Bug 1625482 [wpt PR 22496] - [ScrollTimeline] Do not show scrollbar to bypass flakine...
[gecko.git] / widget / nsIGfxInfo.idl
blob2699042362744ef325ff272270ed006a0da8695f
1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
7 #include "nsISupports.idl"
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
14 * These are win32-specific
16 readonly attribute boolean D2DEnabled;
17 readonly attribute boolean DWriteEnabled;
18 readonly attribute boolean usingGPUProcess;
19 readonly attribute boolean hasBattery;
20 readonly attribute AString DWriteVersion;
21 readonly attribute AString cleartypeParameters;
24 * These are non-Android linux-specific
26 readonly attribute AString windowProtocol;
27 readonly attribute AString desktopEnvironment;
30 * These are valid across all platforms.
32 readonly attribute AString ContentBackend;
33 readonly attribute boolean WebRenderEnabled;
34 readonly attribute boolean isHeadless;
35 readonly attribute boolean UsesTiling;
36 readonly attribute boolean ContentUsesTiling;
37 readonly attribute boolean OffMainThreadPaintEnabled;
38 readonly attribute long OffMainThreadPaintWorkerCount;
39 readonly attribute unsigned long TargetFrameRate;
41 // XXX: Switch to a list of devices, rather than explicitly numbering them.
43 /**
44 * The name of the display adapter.
46 readonly attribute AString adapterDescription;
47 readonly attribute AString adapterDescription2;
49 readonly attribute AString adapterDriver;
50 readonly attribute AString adapterDriver2;
52 /* These types are inspired by DXGI_ADAPTER_DESC */
53 readonly attribute AString adapterVendorID;
54 readonly attribute AString adapterVendorID2;
56 readonly attribute AString adapterDeviceID;
57 readonly attribute AString adapterDeviceID2;
59 readonly attribute AString adapterSubsysID;
60 readonly attribute AString adapterSubsysID2;
62 /**
63 * The amount of RAM in MB in the display adapter.
65 readonly attribute unsigned long adapterRAM;
66 readonly attribute unsigned long adapterRAM2;
68 readonly attribute AString adapterDriverVendor;
69 readonly attribute AString adapterDriverVendor2;
71 readonly attribute AString adapterDriverVersion;
72 readonly attribute AString adapterDriverVersion2;
74 readonly attribute AString adapterDriverDate;
75 readonly attribute AString adapterDriverDate2;
77 readonly attribute boolean isGPU2Active;
79 /**
80 * Information about display devices
82 readonly attribute Array<AString> displayInfo;
83 readonly attribute Array<unsigned long> displayWidth;
84 readonly attribute Array<unsigned long> displayHeight;
86 /**
87 * Returns an array of objects describing each monitor. Guaranteed properties
88 * are "screenWidth" and "screenHeight". This is only implemented on Desktop.
90 * Windows additionally supplies "refreshRate" and "pseudoDisplay".
92 * OS X additionally supplies "scale".
