GLXQUERYCONTEXTINFOEXT(3gl)
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 display 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, glXQueryExtensionsString