Fix: ldopengl screenshot reverse color (#4136) (#4147)

Author: SaiCateDoan

module/device/method/ldopengl.py

@@ -247,7 +247,7 @@ def screenshot(self):
 
         img = ctypes.cast(img_ptr, ctypes.POINTER(ctypes.c_ubyte * (height * width * 3))).contents
 
-        image = np.ctypeslib.as_array(img).reshape((height, width, 3))
+        image = np.ctypeslib.as_array(img).copy().reshape((height, width, 3))
         return image
 
     @staticmethod