94 [implicit_jscontext]
95 jsval getMonitors();
97 Array<ACString> getFailures(out Array<long> indices);
99 [noscript, notxpcom] void logFailure(in ACString failure);
101 * A set of constants for features that we can ask this GfxInfo object
102 * about via GetFeatureStatus
104 /* Don't assign any value <= 0 */
105 /* Whether Direct2D is supported for content rendering. */
106 const long FEATURE_DIRECT2D = 1;
107 /* Whether Direct3D 9 is supported for layers. */
108 const long FEATURE_DIRECT3D_9_LAYERS = 2;
109 /* Whether Direct3D 10.0 is supported for layers. */
110 const long FEATURE_DIRECT3D_10_LAYERS = 3;
111 /* Whether Direct3D 10.1 is supported for layers. */
112 const long FEATURE_DIRECT3D_10_1_LAYERS = 4;
113 /* Whether OpenGL is supported for layers */
114 const long FEATURE_OPENGL_LAYERS = 5;
115 /* Whether WebGL is supported via OpenGL. */
116 const long FEATURE_WEBGL_OPENGL = 6;
117 /* Whether WebGL is supported via ANGLE (D3D9 -- does not check for the presence of ANGLE libs). */
118 const long FEATURE_WEBGL_ANGLE = 7;
119 /* Whether WebGL antialiasing is supported. */
120 const long FEATURE_WEBGL_MSAA = 8;
121 /* Whether Stagefright is supported, starting in 17. */
122 const long FEATURE_STAGEFRIGHT = 9;
123 /* Whether Webrtc Hardware H.264 acceleration is supported, starting in 71. */
124 const long FEATURE_WEBRTC_HW_ACCELERATION_H264 = 10;
125 /* Whether Direct3D 11 is supported for layers, starting in 32. */
126 const long FEATURE_DIRECT3D_11_LAYERS = 11;
127 /* Whether hardware accelerated video decoding is supported, starting in 36. */
128 const long FEATURE_HARDWARE_VIDEO_DECODING = 12;
129 /* Whether Direct3D 11 is supported for ANGLE, starting in 38. */
130 const long FEATURE_DIRECT3D_11_ANGLE = 13;
131 /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
132 const long FEATURE_WEBRTC_HW_ACCELERATION_ENCODE = 14;
133 /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
134 const long FEATURE_WEBRTC_HW_ACCELERATION_DECODE = 15;
135 /* Whether Canvas acceleration is supported, starting in 45 */
136 const long FEATURE_CANVAS2D_ACCELERATION = 16;
137 /* Whether hardware VP8 decoding is supported, starting in 48; not for downloadable blocking. */
138 const long FEATURE_VP8_HW_DECODE = 17;
139 /* Whether hardware VP9 decoding is supported, starting in 48; not for downloadable blocking. */
140 const long FEATURE_VP9_HW_DECODE = 18;
141 /* Whether NV_dx_interop2 is supported, starting in 50; downloadable blocking in 58. */
142 const long FEATURE_DX_INTEROP2 = 19;
143 /* Whether the GPU process is supported, starting in 52; downloadable blocking in 58. */
144 const long FEATURE_GPU_PROCESS = 20;
145 /* Whether the WebGL2 is supported, starting in 54 */
146 const long FEATURE_WEBGL2 = 21;
147 /* Whether Advanced Layers is supported, starting in 56 */
148 const long FEATURE_ADVANCED_LAYERS = 22;
149 /* Whether D3D11 keyed mutex is supported, starting in 56 */
150 const long FEATURE_D3D11_KEYED_MUTEX = 23;
151 /* Whether WebRender is supported, starting in 62 */
152 const long FEATURE_WEBRENDER = 24;
153 /* Whether WebRender is supported, starting in 62 */
154 const long FEATURE_DX_NV12 = 25;
155 const long FEATURE_DX_P010 = 26;
156 const long FEATURE_DX_P016 = 27;
157 /* Whether OpenGL swizzle configuration of texture units is supported, starting in 70 */
158 const long FEATURE_GL_SWIZZLE = 28;
159 /* Whether WebRender native compositor is supported, starting in 73 */
160 const long FEATURE_WEBRENDER_COMPOSITOR = 29;
161 /* the maximum feature value. */
162 const long FEATURE_MAX_VALUE = FEATURE_WEBRENDER_COMPOSITOR;
165 * A set of return values from GetFeatureStatus
168 /* The driver is safe to the best of our knowledge */
169 const long FEATURE_STATUS_OK = 1;
170 /* We don't know the status of the feature yet. The analysis probably hasn't finished yet. */
171 const long FEATURE_STATUS_UNKNOWN = 2;
172 /* This feature is blocked on this driver version. Updating driver will typically unblock it. */
173 const long FEATURE_BLOCKED_DRIVER_VERSION = 3;
174 /* This feature is blocked on this device, regardless of driver version.
