GLXQUERYVERSION() GLXQUERYVERSION()
NAME
glXQueryVersion - return the version numbers of the GLX extension
C SPECIFICATION
Bool glXQueryVersion( Display *dpy,
int *major,
int *minor )
delim $$
PARAMETERS
dpy Specifies the connection to the X server.
major Returns the major version number of the GLX server extension.
minor Returns the minor version number of the GLX server extension.
DESCRIPTION
glXQueryVersion returns the major and minor version numbers of the GLX extension implemented by the server associated with connection dpy.
Implementations with the same major version number are upward compatible, meaning that the implementation with the higher minor number is a
superset of the version with the lower minor number.
major and minor do not return values if they are specified as NULL.
ERRORS
glXQueryVersion returns False if it fails, True otherwise.
major and minor are not updated when False is returned.
SEE ALSO
glXQueryExtension
GLXQUERYVERSION()
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GLXGETCLIENTSTRING() GLXGETCLIENTSTRING()
NAME
glXGetClientString - return a string describing the client
C SPECIFICATION
const char * glXGetClientString( Display *dpy,
int name )
delim $$
PARAMETERS
dpy Specifies the connection to the X server.
name Specifies which string is returned. One of GLX_VENDOR, GLX_VERSION, or GLX_EXTENSIONS.
DESCRIPTION
glXGetClientString returns a string describing some aspect of the client library. The possible values for name are GLX_VENDOR, GLX_VERSION,
and GLX_EXTENSIONS. If name is not set to one of these values, glXGetClientString returns NULL. The format and contents of the vendor
string is implementation dependent.
The extensions string is null-terminated and contains a space-separated list of extension names. (The extension names never contain spa-
ces.) If there are no extensions to GLX, then the empty string is returned.
The version string is laid out as follows:
<major_version.minor_version><space><vendor-specific info>
Both the major and minor portions of the version number are of arbitrary length. The vendor-specific information is optional. However, if
it is present, the format and contents are implementation specific.
NOTES
glXGetClientString is available only if the GLX version is 1.1 or greater.
If the GLX version is 1.1 or 1.0, the GL version must be 1.0. If the GLX version is 1.2, then the GL version must be 1.1.
glXGetClientString only returns information about GLX extensions supported by the client. Call glGetString to get a list of GL extensions
supported by the server.
SEE ALSO
glXQueryVersion, glXQueryExtensionsString, glXQueryServerString
GLXGETCLIENTSTRING()
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