how to improve the object rendering quality inside gazebo

[xlla]

I have installed gazebo10.2 recently using brew. it works fine but the object rendering is rough like this

and this

I am expected it should like and like

I have a dGPU

$ glxinfo |grep -i opengl
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: NVIDIA GeForce GTX 1060 6GB OpenGL Engine
OpenGL version string: 2.1 NVIDIA-10.33.0 387.10.10.10.40.105
OpenGL shading language version string: 1.20
OpenGL extensions:

Is there any settings/configurations to adjust rendering quality?