fbdev_gles2_example
A clean C example / sample program of OpenGL ES2 using fbdev /dev/fb0 device
This program display a red fullscreen quad.
Tested on NanoPI Fire 3 hardware (Mali 400 GPU) with s5p6818-sd-friendlycore-xenial-4.4-arm64-20190128.img image file (provided by friendlyarm)
Compiled with : gcc fullquad_gles2_fbdev.c -lEGL -o fullquad_gles2_fbdev
Made it because there was no simple functional fbdev + GLES2 sample programs running on the NanoPI Fire 3.