REleted gpu.zig and created a lib.zig to output a module

build.zig

@@ -17,6 +17,11 @@ pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
+    // 1. Define the module so other projects can import it
+    _ = b.addModule("zig-wgpu", .{
+        .root_source_file = b.path("src/lib.zig"),
+    });
+
     const exe = b.addExecutable(.{
         .root_module = b.createModule(.{
             .root_source_file = b.path("src/main.zig"),

src/gpu.zig

@@ -1,5 +0,0 @@
-const std = @import("std");
-const c = @import("c.zig").c;
-
-pub const GpuAllocator = @import("GpuAllocator.zig");
-pub const Mat = @import("Mat.zig");

src/lib.zig

@@ -0,0 +1 @@
+pub const GpuAllocator = @import("GpuAllocator.zig");

src/main.zig

@@ -1,8 +1,9 @@
 const std = @import("std");
-const gpu = @import("gpu.zig");
+const GpuAllocator = @import("GpuAllocator.zig");
+const Mat = @import("Mat.zig");
 
 pub fn main() !void {
-    var gloc = try gpu.GpuAllocator.init();
+    var gloc = try GpuAllocator.init();
     defer gloc.deinit();
 
     // Input data: a[i] = i, b[i] = 15 - i  →  add should give all 15s
@@ -13,9 +14,9 @@ pub fn main() !void {
         data_b[i] = @floatFromInt(15 - i);
     }
 
-    const a = try gpu.Mat.load(&gloc, &data_a, 4, 4);
+    const a = try Mat.load(&gloc, &data_a, 4, 4);
     defer a.deinit();
-    const b = try gpu.Mat.load(&gloc, &data_b, 4, 4);
+    const b = try Mat.load(&gloc, &data_b, 4, 4);
     defer b.deinit();
 
     // a + b