[PATCH 0/2] Damage driver hooks

Sat Jul 18 08:37:38 PDT 2009

On Fri, 2009年07月17日 at 15:10 -0700, Aaron Plattner wrote: 
> This pair of patches adds hooks that allow drivers (or other server modules) to
> wrap the creation, registration, unregistration, and destruction of Damage
> objects. This allows drivers like the NVIDIA driver to turn notifications on
> and off for direct-rendering OpenGL and VDPAU clients as Damage clients appear
> and disappear. Currently, the driver has no way of knowing when a Damage object
> is created, which hinders screen-scraping programs like x11vnc.

How so? There's at least two possible solutions available for generating
damage from direct rendering components:
 * XDamageAdd(), as used by the Mesa libGL with DRI1.
 * Doing the actual manipulation of X drawable contents in the X
 server, as done by DRI2.
-- 
Earthling Michel Dänzer | http://www.vmware.com
Libre software enthusiast | Debian, X and DRI developer