GLXQUERYCONTEXTINFOMachTen Programmer’s MGLXQUERYCONTEXTINFOEXT()

NAME
glXQueryContextInfoEXT - query context information

C SPECIFICATION
int glXQueryContextInfoEXT( Display *dpy,
GLXContext ctx,
int attribute,
int *value )

delim $$

PARAMETERS
dpy Specifies the connection to the X server.

ctx Specifies a GLX rendering context.

attribute The visual ID that the context was created
with.

value The X screen the the context was created for.

_param5 The context with which this context shares dis-
play lists. or NULL if this context does not
share display lists.

DESCRIPTION
glXQueryContextInfoEXT returns the the visual id, screen
number, and share list of ctx. This call may cause a round
trip to the server.

glXQueryContextInfoEXT is part of the EXT_import_context
extension, not part of the core GLX command set. If
GLX_EXT_import_context is included in the string returned
by glXQueryExtensionsString, when called with argument
GLX_EXTENSIONS, extension EXT_import_context is supported.

ERRORS
GLXBadContext is generated if ctx does not refer to a
valid context.

SEE ALSO
glXCreateContext, glXQueryVersion, glXQueryExtension-
sString

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