diff --git a/addons/material_maker/engine/gen_buffer.gd b/addons/material_maker/engine/gen_buffer.gd
index 77ddb9e..7341ef9 100644
--- a/addons/material_maker/engine/gen_buffer.gd
+++ b/addons/material_maker/engine/gen_buffer.gd
@@ -20,13 +20,16 @@ func get_type_name() -> String:
 	return "Buffer"
 
 func get_parameter_defs() -> Array:
-	return [ { name="size", type="size", first=4, last=12, default=4 } ]
+	return [
+			{ name="size", type="size", first=4, last=12, default=4 },
+			{ name="lod", type="float", min=0, max=10.0, step=0.01, default=0 }
+		]
 
 func get_input_defs() -> Array:
 	return [ { name="in", type="rgba" } ]
 
 func get_output_defs() -> Array:
-	return [ { type="rgba" } ]
+	return [ { type="rgba" }, { type="rgba" } ]
 
 func source_changed(input_port_index : int):
 	updated = false
@@ -40,9 +43,9 @@ func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -
 			result = yield(result, "completed")
 		result.copy_to_texture(texture)
 		result.release()
-		texture.flags = 0
+		texture.flags = Texture.FLAG_MIPMAPS
 		updated = true
-	var rv = ._get_shader_code(uv, output_index, context)
+	var rv = ._get_shader_code_lod(uv, output_index, context, 0 if output_index == 0 else parameters.lod)
 	while rv is GDScriptFunctionState:
 		rv = yield(rv, "completed")
 	return rv
diff --git a/addons/material_maker/engine/gen_texture.gd b/addons/material_maker/engine/gen_texture.gd
index 7daef7b..0803ad2 100644
--- a/addons/material_maker/engine/gen_texture.gd
+++ b/addons/material_maker/engine/gen_texture.gd
@@ -11,14 +11,20 @@ var texture : ImageTexture = ImageTexture.new()
 func get_output_defs() -> Array:
 	return [ { rgba="" } ]
 
-func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+func _get_shader_code_lod(uv : String, output_index : int, context : MMGenContext, lod : float = 0.0) -> Dictionary:
 	var genname = "o"+str(get_instance_id())
 	var rv = { globals=[], defs="", code="" }
 	var texture_name = genname+"_tex"
 	var variant_index = context.get_variant(self, uv)
 	if variant_index == -1:
 		variant_index = context.get_variant(self, uv)
-		rv.code = "vec4 %s_%d = texture(%s, %s);\n" % [ genname, variant_index, texture_name, uv ]
+		if lod == 0.0:
+			rv.code = "vec4 %s_%d = texture(%s, %s);\n" % [ genname, variant_index, texture_name, uv ]
+		else:
+			rv.code = "vec4 %s_%d = textureLod(%s, %s, %.9f);\n" % [ genname, variant_index, texture_name, uv, lod ]
 	rv.rgba = "%s_%d" % [ genname, variant_index ]
 	rv.textures = { texture_name:texture }
 	return rv
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	return _get_shader_code_lod(uv, output_index, context)
\ No newline at end of file