TextureFormat.R8 and EncodeToJPG not working as expected

Hi, I have a question about encoding the R8 texture to JPG image format, the resulting image has blueish tint throughout instead of it being greyscale. What I mean is the RGB components of output jpg image are not the same as are with R16 texture but the G and B components are 255 which makes the image appear blueish.

To replicate you can try this piece of code:

Code (CSharp):

1. renderTexture = new Texture(width, height, TextureFormat.R8, false);
2. // Save cameraview into the texture and then
3. RenderTexture.active = renderTexture;
4. var bytes = renderTexture.EncodeToJPG();
5. System.IO.File.WriteAllBytes("r8texture.jpg", bytes);

So I do not know whether I should report this as a bug because I would expect the output to be same as with R16 which is the value being replicated across the R, G, and B channel.

 

Hi BartPieters,

thank you very much for the reply. I have created a bug report with the use case.
I just find it weird because the outputs are different based on the number of bits, I would expect for the output to be normal not skewing to certain color spectrum.