openframeworks / openframeworks/openFrameworks

Making ofMaterial extendable

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Dominant language
C++
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Description

Hi,

I'm trying to use the ofMaterial with drawInstanced. It would be nice to be able to extend the material. Right now everything is private and I have to copy and paste the whole code to provide another vertex shader.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the ofMaterial implementation and the drawInstanced entry point mentioned in the issue. Read how the material currently owns its shaders and identify the existing extension boundaries. Done means callers can provide an alternate vertex shader through an extendable material without copying the full ofMaterial implementation.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
computer-graphics
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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