has finished rendering to the object, then the object must be made
coherent with the CPU's view
of memory, usually involving GPU cache flushing of various kinds.
- This core CPU<->GPU coherency management is provided by the GEM
- set domain function, which evaluates an object's current domain and
+ This core CPU<->GPU coherency management is provided by a
+ device-specific ioctl, which evaluates an object's current domain and
performs any necessary flushing or synchronization to put the object
into the desired coherency domain (note that the object may be busy,
- i.e. an active render target; in that case, the set domain function
+ i.e. an active render target; in that case, setting the domain
blocks the client and waits for rendering to complete before
performing any necessary flushing operations).
</para>