175 * Typically means we hit too many driver crashes without a good reason to hope for them to
176 * get fixed soon. */
177 const long FEATURE_BLOCKED_DEVICE = 4;
178 /* This feature is available and can be used, but is not suggested (e.g. shouldn't be used by default */
179 const long FEATURE_DISCOURAGED = 5;
180 /* This feature is blocked on this OS version. */
181 const long FEATURE_BLOCKED_OS_VERSION = 6;
182 /* This feature is blocked because of mismatched driver versions. */
183 const long FEATURE_BLOCKED_MISMATCHED_VERSION = 7;
184 /* This feature is blocked due to not being on the allowlist. */
185 const long FEATURE_DENIED = 8;
186 /* This feature is safe to be on this device due to the allowlist. */
187 const long FEATURE_ALLOW_ALWAYS = 9;
188 /* This feature is safe to be on this device due to the allowlist, depending on qualified/experiment status. */
189 const long FEATURE_ALLOW_QUALIFIED = 10;
192 * Ask about a feature, and return the status of that feature.
193 * If the feature is not ok then aFailureId will give a unique failure Id
194 * otherwise it will be empty.
196 long getFeatureStatus(in long aFeature, [optional] out ACString aFailureId);
199 * Ask about a feature, return the minimum driver version required for it if its status is
200 * FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string.
202 AString getFeatureSuggestedDriverVersion(in long aFeature);
204 // only useful on X11
205 [noscript, notxpcom] void GetData();
207 [implicit_jscontext]
208 jsval getInfo();
210 // Return an object describing all features that have been configured:
212 // "features": [
213 // // For each feature:
214 // {
215 // "name": <string>,
216 // "description": <string>,
217 // "status": <string>,
218 // "log": [
219 // // One or more log entries, the first denotes the default value.
220 // {
221 // "type": <string>, // "base", "user", "env", or "runtime"
222 // "status": <string>,
223 // "message": <string> // Set unless type is "base" and status is "available".
224 // }
225 // ]
226 // }
227 // ]
228 // "fallbacks": [
229 // // For each workaround:
230 // {
231 // "name:" <string>,
232 // "description": <string>,
233 // "message": <string>
234 // ]
235 // }
237 // When a message is prefixed with a '#', it is a special status code. Status
238 // codes are unique identifiers that can be searched in the codebase to find
239 // which line of code caused the message. Some codes are standardized to
240 // improve about:support messaging:
242 // "[CONTEXT_]FEATURE_FAILURE_BUG_<number>"
243 // CONTEXT is optional and can currently only be "BLOCKLIST".
244 // <number> refers to a bug number in Bugzilla.
246 [implicit_jscontext]
247 jsval getFeatureLog();
249 // Returns an object containing information about graphics features. It is
250 // intended to be directly included into the Telemetry environment.
252 // "layers":
253 // {
254 // "compositor": "d3d9", "d3d11", "opengl", "basic", or "none"
255 // // ("none" indicates no compositors have been created)
256 // // Feature is one of "d3d9", "d3d11", "opengl", "basic", or "d2d".
257 // "<feature>": {
258 // // Each backend can have one of the following statuses:
259 // // "unused" - This feature has not been requested.
260 // // "unavailable" - OS version or restriction prevents use.
261 // // "blocked" - An internal condition (such as safe mode) prevents use.
262 // // "blacklisted" - Blocked due to a blacklist restriction.
263 // // "denied" - Blocked due to allowlist restrictions.
264 // // "disabled" - User explicitly disabled this default feature.
265 // // "failed" - Feature failed to initialize.
266 // // "available" - User has this feature available by default.
267 // "status": "<status>",
268 // "version": "<version>",
269 // "warp": true|false, // D3D11 only.
270 // "textureSharing": true|false, // D3D11 only.
271 // }
272 // }
273 [implicit_jscontext]
274 jsval getFeatures();
276 // Returns an array listing any active crash guards.
278 // [
279 // {
280 // // Type is one of "d3d11layers", "d3d9video", "glcontext",
281 // // or "d3d11video".
282 // "type": "<identifier>",
284 // // Preference that must be deleted/reset to retrigger the guard.
285 // "prefName": "<preference>",
286 // }
287 // ]
288 [implicit_jscontext]
289 jsval getActiveCrashGuards();
291 // Forces the GPU process to start or shutdown. This is intended only for
292 // xpcshell-tests.
293 boolean controlGPUProcessForXPCShell(in boolean aEnable);