https://bugs.freedesktop.org/show_bug.cgi?id=110310
Bug ID: 110310
Summary: glXQueryServerString is weirdly restrictive
Product: Mesa
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: enhancement
Priority: medium
Component: GLX
Assignee: mesa-dev@lists.freedesktop.org
Reporter: a...@nwnk.net
QA Contact: mesa-dev@lists.freedesktop.org
(This is with reference to src/glx/glxcmds.c; other implementations in the tree
might have similar issues, I haven't checked)
In principle you might want to query GLX_VENDOR_NAMES_EXT if you're trying to
do something clever with glvnd; other strings are imaginable for other possible
extensions. But at the moment the call to __glXQueryServerString is
unreachable, because of the 'default: return NULL;' in the switch statement.
Part of the reason for this is that the `priv->serverXXX` strings are saved in
the GLX display state and are manually freed at shutdown. If we returned
arbitrary strings too, we'd need to track them in a hash table; and once you're
doing that, why not do that for _all_ server strings.
This probably also requires making __glXQueryServerString robust against
getting errors instead of replies.
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