Simplify shader compilation step

build.zig

@@ -1,8 +1,9 @@
 const std = @import("std");
 
-const SHADERS: []const struct { file: []const u8, stage: []const u8 } = &.{
+/// Paths specified here are compiled to SPIR-V instead of being copied over
-    .{ .file = "basic", .stage = "vert" },
+const SHADERS: []const []const u8 = &.{
-    .{ .file = "basic", .stage = "frag" },
+    "data/shaders/basic.vert",
+    "data/shaders/basic.frag",
 };
 
 pub fn build(b: *std.Build) void {
@@ -19,14 +20,29 @@ pub fn build(b: *std.Build) void {
     exe.linkLibC();
     exe.linkSystemLibrary("SDL3");
 
-    inline for (SHADERS) |shader| {
+    const copy_data_cmd = b.addInstallDirectory(.{
+        .source_dir = b.path("data"),
+        .install_dir = .bin,
+        .install_subdir = "data",
+        .exclude_extensions = &.{ "vert", "frag" },
+    });
+    b.getInstallStep().dependOn(&copy_data_cmd.step);
+
+    for (SHADERS) |shader_path| {
         const glslc = b.addSystemCommand(&.{"glslc"});
-        glslc.addArg("-fshader-stage=" ++ shader.stage);
+
-        glslc.addFileArg(b.path("assets/shaders/" ++ shader.file ++ "." ++ shader.stage));
+        const ext = std.fs.path.extension(shader_path);
+        if (std.mem.eql(u8, ext, "vert")) {
+            glslc.addArg("-fshader-stage=vert");
+        }
+        if (std.mem.eql(u8, ext, "frag")) {
+            glslc.addArg("-fshader-stage=frag");
+        }
+
+        glslc.addFileArg(b.path(shader_path));
         glslc.addArg("-o");
-        const filename = shader.file ++ "_" ++ shader.stage ++ ".spv";
+        const shader_artifact = glslc.addOutputFileArg(std.fs.path.basename(shader_path));
-        const shader_artifact = glslc.addOutputFileArg(filename);
+        b.getInstallStep().dependOn(&b.addInstallFileWithDir(shader_artifact, .bin, shader_path).step);
-        b.getInstallStep().dependOn(&b.addInstallFileWithDir(shader_artifact, .prefix, filename).step);
     }
 
     const run_cmd = b.addRunArtifact(exe);

build.zig.zon

@@ -6,6 +6,6 @@
         "build.zig",
         "build.zig.zon",
         "src",
-        "assets",
+        "data",
     },
 }