1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,97 @@
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 WebGL_debug_shaders Conformance Tests</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 +<div id="description"></div>
1.22 +<canvas id="canvas" style="width: 1px; height: 1px;"> </canvas>
1.23 +<div id="console"></div>
1.24 +<!-- Shaders for testing standard derivatives -->
1.25 +
1.26 +<script>
1.27 +description("This test verifies the functionality of the WEBGL_debug_shaders extension, if it is available.");
1.28 +
1.29 +debug("");
1.30 +
1.31 +var wtu = WebGLTestUtils;
1.32 +var gl = wtu.create3DContext("canvas");
1.33 +var ext = null;
1.34 +var shader = null;
1.35 +
1.36 +if (!gl) {
1.37 + testFailed("WebGL context does not exist");
1.38 +} else {
1.39 + testPassed("WebGL context exists");
1.40 +
1.41 + // Query the extension and store globally so shouldBe can access it
1.42 + ext = gl.getExtension("WEBGL_debug_shaders");
1.43 + if (!ext) {
1.44 + testPassed("No WEBGL_debug_shaders support -- this is legal");
1.45 +
1.46 + runSupportedTest(false);
1.47 + } else {
1.48 + testPassed("Successfully enabled WEBGL_debug_shaders extension");
1.49 +
1.50 + runSupportedTest(true);
1.51 + runTestEnabled();
1.52 + }
1.53 +}
1.54 +
1.55 +function runSupportedTest(extensionEnabled) {
1.56 + var supported = gl.getSupportedExtensions();
1.57 + if (supported.indexOf("WEBGL_debug_shaders") >= 0) {
1.58 + if (extensionEnabled) {
1.59 + testPassed("WEBGL_debug_shaders listed as supported and getExtension succeeded");
1.60 + } else {
1.61 + testFailed("WEBGL_debug_shaders listed as supported but getExtension failed");
1.62 + }
1.63 + } else {
1.64 + if (extensionEnabled) {
1.65 + testFailed("WEBGL_debug_shaders not listed as supported but getExtension succeeded");
1.66 + } else {
1.67 + testPassed("WEBGL_debug_shaders not listed as supported and getExtension failed -- this is legal");
1.68 + }
1.69 + }
1.70 +}
1.71 +
1.72 +function runTestEnabled() {
1.73 + debug("Testing function with extension enabled");
1.74 +
1.75 + var source = "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }";
1.76 +
1.77 + shader = gl.createShader(gl.FRAGMENT_SHADER);
1.78 +
1.79 + // if no source has been defined or compileShader() has not been called,
1.80 + // getTranslatedShaderSource() should return an empty string.
1.81 + shouldBe("ext.getTranslatedShaderSource(shader)", '""');
1.82 + gl.shaderSource(shader, source);
1.83 + shouldBe("ext.getTranslatedShaderSource(shader)", '""');
1.84 + gl.compileShader(shader);
1.85 + shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)");
1.86 + var translatedSource = ext.getTranslatedShaderSource(shader);
1.87 + glErrorShouldBe(gl, gl.NO_ERROR, "No gl error should occur");
1.88 + if (translatedSource.length > 0)
1.89 + testPassed("Successfully called getTranslatedShaderSource()");
1.90 + else
1.91 + testFailed("Calling getTranslatedShaderSource() failed");
1.92 +}
1.93 +
1.94 +debug("");
1.95 +successfullyParsed = true;
1.96 +</script>
1.97 +<script>finishTest();</script>
1.98 +
1.99 +</body>
1.100 +</html>
