137 lines
3.6 KiB
JavaScript
137 lines
3.6 KiB
JavaScript
DriverInfo = (function() {
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// ---------------------------------------------------------------------------
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// Debug info handling
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function info(str) {
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window.console.log('Info: ' + str);
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}
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// ---------------------------------------------------------------------------
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// OS and driver identification
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// Stolen from dom/canvas/test/webgl/test_webgl_conformance_test_suite.html
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function detectDriverInfo() {
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var canvas = document.createElement("canvas");
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canvas.width = 1;
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canvas.height = 1;
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var type = "";
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var gl = null;
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try {
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gl = canvas.getContext("experimental-webgl");
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} catch(e) {}
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if (!gl) {
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info('Failed to create WebGL context for querying driver info.');
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throw 'WebGL failed';
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}
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var ext = gl.getExtension("WEBGL_debug_renderer_info");
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if (!ext)
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throw 'WEBGL_debug_renderer_info not available';
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var webglRenderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);
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return webglRenderer;
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}
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function detectOSInfo() {
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var os = null;
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var version = null;
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if (navigator.platform.indexOf('Win') == 0) {
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os = OS.WINDOWS;
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var versionMatch = /Windows NT (\d+.\d+)/.exec(navigator.userAgent);
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version = versionMatch ? parseFloat(versionMatch[1]) : null;
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// Version 6.0 is Vista, 6.1 is 7.
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} else if (navigator.platform.indexOf('Mac') == 0) {
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os = OS.MAC;
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var versionMatch = /Mac OS X (\d+.\d+)/.exec(navigator.userAgent);
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version = versionMatch ? parseFloat(versionMatch[1]) : null;
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} else if (navigator.appVersion.includes('Android')) {
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os = OS.ANDROID;
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try {
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// From layout/tools/reftest/reftest.js:
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version = SpecialPowers.Services.sysinfo.getProperty('version');
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} catch (e) {
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info('No SpecialPowers: can\'t query android version');
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}
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} else if (navigator.platform.indexOf('Linux') == 0) {
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// Must be checked after android, as android also has a 'Linux' platform string.
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os = OS.LINUX;
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}
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return [os, version];
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}
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var OS = {
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WINDOWS: 'windows',
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MAC: 'mac',
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LINUX: 'linux',
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ANDROID: 'android',
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};
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var DRIVER = {
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INTEL: 'intel',
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MESA: 'mesa',
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NVIDIA: 'nvidia',
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ANDROID_X86_EMULATOR: 'android x86 emulator',
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ANGLE: 'angle',
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};
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var kOS = null;
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var kOSVersion = null;
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var kRawDriver = null;
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var kDriver = null;
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try {
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[kOS, kOSVersion] = detectOSInfo();
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} catch (e) {
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// Generally just fails when we don't have SpecialPowers.
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}
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try {
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kRawDriver = detectDriverInfo();
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if (kRawDriver.includes('llvmpipe')) {
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kDriver = DRIVER.MESA;
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} else if (kRawDriver.includes('Android Emulator')) {
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kDriver = DRIVER.ANDROID_X86_EMULATOR;
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} else if (kRawDriver.includes('ANGLE')) {
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kDriver = DRIVER.ANGLE;
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} else if (kRawDriver.includes('NVIDIA')) {
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kDriver = DRIVER.NVIDIA;
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} else if (kRawDriver.includes('Intel')) {
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kDriver = DRIVER.INTEL;
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}
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} catch (e) {
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// detectDriverInfo is fallible where WebGL fails.
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}
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function dump(line_out_func) {
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let lines = [
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'[DriverInfo] userAgent: ' + navigator.userAgent,
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'[DriverInfo] kRawDriver: ' + kRawDriver,
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'[DriverInfo] kDriver: ' + kDriver,
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'[DriverInfo] kOS: ' + kOS,
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'[DriverInfo] kOSVersion: ' + kOSVersion,
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];
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lines.forEach(line_out_func);
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}
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dump(x => console.log(x));
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return {
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DRIVER: DRIVER,
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OS: OS,
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dump: dump,
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getDriver: function() { return kDriver; },
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getOS: function() { return kOS; },
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getOSVersion: function() { return kOSVersion; },
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};
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})();
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