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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 hasBattery;
+ readonly attribute AString DWriteVersion;
+ readonly attribute AString cleartypeParameters;
+
+ /*
+ * 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.
+
+ /**
+ * 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);
+ /*
+ * A set of constants for features that we can ask this GfxInfo object
+ * about via GetFeatureStatus
+ */
+ /* Don't assign any value <= 0 */
+ /* Values must be contiguous */
+ /* Whether Direct2D is supported for content rendering. */
+ const long FEATURE_DIRECT2D = 1;
+ /* Whether Direct3D 9 is supported for layers. */
+ const long FEATURE_DIRECT3D_9_LAYERS = 2;
+ /* Whether Direct3D 10.0 is supported for layers. */
+ const long FEATURE_DIRECT3D_10_LAYERS = 3;
+ /* Whether Direct3D 10.1 is supported for layers. */
+ const long FEATURE_DIRECT3D_10_1_LAYERS = 4;
+ /* Whether OpenGL is supported for layers */
+ const long FEATURE_OPENGL_LAYERS = 5;
+ /* Whether WebGL is supported via OpenGL. */
+ const long FEATURE_WEBGL_OPENGL = 6;
+ /* Whether WebGL is supported via ANGLE (D3D9 -- does not check for the presence of ANGLE libs). */
+ const long FEATURE_WEBGL_ANGLE = 7;
+ /* (Unused) Whether WebGL antialiasing is supported. */
+ const long UNUSED_FEATURE_WEBGL_MSAA = 8;
+ /* Whether Stagefright is supported, starting in 17. */
+ const long FEATURE_STAGEFRIGHT = 9;
+ /* Whether Webrtc Hardware H.264 acceleration is supported, starting in 71. */
+ const long FEATURE_WEBRTC_HW_ACCELERATION_H264 = 10;
+ /* Whether Direct3D 11 is supported for layers, starting in 32. */
+ const long FEATURE_DIRECT3D_11_LAYERS = 11;
+ /* Whether hardware accelerated video decoding is supported, starting in 36. */
+ const long FEATURE_HARDWARE_VIDEO_DECODING = 12;
+ /* Whether Direct3D 11 is supported for ANGLE, starting in 38. */
+ const long FEATURE_DIRECT3D_11_ANGLE = 13;
+ /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
+ const long FEATURE_WEBRTC_HW_ACCELERATION_ENCODE = 14;
+ /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
+ const long FEATURE_WEBRTC_HW_ACCELERATION_DECODE = 15;
+ /* Whether Canvas acceleration is supported, starting in 45 */
+ const long FEATURE_CANVAS2D_ACCELERATION = 16;
+ /* Whether hardware VP8 decoding is supported, starting in 48; not for downloadable blocking. */
+ const long FEATURE_VP8_HW_DECODE = 17;
+ /* Whether hardware VP9 decoding is supported, starting in 48; not for downloadable blocking. */
+ const long FEATURE_VP9_HW_DECODE = 18;
+ /* Whether NV_dx_interop2 is supported, starting in 50; downloadable blocking in 58. */
+ const long FEATURE_DX_INTEROP2 = 19;
+ /* Whether the GPU process is supported, starting in 52; downloadable blocking in 58. */
+ const long FEATURE_GPU_PROCESS = 20;
+ /* Whether the WebGL2 is supported, starting in 54 */
+ const long FEATURE_WEBGL2 = 21;
+ /* Whether D3D11 keyed mutex is supported, starting in 56 */
+ const long FEATURE_D3D11_KEYED_MUTEX = 22;
+ /* Whether WebRender is supported, starting in 62 */
+ const long FEATURE_WEBRENDER = 23;
+ /* Whether WebRender is supported, starting in 62 */
+ const long FEATURE_DX_NV12 = 24;
+ const long FEATURE_DX_P010 = 25;
+ const long FEATURE_DX_P016 = 26;
+ /* Whether OpenGL swizzle configuration of texture units is supported, starting in 70 */
+ const long FEATURE_GL_SWIZZLE = 27;
+ /* Whether WebRender native compositor is supported, starting in 73 */
+ const long FEATURE_WEBRENDER_COMPOSITOR = 28;
+ /* Whether WebRender can use scissored clears for cached surfaces, staring in 79 */
+ const long FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS = 29;
+ /* Support webgl.out-of-process: true (starting in 83) */
