREV_SSLOT,
 	SACTION_TOGGLE_FSKIP,
 	SACTION_SWITCH_DISPMODE,
+	SACTION_FAST_FORWARD,
 	SACTION_SCREENSHOT,
 	SACTION_VOLUME_UP,
 	SACTION_VOLUME_DOWN,
diff --git a/frontend/menu.c b/frontend/menu.c
index a93c8f08..9654221c 100644
--- a/frontend/menu.c
+++ b/frontend/menu.c
@@ -666,11 +666,12 @@ me_bind_action emuctrl_actions[] =
 	{ "Next Save Slot   ", 1 << SACTION_NEXT_SSLOT },
 	{ "Toggle Frameskip ", 1 << SACTION_TOGGLE_FSKIP },
 	{ "Take Screenshot  ", 1 << SACTION_SCREENSHOT },
-	{ "Switch Renderer  ", 1 << SACTION_SWITCH_DISPMODE },
-	{ "Enter Menu       ", 1 << SACTION_ENTER_MENU },
+	{ "Fast Forward     ", 1 << SACTION_FAST_FORWARD },
 #ifdef __ARM_ARCH_7A__ /* XXX */
+	{ "Switch Renderer  ", 1 << SACTION_SWITCH_DISPMODE },
 	{ "Minimize         ", 1 << SACTION_MINIMIZE },
 #endif
+	{ "Enter Menu       ", 1 << SACTION_ENTER_MENU },
 	{ "Gun Trigger      ", 1 << SACTION_GUN_TRIGGER },
 	{ "Gun A button     ", 1 << SACTION_GUN_A },
 	{ "Gun B button     ", 1 << SACTION_GUN_B },
diff --git a/frontend/plat_pandora.c b/frontend/plat_pandora.c
index 694bb7e7..5f20d009 100644
--- a/frontend/plat_pandora.c
+++ b/frontend/plat_pandora.c
@@ -39,7 +39,8 @@ static const struct in_default_bind in_evdev_defbinds[] = {
 	{ KEY_4,        IN_BINDTYPE_EMU, SACTION_NEXT_SSLOT },
 	{ KEY_5,        IN_BINDTYPE_EMU, SACTION_TOGGLE_FSKIP },
 	{ KEY_6,        IN_BINDTYPE_EMU, SACTION_SCREENSHOT },
-	{ KEY_7,        IN_BINDTYPE_EMU, SACTION_SWITCH_DISPMODE },
+	{ KEY_7,        IN_BINDTYPE_EMU, SACTION_FAST_FORWARD },
+	{ KEY_8,        IN_BINDTYPE_EMU, SACTION_SWITCH_DISPMODE },
 	{ 0, 0, 0 }
 };
 
diff --git a/frontend/plat_sdl.c b/frontend/plat_sdl.c
index b5d1c86c..61f904da 100644
--- a/frontend/plat_sdl.c
+++ b/frontend/plat_sdl.c
@@ -35,6 +35,14 @@ static const struct in_default_bind in_sdl_defbinds[] = {
   { SDLK_e,      IN_BINDTYPE_PLAYER12, DKEY_L2 },
   { SDLK_t,      IN_BINDTYPE_PLAYER12, DKEY_R2 },
   { SDLK_ESCAPE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU },
+  { SDLK_F1,     IN_BINDTYPE_EMU, SACTION_SAVE_STATE },
+  { SDLK_F2,     IN_BINDTYPE_EMU, SACTION_LOAD_STATE },
+  { SDLK_F3,     IN_BINDTYPE_EMU, SACTION_PREV_SSLOT },
+  { SDLK_F4,     IN_BINDTYPE_EMU, SACTION_NEXT_SSLOT },
+  { SDLK_F5,     IN_BINDTYPE_EMU, SACTION_TOGGLE_FSKIP },
+  { SDLK_F6,     IN_BINDTYPE_EMU, SACTION_SCREENSHOT },
+  { SDLK_F7,     IN_BINDTYPE_EMU, SACTION_FAST_FORWARD },
+  { SDLK_F8,     IN_BINDTYPE_EMU, SACTION_SWITCH_DISPMODE },
   { 0, 0, 0 }
 };
 
-- 
2.39.5