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fcf3b03 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | <!doctype html>
<html style='height: 100%;'>
<head>
<link href='https://www.mapbox.com/base/latest/base.css' rel='stylesheet' />
<style>
body {
display:flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
h2 {
margin-top: 50px;
margin-bottom: 10px;
}
#table, #map, #map-log, #diagnostics-log {
width: 960px;
margin: 10px 0;
}
#map {
height: 100px;
}
#canvas {
height: 0;
}
th code {
font-weight: bold;
}
</style>
</head>
<body class='fill-gray'>
<h2>Map instantiation diagnostics</h2>
<div id="map"></div>
<code id="map-log"></code>
<script src='https://api.mapbox.com/mapbox-gl-js/v0.34.0/mapbox-gl.js'></script>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoibHVjYXN3b2oiLCJhIjoiY2l5Nmg4cWU1MDA0ejMzcDJtNHJmZzJkcyJ9.WhcEdTYQH6sSw2pm0RSP9Q';
try {
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v9',
zoom: 1
});
map.on('error', function(event) {
writeLogMessage(event.error.toString());
});
writeLogMessage('WebGL context:', map.painter.gl);
writeLogMessage('WebGL errors:', map.painter.gl.getError());
} catch (e) {
writeLogMessage('Caught exception:', e.stack || e.toString());
}
writeLogMessage('Done!');
function writeLogMessage() {
document.getElementById('map-log').innerHTML += Array.prototype.join.call(arguments, ' ') + '\n';
}
</script>
<h2>Support detection diagnostics</h2>
<canvas id="canvas"></canvas>
<table id='table'>
<tr>
<th>Detection method</th>
<th>Context type</th>
<th><code>failIfMajorPerformanceCaveat</code></th>
<th>Result</th>
<th>Errors</th>
</tr>
</table>
<script src='index.js'></script>
<script>
function performTest(detectionMethod, contextType, failIfMajorPerformanceCaveat) {
var attributes = Object.create(mapboxgl.supported.webGLContextAttributes);
attributes.failIfMajorPerformanceCaveat = failIfMajorPerformanceCaveat;
var canvas = document.getElementById('canvas');
if (canvas[detectionMethod]) {
var results = '<code>' + canvas[detectionMethod](contextType, attributes) + '</code>';
writeTestResults(results, results && results.getError && results.getError());
} else {
writeTestResults('detection method unavailable');
}
function writeTestResults(result, error) {
var tr = document.createElement('tr');
var detectionMethodTd = document.createElement('td');
detectionMethodTd.innerHTML = detectionMethod;
tr.appendChild(detectionMethodTd);
var contextTypeTd = document.createElement('td');
contextTypeTd.innerHTML = contextType;
tr.appendChild(contextTypeTd);
var failIfMajorPerformanceCaveatTd = document.createElement('td');
failIfMajorPerformanceCaveatTd.innerHTML = failIfMajorPerformanceCaveat;
tr.appendChild(failIfMajorPerformanceCaveatTd);
var resultTd = document.createElement('td');
resultTd.innerHTML = result;
tr.appendChild(resultTd);
var errorTd = document.createElement('td');
errorTd.innerHTML = error || 'none';
tr.appendChild(errorTd);
document.getElementById('table').appendChild(tr);
}
}
performTest('probablySupportsContext', 'webgl', true);
performTest('probablySupportsContext', 'webgl', false);
performTest('probablySupportsContext', 'experimental-webgl', true);
performTest('probablySupportsContext', 'experimental-webgl', false);
performTest('supportsContext', 'webgl', true);
performTest('supportsContext', 'webgl', false);
performTest('supportsContext', 'experimental-webgl', true);
performTest('supportsContext', 'experimental-webgl', false);
performTest('getContext', 'webgl', true);
performTest('getContext', 'webgl', false);
performTest('getContext', 'experimental-webgl', true);
performTest('getContext', 'experimental-webgl', false);
</script>
<h2>WebGL diagnostics</h2>
<script src="https://cdn.rawgit.com/ashima/webgl-diagnostic/3cc7b376/js/webgldiagdata.js"></script>
<script src="https://cdn.rawgit.com/ashima/webgl-diagnostic/3cc7b376/js/webgldiagnostic.js"></script>
<code id="diagnostics-log"></code>
<script>
var diagnosticsLogElement = document.getElementById('diagnostics-log');
diagnosticsLogElement.innerHTML = WebGLDiagnostic.report('canvas');
var canvasElement = document.getElementById('canvas');
var gl = canvasElement.getContext('webgl') || canvasElement.getContext('experimental-webgl');
var glDebugRendererInfo = gl.getExtension('WEBGL_debug_renderer_info');
diagnosticsLogElement.innerHTML += '\n';
if (glDebugRendererInfo) {
diagnosticsLogElement.innerHTML += 'Unmasked vendor: ' + gl.getParameter(glDebugRendererInfo.UNMASKED_VENDOR_WEBGL) + '\n';
diagnosticsLogElement.innerHTML += 'Unmasked renderer: ' + gl.getParameter(glDebugRendererInfo.UNMASKED_RENDERER_WEBGL) + '\n';
} else {
diagnosticsLogElement.innerHTML += '"WEBGL_debug_renderer_info" extension unavailable'
}
</script>
</body>
</html>
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