TASEmulators / TASEmulators/desmume

backface culling inaccuracy

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#869 1 comment 0 reactions 0 assignees View on GitHub

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Dominant language
C++
Stars
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Forks
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Description

State your operating system:

windows 10

DesMuME version

0.9.13 release

Issue

backface culling on flat floor or ceiling polygons is not emulated correctly. shows the wireframe instead of faces. ran it on device too.

basic dual screen 3d template with culling enabled and properly oriented faces.

x1

Contributor guide

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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 reproducing the issue with the basic dual-screen 3D template on Windows 10 and compare the emulator with the device. Trace the rendering path for backface culling on flat floor and ceiling polygons; done means correctly oriented culled faces render as faces rather than wireframe.

Written by the indexing model from the issue text.

Assessment

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

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