1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/rendering/gl-drawelements.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,98 @@
1.4 +<!--
1.5 +Copyright (c) 2011 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>
1.10 +<html>
1.11 + <head>
1.12 +<meta charset="utf-8">
1.13 + <title>WebGL drawElements Test</title>
1.14 + <link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.15 + <script src="../../resources/js-test-pre.js"></script>
1.16 + <script src="../resources/webgl-test.js"> </script>
1.17 + <script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
1.18 +</head>
1.19 +<body>
1.20 +<canvas id="example" width="50" height="50"></canvas>
1.21 +<div id="description"></div>
1.22 +<div id="console"></div>
1.23 + <script id="vshader" type="x-shader/x-vertex">
1.24 + attribute vec4 vPosition;
1.25 + void main()
1.26 + {
1.27 + gl_Position = vPosition;
1.28 + }
1.29 + </script>
1.30 +
1.31 + <script id="fshader" type="x-shader/x-fragment">
1.32 + void main()
1.33 + {
1.34 + gl_FragColor = vec4(1.0,0.0,0.0,1.0);
1.35 + }
1.36 + </script>
1.37 +
1.38 + <script>
1.39 + function init()
1.40 + {
1.41 + if (window.initNonKhronosFramework) {
1.42 + window.initNonKhronosFramework(false);
1.43 + }
1.44 +
1.45 + description(document.title);
1.46 +
1.47 + function checkDrawElements(mode, count, type, expect, msg) {
1.48 + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
1.49 + gl.drawElements(mode, count, type, 0);
1.50 + glErrorShouldBe(gl, expect, msg);
1.51 + }
1.52 +
1.53 + gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
1.54 +
1.55 + var vertexObject = gl.createBuffer();
1.56 + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
1.57 + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);
1.58 + gl.enableVertexAttribArray(0);
1.59 + gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
1.60 +
1.61 + var vertexObject = gl.createBuffer();
1.62 + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject);
1.63 + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array([ 0, 1, 2]), gl.STATIC_DRAW);
1.64 +
1.65 + checkDrawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT,
1.66 + gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_SHORT");
1.67 +
1.68 + var vertexObject = gl.createBuffer();
1.69 + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject);
1.70 + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2, 0]), gl.STATIC_DRAW);
1.71 +
1.72 + checkDrawElements(
1.73 + gl.TRIANGLES, 3, gl.UNSIGNED_BYTE,
1.74 + gl.NO_ERROR, "can call gl.DrawElements with UNSIGNED_BYTE");
1.75 + checkDrawElements(
1.76 + desktopGL['QUAD_STRIP'], 4, gl.UNSIGNED_BYTE,
1.77 + gl.INVALID_ENUM, "gl.DrawElements with QUAD_STRIP should return INVALID_ENUM");
1.78 + checkDrawElements(
1.79 + desktopGL['QUADS'], 4, gl.UNSIGNED_BYTE,
1.80 + gl.INVALID_ENUM, "gl.DrawElements with QUADS should return INVALID_ENUM");
1.81 + checkDrawElements(
1.82 + desktopGL['POLYGON'], 4, gl.UNSIGNED_BYTE,
1.83 + gl.INVALID_ENUM, "gl.DrawElements with POLYGON should return INVALID_ENUM");
1.84 +
1.85 + var vertexObject = gl.createBuffer();
1.86 + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, vertexObject);
1.87 + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint32Array([ 0, 1, 2]), gl.STATIC_DRAW);
1.88 +
1.89 + checkDrawElements(
1.90 + gl.TRIANGLES, 3, gl.UNSIGNED_INT,
1.91 + gl.INVALID_ENUM, "gl.DrawElements should return INVALID_ENUM with UNSIGNED_INT");
1.92 +
1.93 + }
1.94 +
1.95 + init();
1.96 + successfullyParsed = true;
1.97 + </script>
1.98 +<script>finishTest();</script>
1.99 +
1.100 +</body>
1.101 +</html>
