1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/limits/gl-min-attribs.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,85 @@
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 the minimum number of attributes are supported.</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/webgl-test-utils.js"> </script>
1.18 +</head>
1.19 +<body>
1.20 +<canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></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 +attribute vec4 v0;
1.26 +attribute vec4 v1;
1.27 +attribute vec4 v2;
1.28 +attribute vec4 v3;
1.29 +attribute vec4 v4;
1.30 +attribute vec4 v5;
1.31 +attribute vec4 v6;
1.32 +varying vec4 color;
1.33 +void main()
1.34 +{
1.35 + gl_Position = vPosition;
1.36 + color = v0 + v1 + v2 + v3 + v4 + v5 + v6;
1.37 +}
1.38 +</script>
1.39 +
1.40 +<script id="fshader" type="x-shader/x-fragment">
1.41 +precision mediump float;
1.42 +varying vec4 color;
1.43 +void main()
1.44 +{
1.45 + gl_FragColor = color;
1.46 +}
1.47 +</script>
1.48 +<script>
1.49 +description(document.title);
1.50 +var wtu = WebGLTestUtils;
1.51 +var gl = wtu.create3DContext("example");
1.52 +var program = wtu.setupTexturedQuad(gl);
1.53 +
1.54 +var program = wtu.setupProgram(
1.55 + gl,
1.56 + ['vshader', 'fshader'],
1.57 + ['vPosition', 'v0', 'v1', 'v2', 'v3', 'v4', 'v5', 'v6'],
1.58 + [0, 1, 2, 3, 4, 5, 6, 7]);
1.59 +
1.60 +for (var ii = 0; ii < 7; ++ii) {
1.61 + var v = (ii + 1) / 28;
1.62 + var vertexObject = gl.createBuffer();
1.63 + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
1.64 + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
1.65 + v, v/2, v/4, v/8,
1.66 + v, v/2, v/4, v/8,
1.67 + v, v/2, v/4, v/8,
1.68 + v, v/2, v/4, v/8,
1.69 + v, v/2, v/4, v/8,
1.70 + v, v/2, v/4, v/8]), gl.STATIC_DRAW);
1.71 + gl.enableVertexAttribArray(ii + 1);
1.72 + gl.vertexAttribPointer(ii + 1, 4, gl.FLOAT, false, 0, 0);
1.73 +}
1.74 +
1.75 +wtu.drawQuad(gl);
1.76 +glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup.");
1.77 +wtu.checkCanvasRect(gl, 0, 0, gl.canvas.width, gl.canvas.height, [255, 127, 64, 32], "Should render 255,127,64,32 (+/-1)", 1);
1.78 +
1.79 +successfullyParsed = true;
1.80 +
1.81 +</script>
1.82 +</body>
1.83 +<script>finishTest();</script>
1.84 +
1.85 +</body>
1.86 +</html>
1.87 +
1.88 +
