RetroPie / RetroPie/RetroPie-Setup

Retropie doesn't install slang shaders

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Description

See https://retropie.org.uk/forum/topic/31557/shaders-don-t-appear-to-be-selectable-only-when-using-lr-beetle-psx

Depending on the platform & core, sometimes RetroArch will only accept glcore & vulkan as video drivers, which require the usage of slang shaders.
Apparently, shaders in Retropie are installed from the hard fork https://github.com/RetroPie/common-shaders, which doesn't include slang shaders and also seems to use fairly old versions of glsl shaders.

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 with the linked RetroPie forum report and compare RetroPie’s shader source with the RetroPie/common-shaders repository referenced in the issue. Confirm which shader packages are installed for the affected platforms and cores, and consider the issue done when slang shaders are available where glcore or vulkan requires them.

Written by the indexing model from the issue text.

Assessment

Domain
computer-graphics, game-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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