Bug 1734943 [wpt PR 31170] - Correct scrolling contents cull rect, a=testonly
[gecko.git] / widget / nsIGfxInfo.idl
bloba2c0143bcee54a1f354cbcb98d27b97b4a5c8169
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 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;
27 * These are non-Android linux-specific
29 readonly attribute AString windowProtocol;
30 readonly attribute AString desktopEnvironment;
31 readonly attribute AString testType;
34 * These are valid across all platforms.
36 readonly attribute AString ContentBackend;
37 readonly attribute boolean WebRenderEnabled;
38 readonly attribute boolean isHeadless;
39 readonly attribute boolean UsesTiling;
40 readonly attribute unsigned long TargetFrameRate;
42 // XXX: Switch to a list of devices, rather than explicitly numbering them.
44 /**
45 * The name of the display adapter.
47 readonly attribute AString adapterDescription;
48 readonly attribute AString adapterDescription2;
50 readonly attribute AString adapterDriver;
51 readonly attribute AString adapterDriver2;
53 /* These types are inspired by DXGI_ADAPTER_DESC */
54 readonly attribute AString adapterVendorID;
55 readonly attribute AString adapterVendorID2;
57 readonly attribute AString adapterDeviceID;
58 readonly attribute AString adapterDeviceID2;
60 readonly attribute AString adapterSubsysID;
61 readonly attribute AString adapterSubsysID2;
63 /**
64 * The amount of RAM in MB in the display adapter.
66 readonly attribute unsigned long adapterRAM;
67 readonly attribute unsigned long adapterRAM2;
69 readonly attribute AString adapterDriverVendor;
70 readonly attribute AString adapterDriverVendor2;
72 readonly attribute AString adapterDriverVersion;
73 readonly attribute AString adapterDriverVersion2;
75 readonly attribute AString adapterDriverDate;
76 readonly attribute AString adapterDriverDate2;
78 readonly attribute boolean isGPU2Active;
80 readonly attribute ACString drmRenderDevice;
82 /**
83 * Information about display devices
85 readonly attribute Array<AString> displayInfo;
86 readonly attribute Array<unsigned long> displayWidth;
87 readonly attribute Array<unsigned long> displayHeight;
89 /**
90 * Returns an array of objects describing each monitor. Guaranteed properties
91 * are "screenWidth" and "screenHeight". This is only implemented on Desktop.
93 * Windows additionally supplies "refreshRate" and "pseudoDisplay".
95 * OS X additionally supplies "scale".
97 [implicit_jscontext]
98 jsval getMonitors();
100 void refreshMonitors();
102 Array<ACString> getFailures(out Array<long> indices);
104 [noscript, notxpcom] void logFailure(in ACString failure);
106 * A set of constants for features that we can ask this GfxInfo object
107 * about via GetFeatureStatus
109 /* Don't assign any value <= 0 */
110 /* Values must be contiguous */
111 /* Whether Direct2D is supported for content rendering. */
112 const long FEATURE_DIRECT2D = 1;
113 /* Whether Direct3D 9 is supported for layers. */
114 const long FEATURE_DIRECT3D_9_LAYERS = 2;
115 /* Whether Direct3D 10.0 is supported for layers. */
116 const long FEATURE_DIRECT3D_10_LAYERS = 3;
117 /* Whether Direct3D 10.1 is supported for layers. */
118 const long FEATURE_DIRECT3D_10_1_LAYERS = 4;
119 /* Whether OpenGL is supported for layers */
120 const long FEATURE_OPENGL_LAYERS = 5;
121 /* Whether WebGL is supported via OpenGL. */
122 const long FEATURE_WEBGL_OPENGL = 6;
123 /* Whether WebGL is supported via ANGLE (D3D9 -- does not check for the presence of ANGLE libs). */
124 const long FEATURE_WEBGL_ANGLE = 7;
125 /* (Unused) Whether WebGL antialiasing is supported. */
126 const long UNUSED_FEATURE_WEBGL_MSAA = 8;
127 /* Whether Stagefright is supported, starting in 17. */
