widget/nsIGfxInfo.idl

   1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsISupports.idl"
   8
   9 /* NOTE: this interface is completely undesigned, not stable and likely to change */
  10 [scriptable, builtinclass, uuid(1accd618-4c80-4703-9d29-ecf257d397c8)]
  11 interface nsIGfxInfo : nsISupports
  12 {
  13   /*
  14    * These are win32-specific
  15    */
  16   readonly attribute boolean D2DEnabled;
  17   readonly attribute boolean DWriteEnabled;
  18   readonly attribute boolean EmbeddedInFirefoxReality;
  19   readonly attribute AString AzureCanvasBackend;
  20   readonly attribute AString AzureContentBackend;
  21   readonly attribute boolean usingGPUProcess;
  22   readonly attribute boolean hasBattery;
  23   readonly attribute AString DWriteVersion;
  24   readonly attribute AString cleartypeParameters;
  25
  26   /*
  27    * These are non-Android linux-specific
  28    */
  29   readonly attribute AString windowProtocol;
  30   readonly attribute AString testType;
  31
  32   /*
  33    * These are valid across all platforms.
  34    */
  35   readonly attribute AString ContentBackend;
  36   readonly attribute boolean isHeadless;
  37   readonly attribute unsigned long TargetFrameRate;
  38   readonly attribute ACString CodecSupportInfo;
  39
  40   // XXX: Switch to a list of devices, rather than explicitly numbering them.
  41
  42   /**
  43    * The name of the display adapter.
  44    */
  45   readonly attribute AString adapterDescription;
  46   readonly attribute AString adapterDescription2;
  47
  48   readonly attribute AString adapterDriver;
  49   readonly attribute AString adapterDriver2;
  50
  51   /* These types are inspired by DXGI_ADAPTER_DESC */
  52   readonly attribute AString adapterVendorID;
  53   readonly attribute AString adapterVendorID2;
  54
  55   readonly attribute AString adapterDeviceID;
  56   readonly attribute AString adapterDeviceID2;
  57
  58   readonly attribute AString adapterSubsysID;
  59   readonly attribute AString adapterSubsysID2;
  60
  61   /**
  62    * The amount of RAM in MB in the display adapter.
  63    */
  64   readonly attribute unsigned long adapterRAM;
  65   readonly attribute unsigned long adapterRAM2;
  66
  67   readonly attribute AString adapterDriverVendor;
  68   readonly attribute AString adapterDriverVendor2;
  69
  70   readonly attribute AString adapterDriverVersion;
  71   readonly attribute AString adapterDriverVersion2;
  72
  73   readonly attribute AString adapterDriverDate;
  74   readonly attribute AString adapterDriverDate2;
  75
  76   readonly attribute boolean isGPU2Active;
  77
  78   readonly attribute ACString drmRenderDevice;
  79
  80   /**
  81    * Returns an array of objects describing each monitor. Guaranteed properties
  82    * are "screenWidth" and "screenHeight". This is only implemented on Desktop.
  83    *
  84    * Windows additionally supplies "refreshRate" and "pseudoDisplay".
  85    *
  86    * OS X additionally supplies "scale".
