From 6d4095abdf7efeb3ca3b31ab9477c09cbb2a277f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?W=2EMS/=E7=8E=8B=E4=BA=AC?= <w.ms@qq.com>
Date: Mon, 2 Dec 2013 03:28:20 +0800
Subject: [PATCH] Disable vertex jit on jailed iOS devices

---
 Core/Config.cpp           | 10 +++++++---
 UI/GameSettingsScreen.cpp |  4 ++--
 UI/NativeApp.cpp          |  2 +-
 ios/ViewController.mm     |  7 +++----
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/Core/Config.cpp b/Core/Config.cpp
index d9b22d73ff..cd53ed2fee 100644
--- a/Core/Config.cpp
+++ b/Core/Config.cpp
@@ -41,7 +41,7 @@ http::Downloader g_DownloadManager;
 Config g_Config;
 
 #ifdef IOS
-extern bool isJailed;
+extern bool iosCanUseJit;
 #endif
 
 Config::Config() { }
@@ -131,7 +131,7 @@ void Config::Load(const char *iniFileName, const char *controllerIniFilename) {
 
 	IniFile::Section *cpu = iniFile.GetOrCreateSection("CPU");
 #ifdef IOS
-	cpu->Get("Jit", &bJit, !isJailed);
+	cpu->Get("Jit", &bJit, iosCanUseJit);
 #else
 	cpu->Get("Jit", &bJit, true);
 #endif
@@ -179,8 +179,12 @@ void Config::Load(const char *iniFileName, const char *controllerIniFilename) {
 		iAnisotropyLevel = 4;
 	}
 	graphics->Get("VertexCache", &bVertexCache, true);
+#ifdef IOS
+	graphics->Get("VertexDecJit", &bVertexDecoderJit, iosCanUseJit);
+#else
 	graphics->Get("VertexDecJit", &bVertexDecoderJit, true);
-
+#endif
+	
 #ifdef _WIN32
 	graphics->Get("FullScreen", &bFullScreen, false);
 #endif
diff --git a/UI/GameSettingsScreen.cpp b/UI/GameSettingsScreen.cpp
index 413825acb8..ef3222d437 100644
--- a/UI/GameSettingsScreen.cpp
+++ b/UI/GameSettingsScreen.cpp
@@ -48,7 +48,7 @@ namespace MainWindow {
 }
 #endif
 #ifdef IOS
-extern bool isJailed;
+extern bool iosCanUseJit;
 #endif
 
 static const int alternateSpeedTable[9] = {
@@ -507,7 +507,7 @@ void DeveloperToolsScreen::CreateViews() {
 	list->Add(new ItemHeader(s->T("General")));
 
 #ifdef IOS
-	if (isJailed) {
+	if (!iosCanUseJit) {
 		list->Add(new TextView(s->T("DynarecisJailed", "Dynarec (JIT) - (Not jailbroken - JIT not available)")));
 	} else {
 		list->Add(new CheckBox(&g_Config.bJit, s->T("Dynarec", "Dynarec (JIT)")));
diff --git a/UI/NativeApp.cpp b/UI/NativeApp.cpp
index ed9a615047..1110614194 100644
--- a/UI/NativeApp.cpp
+++ b/UI/NativeApp.cpp
@@ -100,7 +100,7 @@ std::string config_filename;
 std::string game_title;
 
 #ifdef IOS
-bool isJailed;
+bool iosCanUseJit;
 #endif
 
 // Really need to clean this mess of globals up... but instead I add more :P
diff --git a/ios/ViewController.mm b/ios/ViewController.mm
index 6201970f32..96310891d4 100644
--- a/ios/ViewController.mm
+++ b/ios/ViewController.mm
@@ -33,7 +33,7 @@ extern ScreenManager *screenManager;
 InputState input_state;
 
 extern std::string ram_temp_file;
-extern bool isJailed;
+extern bool iosCanUseJit;
 
 ViewController* sharedViewController;
 
@@ -70,8 +70,7 @@ ViewController* sharedViewController;
 
 		ram_temp_file = [[NSTemporaryDirectory() stringByAppendingPathComponent:@"ram_tmp.file"] fileSystemRepresentation];
 		NativeInit(0, NULL, [self.documentsPath UTF8String], [self.bundlePath UTF8String], NULL);
-
-		isJailed = true;
+    iosCanUseJit = false;
 
 		NSArray *jailPath = [NSArray arrayWithObjects:
 							@"/Applications/Cydia.app",
@@ -83,7 +82,7 @@ ViewController* sharedViewController;
 		for(NSString *string in jailPath)
 		{
 			if ([[NSFileManager defaultManager] fileExistsAtPath:string])
-				isJailed = false;
+        iosCanUseJit = true;
 		}
 
 		iCadeToKeyMap[iCadeJoystickUp]		= NKCODE_DPAD_UP;