128 const long FEATURE_STAGEFRIGHT = 9;
129 /* Whether Webrtc Hardware H.264 acceleration is supported, starting in 71. */
130 const long FEATURE_WEBRTC_HW_ACCELERATION_H264 = 10;
131 /* Whether Direct3D 11 is supported for layers, starting in 32. */
132 const long FEATURE_DIRECT3D_11_LAYERS = 11;
133 /* Whether hardware accelerated video decoding is supported, starting in 36. */
134 const long FEATURE_HARDWARE_VIDEO_DECODING = 12;
135 /* Whether Direct3D 11 is supported for ANGLE, starting in 38. */
136 const long FEATURE_DIRECT3D_11_ANGLE = 13;
137 /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
138 const long FEATURE_WEBRTC_HW_ACCELERATION_ENCODE = 14;
139 /* Whether Webrtc Hardware acceleration is supported, starting in 42. */
140 const long FEATURE_WEBRTC_HW_ACCELERATION_DECODE = 15;
141 /* Whether Canvas acceleration is supported, starting in 45 */
142 const long FEATURE_CANVAS2D_ACCELERATION = 16;
143 /* Whether hardware VP8 decoding is supported, starting in 48; not for downloadable blocking. */
144 const long FEATURE_VP8_HW_DECODE = 17;
145 /* Whether hardware VP9 decoding is supported, starting in 48; not for downloadable blocking. */
146 const long FEATURE_VP9_HW_DECODE = 18;
147 /* Whether NV_dx_interop2 is supported, starting in 50; downloadable blocking in 58. */
148 const long FEATURE_DX_INTEROP2 = 19;
149 /* Whether the GPU process is supported, starting in 52; downloadable blocking in 58. */
150 const long FEATURE_GPU_PROCESS = 20;
151 /* Whether the WebGL2 is supported, starting in 54 */
152 const long FEATURE_WEBGL2 = 21;
153 /* Whether D3D11 keyed mutex is supported, starting in 56 */
154 const long FEATURE_D3D11_KEYED_MUTEX = 22;
155 /* Whether WebRender is supported, starting in 62 */
156 const long FEATURE_WEBRENDER = 23;
157 /* Whether WebRender is supported, starting in 62 */
158 const long FEATURE_DX_NV12 = 24;
159 const long FEATURE_DX_P010 = 25;
160 const long FEATURE_DX_P016 = 26;
161 /* Whether OpenGL swizzle configuration of texture units is supported, starting in 70 */
162 const long FEATURE_GL_SWIZZLE = 27;
163 /* Whether WebRender native compositor is supported, starting in 73 */
164 const long FEATURE_WEBRENDER_COMPOSITOR = 28;
165 /* Whether WebRender can use scissored clears for cached surfaces, staring in 79 */
166 const long FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS = 29;
167 /* Support webgl.out-of-process: true (starting in 83) */
168 const long FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS = 30;
169 /* Is OpenGL threadsafe (starting in 83) */
170 const long FEATURE_THREADSAFE_GL = 31;
171 /* Whether webrender uses pre-optimized shaders, starting in 87. */
172 const long FEATURE_WEBRENDER_OPTIMIZED_SHADERS = 32;
173 /* Whether we prefer EGL over GLX with X11, starting in 88. */
174 const long FEATURE_X11_EGL = 33;
175 /* Whether DMABUF is supported, starting in 88. */
176 const long FEATURE_DMABUF = 34;
177 /* Whether webrender caches shader program binaries to disk, starting in 89. */
178 const long FEATURE_WEBRENDER_SHADER_CACHE = 35;
179 /* the maximum feature value. */
180 const long FEATURE_MAX_VALUE = FEATURE_WEBRENDER_SHADER_CACHE;
183 * A set of return values from GetFeatureStatus
186 /* The driver is safe to the best of our knowledge */
187 const long FEATURE_STATUS_OK = 1;
188 /* We don't know the status of the feature yet. The analysis probably hasn't finished yet. */
189 const long FEATURE_STATUS_UNKNOWN = 2;
190 /* This feature is blocked on this driver version. Updating driver will typically unblock it. */
191 const long FEATURE_BLOCKED_DRIVER_VERSION = 3;
192 /* This feature is blocked on this device, regardless of driver version.
