1 files changed, 98 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.filter.copy.no-shadow.no-transform-expected.html b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.filter.copy.no-shadow.no-transform-expected.html
new file mode 100644
index 0000000000..21aa241aca
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.filter.copy.no-shadow.no-transform-expected.html
@@ -0,0 +1,98 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
+<title>Canvas test: 2d.layer.global-states.filter.copy.no-shadow.no-transform</title>
+<h1 style="font-size: 20px;">2d.layer.global-states.filter.copy.no-shadow.no-transform</h1>
+<p class="desc">Checks that layers with filters 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 = document.getElementById("canvas0");
+    const ctx = canvas.getContext('2d');
+
+    const svg = `
+      <svg xmlns="http://www.w3.org/2000/svg"
+            width="90" height="90"
+            color-interpolation-filters="sRGB">
+        <filter id="filter" x="-100%" y="-100%" width="300%" height="300%">
+          <feDropShadow dx="5" dy="5" stdDeviation="0" flood-color="#00f" />
+          <feComponentTransfer>
+            <feFuncA type="table" tableValues="0 0.8"></feFuncA>
+          </feComponentTransfer>
+        </filter>
+        <g filter="url(#filter)">
+          <rect x="10" y="25" width="40" height="50" fill="rgba(255, 0, 0, 1)"/>
+          <rect x="30" y="5" width="50" height="40" fill="rgba(0, 255, 0, 1)"/>
+        </g>
+      </svg>`;
+
+    const img = new Image();
+    img.width = 90;
+    img.height = 90;
+    img.onload = () => {
+      // No transform.
+
+      ctx.fillStyle = 'rgba(128, 128, 128, 1)';
+      ctx.fillRect(20, 15, 50, 50);
+
+      // No globalAlpha.
+      ctx.globalCompositeOperation = 'copy';
+      // No shadow.
+
+      ctx.drawImage(img, 0, 0);
+    };
+    img.src = 'data:image/svg+xml;base64,' + btoa(svg);
+  </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 = document.getElementById("canvas1");
+    const ctx = canvas.getContext('2d');
+
+    const svg = `
+      <svg xmlns="http://www.w3.org/2000/svg"
+            width="90" height="90"
+            color-interpolation-filters="sRGB">
+        <filter id="filter" x="-100%" y="-100%" width="300%" height="300%">
+          <feDropShadow dx="5" dy="5" stdDeviation="0" flood-color="#00f" />
+          <feComponentTransfer>
+            <feFuncA type="table" tableValues="0 0.8"></feFuncA>
+          </feComponentTransfer>
+        </filter>
+        <g filter="url(#filter)">
+          <rect x="10" y="25" width="40" height="50" fill="rgba(255, 0, 0, 1)"/>
+          <rect x="30" y="5" width="50" height="40" fill="rgba(0, 255, 0, 1)"/>
+        </g>
+      </svg>`;
+
+    const img = new Image();
+    img.width = 90;
+    img.height = 90;
+    img.onload = () => {
+      // No transform.
+
+      ctx.fillStyle = 'rgba(128, 128, 128, 1)';
+      ctx.fillRect(20, 15, 50, 50);
+
+      ctx.globalAlpha = 0.75;
+      ctx.globalCompositeOperation = 'copy';
+      // No shadow.
+
+      ctx.drawImage(img, 0, 0);
+    };
+    img.src = 'data:image/svg+xml;base64,' + btoa(svg);
+  </script>
+</span>
+
+</div>