+
+#
+# Vulkan driver configuration
+#
+
+AC_ARG_WITH([vulkan-drivers],
+ [AS_HELP_STRING([--with-vulkan-drivers@<:@=DIRS...@:>@],
+ [comma delimited Vulkan drivers list, e.g.
+ "intel"
+ @<:@default=no@:>@])],
+ [with_vulkan_drivers="$withval"],
+ [with_vulkan_drivers="no"])
+
+# Doing '--without-vulkan-drivers' will set this variable to 'no'. Clear it
+# here so that the script doesn't choke on an unknown driver name later.
+case "x$with_vulkan_drivers" in
+ xyes) with_vulkan_drivers="$VULKAN_DRIVERS_DEFAULT" ;;
+ xno) with_vulkan_drivers='' ;;
+esac
+
+AC_ARG_WITH([vulkan-icddir],
+ [AS_HELP_STRING([--with-vulkan-icddir=DIR],
+ [directory for the Vulkan driver icd files @<:@${sysconfdir}/vulkan/icd.d@:>@])],
+ [VULKAN_ICD_INSTALL_DIR="$withval"],
+ [VULKAN_ICD_INSTALL_DIR='${sysconfdir}/vulkan/icd.d'])
+AC_SUBST([VULKAN_ICD_INSTALL_DIR])
+
+if test -n "$with_vulkan_drivers"; then
+ VULKAN_DRIVERS=`IFS=', '; echo $with_vulkan_drivers`
+ for driver in $VULKAN_DRIVERS; do
+ case "x$driver" in
+ xintel)
+ if test "x$HAVE_I965_DRI" != xyes; then
+ AC_MSG_ERROR([Intel Vulkan driver requires the i965 dri driver])
+ fi
+ if test "x$with_sha1" == "x"; then
+ AC_MSG_ERROR([Intel Vulkan driver requires SHA1])
+ fi
+ HAVE_INTEL_VULKAN=yes;
+
+ ;;
+ *)
+ AC_MSG_ERROR([Vulkan driver '$driver' does not exist])
+ ;;
+ esac
+ done
+ VULKAN_DRIVERS=`echo $VULKAN_DRIVERS|tr " " "\n"|sort -u|tr "\n" " "`
+fi
+
+