  87    */
  88   [implicit_jscontext]
  89   jsval getMonitors();
  90
  91   Array<ACString> getFailures(out Array<long> indices);
  92
  93   [noscript, notxpcom] void logFailure(in ACString failure);
  94   /*
  95    * A set of constants for features that we can ask this GfxInfo object
  96    * about via GetFeatureStatus
  97    */
  98   /* Don't assign any value <= 0 */
  99   /* Values must be contiguous */
 100   /* Whether Direct2D is supported for content rendering. */
 101   const long FEATURE_DIRECT2D = 1;
 102   /* Whether Direct3D 9 is supported for layers. */
 103   const long FEATURE_DIRECT3D_9_LAYERS = 2;
 104   /* Whether Direct3D 10.0 is supported for layers. */
 105   const long FEATURE_DIRECT3D_10_LAYERS = 3;
 106   /* Whether Direct3D 10.1 is supported for layers. */
 107   const long FEATURE_DIRECT3D_10_1_LAYERS = 4;
 108   /* Whether OpenGL is supported for layers */
 109   const long FEATURE_OPENGL_LAYERS = 5;
 110   /* Whether WebGL is supported via OpenGL. */
 111   const long FEATURE_WEBGL_OPENGL = 6;
 112   /* Whether WebGL is supported via ANGLE (D3D9 -- does not check for the presence of ANGLE libs). */
 113   const long FEATURE_WEBGL_ANGLE = 7;
 114   /* (Unused) Whether WebGL antialiasing is supported. */
 115   const long UNUSED_FEATURE_WEBGL_MSAA = 8;
 116   /* Whether Stagefright is supported, starting in 17. */
 117   const long FEATURE_STAGEFRIGHT = 9;
 118   /* Whether Webrtc Hardware H.264 acceleration is supported, starting in 71. */
 119   const long FEATURE_WEBRTC_HW_ACCELERATION_H264 = 10;
 120   /* Whether Direct3D 11 is supported for layers, starting in 32. */
 121   const long FEATURE_DIRECT3D_11_LAYERS = 11;
 122   /* Whether hardware accelerated video decoding is supported, starting in 36. */
 123   const long FEATURE_HARDWARE_VIDEO_DECODING = 12;
 124   /* Whether Direct3D 11 is supported for ANGLE, starting in 38. */
 125   const long FEATURE_DIRECT3D_11_ANGLE = 13;
 126   /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
 127   const long FEATURE_WEBRTC_HW_ACCELERATION_ENCODE = 14;
 128   /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
 129   const long FEATURE_WEBRTC_HW_ACCELERATION_DECODE = 15;
 130   /* Whether Canvas acceleration is supported, starting in 45 */
 131   const long FEATURE_CANVAS2D_ACCELERATION = 16;
 132   /* Whether hardware VP8 decoding is supported, starting in 48; not for downloadable blocking. */
 133   const long FEATURE_VP8_HW_DECODE = 17;
 134   /* Whether hardware VP9 decoding is supported, starting in 48; not for downloadable blocking. */
 135   const long FEATURE_VP9_HW_DECODE = 18;
 136   /* Whether NV_dx_interop2 is supported, starting in 50; downloadable blocking in 58. */
 137   const long FEATURE_DX_INTEROP2 = 19;
 138   /* Whether the GPU process is supported, starting in 52; downloadable blocking in 58. */
 139   const long FEATURE_GPU_PROCESS = 20;
 140   /* Whether the WebGL2 is supported, starting in 54 */
 141   const long FEATURE_WEBGL2 = 21;
 142   /* Whether D3D11 keyed mutex is supported, starting in 56 */
 143   const long FEATURE_D3D11_KEYED_MUTEX = 22;
 144   /* Whether WebRender is supported, starting in 62 */
 145   const long FEATURE_WEBRENDER = 23;
 146   /* Whether WebRender is supported, starting in 62 */
 147   const long FEATURE_DX_NV12 = 24;
 148   const long FEATURE_DX_P010 = 25;
 149   const long FEATURE_DX_P016 = 26;
 150   /* Whether OpenGL swizzle configuration of texture units is supported, starting in 70 */
 151   const long FEATURE_GL_SWIZZLE = 27;
 152   /* Whether WebRender native compositor is supported, starting in 73 */
 153   const long FEATURE_WEBRENDER_COMPOSITOR = 28;
 154   /* Whether WebRender can use scissored clears for cached surfaces, staring in 79 */
 155   const long FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS = 29;
 156   /* Support webgl.out-of-process: true (starting in 83) */
 157   const long FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS = 30;
 158   /* Is OpenGL threadsafe (starting in 83) */
 159   const long FEATURE_THREADSAFE_GL = 31;
 160   /* Whether webrender uses pre-optimized shaders, starting in 87. */
 161   const long FEATURE_WEBRENDER_OPTIMIZED_SHADERS = 32;
