ID 246623 - Texture Switch node doesn't work with alpha channels.

Problem summary

Texture Switch doesn't work with alpha channels.

The Texture Switch node doesn't pass the alpha channels of images.

Customer reported version
modo.13.0v1

Customer reported platform
windows10

Steps to reproduce

1) Download and open the attached scene.

2) Go to the Setup layout and check the images are attached to the Texture Switch node.

3) Select Render>Render and change to the Alpha Output.

4) Notice that the images alpha channels aren't being used.

Expected behaviour
You would expect the images to retain their alpha channel

Actual behaviour
The images aren't retaining their alpha channel when passed through the Texture Switch node.

Workaround
Unknown.

Reproduced by support

This bug has been reproduced in:

Modo 13.0v1 - Windows 10 - Centos 7 - MacOS 10.13

Modo 12.2v2 - Windows 10

Modo 12.1v2 - Windows 10

Modo 12.0v1 - Windows 10

Modo 11.2v3 - Windows 10

Modo 11.1v1 - Windows 10

Modo 11.0v3 - Windows 10

Modo 10.2v4 - Windows 10 - Centos 7 - MacOS 10.13

Earliest version tested

Modo 10.2v4 - This issue appears to be in all versions of the product.