Fixes to Scripts/runcts script from PR review.
Consolidate portability command line options selection.
Document magic numbers used to limit portability option
to Vulkan 1.0 and limited extensions.
diff --git a/Scripts/runcts b/Scripts/runcts
index 40c0164..17ebd5d 100755
--- a/Scripts/runcts
+++ b/Scripts/runcts
@@ -57,11 +57,7 @@
cts_vk_dir="${2}"
shift 2
;;
- -p)
- is_portability="Y"
- shift 1
- ;;
- --portability)
+ -p | --portability)
is_portability="Y"
shift 1
;;
@@ -88,6 +84,11 @@
# -------------- MoltenVK configuration --------------------
+# As documented above, the portability option restricts to Vulkan 1.0 and a very limited set of extensions.
+# The values used here are documented in vk_mvk_moltenvk.h.
+# - MVK_CONFIG_API_VERSION_TO_ADVERTISE = VK_API_VERSION_1_0 (4194304)
+# - MVK_CONFIG_ADVERTISE_EXTENSIONS selects support for a very limited set of extensions,
+# using a bit-or of values in MVKConfigAdvertiseExtensions,
if [ "${is_portability}" != "" ]; then
export MVK_CONFIG_API_VERSION_TO_ADVERTISE=4194304
export MVK_CONFIG_ADVERTISE_EXTENSIONS=0xA