 162   /* Whether we prefer EGL over GLX with X11, starting in 88. */
 163   const long FEATURE_X11_EGL = 33;
 164   /* Whether DMABUF is supported, starting in 88. */
 165   const long FEATURE_DMABUF = 34;
 166   /* Whether webrender caches shader program binaries to disk, starting in 89. */
 167   const long FEATURE_WEBRENDER_SHADER_CACHE = 35;
 168   /* Whether partial present is allowed with WebRender, starting in 98. */
 169   const long FEATURE_WEBRENDER_PARTIAL_PRESENT = 36;
 170   /* Whether WebGPU is supported, starting in 100. */
 171   const long FEATURE_WEBGPU = 37;
 172   /* Whether video overlay of hardware decoded video is supported, starting in 100. */
 173   const long FEATURE_VIDEO_OVERLAY = 38;
 174   /* Whether hardware decoded video zero copy is supported, starting in 101. */
 175   const long FEATURE_HW_DECODED_VIDEO_ZERO_COPY = 39;
 176   /* Whether DMABUF export is supported, starting in 103. */
 177   const long FEATURE_DMABUF_SURFACE_EXPORT = 40;
 178   /* Whether reuse decoder device is supported, starting in 104. */
 179   const long FEATURE_REUSE_DECODER_DEVICE = 41;
 180   /* Whether to allow backdrop filter, starting in 105. */
 181   const long FEATURE_BACKDROP_FILTER = 42;
 182   /* Whether to use Accelerated Canvas2D, starting in 110. */
 183   const long FEATURE_ACCELERATED_CANVAS2D = 43;
 184   /* Whether hardware H264 decoding is supported, starting in 114; not for downloadable blocking. */
 185   const long FEATURE_H264_HW_DECODE = 44;
 186   /* Whether hardware AV1 decoding is supported, starting in 114; not for downloadable blocking. */
 187   const long FEATURE_AV1_HW_DECODE = 45;
 188   /* Whether video overlay of software decoded video is supported, starting in 116. */
 189   const long FEATURE_VIDEO_SOFTWARE_OVERLAY = 46;
 190   /* Whether WebGL is allowed to use hardware rendering, otherwise software fallbacks. */
 191   const long FEATURE_WEBGL_USE_HARDWARE = 47;
 192   /* the maximum feature value. */
 193   const long FEATURE_MAX_VALUE = FEATURE_WEBGL_USE_HARDWARE;
 194
 195   /*
 196    * A set of return values from GetFeatureStatus
 197    */
 198
 199   /* The driver is safe to the best of our knowledge */
 200   const long FEATURE_STATUS_OK = 1;
 201   /* We don't know the status of the feature yet. The analysis probably hasn't finished yet. */
 202   const long FEATURE_STATUS_UNKNOWN = 2;
 203   /* This feature is blocked on this driver version. Updating driver will typically unblock it. */
 204   const long FEATURE_BLOCKED_DRIVER_VERSION = 3;
 205   /* This feature is blocked on this device, regardless of driver version.
 206    * Typically means we hit too many driver crashes without a good reason to hope for them to
 207    * get fixed soon. */
 208   const long FEATURE_BLOCKED_DEVICE = 4;
 209   /* This feature is available and can be used, but is not suggested (e.g. shouldn't be used by default */
 210   const long FEATURE_DISCOURAGED = 5;
 211   /* This feature is blocked on this OS version. */
 212   const long FEATURE_BLOCKED_OS_VERSION = 6;
 213   /* This feature is blocked because of mismatched driver versions. */
 214   const long FEATURE_BLOCKED_MISMATCHED_VERSION = 7;
 215   /* This feature is blocked due to not being on the allowlist. */
 216   const long FEATURE_DENIED = 8;
 217   /* This feature is safe to be on this device due to the allowlist. */
 218   const long FEATURE_ALLOW_ALWAYS = 9;
 219   /* This feature is safe to be on this device due to the allowlist, depending on qualified/experiment status. */
 220   const long FEATURE_ALLOW_QUALIFIED = 10;
 221   /* This feature failed in a startup test, e.g. due to a crashing driver. */
 222   const long FEATURE_BLOCKED_PLATFORM_TEST = 11;
 223
 224   /**
 225    * Ask about a feature, and return the status of that feature.
 226    * If the feature is not ok then aFailureId will give a unique failure Id
 227    * otherwise it will be empty.
 228    */
 229   long getFeatureStatus(in long aFeature, [optional] out ACString aFailureId);
 230
 231   /*
 232    * Ask about a feature, return the minimum driver version required for it if its status is
 233    * FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string.
