The Tor Browser / file comparison
comparison: content/canvas/test/webgl-mochitest/driver-info.js
content/canvas/test/webgl-mochitest/driver-info.js
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
equal
deleted
inserted
replaced
| -1:000000000000 | 0:142aa3124bf4 |
|---|---|
| 1 DriverInfo = (function() { | |
| 2 // --------------------------------------------------------------------------- | |
| 3 // Debug info handling | |
| 4 | |
| 5 function defaultInfoFunc(str) { | |
| 6 console.log('Info: ' + str); | |
| 7 } | |
| 8 | |
| 9 var gInfoFunc = defaultInfoFunc; | |
| 10 function setInfoFunc(func) { | |
| 11 gInfoFunc = func; | |
| 12 } | |
| 13 | |
| 14 function info(str) { | |
| 15 gInfoFunc(str); | |
| 16 } | |
| 17 | |
| 18 // --------------------------------------------------------------------------- | |
| 19 // OS and driver identification | |
| 20 // Stolen from content/canvas/test/webgl/test_webgl_conformance_test_suite.html | |
| 21 function detectDriverInfo() { | |
| 22 try { | |
| 23 var cc = SpecialPowers.Cc; | |
| 24 } catch (e) { | |
| 25 throw 'No SpecialPowers!'; | |
| 26 } | |
| 27 | |
| 28 const Cc = SpecialPowers.Cc; | |
| 29 const Ci = SpecialPowers.Ci; | |
| 30 var doc = Cc["@mozilla.org/xmlextras/domparser;1"].createInstance(Ci.nsIDOMParser).parseFromString("<html/>", "text/html"); | |
| 31 | |
| 32 var canvas = doc.createElement("canvas"); | |
| 33 canvas.width = 1; | |
| 34 canvas.height = 1; | |
| 35 | |
| 36 var type = ""; | |
| 37 var gl = null; | |
| 38 try { | |
| 39 gl = canvas.getContext("experimental-webgl"); | |
| 40 } catch(e) {} | |
| 41 | |
| 42 if (!gl) { | |
| 43 info('Failed to create WebGL context for querying driver info.'); | |
| 44 throw 'WebGL failed'; | |
| 45 } | |
| 46 | |
| 47 var ext = gl.getExtension("WEBGL_debug_renderer_info"); | |
| 48 // this extension is unconditionally available to chrome. No need to check. | |
| 49 | |
| 50 var webglRenderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL); | |
| 51 var webglVendor = gl.getParameter(ext.UNMASKED_VENDOR_WEBGL); | |
| 52 return [webglVendor, webglRenderer]; | |
| 53 } | |
| 54 | |
| 55 function detectOSInfo() { | |
| 56 try { | |
| 57 var cc = SpecialPowers.Cc; | |
| 58 } catch (e) { | |
| 59 throw 'No SpecialPowers!'; | |
| 60 } | |
| 61 | |
| 62 const Cc = SpecialPowers.Cc; | |
| 63 const Ci = SpecialPowers.Ci; | |
| 64 | |
| 65 // From reftest.js: | |
| 66 var runtime = Cc['@mozilla.org/xre/app-info;1'].getService(Ci.nsIXULRuntime); | |
| 67 | |
| 68 var os = null; | |
| 69 var version = null; | |
| 70 if (navigator.platform.indexOf('Win') == 0) { | |
| 71 os = OS.WINDOWS; | |
| 72 | |
| 73 // code borrowed from browser/modules/test/browser_taskbar_preview.js | |
| 74 version = SpecialPowers.Services.sysinfo.getProperty('version'); | |
| 75 version = parseFloat(version); | |
| 76 // Version 6.0 is Vista, 6.1 is 7. | |
| 77 | |
