dom/canvas/test/webgl-mochitest/test_backends.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset='UTF-8'>
   5   <script src='/tests/SimpleTest/SimpleTest.js'></script>
   6   <link rel='stylesheet' href='/tests/SimpleTest/test.css'>
   7 </head>
   8 <body>
   9 <script>
  10
  11 function RunWithPrefs(prefPairList, func) {
  12   var prefEnv = {'set': prefPairList};
  13   try {
  14     SpecialPowers.pushPrefEnv(prefEnv, func);
  15   } catch (e) {
  16     console.log('Warning: Failed to set prefs: ' + JSON.stringify(prefPairList));
  17     func();
  18   }
  19 }
  20
  21 ////////////////////////////////////////
  22
  23 var ANGLE_IS_SINGLETON = true;
  24
  25 var expectD3DType;
  26 try {
  27   // code borrowed from browser/modules/test/browser_taskbar_preview.js
  28   var version = SpecialPowers.Services.sysinfo.getProperty('version');
  29   version = parseFloat(version);
  30
  31   // Version 6.0 is Vista, 6.1 is 7.
  32   if (version <= 6.0)
  33     expectD3DType = 'd3d9';
  34   else
  35     expectD3DType = 'd3d11';
  36 } catch (e) {
  37   expectD3DType = 'd3d11';
  38 }
  39
  40 function GetRenderer() {
  41   var c = document.createElement('canvas');
  42   var gl = c.getContext('experimental-webgl');
  43   if (!gl)
  44     return undefined;
  45
  46   var ext = gl.getExtension('WEBGL_debug_renderer_info');
  47   if (!ext)
  48     throw new Error('Requires WEBGL_debug_renderer_info.');
  49
  50   var renderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
  51   return renderer;
  52 }
  53
  54 function GetRendererType() {
  55   var renderer = GetRenderer();
  56   if (renderer === undefined)
  57     return 'none';
  58
  59   if (renderer.includes('ANGLE')) {
  60     if (renderer.includes('Microsoft Basic Render Driver')) // Also includes 'Direct3D11'.
  61       return 'warp';
  62     if (renderer.includes('Direct3D11'))
  63       return 'd3d11';
  64     if (renderer.includes('Direct3D9'))
  65       return 'd3d9';
  66
  67   } else {
  68     return 'gl';
  69   }
  70
  71   throw new Error('Unrecognized renderer type for: ' + renderer);
  72 }
  73
  74 function TestActualType(testName, expectedType) {
  75   var actualType = GetRendererType();
  76   ok(actualType == expectedType,
  77      '[' + testName + '] Expected ' + expectedType + ', was ' + actualType);
  78 }
  79
  80 ////////////////////////////////////////
  81
  82 function TestDefault() {
  83   var expectedType = 'gl';
  84   var isWindows = (navigator.platform.indexOf('Win') == 0);
  85   if (isWindows) {
  86     expectedType = expectD3DType;
  87   }
  88   TestActualType('TestDefault', expectedType);
  89
  90   if (isWindows && !ANGLE_IS_SINGLETON) {
  91     var prefPairList = [
  92       ['webgl.angle.force-warp', true],
  93     ];
  94     RunWithPrefs(prefPairList, TestWARP);
  95     return;
  96   }
  97
  98   var prefPairList = [
  99     ['webgl.disabled', true],
 100   ];
 101   RunWithPrefs(prefPairList, TestDisabled);
 102 }
 103
 104
 105 function TestWARP() {
 106   var expectedType = (expectD3DType == 'd3d11') ? 'warp' : 'none';
 107   TestActualType('TestWARP', expectedType);
 108
 109   var prefPairList = [
 110     ['webgl.angle.force-warp', false],
 111     ['webgl.angle.force-d3d11', true],
 112   ];
 113   RunWithPrefs(prefPairList, TestD3D11);
 114 }
 115
 116
 117 function TestD3D11() {
 118   var expectedType = (expectD3DType == 'd3d11') ? 'd3d11' : 'none';
 119   TestActualType('TestD3D11', expectedType);
 120
 121   var prefPairList = [
 122     ['webgl.angle.force-d3d11', false],
 123     ['webgl.angle.try-d3d11', false],
 124   ];
 125   RunWithPrefs(prefPairList, TestD3D9);
 126 }
 127
 128
 129 function TestD3D9() {
 130   TestActualType('TestD3D9', 'd3d9');
 131
 132   var prefPairList = [
 133     ['webgl.angle.try-d3d11', true],
 134     ['webgl.disable-angle', true],
 135   ];
 136   RunWithPrefs(prefPairList, TestWinGL);
 137 }
 138
 139
 140 function TestWinGL() {
 141   TestActualType('TestWinGL', 'gl');
 142
 143   var prefPairList = [
 144     ['webgl.disabled', true],
 145   ];
 146   RunWithPrefs(prefPairList, TestDisabled);
 147 }
 148
 149
 150 function TestDisabled() {
 151   TestActualType('TestDisabled', 'none');
 152
 153   SimpleTest.finish();
 154 }
 155
 156 ////////////////////////////////////////
 157
 158 SimpleTest.waitForExplicitFinish();
 159
 160 var prefPairList = [
 161   ['webgl.force-enabled', true],
 162   ['webgl.enable-debug-renderer-info', true],
 163 ];
 164 RunWithPrefs(prefPairList, TestDefault);
 165
 166 </script>
 167 </body>
 168 </html>