 234    */
 235   AString getFeatureSuggestedDriverVersion(in long aFeature);
 236
 237   // only useful on X11
 238   [noscript, notxpcom] void GetData();
 239
 240   /**
 241    * Maximum refresh rate among detected monitors. -1 if unknown. aMixed is set
 242    * to true if we know there are multiple displays and they have different
 243    * refresh rates, else false. The returned value is in Hz.
 244    */
 245   [noscript, notxpcom] long GetMaxRefreshRate(out boolean aMixed);
 246
 247   [implicit_jscontext]
 248   jsval getInfo();
 249
 250   // Return an object describing all features that have been configured:
 251   //
 252   //   "features": [
 253   //     // For each feature:
 254   //     {
 255   //       "name": <string>,
 256   //       "description": <string>,
 257   //       "status": <string>,
 258   //       "log": [
 259   //          // One or more log entries, the first denotes the default value.
 260   //          {
 261   //            "type": <string>,    // "base", "user", "env", or "runtime"
 262   //            "status": <string>,
 263   //            "message": <string>  // Set unless type is "base" and status is "available".
 264   //          }
 265   //       ]
 266   //     }
 267   //   ]
 268   //   "fallbacks": [
 269   //     // For each workaround:
 270   //     {
 271   //       "name:" <string>,
 272   //       "description": <string>,
 273   //       "message": <string>
 274   //     ]
 275   //   }
 276   //
 277   // When a message is prefixed with a '#', it is a special status code. Status
 278   // codes are unique identifiers that can be searched in the codebase to find
 279   // which line of code caused the message. Some codes are standardized to
 280   // improve about:support messaging:
 281   //
 282   //   "[CONTEXT_]FEATURE_FAILURE_BUG_<number>"
 283   //     CONTEXT is optional and can currently only be "BLOCKLIST".
 284   //     <number> refers to a bug number in Bugzilla.
 285   //
 286   [implicit_jscontext]
 287   jsval getFeatureLog();
 288
 289   // Returns an object containing information about graphics features. It is
 290   // intended to be directly included into the Telemetry environment.
 291   //
 292   //   "layers":
 293   //   {
 294   //     "compositor": "d3d9", "d3d11", "opengl", "basic", or "none"
 295   //                   // ("none" indicates no compositors have been created)
 296   //     // Feature is one of "d3d9", "d3d11", "opengl", "basic", or "d2d".
 297   //     "<feature>": {
 298   //       // Each backend can have one of the following statuses:
 299   //       //   "unused"      - This feature has not been requested.
 300   //       //   "unavailable" - OS version or restriction prevents use.
 301   //       //   "blocked"     - An internal condition (such as safe mode) prevents use.
 302   //       //   "blocklisted" - Blocked due to a blocklist restriction.
 303   //       //   "denied"      - Blocked due to allowlist restrictions.
 304   //       //   "disabled"    - User explicitly disabled this default feature.
 305   //       //   "failed"      - Feature failed to initialize.
 306   //       //   "available"   - User has this feature available by default.
 307   //       "status": "<status>",
 308   //       "version": "<version>",
 309   //       "warp": true|false,           // D3D11 only.
 310   //       "textureSharing": true|false, // D3D11 only.
 311   //     }
 312   //   }
 313   [implicit_jscontext]
 314   jsval getFeatures();
 315
 316   // Returns an array listing any active crash guards.
 317   //
 318   //   [
 319   //     {
 320   //       // Type is one of "d3d11layers", or "glcontext".
 321   //       "type":        "<identifier>",
 322   //
 323   //       // Preference that must be deleted/reset to retrigger the guard.
 324   //       "prefName":    "<preference>",
 325   //     }
 326   //   ]
 327   [implicit_jscontext]
 328   jsval getActiveCrashGuards();
 329
 330   // Forces the GPU process to start or shutdown. This is intended only for
 331   // xpcshell-tests.
 332   boolean controlGPUProcessForXPCShell(in boolean aEnable);
 333
 334   // Kills the GPU process cleanly, without generating a crash dump.
 335   // This is intended only for use by tests.
 336   void killGPUProcessForTests();
 337
 338   // Causes the GPU process to crash. This is intended only for use by tests.
 339   void crashGPUProcessForTests();
 340 };