Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

BC1-3 Compressor single color optimization #223

Open
walbourn opened this issue Mar 4, 2021 · 2 comments
Open

BC1-3 Compressor single color optimization #223

walbourn opened this issue Mar 4, 2021 · 2 comments
Assignees
@walbourn
Labels
enhancement

Comments

@walbourn
Copy link
Member

walbourn commented Mar 4, 2021 •
edited

The libsquish library adds a special-case block compression for DXT when all 16 source pixels in the block are the same color.

For this case, it uses a table-based scheme to pick the optimal encoding.

NVTT adopted the same solution.
@walbourn
Copy link
Member Author

walbourn commented Mar 4, 2021

Algorithm discussed in this blog

@walbourn walbourn mentioned this issue Mar 4, 2021
Closed
@walbourn walbourn pinned this issue Jun 4, 2021
@walbourn
Copy link
Member Author

walbourn commented Jun 9, 2021

Q: What do to about dithering with the single-color blocks?

@walbourn walbourn self-assigned this Aug 18, 2021
@walbourn walbourn unpinned this issue Oct 23, 2021
@walbourn walbourn mentioned this issue Jul 3, 2023
Closed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@walbourn walbourn

Labels
enhancement
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@walbourn