1 files changed, 58 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.filter.composite.shadow.w.html b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.filter.composite.shadow.w.html
new file mode 100644
index 0000000000..894089d88e
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.filter.composite.shadow.w.html
@@ -0,0 +1,58 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<html class="reftest-wait">
+<link rel="match" href="2d.layer.global-states.filter.composite.shadow-expected.html">
+<title>Canvas test: 2d.layer.global-states.filter.composite.shadow</title>
+<h1>2d.layer.global-states.filter.composite.shadow</h1>
+<p class="desc">Checks that layers with filters correctly use global render states.</p>
+<canvas id="canvas" width="200" height="200">
+  <p class="fallback">FAIL (fallback content)</p>
+</canvas>
+<script id='myWorker' type='text/worker'>
+  self.onmessage = function(e) {
+    const canvas = new OffscreenCanvas(200, 200);
+    const ctx = canvas.getContext('2d');
+
+    ctx.fillStyle = 'rgba(0, 0, 255, 1)';
+
+    var circle = new Path2D();
+    circle.arc(90, 90, 45, 0, 2 * Math.PI);
+    ctx.fill(circle);
+
+    ctx.globalCompositeOperation = 'source-in';
+    ctx.shadowOffsetX = -10;
+    ctx.shadowOffsetY = 10;
+    ctx.shadowColor = 'rgba(255, 165, 0, 0.5)';
+    ctx.shadowBlur = 3;
+
+    ctx.beginLayer({filter: [
+        {name: 'colorMatrix', values: [0.393, 0.769, 0.189, 0, 0,
+                                       0.349, 0.686, 0.168, 0, 0,
+                                       0.272, 0.534, 0.131, 0, 0,
+                                       0, 0, 0, 1, 0]},
+        {name: 'componentTransfer',
+            funcA: {type: "table", tableValues: [0, 0.7]}},
+        {name: 'dropShadow', dx: 5, dy: 5, floodColor: '#81e'}]});
+
+    ctx.fillStyle = 'rgba(200, 0, 0, 1)';
+    ctx.fillRect(50, 50, 75, 50);
+    ctx.fillStyle = 'rgba(0, 200, 0, 1)';
+    ctx.fillRect(70, 70, 75, 50);
+
+    ctx.endLayer();
+
+    const bitmap = canvas.transferToImageBitmap();
+    self.postMessage(bitmap, bitmap);
+  };
+</script>
+<script>
+  const blob = new Blob([document.getElementById('myWorker').textContent]);
+  const worker = new Worker(URL.createObjectURL(blob));
+  worker.addEventListener('message', msg => {
+    const outputCtx = document.getElementById("canvas").getContext('2d');
+    outputCtx.drawImage(msg.data, 0, 0);
+    document.documentElement.classList.remove("reftest-wait");
+  });
+  worker.postMessage(null);
+</script>
+</html>