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Re: Cannot build OpenGL application on Qt5 on armel/hf

[restoring CCs from the original mail]

On Tue, Sep 19, 2017 at 6:33 AM, Wookey wrote:
> On 2017-09-18 23:50 +0200, John Paul Adrian Glaubitz wrote:
>> Looking at the rules file of qtbase-opensource-src, it's obvious where this
>> regression comes from, namely from the fact that qtbase-opensource-src is
>> configured to use OpenGL ES instead of proper desktop OpenGL on armel
>> and armhf [3].
>> Does anyone know whether there is a way to address this issue on armel/hf
>> or do I have to disable virtualjaguar on these architectures?
> AIUI openGL ES is used on 32-bit ARM because that's what the GPU
> drivers target/support. I presume this hasn't changed (although I
> understand that for latest OpenGL the Desktop and ES specs got merged
> to some common set).

With open source GPU drivers coming to ARM in the last few years, we
have mesa and therefore desktop OpenGL available on some ARM based


Only PowerVR and Mali are still stuck with proprietary drivers at this
point, sadly they are a large part of the market.

> So I guess anything that uses GL stuff outside the ES API won't
> actually work on 32-bits arm anyway so there is not much point
> building it there.
> But my understanding of the graphics stack is weak so I could well be
> out-of-date or otherwise confused.



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