1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/state/gl-geterror.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,76 @@
1.4 +<!--
1.5 +Copyright (c) 2009 The Chromium Authors. All rights reserved.
1.6 +Use of this source code is governed by a BSD-style license that can be
1.7 + found in the LICENSE file.
1.8 + -->
1.9 +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
1.10 + "http://www.w3.org/TR/html4/loose.dtd">
1.11 +<html>
1.12 +<head>
1.13 +<title>WebGL get error conformance test.</title>
1.14 +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.15 +<script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
1.16 +<script src="../../resources/js-test-pre.js"></script>
1.17 +<script src="../resources/webgl-test.js"> </script>
1.18 +<script src="../resources/webgl-test-utils.js"> </script>
1.19 +</head>
1.20 +<body>
1.21 +<canvas id="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas>
1.22 +<div id="description"></div><div id="console"></div>
1.23 +<script>
1.24 +description("Test getError.");
1.25 +var wtu = WebGLTestUtils;
1.26 +var gl = wtu.create3DContext("example");
1.27 +var tex = gl.createTexture();
1.28 +gl.bindTexture(gl.TEXTURE_2D, tex);
1.29 +
1.30 +gl.enable(desktopGL.ALPHA_TEST);
1.31 +glErrorShouldBe(gl, gl.INVALID_ENUM, "should generate INVALID_ENUM");
1.32 +gl.viewport(-1, -1, -1, -1);
1.33 +glErrorShouldBe(gl, gl.INVALID_VALUE, "should generate INVALID_VALUE");
1.34 +gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
1.35 +glErrorShouldBe(gl, gl.INVALID_OPERATION, "should generate INVALID_OPERATION");
1.36 +
1.37 +// Generate 2 errors of each type for 6 total possible errors.
1.38 +// The OpenGL ES 2.0 spec section 2.5 says the implementation is allowed to
1.39 +// either return the first error or many errors in an unspecied order.
1.40 +gl.viewport(-1, -1, -1, -1);
1.41 +gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
1.42 +gl.enable(desktopGL.ALPHA_TEST);
1.43 +gl.viewport(-1, -1, -1, -1);
1.44 +gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
1.45 +// Note: This error is specifically last because we know it will be synthasized
1.46 +// by WebGL at least when implemented on top of Desktop OpenGL
1.47 +gl.enable(desktopGL.ALPHA_TEST);
1.48 +
1.49 +var err1 = gl.getError();
1.50 +var err2 = gl.getError();
1.51 +var err3 = gl.getError();
1.52 +var err4 = gl.getError();
1.53 +var err5 = gl.getError();
1.54 +var err6 = gl.getError();
1.55 +
1.56 +debug("");
1.57 +if (err2 == gl.NO_ERROR) {
1.58 + debug("This WebGL implementation looks like it uses the 'first error' method");
1.59 + debug("There should be 1 error, the first one generated");
1.60 + shouldBeTrue('err1 == gl.INVALID_VALUE && err2 == gl.NO_ERROR && err3 == gl.NO_ERROR');
1.61 +} else {
1.62 + debug("This WebGL implementation looks like it uses the many error method");
1.63 + debug("Check is that at least one of the errors is the first error");
1.64 + shouldBeTrue('err1 == gl.INVALID_VALUE || ' +
1.65 + 'err2 == gl.INVALID_VALUE || ' +
1.66 + 'err3 == gl.INVALID_VALUE || ' +
1.67 + 'err4 == gl.INVALID_VALUE || ' +
1.68 + 'err5 == gl.INVALID_VALUE || ' +
1.69 + 'err6 == gl.INVALID_VALUE');
1.70 + shouldBeTrue('gl.getError() == gl.NO_ERROR');
1.71 +}
1.72 +
1.73 +debug("");
1.74 +successfullyParsed = true;
1.75 +</script>
1.76 +<script>finishTest();</script>
1.77 +</body>
1.78 +</html>
1.79 +
