Return of "Disable range culling" but now only as a compat.ini setting to enhance games

Core/Compatibility.cpp

@@ -168,6 +168,7 @@ void Compatibility::CheckSettings(IniFile &iniFile, const std::string &gameID) {
 	CheckSetting(iniFile, gameID, "CorrectCullAfterClip", &flags_.CorrectCullAfterClip);
 	CheckSetting(iniFile, gameID, "SpriteBorderFix", &flags_.SpriteBorderFix);
 	CheckSetting(iniFile, gameID, "TextureCLUTInShader", &flags_.TextureCLUTInShader);
+	CheckSetting(iniFile, gameID, "DisableRangeCulling", &flags_.DisableRangeCulling);
 }
 
 void Compatibility::CheckVRSettings(IniFile &iniFile, const std::string &gameID) {

Core/Compatibility.h

@@ -123,6 +123,7 @@ struct CompatFlags {
 	bool CorrectCullAfterClip;
 	float SpriteBorderFix;
 	bool TextureCLUTInShader;
+	bool DisableRangeCulling;
 };
 
 struct VRCompat {

GPU/GPUCommonHW.cpp

@@ -613,7 +613,7 @@ u32 GPUCommonHW::CheckGPUFeatures() const {
 		features |= GPU_USE_CLEAR_RAM_HACK;
 	}
 
-	if (!draw_->GetBugs().Has(Draw::Bugs::BROKEN_NAN_IN_CONDITIONAL)) {
+	if (!PSP_CoreParameter().compat.flags().DisableRangeCulling && !draw_->GetBugs().Has(Draw::Bugs::BROKEN_NAN_IN_CONDITIONAL)) {
 		features |= GPU_USE_VS_RANGE_CULLING;
 	}
 

assets/compat.ini

@@ -2174,3 +2174,14 @@ ULUS10018 = true
 UCJS18003 = true
 ULES00291 = true	
 NPJG00033 = true
+
+[DisableRangeCulling]
+# Gran Turismo has some cases where things on the side of the road slightly glitch out of existence at the edge
+# of the screen. There's no benefit to range culling in this game, so let's disable it.
+UCUS98632 = true
+UCES01245 = true
+UCAS40265 = true
+UCJS10100 = true
+UCKS45127 = true
+UCJS18055 = true
+NPJG00027 = true