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AvaloniaUI/Avalonia

A multi-platform .NET UI framework

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Nikita Tsukanov

@kekekeks

@soerendd you probably need to configure access rights to device files first

or just run as root

also check if kmscube works

@johnnyasantoss you probably need Avalonia.FreeDesktop project that will be merged alongside with AvaloniaUI/Avalonia#2777

Johnny Anderson dos Santos

@johnnyasantoss

@kekekeks Oh, nice! That's exactly what I was looking for :) I'll merge against that branch/fork and then later wait for it to be merged to Avalonia :D

soerendd

@soerendd

@kekekeks kmscube shows the same. To compile kmscube I needed to install all sort of libraries. I needed to install Mesa-dev. After that glxinfo shows emulated VMware. Will see how far I get.

vlad0s777

@vlad0s777

Hello! When creating SaveFileDialog I use InitialFileName. On Windows, this works well, but on Linux an empty string((

soerendd

@soerendd

@kekekeks kmscube runs finally. I needed to switch to the kms opengl driver and start it from the pi itself and not via ssh. The Avalonia part does not works nevertheless. It complains about drmModeAddFb failed in GetFbIdForBo

Bakuryu

@Bakuryu

@worldbeater For that article you sent it mentions not being compatible with UWP, does that mean it would have issues working on Windows or just being a UWP App

Nikita Tsukanov

@kekekeks

@soerendd make sure that XOrg isn't running

or make a vt switch to a clean console

You've mentioned that you were able to get opengl working without X

what method did you use?

soerendd

@soerendd

@kekekeks when running X neither kmscube nor my Avalonia test starts. It tells that it can not open a device. Ok so far for me. Kmscube works when X is not running. If I start my Avalonia test without X I get the error from above. When running X I can start glxgears eg. This does not run without X

It complains about drmModeAddFb failed in GetFbIdForBo

When I start my Avalonia test

If I can get it to work on the rpi3 armv7 I will recompile skia for the armv7 and provide the so if you r interested

Nikita Tsukanov

@kekekeks

there is a prebuilt so for armv7-hard-float

see the nuget package

Check if your display has 16 bit depth

soerendd

@soerendd

Yes, that's what I use for the rpi3 currently. How to check for 16bit depth?

Nikita Tsukanov

@kekekeks

it should be in the specs

soerendd

@soerendd

My final device is a rpi zero which is armv6

Nikita Tsukanov

@kekekeks

https://github.com/AvaloniaUI/Avalonia/blob/62bc60bee302d839e9b88774348af57da8fbc500/src/Linux/Avalonia.LinuxFramebuffer/Output/DrmOutput.cs#L75

we are trying to add a fb with 32 bpp and 24-bit depth

Also, try debugging that code, there might be some other function I haven't checked the return value for

Nikita Tsukanov

@kekekeks

I've only checked with Intel hardware

soerendd

@soerendd

It is set to 32 bit. I it seems I cannot change this. Setting framebuffer_depth=24 does not seem to have any effect. Fbset always reports 32

Nikita Tsukanov

@kekekeks

fbset reports the emulated framebuffer parameters

try debugging the code, we might be choosing a wrong mode, wrong crtc, etc

soerendd

@soerendd

Maybe a dumb question. How to debug on the raspi from my windows machine? Or is there a debugger directly avail on the raspi?

Nikita Tsukanov

@kekekeks

https://www.hanselman.com/blog/RemoteDebuggingWithVSCodeOnWindowsToARaspberryPiUsingNETCoreOnARM.aspx

ALIENQuake

@ALIENQuake

Hello

I have general question regarding Avalonia Theming posibilites

Let's take look a this application, it's Angular2-based + Node etc:

Does AV have capabilites to create application which looks like this?

Nikita Tsukanov

@kekekeks

Yes

ALIENQuake

@ALIENQuake

Can I ask some more questions which are not rleated to coding ?

btw, the app is Vortex mod manager from mexusmods.com

https://www.youtube.com/watch?v=3kbOteChLJE

ALIENQuake

@ALIENQuake

How AV compare to:

QT in terms of stablity on MacOS and Linux?
WPF in terms of Controls/Fearutes?
TreeView implementation?

Nikita Tsukanov

@kekekeks

mostly stable, wasabi wallet guys have catched most of the issues
no flow document, video playback, RTL scripts, CJK input and accessibility yet
TreeView works the same as in WPF

ALIENQuake

@ALIENQuake

ALIENQuake

@ALIENQuake

At 2 - dosen't matter for me

Can I create standalone executable where everything which is needed in order to run AV app is bundled inside executable ? (Net Core dll + Avalonia dll etc)

Jeremy Koritzinsky

@jkoritzinsky

You can use the single-exe feature in .NET Core 3.0

ALIENQuake

@ALIENQuake

@jkoritzinsky But does AV support Net Core 3.x ?

Jeremy Koritzinsky

@jkoritzinsky

AFAIK yes

ahopper

@ahopper

netcore 3.0 plays perfectly with Avalonia for me.