x

Search in
Sort by:

Question Status:

Search help

  • Simple searches use one or more words. Separate the words with spaces (cat dog) to search cat,dog or both. Separate the words with plus signs (cat +dog) to search for items that may contain cat but must contain dog.
  • You can further refine your search on the search results page, where you can search by keywords, author, topic. These can be combined with each other. Examples
    • cat dog --matches anything with cat,dog or both
    • cat +dog --searches for cat +dog where dog is a mandatory term
    • cat -dog -- searches for cat excluding any result containing dog
    • [cats] —will restrict your search to results with topic named "cats"
    • [cats] [dogs] —will restrict your search to results with both topics, "cats", and "dogs"

Multimasking opacity in Dbuffer decals not properly implemented

With multimasking opacity in dbuffer decals, I'm talking about this: https://forums.unrealengine.com/unreal-engine/feedback-for-epic/96650-metalness-in-dbuffer-decals/page2

Thing is, this change appears to have been officially implemented. 4.21 official release notes talk about metalness, specular, and emissive channels being added to dbuffer decal materials, which works.

However, when taking a look at the shader files (/Engine/Shaders/Private/DecalCommon.ush and MeshDecals.usf), it also appears that multimasking has been implemented (there is a float3 multiopacity parameter, and multiple comments refer to the .x affecting color, .y affecting normal, and .z affecting metal/spec/rough), however, it doesn't work as that multiopacity parameter is casted from just a float, from the material opacity. If you input a 3vector into the opacity material output in editor, you can see that it is only affected by the red channel.

In other words, there seems to be support for multimasking but it doesn't work as the Opacity material output only seems to support one channel, and not the three required.

Is this a bug, or it simply hasn't been implemented yet?

Product Version: UE 4.21
Tags:
more ▼

asked Nov 09 '18 at 03:08 PM in Bug Reports

avatar image

Mannschen
1 1

avatar image Jeff A ♦♦ STAFF Nov 09 '18 at 08:48 PM

Hello,

We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks

(comments are locked)
10|2000 characters needed characters left
Viewable by all users

0 answers: sort voted first
Be the first one to answer this question
toggle preview:

Up to 5 attachments (including images) can be used with a maximum of 5.2 MB each and 5.2 MB total.

Follow this question

Once you sign in you will be able to subscribe for any updates here

Answers to this question