[Qt] QOpenGLWidget override initializeGL and paintGL

[zeljko]

On 05/26/2017 09:43 PM, max wrote:
>
>> Really don't know :) Never played with OpenGL. Try to instantiate
>> QApplication, create QWindow and via it's QSurfaceType set to OpenGL
>> .. and see what happens :)
>>
>> zeljko
>>
> For OpenGL  we need "QOpenGLContext" only ;)

Of course, but I'm not planning to add it to Qt5Pas bindings in any 
case. It can be created as standalone Qt5OpenGLPas lib and 
qt5opengl.pas, so used only at demand.

zeljko