1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/glsl/matrices/glsl-mat4-to-mat3.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,70 @@
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>GLSL mat4 to mat3 test</title>
1.14 + <link rel="stylesheet" href="../../../resources/js-test-style.css"/>
1.15 + <link rel="stylesheet" href="../../resources/glsl-feature-tests.css"/>
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 + <script src="../../resources/glsl-generator.js"> </script>
1.20 +</head>
1.21 +<body>
1.22 +<div id="description"></div>
1.23 +<div id="console"></div>
1.24 +<script id="shader_emu" type="something-not-js">
1.25 +mat3 mat3_emu(mat4 m4) {
1.26 + return mat3(
1.27 + m4[0][0], m4[0][1], m4[0][2],
1.28 + m4[1][0], m4[1][1], m4[1][2],
1.29 + m4[2][0], m4[2][1], m4[2][2]);
1.30 +}
1.31 +</script>
1.32 +<script id="shader_test" type="something-not-js">
1.33 + mat4 m4 = mat4($(input), $(input).yzwx, $(input).zwxy, $(input).wxyz);
1.34 + mat3 m3 = $(conversion)(m4);
1.35 + vec3 c;
1.36 + if ($(input).y < 0.33) {
1.37 + c = m3[0];
1.38 + } else if ($(input).y > 0.66) {
1.39 + c = m3[1];
1.40 + } else {
1.41 + c = m3[2];
1.42 + }
1.43 + $(output) = vec4(c, 1);
1.44 +</script>
1.45 +<script>
1.46 +// See resources glsl-generator runBasicTest for how this works
1.47 +var wtu = WebGLTestUtils;
1.48 +GLSLGenerator.runBasicTest({
1.49 + gridRes: 8,
1.50 + tests: [
1.51 + {
1.52 + name: "mat4 to mat3",
1.53 + reference: {
1.54 + shader: wtu.getScript("shader_test"),
1.55 + subs: {
1.56 + emu: wtu.getScript("shader_emu"),
1.57 + conversion: "mat3_emu"
1.58 + }
1.59 + },
1.60 + test: {
1.61 + shader: wtu.getScript("shader_test"),
1.62 + subs: {
1.63 + conversion: "mat3"
1.64 + },
1.65 + }
1.66 + }
1.67 + ]
1.68 +});
1.69 +successfullyParsed = true;
1.70 +</script>
1.71 +</body>
1.72 +</html>
1.73 +
