direct copy vulkan-zig example

build.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const vkgen = @import("vulkan-zig");
 
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
@@ -17,6 +18,15 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
+    const shaders = vkgen.ShaderCompileStep.create(
+        b,
+        &[_][]const u8{ "glslc", "--target-env=vulkan1.3" },
+        "-o",
+    );
+    shaders.add("triangle_vert", "src/shaders/triangle.vert", .{});
+    shaders.add("triangle_frag", "src/shaders/triangle.frag", .{});
+    exe.root_module.addImport("shaders", shaders.getModule());
+
     // this requires PKG_CONFIG_PATH to be set. something like:
     //  ~/.local/lib/pkgconfig/
     exe.linkSystemLibrary2("glfw3", .{