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Qt Quick without a GPU: i.MX6 ULL on small embedded devices

  With the introduction of the Qt Quick software renderer it became possible to use Qt Quick on devices without a GPU. We investigated how viable this option is on a lower end device, particularly the NXP i.MX6 ULL. It turns out that with some (partially not yet integrated) patches developed by KDAB and The […]

Writing a Custom Qt 3D Aspect – part 2 Setting up the backend and communications

Introduction In the previous article we gave an overview of the process for creating a custom aspect and showed how to create (most of) the front end functionality. In this article we shall continue building our custom aspect by implementing the corresponding backend types, registering the types and setting up communication from the frontend to […]

Writing a Custom Qt 3D Aspect – part 1 Extending Qt 3D via Aspects

Introduction Qt 3D has a flexible and extensible architecture that allows us to easily add our own new functionality to it without disrupting the existing features. The functionality of Qt 3D is divided among so-called aspects, each of which encapsulates a particular subject domain such as rendering, input, or animation. This short series of articles […]

GammaRay 2.8.1 Release

We have released version 2.8.1 of our Qt application introspection tool GammaRay. This release contains a number of important bugfixes as well as support for Qt 5.9.2. Especially if you are experiencing corrupt views or crashes when searching in the object tree, or having trouble attaching to a process on Windows, you want to upgrade […]

Profiling QtQuick HMI Performance on Embedded Linux by Thomas McGuire

QtQuick is a popular choice for creating HMIs for embedded devices. The hardware on these devices is often constrained and less performant than their desktop equivalents, this requires extra care from software developers in delivering a fluid user experience. KDAB is regularly involved in improving the performance of QtQuick HMIs on such devices for their […]

A tale of 2 curves Or the complexity simplicity requires.

As my first subject for this animation blog series, we will be taking a look at Animation curves. Curves, or better, easing curves, is one of the first concepts we are exposed to when dealing with the subject of animation in the QML space. What are they? Well, in simplistic terms, they are a description […]

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