Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Thiago Macieira
On Sunday, 2 September 2018 06:05:57 PDT Uwe Rathmann wrote: > Thiago argues, that a QPainter based render engine results in performance > bottlenecks. But if it is possible to have significantly better results > with QNanoPainter then there is no conceptual problem and Qt development > could impro

Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Philippe
> For this kind of work I'd recoment QNanoPainter, it's another Qt paint engine > built on top of modern openGL, > very efficient for what you want (polylines) : > https://github.com/QUItCoding/qnanopainter Interesting, the demo works out of the box and is impressive. Philippe __

Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Thiago Macieira
On Sunday, 2 September 2018 05:42:47 PDT Uwe Rathmann wrote: > And why should Denis use Qt at all if he is supposed to break down basic > primitives to pure OpenGL himself ? He uses Qt for everything else, like mapping windows from the windowing system, input event management, etc. Also, note I s

[Development] qt open62541 client connection signals doesn't receive from backend class

2018-09-02 Thread Berna Sanchez
Hello, I'm on a stuck with a problem and some help will be appreciated it. I've installed open62541 following this tutorial (Building On Windows – Mingw32) and seems like everything are ok, but when I try to connect my own client with a demo opcua server the QOpcUaClient::ClientState(Connecting) is

Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Uwe Rathmann
On Thu, 30 Aug 2018 07:50:41 -0700, Thiago Macieira wrote: >> From my experience with the QSkinny project I'm tempted to say that it >> would even be possible to implement the Qt/Widgets API on top of >> Qt/Quick core. > > So long as you ditch the paint event for most of the classes, leaving > th

Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Uwe Rathmann
On Sun, 02 Sep 2018 14:48:37 +0200, Jean-Michaël Celerier wrote: > For this kind of work I'd recoment QNanoPainter, ... I also gave this hint to Denis - without having any experience with it myself. When I have more time I will check if its is possible for Qwt to benefit from this backend. Do

Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Jean-Michaël Celerier
For this kind of work I'd recoment QNanoPainter, it's another Qt paint engine built on top of modern openGL, very efficient for what you want (polylines) : https://github.com/QUItCoding/qnanopainter Best, --- Jean-Michaël Celerier http://www.jcelerier.name On Sun, Sep 2, 2018 at 2:45 PM Uwe

Re: [Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

2018-09-02 Thread Uwe Rathmann
On Thu, 30 Aug 2018 15:47:34 -0700, Thiago Macieira wrote: > You can always just use QPainter on a QPixmap and paint that pixmap on > your QSGPaintedItem. It won't be particularly fast, but it will work and > do what you asked. After some conversation with Denis: the use case of this thread is a

Re: [Development] Configure Qt gerrit git ssh access via Tor on Linux

2018-09-02 Thread Denis Shienkov
Wow, now it does work with following config: [code] Host codereview.qt-project.org Port 29418 User Ciphers +aes256-cbc ProxyCommand socat STDIO SOCKS4A:127.0.0.1:%h:%p,socksport=9050 [/code] Many thanks to all for help! :) Denis вс, 2 сент. 2018 г. в 13:18, Denis Shienkov : >

Re: [Development] Configure Qt gerrit git ssh access via Tor on Linux

2018-09-02 Thread Denis Shienkov
Hi Andre, > Please note that you can always use git and Gerrit with HTTPS, the HTTPS password is in your personal settings page in Gerrit. I've already used that in environments where SSH was blocked. But the HTTPS access also is blocked for me(us),  the https://codereview.qt-project.org/ si

Re: [Development] Configure Qt gerrit git ssh access via Tor on Linux

2018-09-02 Thread André Hartmann
Hi Denis and Konstantin, I've run into problems on Debian testing recently and it appears to have been the same problem as you're having. Perhaps you could try something like this: GIT_SSH_COMMAND="ssh -c aes256-cbc" Looks like https://bugreports.qt.io/browse/QTQAINFRA-1530 It's been a m

Re: [Development] Configure Qt gerrit git ssh access via Tor on Linux

2018-09-02 Thread Konstantin Shegunov
Hi Denis, On Sun, Sep 2, 2018 at 9:34 AM, Denis Shienkov wrote: > > Could someone help me please? > I've run into problems on Debian testing recently and it appears to have been the same problem as you're having. Perhaps you could try something like this: GIT_SSH_COMMAND="ssh -c aes256-cbc" I