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glXQueryContextInfoEXT - query context information
int
glXQueryContextInfoEXT( Display *dpy,
GLXContext ctx,
int attribute,
int *value )
eqn not supported
- 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 display lists. or
NULL if this context does not share display lists.
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.
GLXBadContext is generated if ctx does not refer to
a valid context.
glXCreateContext, glXQueryVersion, glXQueryExtensionsString
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