gdk: Add GDK_VULKAN env variable
authorBenjamin Otte <otte@redhat.com>
Tue, 29 Nov 2016 14:35:04 +0000 (15:35 +0100)
committerBenjamin Otte <otte@redhat.com>
Fri, 9 Dec 2016 17:35:51 +0000 (18:35 +0100)
commitb6227aa998cf8e9a965b02b1fdf224e5090e5872
treec384fe3a411f2907c9ed92d67226f5bb6e8ac33a
parente11a6a0e68fcddeaffb9133645508d33da95b428
gdk: Add GDK_VULKAN env variable

Also add 2 flags:

GDK_VULKAN="disable" will disable Vulkan usage.

GDK_VULKAN="validate" will enable VK_LAYER_LUNARG_standard_validation.
gdk/gdk.c
gdk/gdkglobals.c
gdk/gdkinternals.h
gdk/gdkvulkancontext.c
gdk/gdkwindow.c