diff --git a/wadsrc/static/language.enu b/wadsrc/static/language.enu
index 28db40e64..8c2b733fd 100644
--- a/wadsrc/static/language.enu
+++ b/wadsrc/static/language.enu
@@ -1780,6 +1780,8 @@ DSPLYMNU_BRIGHTNESS				= "Brightness";
 DSPLYMNU_VSYNC					= "Vertical Sync";
 DSPLYMNU_CAPFPS					= "Rendering Interpolation";
 DSPLYMNU_COLUMNMETHOD			= "Column render mode";
+DSPLYMNU_BLENDMETHOD			= "Transparency render mode";
+
 DSPLYMNU_WIPETYPE				= "Screen wipe style";
 DSPLYMNU_SHOWENDOOM				= "Show ENDOOM screen";
 DSPLYMNU_BLOODFADE				= "Blood Flash Intensity";
@@ -2189,6 +2191,8 @@ OPTVAL_INVERTED				= "Inverted";
 OPTVAL_NOTINVERTED			= "Not Inverted";
 OPTVAL_ORIGINAL				= "Original";
 OPTVAL_OPTIMIZED			= "Optimized";
+OPTVAL_CLASSIC				= "Classic (Faster)";
+OPTVAL_PRECISE				= "Precise";
 OPTVAL_NORMAL				= "Normal";
 OPTVAL_STRETCH				= "Stretch";
 OPTVAL_CAPPED				= "Capped";
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index 30cad4dd2..73873c776 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -600,6 +600,12 @@ OptionValue ColumnMethods
 	1.0, "$OPTVAL_OPTIMIZED"
 }
 
+OptionValue BlendMethods
+{
+	0.0, "$OPTVAL_CLASSIC"
+	1.0, "$OPTVAL_PRECISE"
+}
+
 OptionValue SkyModes
 {
 	0.0, "$OPTVAL_NORMAL"
@@ -671,6 +677,7 @@ OptionMenu "VideoOptions"
 	Slider "$DSPLYMNU_PICKUPFADE",				"pickup_fade_scalar", 0.0, 1.0, 0.05, 2
 	Slider "$DSPLYMNU_WATERFADE",				"underwater_fade_scalar", 0.0, 1.0, 0.05, 2
 	Option "$DSPLYMNU_COLUMNMETHOD",			"r_columnmethod", "ColumnMethods"
+	Option "$DSPLYMNU_BLENDMETHOD",				"r_blendmethod", "BlendMethods"
 
 	StaticText " "
 	Option "$DSPLYMNU_WIPETYPE",				"wipetype", "Wipes"