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Implement terrain normal map #400

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Xtarsia opened this issue Jun 10, 2024 · 0 comments
Open

Implement terrain normal map #400

Xtarsia opened this issue Jun 10, 2024 · 0 comments
Labels
enhancement New feature or request
Milestone
Future

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@Xtarsia
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Xtarsia commented Jun 10, 2024

Description

Pros:

  1. Significantly faster, only 1 lookup only per pixel, instead of 2 in vertex and 3 in fragment.
  2. Doesnt suffer from the region border artifact.
  3. Enables propper implementation of 3D projection.

Cons:

  1. Requires an additional 3MB vram per region*
  2. Updating when painting needs additional features top be fast (GPU painting / Some editor specific work arounds like an editor only shader that still has GPU based normals whilst painting)

*Its possible to use only an RG8 texture for 2MiB.
@TokisanGames TokisanGames added the enhancement New feature or request label Jun 11, 2024
@TokisanGames TokisanGames moved this to Future Ideas in Terrain3D Roadmap Jun 11, 2024
@TokisanGames TokisanGames added this to the Future milestone Jun 11, 2024
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Labels
enhancement New feature or request
Projects
Terrain3D Roadmap
Status: Future Ideas
Milestone
Future
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@TokisanGames @Xtarsia