1 files changed, 31 insertions, 0 deletions
diff --git a/dom/webgpu/mochitest/test_queue_write.html b/dom/webgpu/mochitest/test_queue_write.html
new file mode 100644
index 0000000000..527cdf580f
--- /dev/null
+++ b/dom/webgpu/mochitest/test_queue_write.html
@@ -0,0 +1,31 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+<meta charset='utf-8'>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+</head>
+<body>
+<script>
+
+ok(SpecialPowers.getBoolPref('dom.webgpu.enabled'), 'Pref should be enabled.');
+
+const func = async function() {
+  const adapter = await navigator.gpu.requestAdapter();
+  const device = await adapter.requestDevice();
+  const buffer = device.createBuffer({size:16, usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.COPY_SRC | GPUBufferUsage.VERTEX});
+  const arrayBuf = new ArrayBuffer(16);
+  (new Int32Array(arrayBuf)).fill(5)
+  device.defaultQueue.writeBuffer(buffer, 0, arrayBuf, 0);
+  const texture = device.createTexture({size: [2,2,1], dimension: "2d", format: "rgba8unorm", usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC });
+  device.defaultQueue.writeTexture({ texture }, arrayBuf, { bytesPerRow:8 }, [2,2,1]);
+  // this isn't a process check, we need to read back the contents and verify the writes happened
+  ok(device !== undefined, '');
+};
+
+SimpleTest.waitForExplicitFinish();
+func().finally(() => SimpleTest.finish());
+
+</script>
+</body>
+</html>