meson: switch vulkan layer to list of choices

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2832>

meson.build

@@ -56,7 +56,8 @@ with_glx_read_only_text = get_option('glx-read-only-text')
 with_glx_direct = get_option('glx-direct')
 with_osmesa = get_option('osmesa')
 with_swr_arches = get_option('swr-arches')
-with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
+with_vulkan_overlay_layer = get_option('vulkan-layers').contains('overlay')
+with_vulkan_device_select_layer = get_option('vulkan-layers').contains('device-select')
 with_tools = get_option('tools')
 if with_tools.contains('all')
   with_tools = [
@@ -940,7 +941,7 @@ if _shader_cache != 'disabled'
   endif
 endif
 
-if with_shader_cache 
+if with_shader_cache
   shader_cache_max_size = get_option('shader-cache-max-size')
   if shader_cache_max_size != ''
     pre_args += '-DMESA_GLSL_CACHE_MAX_SIZE="@0@"'.format(shader_cache_max_size)

meson_options.txt

@@ -218,16 +218,11 @@ option(
   description : 'Location relative to prefix to put vulkan icds on install. Default: $datadir/vulkan/icd.d'
 )
 option(
-  'vulkan-overlay-layer',
-  type : 'boolean',
-  value : false,
-  description : 'Whether to build the vulkan overlay layer'
-)
-option(
-  'vulkan-device-select-layer',
-  type : 'boolean',
-  value : false,
-  description : 'Whether to build the vulkan device select layer'
+  'vulkan-layers',
+  type : 'array',
+  value : [],
+  choices : ['device-select', 'overlay'],
+  description : 'List of vulkan layers to build'
 )
 option(
   'shared-glapi',

src/vulkan/meson.build

@@ -69,6 +69,6 @@ subdir('wsi')
 if with_vulkan_overlay_layer
   subdir('overlay-layer')
 endif
-if get_option('vulkan-device-select-layer')
+if with_vulkan_device_select_layer
   subdir('device-select-layer')
 endif