1 files changed, 91 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.copy.shadow.no-transform.html b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.copy.shadow.no-transform.html
new file mode 100644
index 0000000000..42231fa61e
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.copy.shadow.no-transform.html
@@ -0,0 +1,91 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<link rel="match" href="2d.layer.global-states.copy.shadow.no-transform-expected.html">
+<title>Canvas test: 2d.layer.global-states.copy.shadow.no-transform</title>
+<h1 style="font-size: 20px;">2d.layer.global-states.copy.shadow.no-transform</h1>
+<p class="desc">Checks that layers correctly use global render states.</p>
+
+<div style="display: grid; grid-gap: 4px;
+            grid-template-columns: repeat(2, max-content);
+            font-size: 13px; text-align: center;">
+<span>
+  <div>no-globalAlpha</div>
+  <canvas id="canvas0" width="90" height="90" style="outline: 1px solid">
+    <p class="fallback">FAIL (fallback content)</p>
+  </canvas>
+  <script type="module">
+    const canvas = new OffscreenCanvas(90, 90);
+    const ctx = canvas.getContext('2d');
+
+    // No transform.
+
+    ctx.fillStyle = 'rgba(128, 128, 128, 1)';
+    ctx.fillRect(20, 15, 50, 50);
+
+    // No globalAlpha.
+    ctx.globalCompositeOperation = 'copy';
+    ctx.shadowOffsetX = -7;
+    ctx.shadowOffsetY = 7;
+    ctx.shadowColor = 'rgba(255, 165, 0, 0.5)';
+    ctx.shadowBlur = 3;
+
+    ctx.beginLayer();
+
+    // Enable compositing in the layer to validate that draw calls in the layer
+    // won't individually composite with the background.
+    ctx.globalCompositeOperation = 'screen';
+
+    ctx.fillStyle = 'rgba(255, 0, 0, 1)';
+    ctx.fillRect(10, 25, 40, 50);
+    ctx.fillStyle = 'rgba(0, 255, 0, 1)';
+    ctx.fillRect(30, 5, 50, 40);
+
+    ctx.endLayer();
+
+    const outputCanvas = document.getElementById("canvas0");
+    const outputCtx = outputCanvas.getContext('2d');
+    outputCtx.drawImage(canvas, 0, 0);
+  </script>
+</span>
+
+<span>
+  <div>globalAlpha</div>
+  <canvas id="canvas1" width="90" height="90" style="outline: 1px solid">
+    <p class="fallback">FAIL (fallback content)</p>
+  </canvas>
+  <script type="module">
+    const canvas = new OffscreenCanvas(90, 90);
+    const ctx = canvas.getContext('2d');
+
+    // No transform.
+
+    ctx.fillStyle = 'rgba(128, 128, 128, 1)';
+    ctx.fillRect(20, 15, 50, 50);
+
+    ctx.globalAlpha = 0.75;
+    ctx.globalCompositeOperation = 'copy';
+    ctx.shadowOffsetX = -7;
+    ctx.shadowOffsetY = 7;
+    ctx.shadowColor = 'rgba(255, 165, 0, 0.5)';
+    ctx.shadowBlur = 3;
+
+    ctx.beginLayer();
+
+    // Enable compositing in the layer to validate that draw calls in the layer
+    // won't individually composite with the background.
+    ctx.globalCompositeOperation = 'screen';
+
+    ctx.fillStyle = 'rgba(255, 0, 0, 1)';
+    ctx.fillRect(10, 25, 40, 50);
+    ctx.fillStyle = 'rgba(0, 255, 0, 1)';
+    ctx.fillRect(30, 5, 50, 40);
+
+    ctx.endLayer();
+
+    const outputCanvas = document.getElementById("canvas1");
+    const outputCtx = outputCanvas.getContext('2d');
+    outputCtx.drawImage(canvas, 0, 0);
+  </script>
+</span>
+
+</div>