<!DOCTYPE html><!-- webkit-test-runner [ UseGPUProcessForWebGLEnabled=true UseGPUProcessForDOMRenderingEnabled=true BlockIOKitInWebContentSandbox=true UseGPUProcessForCanvasRenderingEnabled=true UseGPUProcessForMediaEnabled=true runSingly=true ] -->
<html>
<body>
<script>
"use strict";
function runTest() {
    const canvas = document.createElement("canvas");
    document.body.appendChild(canvas);
    const gl = canvas.getContext("webgl");
    if (!gl)
        return;
    gl.clearColor(1, 1, 0, 1);
    gl.clear(gl.COLOR_BUFFER_BIT);
}
runTest();
</script>
</body>
</html>
