Quelle nsIGfxInfo.idl
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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
/* NOTE: this interface is completely undesigned, not stable and likely to change */
[scriptable, builtinclass, uuid(1accd618-4c80-4703-9d29-ecf257d397c8)]
interface nsIGfxInfo : nsISupports
{
/*
* These are win32-specific
*/
readonly attribute boolean D2DEnabled;
readonly attribute boolean DWriteEnabled;
readonly attribute boolean EmbeddedInFirefoxReality;
readonly attribute AString AzureCanvasBackend;
readonly attribute AString AzureContentBackend;
readonly attribute boolean usingGPUProcess;
readonly attribute boolean usingRemoteCanvas;
readonly attribute boolean usingAcceleratedCanvas;
readonly attribute boolean hasBattery;
readonly attribute AString DWriteVersion;
readonly attribute AString cleartypeParameters;
readonly attribute float textScaleFactor;
/*
* These are non-Android linux-specific
*/
readonly attribute AString windowProtocol;
readonly attribute AString testType;
/*
* These are valid across all platforms.
*/
readonly attribute AString ContentBackend;
readonly attribute boolean isHeadless;
readonly attribute unsigned long TargetFrameRate;
readonly attribute ACString CodecSupportInfo;
// XXX: Switch to a list of devices, rather than explicitly numbering them.
// Present on all platforms, but only useful on Android
cenum FontVisibilityDeviceDetermination : 8 {
Unassigned = 0,
Unknown_Platform = 1,
Windows_Platform = 2,
MacOS_Unknown = 3,
Android_Unknown_Release_Version = 4,
Android_Unknown_Peloton = 5,
Android_Unknown_vbox = 6,
Android_Unknown_mitv = 7,
Android_Chromebook = 8,
Android_Amazon = 9,
Android_sub_9 = 10,
Android_9_11 = 11,
Android_12_plus = 12,
Linux_Unknown = 13,
Linux_Ubuntu_any = 14,
Linux_Ubuntu_20 = 15,
Linux_Ubuntu_22 = 16,
Linux_Fedora_any = 17,
Linux_Fedora_38 = 18,
Linux_Fedora_39 = 19,
MacOS_13_plus = 20,
MacOS_sub_13 = 21
};
readonly attribute nsIGfxInfo_FontVisibilityDeviceDetermination fontVisibilityDetermination;
readonly attribute AString fontVisibilityDeterminationStr;
/**
* The name of the display adapter.
*/
readonly attribute AString adapterDescription;
readonly attribute AString adapterDescription2;
readonly attribute AString adapterDriver;
readonly attribute AString adapterDriver2;
/* These types are inspired by DXGI_ADAPTER_DESC */
readonly attribute AString adapterVendorID;
readonly attribute AString adapterVendorID2;
readonly attribute AString adapterDeviceID;
readonly attribute AString adapterDeviceID2;
readonly attribute AString adapterSubsysID;
readonly attribute AString adapterSubsysID2;
/**
* The amount of RAM in MB in the display adapter.
*/
readonly attribute unsigned long adapterRAM;
readonly attribute unsigned long adapterRAM2;
readonly attribute AString adapterDriverVendor;
readonly attribute AString adapterDriverVendor2;
readonly attribute AString adapterDriverVersion;
readonly attribute AString adapterDriverVersion2;
readonly attribute AString adapterDriverDate;
readonly attribute AString adapterDriverDate2;
readonly attribute boolean isGPU2Active;
readonly attribute ACString drmRenderDevice;
/**
* Returns an array of objects describing each monitor. Guaranteed properties
* are "screenWidth" and "screenHeight". This is only implemented on Desktop.
*
* Windows additionally supplies "refreshRate" and "pseudoDisplay".
*
* OS X additionally supplies "scale".
