Mesa (main): meson: allow building with vulkan beta extensions enabled.

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Module: Mesa
Branch: main
Commit: 995f38838fc7aa485714c7574be6143c5badee5c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=995f38838fc7aa485714c7574be6143c5badee5c

Author: Dave Airlie <airlied at redhat.com>
Date:   Fri Nov  5 09:52:05 2021 +1000

meson: allow building with vulkan beta extensions enabled.

This is just a precursor to anyone enabling beta stuff later.

Reviewed-by: Emma Anholt <emma at anholt.net>
Reviewed-by: Eric Engestrom <eric at engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13685>

---

 meson.build       | 5 +++++
 meson_options.txt | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/meson.build b/meson.build
index 3aa9a6b4f9f..e1f5fb30db8 100644
--- a/meson.build
+++ b/meson.build
@@ -333,6 +333,11 @@ else
   with_dri_platform = 'none'
 endif
 
+with_vulkan_beta = get_option('vulkan-beta')
+if with_vulkan_beta
+  pre_args += '-DVK_ENABLE_BETA_EXTENSIONS'
+endif
+
 _platforms = get_option('platforms')
 if _platforms.contains('auto')
   if system_has_kms_drm
diff --git a/meson_options.txt b/meson_options.txt
index 32c7593ee8e..fd0d99f2f9a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -530,3 +530,9 @@ option(
   value : false,
   description : 'Build gallium VMware/svga driver with mksGuestStats instrumentation.'
 )
+option(
+  'vulkan-beta',
+  type : 'boolean',
+  value : false,
+  description : 'Build vulkan drivers with BETA extensions enabled.'
+)