Nvidia Corp. Computer Hardware 2 Manual do Utilizador descarregar pdf (Página 57)

NVIDIA Quadro G-Sync II User Guide

The following are the basic steps:

Open a display connection to each X Screen you want to control in

your frame lock cluster.

Make sure you have privileges to establish the X connection.

Query the NV_CTRL_FRAMELOCK attribute to determine if frame

lock is supported on each X screen.

Set

NV_CTRL_FRAMELOCK_MASTER to NV_CTRL_FRAMELOCK_

MASTER_TRUE on one node in the cluster; set it to NV_CTRL_

FRAMELOCK_MASTER_FALSE on every other node in the cluster.

Set

NV_CTRL_FRAMELOCK_POLARITY for each slave node in the

cluster.

Most likely, you want NV_CTRL_FRAMELOCK_POLARITY_RISING_

EDGE.

Set

NV_CTRL_FRAMELOCK_SYNC_DELAY as appropriate for each

node.

Most likely, you want 0.

Set

NV_CTRL_FRAMELOCK_SYNC_INTERVAL as appropriate if you

are using a house sync.

Most likely, you want 0.

Set

NV_CTRL_FRAMELOCK_SYNC to NV_CTRL_FRAMELOCK_SYNC_

ENABLE on each X screen to enable frame lock.

(Optional) Set

NV_CTRL_FRAMELOCK_TEST_SIGNAL to NV_CTRL_

FRAMELOCK_TEST_SIGNAL_ENABLE followed immediately by

NV_CTRL_FRAMELOCK_TEST_SIGNAL_DISABLE.

This guarantees accuracy of the Universal Frame Count (as

returned by glXQueryFrameCountNV()).

When you are done, set

NV_CTRL_FRAMELOCK_SYNC to NV_CTRL_

FRAMELOCK_SYNC_DISABLE on each X screen to disable frame

lock.

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Nvidia Corp. Computer Hardware 2 Manual do Utilizador Página 57