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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/canvas/test/webgl-mochitest/driver-info.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/canvas/test/webgl-mochitest/driver-info.js')
-rw-r--r--dom/canvas/test/webgl-mochitest/driver-info.js169
1 files changed, 169 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/driver-info.js b/dom/canvas/test/webgl-mochitest/driver-info.js
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+++ b/dom/canvas/test/webgl-mochitest/driver-info.js
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+DriverInfo = (function() {
+ // ---------------------------------------------------------------------------
+ // Debug info handling
+
+ function defaultInfoFunc(str) {
+ console.log('Info: ' + str);
+ }
+
+ var gInfoFunc = defaultInfoFunc;
+ function setInfoFunc(func) {
+ gInfoFunc = func;
+ }
+
+ function info(str) {
+ gInfoFunc(str);
+ }
+
+ // ---------------------------------------------------------------------------
+ // OS and driver identification
+ // Stolen from dom/canvas/test/webgl/test_webgl_conformance_test_suite.html
+ function detectDriverInfo() {
+ try {
+ var cc = SpecialPowers.Cc;
+ } catch (e) {
+ throw 'No SpecialPowers!';
+ }
+
+ const Cc = SpecialPowers.Cc;
+ const Ci = SpecialPowers.Ci;
+ var doc = Cc["@mozilla.org/xmlextras/domparser;1"].createInstance(Ci.nsIDOMParser).parseFromString("<html/>", "text/html");
+
+ var canvas = doc.createElement("canvas");
+ canvas.width = 1;
+ canvas.height = 1;
+
+ var type = "";
+ var gl = null;
+ try {
+ gl = canvas.getContext("experimental-webgl");
+ } catch(e) {}
+
+ if (!gl) {
+ info('Failed to create WebGL context for querying driver info.');
+ throw 'WebGL failed';
+ }
+
+ var ext = gl.getExtension("WEBGL_debug_renderer_info");
+ // this extension is unconditionally available to chrome. No need to check.
+
+ var webglRenderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
+ var webglVendor = gl.getParameter(ext.UNMASKED_VENDOR_WEBGL);
+ return [webglVendor, webglRenderer];
+ }
+
+ function detectOSInfo() {
+ try {
+ var cc = SpecialPowers.Cc;
+ } catch (e) {
+ throw 'No SpecialPowers!';
+ }
+
+ const Cc = SpecialPowers.Cc;
+ const Ci = SpecialPowers.Ci;
+
+ // From reftest.js:
+ var runtime = Cc['@mozilla.org/xre/app-info;1'].getService(Ci.nsIXULRuntime);
+
+ var os = null;
+ var version = null;
+ if (navigator.platform.indexOf('Win') == 0) {
+ os = OS.WINDOWS;
+
+ // code borrowed from browser/modules/test/browser_taskbar_preview.js
+ version = SpecialPowers.Services.sysinfo.getProperty('version');
+ version = parseFloat(version);
+ // Version 6.0 is Vista, 6.1 is 7.
+
+ } else if (navigator.platform.indexOf('Mac') == 0) {
+ os = OS.MAC;
+
+ var versionMatch = /Mac OS X (\d+.\d+)/.exec(navigator.userAgent);
+ version = versionMatch ? parseFloat(versionMatch[1]) : null;
+
+ } else if (runtime.widgetToolkit == 'gonk') {
+ os = OS.B2G;
+
+ } else if (navigator.appVersion.indexOf('Android') != -1) {
+ os = OS.ANDROID;
+ // From layout/tools/reftest/reftest.js:
+ version = SpecialPowers.Services.sysinfo.getProperty('version');
+
+ } else if (navigator.platform.indexOf('Linux') == 0) {
+ // Must be checked after android, as android also has a 'Linux' platform string.
+ os = OS.LINUX;
+ }
+
+ return [os, version];
+ }
+
+ var OS = {
+ WINDOWS: 'windows',
+ MAC: 'mac',
+ LINUX: 'linux',
+ ANDROID: 'android',
+ B2G: 'b2g',
+ };
+
+ var DRIVER = {
+ MESA: 'mesa',
+ NVIDIA: 'nvidia',
+ ANDROID_X86_EMULATOR: 'android x86 emulator',
+ ANGLE: 'angle',
+ };
+
+ var kOS = null;
+ var kOSVersion = null;
+ var kDriver = null;
+
+ try {
+ [kOS, kOSVersion] = detectOSInfo();
+ } catch (e) {
+ // Generally just fails when we don't have SpecialPowers.
+ }
+
+ try {
+ var glVendor, glRenderer;
+ [glVendor, glRenderer] = detectDriverInfo();
+ info('GL vendor: ' + glVendor);
+ info('GL renderer: ' + glRenderer);
+
+ if (glRenderer.includes('llvmpipe')) {
+ kDriver = DRIVER.MESA;
+ } else if (glRenderer.includes('Android Emulator')) {
+ kDriver = DRIVER.ANDROID_X86_EMULATOR;
+ } else if (glRenderer.includes('ANGLE')) {
+ kDriver = DRIVER.ANGLE;
+ } else if (glVendor.includes('NVIDIA')) {
+ kDriver = DRIVER.NVIDIA;
+ }
+ } catch (e) {
+ // detectDriverInfo is fallible where WebGL fails.
+ }
+
+ if (kOS) {
+ info('OS detected as: ' + kOS);
+ info(' Version: ' + kOSVersion);
+ } else {
+ info('OS not detected.');
+ info(' `platform`: ' + navigator.platform);
+ info(' `appVersion`: ' + navigator.appVersion);
+ info(' `userAgent`: ' + navigator.userAgent);
+ }
+ if (kDriver) {
+ info('GL driver detected as: ' + kDriver);
+ } else {
+ info('GL driver not detected.');
+ }
+
+ return {
+ setInfoFunc: setInfoFunc,
+
+ OS: OS,
+ DRIVER: DRIVER,
+ getOS: function() { return kOS; },
+ getDriver: function() { return kDriver; },
+ getOSVersion: function() { return kOSVersion; },
+ };
+})();
+