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greggman · Feb 1, 2024 · 5bd6e39 · 5bd6e39
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diff --git a/CHANGELIST.md b/CHANGELIST.md
@@ -1,5 +1,9 @@
 # Change List
 
+### 1.4.0
+
+* Support `atomic`
+
 ### 1.3.0
 
 * Add `makeBindGroupLayoutDescriptors`

diff --git a/dist/1.x/webgpu-utils.js b/dist/1.x/webgpu-utils.js
diff --git a/dist/1.x/webgpu-utils.js.map b/dist/1.x/webgpu-utils.js.map
diff --git a/dist/1.x/webgpu-utils.min.js b/dist/1.x/webgpu-utils.min.js
diff --git a/dist/1.x/webgpu-utils.min.js.map b/dist/1.x/webgpu-utils.min.js.map
diff --git a/dist/1.x/webgpu-utils.module.js b/dist/1.x/webgpu-utils.module.js
diff --git a/dist/1.x/webgpu-utils.module.js.map b/dist/1.x/webgpu-utils.module.js.map
diff --git a/index.html b/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <!-- this file is auto-generated from README.md. Do not edited directly -->
 <!--
-@license webgpu-utils 1.3.0 Copyright (c) 2023, Gregg Tavares All Rights Reserved.
+@license webgpu-utils 1.4.0 Copyright (c) 2023, Gregg Tavares All Rights Reserved.
 Available via the MIT license.
 see: http://github.com/greggman/webgpu-utils for details
 -->

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webgpu-utils",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "webgpu utilities",
   "main": "dist/1.x/webgpu-utils.module.js",
   "module": "dist/1.x/webgpu-utils.module.js",

diff --git a/src/buffer-views.ts b/src/buffer-views.ts
@@ -70,6 +70,9 @@ const b: { readonly [K: string]: TypeDef } = {
 const typeInfo: { readonly [K: string]: TypeDef } = {
   ...b,
 
+  'atomic<i32>': b.i32,
+  'atomic<u32>': b.u32,
+
   'vec2<i32>': b.vec2i,
   'vec2<u32>': b.vec2u,
   'vec2<f32>': b.vec2f,

diff --git a/test/tests/buffer-views-test.js b/test/tests/buffer-views-test.js
@@ -227,6 +227,49 @@ describe('buffer-views-tests', () => {
         test(defs.storages.vsStorage);
     });
 
+    it('handles atomics', () => {
+        const shader = `
+    struct AB {
+        a: atomic<u32>,
+        b: array<atomic<u32>, 4>,
+    };
+
+    @group(0) @binding(0) var<storage, read_write> s1: atomic<u32>;
+    @group(0) @binding(1) var<storage, read_write> s2: array<atomic<u32>, 4>;
+    @group(0) @binding(2) var<storage, read_write> s3: AB;
+    @group(0) @binding(0) var<storage, read_write> s4: atomic<i32>;
+        `;
+        const defs = makeShaderDataDefinitions(shader);
+        {
+            const {views, arrayBuffer} = makeStructuredView(defs.storages.s1);
+            assertEqual(arrayBuffer.byteLength, 4);
+            assertEqual(views.length, 1);
+            assertTruthy(views instanceof Uint32Array);
+        }
+        {
+            const {views, arrayBuffer} = makeStructuredView(defs.storages.s2);
+            assertEqual(arrayBuffer.byteLength, 16);
+            assertEqual(views.length, 4);
+            assertTruthy(views instanceof Uint32Array);
+        }
+        {
+            const {views, arrayBuffer} = makeStructuredView(defs.storages.s3);
+            assertEqual(arrayBuffer.byteLength, 20);
+            assertEqual(views.a.length, 1);
+            assertEqual(views.a.byteOffset, 0);
+            assertEqual(views.b.length, 4);
+            assertEqual(views.b.byteOffset, 4);
+            assertTruthy(views.a instanceof Uint32Array);
+            assertTruthy(views.b instanceof Uint32Array);
+        }
+        {
+            const {views, arrayBuffer} = makeStructuredView(defs.storages.s4);
+            assertEqual(arrayBuffer.byteLength, 4);
+            assertEqual(views.length, 1);
+            assertTruthy(views instanceof Int32Array);
+        }
+    });
+
     it('handles arrays of structs', () => {
         const shader = `
     struct VertexDesc {