stride3d / stride3d/stride

Screen artifact from Light sources with shadow map PCF filter enabled

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bug
Dominant language
C#
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Description

Release Type: Official Release

Version: 4.2.0.2232

Platform(s): Windows

Describe the bug
Point Light and Spot Light with shadow map PCF filter enabled produces a black screen artifact randomly.

To Reproduce
Steps to reproduce the behavior:

  1. Create new project
  2. Add a Point Light or Spot Light
  3. Enable shadows
  4. Enable PCF filter
  5. Move around camera and the artifact should eventually appear across the screen

Expected behavior
No screen artifacts should appear.

Screenshots
Image

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

No source file, test, or entry point is named. First reproduce on Windows with a Point Light or Spot Light, shadows, and PCF enabled, then trace the shadow-map PCF rendering path; done means moving the camera no longer produces a black screen artifact.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
computer-graphics, game-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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