| 78 } else if (navigator.platform.indexOf('Mac') == 0) { | |
| 79 os = OS.MAC; | |
| 80 | |
| 81 var versionMatch = /Mac OS X (\d+.\d+)/.exec(navigator.userAgent); | |
| 82 version = versionMatch ? parseFloat(versionMatch[1]) : null; | |
| 83 | |
| 84 } else if (runtime.widgetToolkit == 'gonk') { | |
| 85 os = OS.B2G; | |
| 86 | |
| 87 } else if (navigator.appVersion.indexOf('Android') != -1) { | |
| 88 os = OS.ANDROID; | |
| 89 // From layout/tools/reftest/reftest.js: | |
| 90 version = SpecialPowers.Services.sysinfo.getProperty('version'); | |
| 91 | |
| 92 } else if (navigator.platform.indexOf('Linux') == 0) { | |
| 93 // Must be checked after android, as android also has a 'Linux' platform string. | |
| 94 os = OS.LINUX; | |
| 95 } | |
| 96 | |
| 97 return [os, version]; | |
| 98 } | |
| 99 | |
| 100 var OS = { | |
| 101 WINDOWS: 'windows', | |
| 102 MAC: 'mac', | |
| 103 LINUX: 'linux', | |
| 104 ANDROID: 'android', | |
| 105 B2G: 'b2g', | |
| 106 }; | |
| 107 | |
| 108 var DRIVER = { | |
| 109 MESA: 'mesa', | |
| 110 NVIDIA: 'nvidia', | |
| 111 ANDROID_X86_EMULATOR: 'android x86 emulator', | |
| 112 ANGLE: 'angle', | |
| 113 }; | |
| 114 | |
| 115 var kOS = null; | |
| 116 var kOSVersion = null; | |
| 117 var kDriver = null; | |
| 118 | |
| 119 try { | |
| 120 [kOS, kOSVersion] = detectOSInfo(); | |
| 121 } catch (e) { | |
| 122 // Generally just fails when we don't have SpecialPowers. | |
| 123 } | |
| 124 | |
| 125 try { | |
| 126 var glVendor, glRenderer; | |
| 127 [glVendor, glRenderer] = detectDriverInfo(); | |
| 128 info('GL vendor: ' + glVendor); | |
| 129 info('GL renderer: ' + glRenderer); | |
| 130 | |
| 131 if (glRenderer.contains('llvmpipe')) { | |
| 132 kDriver = DRIVER.MESA; | |
| 133 } else if (glRenderer.contains('Android Emulator')) { | |
| 134 kDriver = DRIVER.ANDROID_X86_EMULATOR; | |
| 135 } else if (glRenderer.contains('ANGLE')) { | |
| 136 kDriver = DRIVER.ANGLE; | |
| 137 } else if (glVendor.contains('NVIDIA')) { | |
| 138 kDriver = DRIVER.NVIDIA; | |
| 139 } | |
| 140 } catch (e) { | |
| 141 // detectDriverInfo is fallible where WebGL fails. | |
| 142 } | |
| 143 | |
| 144 if (kOS) { | |
| 145 info('OS detected as: ' + kOS); | |
| 146 info(' Version: ' + kOSVersion); | |
| 147 } else { | |
| 148 info('OS not detected.'); | |
| 149 info(' `platform`: ' + navigator.platform); | |
| 150 info(' `appVersion`: ' + navigator.appVersion); | |
| 151 info(' `userAgent`: ' + navigator.userAgent); | |
| 152 } | |
| 153 if (kDriver) { | |
| 154 info('GL driver detected as: ' + kDriver); | |
| 155 } else { | |
| 156 info('GL driver not detected.'); | |
| 157 } | |
| 158 | |
| 159 return { | |
| 160 setInfoFunc: setInfoFunc, | |
| 161 | |
| 162 OS: OS, | |
| 163 DRIVER: DRIVER, | |
| 164 getOS: function() { return kOS; }, | |
| 165 getDriver: function() { return kDriver; }, | |
| 166 getOSVersion: function() { return kOSVersion; }, | |
| 167 }; | |
| 168 })(); | |
| 169 |
