How to replace PNG image display processing with DOTS

I would like to replace the following code with DOTS and execute it on a worker thread, but is there a good way?

Code (CSharp):

1. byte[] bytes = new byte[ 0 ]; // TODO
2. Texture2D texture = new Texture2D( 0, 0 );

3. ImageConversion.LoadImage( texture, bytes, false );

4. Sprite.Create( texture, new Rect( 0, 0, texture.width, texture.height ), Vector2.zero );


 

I'm also interested, we load a lot of textures dinamically on our projects.

 

Maybe https://docs.unity3d.com/ScriptReference/Texture2D.LoadRawTextureData.html might help. Most processing of textures and other data unity has formats for, need at least some work done on the main thread. At a minimum the data has to be written/synchronized on the main thread before it can be used from the main thread.. I would think LoadRawTextureData is pretty fast, and there might be other handy api's for this also I'm not aware of.

To load files async you can use https://docs.unity3d.com/ScriptReference/Unity.IO.LowLevel.Unsafe.AsyncReadManager.html.

I think the tools are mostly there even if fairly low level at this point.

 

Validates the speed of LoadRawTextureData.

By the way, is it difficult with DOTS?

 

You need to know the width and height before running LoadRawTextureData. Also, it is not practical because strange errors occur.

 

It’s works without errors. We using that in our game in many places for checking and updating mask textures (where compute shaders not required)

 

Is it likely that I've made a mistake in using LoadRawTextureData, so is it possible to have sample code for displaying PNG images ready?

 

Thank you very much. I understand how to use LoadRawTextureData correctly.

However, I do not want to adopt it for my project because it is troublesome to convert the binary data of PNG image to the format that LoadRawTextureData can handle.

I want to know how to run on a worker thread as easily as LoadImage.

 

I'll try because it may be solved using Native Plugin and CustomTextureUpdate instead of DOTS.

http://tips.hecomi.com/entry/2018/06/24/181446
http://tips.hecomi.com/entry/2018/07/16/125118

 

I was able to do something other than creating Texture2D in the rendering thread.
However, because Texture2D constructor is heavy, it was useless.

 

It turned out that this is not possible at the moment.