Quelle test_backends.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/canvas/test/webgl-mochitest/test_backends.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset='UTF-8'>
  <script src='/tests/SimpleTest/SimpleTest.js'></script>
  <link rel='stylesheet' href='/tests/SimpleTest/test.css'>
</head>
<body>
<script>

function RunWithPrefs(prefPairList, func) {
  var prefEnv = {'set': prefPairList};
  try {
    SpecialPowers.pushPrefEnv(prefEnv, func);
  } catch (e) {
    console.log('Warning: Failed to set prefs: ' + JSON.stringify(prefPairList));
    func();
  }
}

////////////////////////////////////////

var ANGLE_IS_SINGLETON = true;

var expectD3DType;
try {
  // code borrowed from browser/modules/test/browser_taskbar_preview.js
  var version = SpecialPowers.Services.sysinfo.getProperty('version');
  version = parseFloat(version);

  // Version 6.0 is Vista, 6.1 is 7.
  if (version <= 6.0)
    expectD3DType = 'd3d9';
  else
    expectD3DType = 'd3d11';
} catch (e) {
  expectD3DType = 'd3d11';
}

function GetRenderer() {
  var c = document.createElement('canvas');
  var gl = c.getContext('experimental-webgl');
  if (!gl)
    return undefined;

  var ext = gl.getExtension('WEBGL_debug_renderer_info');
  if (!ext)
    throw new Error('Requires WEBGL_debug_renderer_info.');

  var renderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
  return renderer;
}

function GetRendererType() {
  var renderer = GetRenderer();
  if (renderer === undefined)
    return 'none';

  if (renderer.includes('ANGLE')) {
    if (renderer.includes('Microsoft Basic Render Driver')) // Also includes 'Direct3D11'.
      return 'warp';
    if (renderer.includes('Direct3D11'))
      return 'd3d11';
    if (renderer.includes('Direct3D9'))
      return 'd3d9';

  } else {
    return 'gl';
  }

  throw new Error('Unrecognized renderer type for: ' + renderer);
}

function TestActualType(testName, expectedType) {
  var actualType = GetRendererType();
  ok(actualType == expectedType,
     '[' + testName + '] Expected ' + expectedType + ', was ' + actualType);
}

////////////////////////////////////////

function TestDefault() {
  var expectedType = 'gl';
  var isWindows = (navigator.platform.indexOf('Win') == 0);
  if (isWindows) {
    expectedType = expectD3DType;
  }
  TestActualType('TestDefault', expectedType);

  if (isWindows && !ANGLE_IS_SINGLETON) {
    var prefPairList = [
      ['webgl.angle.force-warp', true],
    ];
    RunWithPrefs(prefPairList, TestWARP);
    return;
  }

  var prefPairList = [
    ['webgl.disabled', true],
  ];
  RunWithPrefs(prefPairList, TestDisabled);
}

function TestWARP() {
  var expectedType = (expectD3DType == 'd3d11') ? 'warp' : 'none';
  TestActualType('TestWARP', expectedType);

  var prefPairList = [
    ['webgl.angle.force-warp', false],
    ['webgl.angle.force-d3d11', true],
  ];
  RunWithPrefs(prefPairList, TestD3D11);
}

function TestD3D11() {
  var expectedType = (expectD3DType == 'd3d11') ? 'd3d11' : 'none';
  TestActualType('TestD3D11', expectedType);

  var prefPairList = [
    ['webgl.angle.force-d3d11', false],
    ['webgl.angle.try-d3d11', false],
  ];
  RunWithPrefs(prefPairList, TestD3D9);
}

function TestD3D9() {
  TestActualType('TestD3D9', 'd3d9');

  var prefPairList = [
    ['webgl.angle.try-d3d11', true],
    ['webgl.disable-angle', true],
  ];
  RunWithPrefs(prefPairList, TestWinGL);
}

function TestWinGL() {
  TestActualType('TestWinGL', 'gl');

  var prefPairList = [
    ['webgl.disabled', true],
  ];
  RunWithPrefs(prefPairList, TestDisabled);
}

function TestDisabled() {
  TestActualType('TestDisabled', 'none');

  SimpleTest.finish();
}

////////////////////////////////////////

SimpleTest.waitForExplicitFinish();

var prefPairList = [
  ['webgl.force-enabled', true],
  ['webgl.enable-debug-renderer-info', true],
];
RunWithPrefs(prefPairList, TestDefault);

</script>
</body>
</html>

Messung V0.5

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