CopyRectangle support for BC compressed format images
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 45/100
- Issue type
- Feature
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- cpp
- Domain
- computer-graphics
Research direction
Start at the CopyRectangle implementation and its existing unsupported path for BC compressed images. Inspect how 4x4 compression blocks are addressed, then verify that rectangle copying rounds coordinates to block boundaries and operates without decompressing the image data.
Written by the indexing model from the issue text.
Description
Currently CopyRectangle reports "unsupported" for BC compressed images. It can, however, be made to operate on a per-block basis rounding to the nearest 4x4 pixel coordinate.
This is a useful operation when creating tiled textures without having to decompress the data first.
- Dominant language
- C++
- Stars
- 2.2k
- Forks
- 498
- Avg merge
- 2d 5h
- Merged PRs (30d)
- 6
Contributor guide
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First steps
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- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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