Stop hardcode alpha offset to 24 for 32-bpp fb. #22
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
For NetBSD/aarch64eb and armeb, framebuffer seems byte-swapped to CPU,
which was initially configured to little-endian mode by firmware and
switched to big-endian mode by kernel. Therefore, ARGB8888 fb becomes
BGRA8888, for example.
For Linux and FreeBSD, use alpha offset set by fb drivers. I cannot
test them. Sorry.
For wscons on NetBSD, unfortunately, alpha offset and size are not
set by (most?) fb drivers (they are 0). Therefore, we need to guess
them from offsets and sizes of red, green, and blue.