+ const long FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS = 30;
+ /* Is OpenGL threadsafe (starting in 83) */
+ const long FEATURE_THREADSAFE_GL = 31;
+ /* Whether webrender uses pre-optimized shaders, starting in 87. */
+ const long FEATURE_WEBRENDER_OPTIMIZED_SHADERS = 32;
+ /* Whether we prefer EGL over GLX with X11, starting in 88. */
+ const long FEATURE_X11_EGL = 33;
+ /* Whether DMABUF is supported, starting in 88. */
+ const long FEATURE_DMABUF = 34;
+ /* Whether webrender caches shader program binaries to disk, starting in 89. */
+ const long FEATURE_WEBRENDER_SHADER_CACHE = 35;
+ /* Whether partial present is allowed with WebRender, starting in 98. */
+ const long FEATURE_WEBRENDER_PARTIAL_PRESENT = 36;
+ /* Whether WebGPU is supported, starting in 100. */
+ const long FEATURE_WEBGPU = 37;
+ /* Whether video overlay is supported, starting in 100. */
+ const long FEATURE_VIDEO_OVERLAY = 38;
+ /* Whether hardware decoded video zero copy is supported, starting in 101. */
+ const long FEATURE_HW_DECODED_VIDEO_ZERO_COPY = 39;
+ /* Whether DMABUF export is supported, starting in 103. */
+ const long FEATURE_DMABUF_SURFACE_EXPORT = 40;
+ /* Whether reuse decoder device is supported, starting in 104. */
+ const long FEATURE_REUSE_DECODER_DEVICE = 41;
+ /* Whether to allow backdrop filter, starting in 105. */
+ const long FEATURE_BACKDROP_FILTER = 42;
+ /* Whether to use Accelerated Canvas2D, starting in 110. */
+ const long FEATURE_ACCELERATED_CANVAS2D = 43;
+ /* Whether hardware H264 decoding is supported, starting in 114; not for downloadable blocking. */
+ const long FEATURE_H264_HW_DECODE = 44;
+ /* Whether hardware AV1 decoding is supported, starting in 114; not for downloadable blocking. */
+ const long FEATURE_AV1_HW_DECODE = 45;
+ /* Whether WebGL is allowed to use hardware rendering, otherwise software fallbacks. */
+ const long FEATURE_WEBGL_USE_HARDWARE = 46;
+ /* the maximum feature value. */
+ const long FEATURE_MAX_VALUE = FEATURE_WEBGL_USE_HARDWARE;
+
+ /*
+ * A set of return values from GetFeatureStatus
+ */
+
+ /* The driver is safe to the best of our knowledge */
+ const long FEATURE_STATUS_OK = 1;
+ /* We don't know the status of the feature yet. The analysis probably hasn't finished yet. */
+ const long FEATURE_STATUS_UNKNOWN = 2;
+ /* This feature is blocked on this driver version. Updating driver will typically unblock it. */
+ const long FEATURE_BLOCKED_DRIVER_VERSION = 3;
+ /* This feature is blocked on this device, regardless of driver version.
+ * Typically means we hit too many driver crashes without a good reason to hope for them to
+ * get fixed soon. */
+ const long FEATURE_BLOCKED_DEVICE = 4;
+ /* This feature is available and can be used, but is not suggested (e.g. shouldn't be used by default */
+ const long FEATURE_DISCOURAGED = 5;
+ /* This feature is blocked on this OS version. */
+ const long FEATURE_BLOCKED_OS_VERSION = 6;
+ /* This feature is blocked because of mismatched driver versions. */
+ const long FEATURE_BLOCKED_MISMATCHED_VERSION = 7;
+ /* This feature is blocked due to not being on the allowlist. */
+ const long FEATURE_DENIED = 8;
+ /* This feature is safe to be on this device due to the allowlist. */
+ const long FEATURE_ALLOW_ALWAYS = 9;
+ /* This feature is safe to be on this device due to the allowlist, depending on qualified/experiment status. */
+ const long FEATURE_ALLOW_QUALIFIED = 10;
+ /* This feature failed in a startup test, e.g. due to a crashing driver. */
+ const long FEATURE_BLOCKED_PLATFORM_TEST = 11;
+
+ /**
+ * 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);
+
+ /*
+ * 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);
+
+ // 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();
+};