[PATCH wayland-protocols, weston] Extend linux-dmabuf to bypass roundtrip during dmabuf import

[Varad Gautam]

Hello,

This patchset provides an immediate path to import dmabufs into a
wl_buffer to avoid the round-trip wait a client must face to receive
the buffer handle.

Previous discussion: https://phabricator.freedesktop.org/T7570

Varad

wayland-protocols:

Varad Gautam (1):
  linux-dmabuf: add immediate dmabuf import path

 unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml | 58 +++++++++++++++++++---
 1 file changed, 52 insertions(+), 6 deletions(-)
  
weston:

Varad Gautam (2):
  linux-dmabuf: implement immediate dmabuf import
  clients/simple-dmabuf-intel: request no-roundtrip dmabuf import
 
 clients/simple-dmabuf-intel.c | 59 ++++++++++++++++++++++++++++++++++++++-----
 libweston/linux-dmabuf.c      | 56 ++++++++++++++++++++++++++++++++--------
 2 files changed, 98 insertions(+), 17 deletions(-)