content/canvas/test/webgl-mochitest/driver-info.js@deefc01c0e14
content/canvas/test/webgl-mochitest/driver-info.js
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 DriverInfo = (function() {
2 // ---------------------------------------------------------------------------
3 // Debug info handling
5 function defaultInfoFunc(str) {
6 console.log('Info: ' + str);
7 }
9 var gInfoFunc = defaultInfoFunc;
10 function setInfoFunc(func) {
11 gInfoFunc = func;
12 }
14 function info(str) {
15 gInfoFunc(str);
16 }
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 }
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");
32 var canvas = doc.createElement("canvas");
33 canvas.width = 1;
34 canvas.height = 1;
36 var type = "";
37 var gl = null;
38 try {
39 gl = canvas.getContext("experimental-webgl");
40 } catch(e) {}
42 if (!gl) {
43 info('Failed to create WebGL context for querying driver info.');
44 throw 'WebGL failed';
45 }
47 var ext = gl.getExtension("WEBGL_debug_renderer_info");
48 // this extension is unconditionally available to chrome. No need to check.
50 var webglRenderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
51 var webglVendor = gl.getParameter(ext.UNMASKED_VENDOR_WEBGL);
52 return [webglVendor, webglRenderer];
53 }
55 function detectOSInfo() {
56 try {
57 var cc = SpecialPowers.Cc;
58 } catch (e) {
59 throw 'No SpecialPowers!';
60 }
62 const Cc = SpecialPowers.Cc;
63 const Ci = SpecialPowers.Ci;
65 // From reftest.js:
66 var runtime = Cc['@mozilla.org/xre/app-info;1'].getService(Ci.nsIXULRuntime);
68 var os = null;
69 var version = null;
70 if (navigator.platform.indexOf('Win') == 0) {
71 os = OS.WINDOWS;
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.
78 } else if (navigator.platform.indexOf('Mac') == 0) {
79 os = OS.MAC;
81 var versionMatch = /Mac OS X (\d+.\d+)/.exec(navigator.userAgent);
82 version = versionMatch ? parseFloat(versionMatch[1]) : null;
84 } else if (runtime.widgetToolkit == 'gonk') {
85 os = OS.B2G;
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');
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 }
97 return [os, version];
98 }
100 var OS = {
101 WINDOWS: 'windows',
102 MAC: 'mac',
103 LINUX: 'linux',
104 ANDROID: 'android',
105 B2G: 'b2g',
106 };
108 var DRIVER = {
109 MESA: 'mesa',
110 NVIDIA: 'nvidia',
111 ANDROID_X86_EMULATOR: 'android x86 emulator',
112 ANGLE: 'angle',
113 };
115 var kOS = null;
116 var kOSVersion = null;
117 var kDriver = null;
119 try {
120 [kOS, kOSVersion] = detectOSInfo();
121 } catch (e) {
122 // Generally just fails when we don't have SpecialPowers.
123 }
125 try {
126 var glVendor, glRenderer;
127 [glVendor, glRenderer] = detectDriverInfo();
128 info('GL vendor: ' + glVendor);
129 info('GL renderer: ' + glRenderer);
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 }
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 }
159 return {
160 setInfoFunc: setInfoFunc,
162 OS: OS,
163 DRIVER: DRIVER,
164 getOS: function() { return kOS; },
165 getDriver: function() { return kDriver; },
166 getOSVersion: function() { return kOSVersion; },
167 };
168 })();
