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by corjan
Wed Feb 05, 2020 3:05 pm
Forum: OpenGLES
Topic: eglInitialize
Replies: 4
Views: 848

Re: eglInitialize

HI,


Thanks for your response!

It is set to the default, Legacy.

I would like to update to Buster, but this is preventing me from doing so unfortunately. Ironically, it works fine now on the Pi 4 :).


Corjan
by corjan
Wed Feb 05, 2020 12:59 pm
Forum: OpenGLES
Topic: eglInitialize
Replies: 4
Views: 848

eglInitialize

Hi, I downloaded the latest Buster release, and compiled our openGL ES2 code (without Desktop) that was working on an older Jessie build. On the Buster release though, the eglInitialize returns EGL_NOT_INITIALIZED. The documentation says that the display cannot be initialized. https://www.khronos.or...
by corjan
Fri Sep 25, 2015 7:12 am
Forum: OpenGLES
Topic: Back buffer gets cleared?
Replies: 4
Views: 3427

Back buffer gets cleared?

Hi, Currently I am porting a bit of openGL code to the raspberry. To reduce the number of redraws, it won't redraw parts that haven't changed. Here I have trouble with the raspberry somehow. It seems it is clearing the back buffer with every frame. So stuff I draw one frame is thrown away the next. ...

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