193 * Typically means we hit too many driver crashes without a good reason to hope for them to
194 * get fixed soon. */
195 const long FEATURE_BLOCKED_DEVICE = 4;
196 /* This feature is available and can be used, but is not suggested (e.g. shouldn't be used by default */
197 const long FEATURE_DISCOURAGED = 5;
198 /* This feature is blocked on this OS version. */
199 const long FEATURE_BLOCKED_OS_VERSION = 6;
200 /* This feature is blocked because of mismatched driver versions. */
201 const long FEATURE_BLOCKED_MISMATCHED_VERSION = 7;
202 /* This feature is blocked due to not being on the allowlist. */
203 const long FEATURE_DENIED = 8;
204 /* This feature is safe to be on this device due to the allowlist. */
205 const long FEATURE_ALLOW_ALWAYS = 9;
206 /* This feature is safe to be on this device due to the allowlist, depending on qualified/experiment status. */
207 const long FEATURE_ALLOW_QUALIFIED = 10;
210 * Ask about a feature, and return the status of that feature.
211 * If the feature is not ok then aFailureId will give a unique failure Id
212 * otherwise it will be empty.
214 long getFeatureStatus(in long aFeature, [optional] out ACString aFailureId);
217 * Ask about a feature, return the minimum driver version required for it if its status is
218 * FEATURE_BLOCKED_DRIVER_VERSION, otherwise return an empty string.
220 AString getFeatureSuggestedDriverVersion(in long aFeature);
222 // only useful on X11
223 [noscript, notxpcom] void GetData();
226 * Maximum refresh rate among detected monitors. -1 if unknown. aMixed is set
227 * to true if we know there are multiple displays and they have different
228 * refresh rates, else false.
230 [noscript, notxpcom] long GetMaxRefreshRate(out boolean aMixed);
232 [implicit_jscontext]
233 jsval getInfo();
235 // Return an object describing all features that have been configured:
237 // "features": [
238 // // For each feature:
239 // {
240 // "name": <string>,
241 // "description": <string>,
242 // "status": <string>,
243 // "log": [
244 // // One or more log entries, the first denotes the default value.
245 // {
246 // "type": <string>, // "base", "user", "env", or "runtime"
247 // "status": <string>,
248 // "message": <string> // Set unless type is "base" and status is "available".
249 // }
250 // ]
251 // }
252 // ]
253 // "fallbacks": [
254 // // For each workaround:
255 // {
256 // "name:" <string>,
257 // "description": <string>,
258 // "message": <string>
259 // ]
260 // }
262 // When a message is prefixed with a '#', it is a special status code. Status
263 // codes are unique identifiers that can be searched in the codebase to find
264 // which line of code caused the message. Some codes are standardized to
265 // improve about:support messaging:
267 // "[CONTEXT_]FEATURE_FAILURE_BUG_<number>"
268 // CONTEXT is optional and can currently only be "BLOCKLIST".
269 // <number> refers to a bug number in Bugzilla.
271 [implicit_jscontext]
272 jsval getFeatureLog();
274 // Returns an object containing information about graphics features. It is
275 // intended to be directly included into the Telemetry environment.
277 // "layers":
278 // {
279 // "compositor": "d3d9", "d3d11", "opengl", "basic", or "none"
280 // // ("none" indicates no compositors have been created)
281 // // Feature is one of "d3d9", "d3d11", "opengl", "basic", or "d2d".
282 // "<feature>": {
283 // // Each backend can have one of the following statuses:
284 // // "unused" - This feature has not been requested.
285 // // "unavailable" - OS version or restriction prevents use.
286 // // "blocked" - An internal condition (such as safe mode) prevents use.
287 // // "blocklisted" - Blocked due to a blocklist restriction.
288 // // "denied" - Blocked due to allowlist restrictions.
289 // // "disabled" - User explicitly disabled this default feature.
290 // // "failed" - Feature failed to initialize.
291 // // "available" - User has this feature available by default.
292 // "status": "<status>",
293 // "version": "<version>",
294 // "warp": true|false, // D3D11 only.
295 // "textureSharing": true|false, // D3D11 only.
296 // }
297 // }
298 [implicit_jscontext]
299 jsval getFeatures();
301 // Returns an array listing any active crash guards.
303 // [
304 // {
305 // // Type is one of "d3d11layers", or "glcontext".
306 // "type": "<identifier>",
308 // // Preference that must be deleted/reset to retrigger the guard.
309 // "prefName": "<preference>",
310 // }
311 // ]
312 [implicit_jscontext]
313 jsval getActiveCrashGuards();
315 // Forces the GPU process to start or shutdown. This is intended only for
316 // xpcshell-tests.
317 boolean controlGPUProcessForXPCShell(in boolean aEnable);