Add display mode: Bilinear Filtering

Author: ShutOstrich

Classes/PCSX2GameCore.mm

@@ -65,6 +65,7 @@
 
 static NSString * const OEPSCSX2InternalResolution = @"OEPSCSX2InternalResolution";
 static NSString * const OEPSCSX2BlendingAccuracy = @"OEPSCSX2BlendingAccuracy";
+static NSString * const OEPSCSX2BilinearFiltering = @"OEPSCSX2BilinearFiltering";
 
 namespace GSDump
 {
@@ -104,7 +105,9 @@ - (instancetype)init
 		_maxDiscs = 0;
 		_displayModes = [[NSMutableDictionary alloc] initWithDictionary:
 						 @{OEPSCSX2InternalResolution: @1,
-						   OEPSCSX2BlendingAccuracy: @1}];
+						   OEPSCSX2BlendingAccuracy: @1,
+						   OEPSCSX2BilinearFiltering: @1,
+						 }];
 		screenRect = OEIntRectMake(0, 0, 640 * 4, 448 * 4);
 	}
 	return self;
@@ -522,6 +525,7 @@ - (void)setDisplayModeInfo:(NSDictionary<NSString *, id> *)displayModeInfo
 	} defaultValues[] = {
 		{ OEPSCSX2InternalResolution,	[NSNumber class], @1  },
 		{ OEPSCSX2BlendingAccuracy,		[NSNumber class], @1  },
+		{ OEPSCSX2BilinearFiltering,	[NSNumber class], @1  },
 	};
 	/* validate the defaults to avoid crashes caused by users playing
 	 * around where they shouldn't */
@@ -565,6 +569,10 @@ - (void)setDisplayModeInfo:(NSDictionary<NSString *, id> *)displayModeInfo
 								OptionWithValue(@"High", OEPSCSX2BlendingAccuracy, 3),
 								OptionWithValue(@"Full (Very Slow)", OEPSCSX2BlendingAccuracy, 4),
 								OptionWithValue(@"Ultra (Ultra Slow, or M1)", OEPSCSX2BlendingAccuracy, 5)]),
+		OEDisplayMode_Submenu(@"Bilinear Filtering",
+							  @[OptionWithValue(@"None", OEPSCSX2BilinearFiltering, 0),
+								OptionWithValue(@"Smooth", OEPSCSX2BilinearFiltering, 1),
+								OptionWithValue(@"Sharp", OEPSCSX2BilinearFiltering, 2)]),
 	];
 
 #undef OptionWithValue
@@ -586,6 +594,8 @@ - (void)changeDisplayWithMode:(NSString *)displayMode
 		VMManager::RequestDisplaySize([currentVal floatValue]);
 	} else if ([key isEqualToString:OEPSCSX2BlendingAccuracy]) {
 		s_base_settings_interface->SetIntValue("EmuCore/GS", "accurate_blending_unit", [currentVal intValue]);
+	} else if ([key isEqualToString:OEPSCSX2BilinearFiltering]) {
+		s_base_settings_interface->SetIntValue("EmuCore/GS", "linear_present_mode", [currentVal intValue]);
 	}
 
 	VMManager::ApplySettings();