[Interest] OpenGL ES 3.0 support on the roadmap..?

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Tue Dec 10 21:58:30 CET 2013

Il 10/12/2013 21:19, Sean Harmer ha scritto:
> Hi Matti,
> On 10/12/2013 06:46, Matti Dahlbom wrote:
>> Hi, for the past couple of days I've been looking for an up-to-date Qt 5
>> roadmap/browsing the forums for any signs of upcoming GLES 3.0 support but
>> to no avail. Any info available on this..? GLES 3.0 hardware is popping up
>> on the market steadily and I'd like to base my new project on Qt, of
>> course, and for this there should be a supported GLES 3.0 context &
>> QOpenGLFunctions_ES3 ..
> There's nothing concrete planned that I know of. It's something I would
> like to see go into Qt as ES 3 has some really nice features beyond what
> ES 2 offers.
> However, I don't yet have any ES 3 hardware on which to develop so
> there's only a limited amount that I can do blind.

Just in case, with a couple of changes I did some time ago, it's 
possible to ask for ES 3.0 contexts on Desktop GL under X11 by 
leveraging the GLX_EXT_create_context_es2_profile extension. As usual 
one has to set the QSurfaceFormat renderable to the right type 
(OpenGLES instead of Default) when creating the context and the window 
surface. This may allow for a way to test ES3 compliance (depending on 
the quality of the driver), even without ES3 dedicated hardware.

Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Software Engineer
KDAB (UK) Ltd., a KDAB Group company
Tel. UK +44-1738-450410, Sweden (HQ) +46-563-540090
KDAB - Qt Experts - Platform-independent software solutions

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