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hwlocality_gl(3) Hardware Locality (hwloc) hwlocality_gl(3)

hwlocality_gl


static hwloc_obj_t hwloc_gl_get_display_osdev_by_port_device (hwloc_topology_t topology, unsigned port, unsigned device)
 
static hwloc_obj_t hwloc_gl_get_display_osdev_by_name (hwloc_topology_t topology, const char *name)
 
static int hwloc_gl_get_display_by_osdev (hwloc_topology_t topology, hwloc_obj_t osdev, unsigned *port, unsigned *device)
 

This interface offers ways to retrieve topology information about OpenGL displays.
Only the NVIDIA display locality information is currently available, using the NV-CONTROL X11 extension and the NVCtrl library.

Get the OpenGL display port and device corresponding to the given hwloc OS object. Return the OpenGL display port (server) in port and device (screen) in screen that correspond to the given hwloc OS device object. Return -1 if there is none.
The topology topology does not necessarily have to match the current machine. For instance the topology may be an XML import of a remote host. I/O devices detection and the GL component must be enabled in the topology.

Get the hwloc OS device object corresponding to the OpenGL display given by name. Return the OS device object describing the OpenGL display whose name is name, built as ':port.device' such as ':0.0' . Return NULL if there is none.
The topology topology does not necessarily have to match the current machine. For instance the topology may be an XML import of a remote host. I/O devices detection and the GL component must be enabled in the topology.
Note:
The corresponding PCI device object can be obtained by looking at the OS device parent object.

Get the hwloc OS device object corresponding to the OpenGL display given by port and device index. Return the OS device object describing the OpenGL display whose port (server) is port and device (screen) is device. Return NULL if there is none.
The topology topology does not necessarily have to match the current machine. For instance the topology may be an XML import of a remote host. I/O devices detection and the GL component must be enabled in the topology.
Note:
The corresponding PCI device object can be obtained by looking at the OS device parent object.

Generated automatically by Doxygen for Hardware Locality (hwloc) from the source code.
Sun Sep 2 2018 Version 1.11.11

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