Khronos Public Bugzilla
Bug 269 - no mention of GL_(UN)PACK_LSB_FIRST in spec, other than table
Summary: no mention of GL_(UN)PACK_LSB_FIRST in spec, other than table
Alias: None
Product: OpenGL
Classification: Unclassified
Component: API Specification (show other bugs)
Version: 3.2
Hardware: All All
: P3 normal
Target Milestone: ---
Assignee: Jon Leech
QA Contact:
Depends on:
Reported: 2010-03-03 16:56 PST by Dan Bartlett
Modified: 2013-09-13 07:06 PDT (History)
0 users

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Description Dan Bartlett 2010-03-03 16:56:06 PST
The only place GL_UNPACK_LSB_FIRST + GL_PACK_LSB_FIRST are mentioned in the OpenGL 3.2 spec is listed in tables (3.1 + 4.7).  There should be a description somewhere of what effect they have.
Comment 1 Jon Leech 2010-03-05 01:26:23 PST
UNPACK_LSB_FIRST is described in section 3.7.5 "Rasterization of Pixel
Rectangles" of the compatibility profile spec, and PACK_LSB_FIRST is
described (inferentially) in the last paragraph of section 4.3.3 in
that spec. I believe you have a good point about the core profile
spec though.
Comment 2 Jon Leech 2010-03-05 01:26:55 PST
Someone was messing with Bugzilla. Fixing fields.
Comment 3 Jon Leech 2013-09-13 07:06:23 PDT
The history of this was that we took BITMAP out of core profile in GL 3.2,
but didn't realize that the only uses of the *PACK_LSB_FIRST state was with
BITMAP formats, so they stayed in core. We have deprecated the state in
GL 4.3 but we're never going to remove it from core since it's conceivable
that someone is setting/getting it even though it has no functionality.