Texture rect_region drawing now clamps UV to avoid bleeding. This avoids scenarios like single-texture tilemap tiles leaking pixels to the next tile when filter is enabled on it.

servers/visual/rasterizer.h

@@ -525,7 +525,8 @@ public:
 		CANVAS_RECT_TILE = 2,
 		CANVAS_RECT_FLIP_H = 4,
 		CANVAS_RECT_FLIP_V = 8,
-		CANVAS_RECT_TRANSPOSE = 16
+		CANVAS_RECT_TRANSPOSE = 16,
+		CANVAS_RECT_CLIP_UV = 32
 	};
 
 	struct Light : public RID_Data {