Bad rendering in macos

[thewoz]

I've tried running some sample programs and it seems to me that there is something that is not working right.
What could I be doing wrong?
Thank you very much

I compiled in this way:
./build.sh release

These are two examples of bad rendering:

Example suzanne:

Example shadowtest:

these are the specifications of the system:

• OS: macOS
• GPU: Intel UHD Graphics 630
• Backend: [OpenGL/Vulkan]