1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/reftest/webgl-hanging-fb-test.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,58 @@
1.4 +<!DOCTYPE html>
1.5 +<html class="reftest-wait">
1.6 +<head>
1.7 +<meta charset="UTF-8">
1.8 +
1.9 +<script type="text/javascript" src="webgl-utils.js"></script>
1.10 +<script type="text/javascript">
1.11 +/* Hanging Framebuffer Test
1.12 + *
1.13 + * Clear the canvas to green, but create and bind a new framebuffer
1.14 + * before returning. This will fail if we blindly read from the bound
1.15 + * framebuffer, instead of binding to the screen and reading from that.
1.16 + *
1.17 + * How failure looks isn't well defined, since this is an empty framebuffer,
1.18 + * thus is incomplete, and should cause errors if it's read from.
1.19 + */
1.20 +
1.21 +"use strict";
1.22 +
1.23 +function renderGL(gl) {
1.24 + gl.clearColor(0.0, 1.0, 0.0, 1.0);
1.25 + gl.clear(gl.COLOR_BUFFER_BIT);
1.26 +
1.27 + var fb = gl.createFramebuffer();
1.28 + gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
1.29 +
1.30 + gl.finish();
1.31 +}
1.32 +
1.33 +function renderFailure(canvas) {
1.34 + // This will also trigger RAF for us.
1.35 + var context = canvas.getContext("2d");
1.36 + context.fillText('WebGL failed.', 64, 64);
1.37 +}
1.38 +
1.39 +function runTest() {
1.40 + var canvas = document.getElementById("canvas");
1.41 + var gl = initGL(canvas);
1.42 +
1.43 + if (gl)
1.44 + renderGL(gl);
1.45 + else
1.46 + renderFailure(canvas);
1.47 +
1.48 + waitForComposite(testComplete);
1.49 +}
1.50 +
1.51 +function testComplete() {
1.52 + document.documentElement.removeAttribute("class");
1.53 +}
1.54 +</script>
1.55 +</head>
1.56 +
1.57 +<body onload="rAF(runTest);">
1.58 + <canvas id="canvas" width="256" height="256"></canvas>
1.59 +</body>
1.60 +
1.61 +</html>
