Mesa (master): loader: Add dri3 helper

[Martin Peres]

Module: Mesa
Branch: master
Commit: 6bd9ba7d07490059024d16ba32fafa1c5bb239ee
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6bd9ba7d07490059024d16ba32fafa1c5bb239ee

Author: Boyan Ding <boyan.j.ding at gmail.com>
Date:   Tue Jul 21 23:43:54 2015 +0800

loader: Add dri3 helper

v2: From Martin Peres
 - Try to fit in the 80-col limit as much as possible

v3: From Martin Peres
 - introduce loader_dri3_helper.la to avoid dragging the xcb dep everywhere (Kristian & Emil)
 - get rid of the width, height, dri_screen and is_different_gpu vfuncs (Kristian)
 - replace the create/destroy functions with init/fini for dri3 drawables
 - prefix static functions with dri3_ and exported ones with loader_dri3 (Emil)
 - keep the function definition consistent (Emil)

Signed-off-by: Boyan Ding <boyan.j.ding at gmail.com>
Signed-off-by: Martin Peres <martin.peres at linux.intel.com>
Reviewed-by: Kristian Høgsberg <krh at bitplanet.net>
Reviewed-by: Emil Velikov <emil.velikov at collabora.co.uk>

---

 configure.ac                    |    3 +-
 src/glx/Makefile.am             |    2 +
 src/loader/Makefile.am          |   15 +-
 src/loader/loader_dri3_helper.c | 1376 +++++++++++++++++++++++++++++++++++++++
 src/loader/loader_dri3_helper.h |  232 +++++++
 5 files changed, 1626 insertions(+), 2 deletions(-)

Diff:   http://cgit.freedesktop.org/mesa/mesa/diff/?id=6bd9ba7d07490059024d16ba32fafa1c5bb239ee