adding VK_KHR_device_group functions; adding single ICD output lib for all backends

src/ape/lib.zig

@@ -0,0 +1,28 @@
+const std = @import("std");
+const vk = @import("vulkan");
+pub const base = @import("base");
+pub const soft = @import("soft");
+
+pub const c = base.c;
+
+pub const ApeInstance = @import("ApeInstance.zig");
+
+pub const Instance = ApeInstance;
+
+pub const DRIVER_NAME = "Ape";
+
+pub const VULKAN_VERSION = vk.makeApiVersion(0, 1, 0, 0);
+pub const DRIVER_VERSION = vk.makeApiVersion(0, 0, 0, 1);
+
+pub const std_options = base.std_options;
+
+comptime {
+    _ = base;
+    _ = soft;
+}
+
+test {
+    std.testing.refAllDecls(ApeInstance);
+    std.testing.refAllDecls(soft);
+    std.testing.refAllDecls(base);
+}