From e37decc9a891bc6f3f1c9f901f1dddb3532adb1c Mon Sep 17 00:00:00 2001
From: Henrik Rydgard <hrydgard@gmail.com>
Date: Tue, 14 Mar 2017 10:36:51 +0100
Subject: [PATCH] Warn if trying to run some games that are known to require
 buffered rendering with it not enabled.

---
 Core/Compatibility.cpp |  1 +
 Core/Compatibility.h   |  1 +
 UI/EmuScreen.cpp       |  6 ++++++
 assets/compat.ini      | 27 +++++++++++++++++++++++++++
 4 files changed, 35 insertions(+)

diff --git a/Core/Compatibility.cpp b/Core/Compatibility.cpp
index 5f26b33db5..c6741b9383 100644
--- a/Core/Compatibility.cpp
+++ b/Core/Compatibility.cpp
@@ -52,6 +52,7 @@ void Compatibility::CheckSettings(IniFile &iniFile, const std::string &gameID) {
 	CheckSetting(iniFile, gameID, "Force04154000Download", &flags_.Force04154000Download);
 	CheckSetting(iniFile, gameID, "DrawSyncEatCycles", &flags_.DrawSyncEatCycles);
 	CheckSetting(iniFile, gameID, "FakeMipmapChange", &flags_.FakeMipmapChange);
+	CheckSetting(iniFile, gameID, "RequireBufferedRendering", &flags_.RequireBufferedRendering);
 }
 
 void Compatibility::CheckSetting(IniFile &iniFile, const std::string &gameID, const char *option, bool *flag) {
diff --git a/Core/Compatibility.h b/Core/Compatibility.h
index 449c01e3f3..88960c725c 100644
--- a/Core/Compatibility.h
+++ b/Core/Compatibility.h
@@ -52,6 +52,7 @@ struct CompatFlags {
 	bool Force04154000Download;
 	bool DrawSyncEatCycles;
 	bool FakeMipmapChange;
+	bool RequireBufferedRendering;
 };
 
 class IniFile;
diff --git a/UI/EmuScreen.cpp b/UI/EmuScreen.cpp
index 7a5a4ca7a4..0cc8b44f03 100644
--- a/UI/EmuScreen.cpp
+++ b/UI/EmuScreen.cpp
@@ -208,6 +208,7 @@ void EmuScreen::bootGame(const std::string &filename) {
 	coreParam.pixelWidth = pixel_xres;
 	coreParam.pixelHeight = pixel_yres;
 
+
 	std::string error_string;
 	if (!PSP_InitStart(coreParam, &error_string)) {
 		bootPending_ = false;
@@ -216,6 +217,11 @@ void EmuScreen::bootGame(const std::string &filename) {
 		ERROR_LOG(BOOT, "%s", errorMessage_.c_str());
 		System_SendMessage("event", "failstartgame");
 	}
+
+	if (PSP_CoreParameter().compat.flags().RequireBufferedRendering && g_Config.iRenderingMode == FB_NON_BUFFERED_MODE) {
+		I18NCategory *gr = GetI18NCategory("Graphics");
+		host->NotifyUserMessage(gr->T("BufferedRenderingRequired", "Warning: This game requires Rendering Mode to be set to Buffered."), 15.0f);
+	}
 }
 
 void EmuScreen::bootComplete() {
diff --git a/assets/compat.ini b/assets/compat.ini
index 00adc21e42..a8aad506eb 100644
--- a/assets/compat.ini
+++ b/assets/compat.ini
@@ -162,3 +162,30 @@ NPJH50843 = true
 ULJM05753 = true
 NPJH50348 = true
 ULJM06009 = true
+
+[RequireBufferedRendering]
+# Warn the user that the game will not work, if buffered rendering is not enabled.
+# Midnight Club: LA Remix
+ULUS10383 = true
+ULES01144 = true
+ULJS00180 = true
+ULJS00267 = true
+ULJM05904 = true
+NPJH50440 = true
+# Midnight Club 3 : DUB edition
+ULUS10021 = true
+ULES00108 = true
+# GTA : VCS
+ULUS10160 = true
+ULES00502 = true
+ULJM05297 = true
+ULJM05395 = true
+ULJM05884 = true
+NPJH50827 = true
+# GTA : LCS
+ULUS10041 = true
+ULES00151 = true
+ULJM05255 = true
+ULJM05359 = true
+ULJM05885 = true
+NPJH50825 = true
\ No newline at end of file