Moving over to Raspberry Pi 3B+

[jomoengineer]

Ah, I found setting GL (Full KMS) via raspi-config cleared some of the issue and glxgears looks much better.

I do get new MESA-LOADER errors though.

MESA-LOADER: failed to retrieve device information
MESA-LOADER: failed to retrieve device information
MESA-LOADER: failed to retrieve device information
HelloTriangle: ../src/main.cpp:233: void init_ogl(Target_State*, int, int): Assertion `state->surface != ((EGLSurface)0)' failed.