[Mesa-dev] EGL and glClear(): Nothing is drawn on screen

[Ralf Jung]

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Hi,

>> I am not using GLES, but normal OpenGL through EGL. And I am 
>> pretty sure it's double-buffered - as far as I understood it, 
>> that's the default, and I did not attempt to override it in any 
>> way (like calling glDrawBuffer).
> 
> Oh, our EGL implementation is not prepared for frontbuffer 
> rendering at all.
I do not render into the frontbuffer. I render to the backbuffer, as
usual, and then call eglSwapBuffers. See
<http://www.ralfj.de/git/gltest.git/blob/refs/heads/master:/gltest.cpp#l138>

Kind regards,
Ralf
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