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<!DOCTYPE html>
<meta charset="utf-8">
<title>WebGL Renderer Constant with FPP (explicit) - Renderer should be "Mozilla"</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script>
/* global SimpleTest SpecialPowers */
SimpleTest.waitForExplicitFinish();
document.addEventListener("DOMContentLoaded", async function() {
// Enable FPP with explicit -AllTargets,+WebGLRendererConstant
// This ensures only WebGLRendererConstant is active, nothing else
await SpecialPowers.pushPrefEnv({
set: [
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", "-AllTargets,+WebGLRendererConstant"],
["privacy.resistFingerprinting", false]
]
});
let canvas = document.body.appendChild(document.createElement("canvas"));
if (!canvas) {
SimpleTest.ok(false, "Cannot create canvas");
SimpleTest.finish();
return;
}
let gl = canvas.getContext("webgl");
if (!gl) {
SimpleTest.ok(false, "Cannot get WebGL context");
SimpleTest.finish();
return;
}
// Try to get the WEBGL_debug_renderer_info extension
let ext = gl.getExtension("WEBGL_debug_renderer_info");
if (!ext) {
SimpleTest.ok(false, "WEBGL_debug_renderer_info extension should be available with FPP");
SimpleTest.finish();
return;
}
// With FPP and WebGLRendererConstant enabled, the renderer should be "Mozilla"
let renderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
SimpleTest.is(renderer, "Mozilla",
"UNMASKED_RENDERER_WEBGL should be 'Mozilla' with WebGLRendererConstant enabled");
SimpleTest.finish();
});
</script>