How to use CameraX to add OpenGL filters when implementing preview

[jialiang li]

As the title describes, I hope that when implementing the preview, it is convenient to add the filter of OpenGL. 

Can give me some help? Thank you very much.

[LINGA venkatesh]

+1

We have a similar requirement as well!

Regards,
Venkatesh.

[Trevor McGuire]

I am currently finishing up a sample for rendering the camera frames from CameraX using OpenGL. It should be fairly easy to adapt this sample to include your own OpenGL filters. 

However, it would be great to hear what types of filter you would want to use/are currently using.

[Yossi Elkrief]

+1 on OpenGL. 
I would love to have a usecase built where we can get the frames pass to Open GL as preview and also have a way to change the frames before GL draw. 
For example drawing outlines around faces or changing hue, BW filter etc. 

[박수한]

Thank you for your efforts. Is there a timeline of the sample? 

2020년 4월 15일 수요일 오전 3시 48분 22초 UTC+9, Trevor McGuire 님의 말:

[Filip Larsson]

Hi, I was wondering how it's going with your sample :)
This is something that I would really like to read how to do with CameraX.

I'm currently having some negative, black and white, and some other filters. One of the filters I can change some tone colors in real time with a slider.

Thanks!

[Scott Nien]

The OpenGL sample is already in AOSP androidX repository.    Please try it out.     it is not in github so you might need to change the build.gradle to build the project.   
https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/camera/integration-tests/coretestapp/src/main/java/androidx/camera/integration/core/OpenGLActivity.java

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[Yossi Elkrief]

I got it working. 
This is the github sample repo

[Scott Nien]

Nice !   
Thanks for sharing it to the group.   

On Tue, Jun 23, 2020 at 7:21 PM Yossi Elkrief <elkr...@gmail.com> wrote:

I got it working. 
This is the github sample repo

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