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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/reftest/webgl-disable-test.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/reftest/webgl-disable-test.html | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/dom/canvas/test/reftest/webgl-disable-test.html b/dom/canvas/test/reftest/webgl-disable-test.html new file mode 100644 index 0000000000..30581ec255 --- /dev/null +++ b/dom/canvas/test/reftest/webgl-disable-test.html @@ -0,0 +1,60 @@ +<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<meta charset="UTF-8">
+
+<script type="text/javascript" src="webgl-utils.js"></script>
+<script type="text/javascript">
+/* Disable Test
+ *
+ * If we succeed in getting a WebGL context, we will fill
+ * the canvas with red. If we fail to acquire a WebGL context,
+ * we will use Canvas2D to instead fill it with green.
+ *
+ * Note that this test differs from the others in that
+ * it will draw differently if it receives a WebGL context.
+ * Other tests are designed to fallback silently to Canvas2D.
+ *
+ * We use this test to assure that when we disable WebGL,
+ * WebGL does not function. This is trivially true for systems
+ * that don't support WebGL. This test is not viable for testing
+ * that WebGL works, as blocklisted systems will always draw green.
+ */
+
+"use strict";
+
+function renderGL(gl) {
+ gl.clearColor(1.0, 0.0, 0.0, 1.0);
+ gl.clear(gl.COLOR_BUFFER_BIT);
+ gl.finish();
+}
+
+function renderBackup(canvas) {
+ var context = canvas.getContext("2d");
+ context.fillStyle = "rgba(0, 255, 0, 1.0)";
+ context.fillRect(0, 0, 256, 256);
+}
+
+function runTest() {
+ var canvas = document.getElementById("canvas");
+ var gl = initGL(canvas);
+
+ if (gl)
+ renderGL(gl);
+ else
+ renderBackup(canvas);
+
+ waitForComposite(testComplete);
+}
+
+function testComplete() {
+ document.documentElement.removeAttribute("class");
+}
+</script>
+</head>
+
+<body onload="rAF(runTest);">
+ <canvas id="canvas" width="256" height="256"></canvas>
+</body>
+
+</html>
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