As is the tradition around Qt releases, it is now time to take a look at what is new on the Embedded Linux graphics front in Qt 5.7.
The linux-drive-cx-g++ device spec introduces support for the NVIDIA DRIVE CX platform. This is especially interesting for the automotive world and is one of the foundations of Qt's automotive offering. Also, DRIVE CX is in fact the first fully supported embedded system with a 64-bit ARM architecture (AArch64). When it comes to graphics, the core enablers for the eglfs and wayland platform plugins were mostly in place for Qt 5.6 since the stack is very similar to what we had on the previous generation Jetson Pro systems. There are nonetheless a number of notable improvements in Qt 5.7:
Qt is not just for the high-end, though. Qt 5.7 introduces a linux-imx7-g++ device spec as well, which, as the name suggests, targets systems built on the NXP i.MX7. This features no GPU at the moment, which would have been a deal breaker for Qt Quick in the past. This is not the case anymore.
With the Qt Quick 2D Renderer such systems can too use most of the features and tools Qt Quick offers for application development. See our earlier post for an overview. Previously commercial-only, Qt 5.7 makes the 2D Renderer available to everyone under a dual GPLv3/commercial license. What is more, development is underway to further improve performance and integrate it more closely with Qt Quick in future releases.
That's it for now, enjoy Qt 5.7!
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Qt 5.12 was developed with a strong focus on quality and is a long-term-supported (LTS) release that will be supported for 3 years.
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