OpenGL EGL not working on Pi4??

[kingbox1]

Hi All
My programe is using OpenGL EGL, it works on pi3 and crashes on pi4 , it crashes at eglGetDisplay(EGL_DEFAULT_DISPLAY). I tried to build those sample code under /opt/vc which also uses EGL, however those applications output shows that it can not be run at pi4. So pi4 does not support EGL???

[PeterO]

This has been covered several times now...

This example got me going on the right track... https://wiki.maemo.org/SimpleGL_example

PeterO

[pjbesl444]

Thank you very much for this pointer. Just what I was looking for.

[aren2000]

Thank you very much for this pointer. Just what I was looking for.

Have you solved this problem? I looked at that example and copy to my project , but it still crashed at that location。btw, i use pi4

[PeterO]

I just recompiled the example on a Pi4 and it runs fine.
PeterO

[aren2000]

I just recompiled the example on a Pi4 and it runs fine.
PeterO

thank u!

At last, I found out that I linked the wrong library file and it crashed

[PeterO]

Did you see tweet from Eben ?
https://twitter.com/EbenUpton/status/12 ... 6679391232
"@Raspberry_Pi 4 is now OpenGL ES 3.1 conformant. Thanks to all our friends at @thekhronosgroup
and @igalia for their help in getting this done."

PeterO

[rmills232]

This has been covered several times now...

This example got me going on the right track... https://wiki.maemo.org/SimpleGL_example

PeterO

Did anyone manage to get this working on the Rpi 3, I'm having trouble with that.