*/
[implicit_jscontext]
jsval getMonitors();
Array<ACString> getFailures(out Array<long> indices);
[noscript, notxpcom] void logFailure(in ACString failure);
%{C++
/*
* A set of constants for features that we can ask this GfxInfo object
* about via GetFeatureStatus
*/
enum FeatureType : uint8_t {
FEATURE_INVALID = 0,
#define GFXINFO_FEATURE(id, name, pref) FEATURE_##id,
#include "mozilla/widget/GfxInfoFeatureDefs.h"
#undef GFXINFO_FEATURE
FEATURE_COUNT,
/* This must be the first value after INVALID/ALL/OPTIONAL. */
FEATURE_START = FEATURE_DIRECT2D
};
/*
* A set of return values from GetFeatureStatus
*/
enum FeatureStatusType : uint8_t {
FEATURE_STATUS_INVALID = 0,
#define GFXINFO_FEATURE_STATUS(id) FEATURE_##id,
#include "mozilla/widget/GfxInfoFeatureStatusDefs.h"
#undef GFXINFO_FEATURE_STATUS
};
%}
/**
* Ask about a feature, and return the status of that feature.
* If the feature is not ok then aFailureId will give a unique failure Id
* otherwise it will be empty.
*/
long getFeatureStatus(in long aFeature, [optional] out ACString aFailureId);
AString getFeatureStatusStr(in AString aFeature, [optional] out ACString aFailureId);
/*
* Ask about a feature, return the minimum driver version required for it if its status is
* FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string.
*/
AString getFeatureSuggestedDriverVersion(in long aFeature);
AString getFeatureSuggestedDriverVersionStr(in AString aFeature);
// only useful on X11
[noscript, notxpcom] void GetData();
/**
* Maximum refresh rate among detected monitors. -1 if unknown. aMixed is set
* to true if we know there are multiple displays and they have different
* refresh rates, else false. The returned value is in Hz.
*/
[noscript, notxpcom] long GetMaxRefreshRate(out boolean aMixed);
[implicit_jscontext]
jsval getInfo();
// Return an object describing all features that have been configured:
//
// "features": [
// // For each feature:
// {
// "name": <string>,
// "description": <string>,
// "status": <string>,
// "log": [
// // One or more log entries, the first denotes the default value.
// {
// "type": <string>, // "base", "user", "env", or "runtime"
// "status": <string>,
// "message": <string> // Set unless type is "base" and status is "available".
// }
// ]
// }
// ]
// "fallbacks": [
// // For each workaround:
// {
// "name:" <string>,
// "description": <string>,
// "message": <string>
// ]
// }
//
// When a message is prefixed with a '#', it is a special status code. Status
// codes are unique identifiers that can be searched in the codebase to find
// which line of code caused the message. Some codes are standardized to
// improve about:support messaging:
//
// "[CONTEXT_]FEATURE_FAILURE_BUG_<number>"
// CONTEXT is optional and can currently only be "BLOCKLIST".
// <number> refers to a bug number in Bugzilla.
//
[implicit_jscontext]
jsval getFeatureLog();
// Returns an object containing information about graphics features. It is
// intended to be directly included into the Telemetry environment.
//
// "layers":
// {
// "compositor": "d3d9", "d3d11", "opengl", "basic", or "none"
// // ("none" indicates no compositors have been created)
// // Feature is one of "d3d9", "d3d11", "opengl", "basic", or "d2d".
// "<feature>": {
// // Each backend can have one of the following statuses:
// // "unused" - This feature has not been requested.
// // "unavailable" - OS version or restriction prevents use.
// // "blocked" - An internal condition (such as safe mode) prevents use.
// // "blocklisted" - Blocked due to a blocklist restriction.
// // "denied" - Blocked due to allowlist restrictions.
// // "disabled" - User explicitly disabled this default feature.
// // "failed" - Feature failed to initialize.
// // "available" - User has this feature available by default.
// "status": "<status>",
// "version": "<version>",
// "warp": true|false, // D3D11 only.
// "textureSharing": true|false, // D3D11 only.
// }
// }
[implicit_jscontext]
jsval getFeatures();
// Returns an array listing any active crash guards.
//
// [
// {
// // Type is one of "d3d11layers", or "glcontext".
// "type": "<identifier>",
//
// // Preference that must be deleted/reset to retrigger the guard.
// "prefName": "<preference>",
// }
// ]
[implicit_jscontext]
jsval getActiveCrashGuards();
// Forces the GPU process to start or shutdown. This is intended only for
// xpcshell-tests.
boolean controlGPUProcessForXPCShell(in boolean aEnable);
// Kills the GPU process cleanly, without generating a crash dump.
// This is intended only for use by tests.
void killGPUProcessForTests();
// Causes the GPU process to crash. This is intended only for use by tests.
void crashGPUProcessForTests();
};
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2026-03-28
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