Re: [Development] QT_XCB_NATIVE_PAINTING makes worse that without of it

2019-03-23 Thread Allan Sandfeld Jensen
On Samstag, 23. März 2019 19:00:47 CET Uwe Rathmann wrote: > Ön Fri, 22 Mar 2019 17:06:32 +0100, Allan Sandfeld Jensen wrote: > > Sounds like XCB isn't as well optimized as Qt is > > Nice joke - but only when X11 falls back on some software emulation it > might be the case, that the Qt implementat

Re: [Development] QT_XCB_NATIVE_PAINTING makes worse that without of it

2019-03-23 Thread Uwe Rathmann
Ön Fri, 22 Mar 2019 17:06:32 +0100, Allan Sandfeld Jensen wrote: Sounds like XCB isn't as well optimized as Qt is Nice joke - but only when X11 falls back on some software emulation it might be the case, that the Qt implementation is better than that one. Note though, that there are number of

Re: [Development] Does iMX6 support EGL on X11 feature?

2019-03-23 Thread Uwe Rathmann
On Fri, 22 Mar 2019 19:06:24 +0300, Denis Shienkov wrote: I'm trying to build a Yocto image, but the config tests fails on 'executing config test egl-x11' test with: We have an iMX6 board running with X11, so in general it should be possible. But this is using an early version of Qt5 - before

Re: [Development] QT_XCB_NATIVE_PAINTING makes worse that without of it

2019-03-23 Thread Uwe Rathmann
On 3/22/19 5:19 PM, Denis Shienkov wrote: My goal it is to accelerate my QWidget application in some way... I use the QWT library to render a curves.. When setting QT_XCB_NATIVE_PAINTING ( Qt >= 5.10 ) you are usually running into an hardware accelerated path, that is much faster, than what yo

Re: [Development] Does iMX6 support EGL on X11 feature?

2019-03-23 Thread Alexander Nassian
> Am 23.03.2019 um 08:57 schrieb Denis Shienkov : > > > Otherwise you could just wrap Qwt in a QQuickPaintedItem to integrate that > > single QWidget component in the otherwise QtQuick UI > > QQuickPaintedItem use QPainter, so, the performance will be as with usual > QWidget. Yes, for that w

Re: [Development] Does iMX6 support EGL on X11 feature?

2019-03-23 Thread Denis Shienkov
> Otherwise you could just wrap Qwt in a QQuickPaintedItem to integrate that single QWidget component in the otherwise QtQuick UI QQuickPaintedItem use QPainter, so, the performance will be as with usual QWidget. > Did you have a look on QChart.js? It is embedded device, there are no any HTML, J