Rockchip kernel uses Arm Mali driver, which supports OpenGL-ES only.
You can try with gl4es as an alternative. For usage here is an example for ROCK 5B, but should work on CM3 as well.
Rockchip kernel uses Arm Mali driver, which supports OpenGL-ES only.
You can try with gl4es as an alternative. For usage here is an example for ROCK 5B, but should work on CM3 as well.