[maemo-developers] Qt with OpenGL ES 1.1 on Maemo / N900

[From: Thomas Perl]

Hi!

2010/9/3  <kate.alhola at nokia.com>:
> By default in device there is only OpenGL2 libraries, there are extra
> packages libgles1-sgx-img and libgles-sgx-dev containing OpenGL-ES1 .
> The implementation is based emulating OpenGL-ES1 fixed function pipeline
> by special shader code loaded. That may cause problems, because
> Qt uses by default GLES2. It may happen that if you try run GLES1
> functions under QGlwidget, ir tuns happily but does not draw anything if
> GLES1 emulation is not initialized and shader codes loaded. I don't
> know is it possible to load emulation ( initialize GLES1) without doing
> some harm for other Qt GL stuff.

Thanks for the clarification. I'm going to port my code to
QGraphicsView then and use that to gain accelerated GLES2 graphics
(with QGLWidget), so I don't have to deal with shader programs
directly :)

Greetings,
Thomas