I solved this problem, thanks all. So our previous video surface WAS
QPainter on a separate thread already, it is possible. It was also cross
platform. But, it was the deprecated QGLWidget.
It turns out even if I could have gotten this all working in QOpenGLWidget,
that newer widget had a bug so
On 11/22/19 2:14 PM, Roland Hughes wrote:
There have been many requests over the years to allow QPainter
operations outside of the primary thread. In particular for running
graphs like heart rate monitors which are just a brick on the screen the
user generally cannot interact with.
With X11
On 11/22/19 5:00 AM, Wesley Krasko wrote:
Thanks. For now anyways I'm trying to just move from QGLWidget to
QOpenGLWidget, buy time.
Can I get some help? In the QGLWidget one I currently have there is a
separate thread to render and it uses QPainter.
I'm trying to do the same for the new class
Anybody? I've been on this one for a week now and I just can't seem to
figure out what I'm doing wrong or missing.
On Thu, Nov 21, 2019 at 3:04 PM Wesley Krasko wrote:
> Thanks. For now anyways I'm trying to just move from QGLWidget to
> QOpenGLWidget, buy time.
> Can I get some help? In the
Thanks. For now anyways I'm trying to just move from QGLWidget to
QOpenGLWidget, buy time.
Can I get some help? In the QGLWidget one I currently have there is a
separate thread to render and it uses QPainter.
I'm trying to do the same for the new class but I can't seem to get a
QPainter working no
On 11/19/19 19:52, Wesley Krasko wrote:
Yes, I've read about RHI but it all seems to imply it's for QT Quick, what
about Qt Widget based apps going forward?
Let me quote what is written there: "We will need to base all our
rendering infrastructure (QPainter, the Qt Quick Scenegraph, and our 3D
Yes, I've read about RHI but it all seems to imply it's for QT Quick, what
about Qt Widget based apps going forward? Also, AFAIK 6 will not be
released until 11 of 2020 which will likely be too late for Mac OS
considering they'll probably have another release before that doing away
completely with
On 11/19/19 19:33, David M. Cotter wrote:
is someone working on something like QNativeGraphics, which picks the best impl
under the hood? eg: metal for macos, opengl for linux, and whatever it is now
for windows?
See https://www.qt.io/blog/2019/08/07/technical-vision-qt-6
+1 on this please
is someone working on something like QNativeGraphics, which picks the best impl
under the hood? eg: metal for macos, opengl for linux, and whatever it is now
for windows?
the writing is on the wall for OpenGL on mac, what are the future plans for
that?
> On Nov 19, 2019, at
Hello all, I was sent here from the Qt forum for more "technical" questions.
We have an app, it runs on Linux, Windows, and Mac OS. It is a video relay
app. The video is supplied via an SDK, I subclass one of their classes and
re-implement a lock and unlock function. On lock the SDK writes the
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