1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/* -*- Mode: C++; tab-width: 8; 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 GraphicsMessages;
include MemoryReportTypes;
include HangTypes;
include PrefsTypes;
include protocol PAPZInputBridge;
include protocol PCompositorManager;
include protocol PImageBridge;
include protocol PProfiler;
include protocol PVRGPU;
include protocol PVRManager;
include protocol PVideoBridge;
include protocol PVsyncBridge;
include protocol PUiCompositorController;
include protocol PRemoteDecoderManager;
#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
include protocol PSandboxTesting;
#endif
include "mozilla/ipc/ByteBufUtils.h";
include "mozilla/layers/LayersMessageUtils.h";
using base::ProcessId from "base/process.h";
using mozilla::dom::ContentParentId from "mozilla/dom/ipc/IdType.h";
using mozilla::dom::NativeThreadId from "mozilla/dom/NativeThreadId.h";
using mozilla::Telemetry::HistogramAccumulation from "mozilla/TelemetryComms.h";
using mozilla::Telemetry::KeyedHistogramAccumulation from "mozilla/TelemetryComms.h";
using mozilla::Telemetry::ScalarAction from "mozilla/TelemetryComms.h";
using mozilla::Telemetry::KeyedScalarAction from "mozilla/TelemetryComms.h";
using mozilla::Telemetry::ChildEventData from "mozilla/TelemetryComms.h";
using mozilla::Telemetry::DiscardedData from "mozilla/TelemetryComms.h";
using mozilla::gfx::Feature from "gfxFeature.h";
using mozilla::gfx::Fallback from "gfxFallback.h";
using mozilla::layers::LayersId from "mozilla/layers/LayersTypes.h";
using mozilla::layers::OverlayInfo from "mozilla/layers/OverlayInfo.h";
using mozilla::layers::SwapChainInfo from "mozilla/layers/OverlayInfo.h";
using mozilla::media::MediaCodecsSupported from "MediaCodecsSupport.h";
using mozilla::layers::VideoBridgeSource from "mozilla/layers/VideoBridgeUtils.h";
namespace mozilla {
namespace gfx {
struct LayerTreeIdMapping {
LayersId layersId;
ProcessId ownerId;
};
// This protocol allows the UI process to talk to the GPU process. There is one
// instance of this protocol, with the GPUParent living on the main thread of
// the GPU process and the GPUChild living on the main thread of the UI process.
[NeedsOtherPid, ParentProc=GPU, ChildProc=Parent]
sync protocol PGPU
{
parent:
// Sent by the UI process to initiate core settings.
async Init(GfxVarUpdate[] vars,
DevicePrefs devicePrefs,
LayerTreeIdMapping[] mapping,
GfxInfoFeatureStatus[] features,
uint32_t wrNamespace);
async InitCompositorManager(Endpoint<PCompositorManagerParent> endpoint, uint32_t aNamespace);
async InitVsyncBridge(Endpoint<PVsyncBridgeParent> endpoint);
async InitImageBridge(Endpoint<PImageBridgeParent> endpoint);
async InitVideoBridge(Endpoint<PVideoBridgeParent> endpoint, VideoBridgeSource aSource);
async InitVRManager(Endpoint<PVRManagerParent> endpoint);
async InitUiCompositorController(LayersId rootLayerTreeId, Endpoint<PUiCompositorControllerParent> endpoint);
async InitAPZInputBridge(LayersId layersId,
Endpoint<PAPZInputBridgeParent> endpoint);
async InitProfiler(Endpoint<PProfilerChild> endpoint);
// Forward GPU process its endpoints to the VR process.
async InitVR(Endpoint<PVRGPUChild> endpoint);
// Called to update a gfx variable.
async UpdateVar(GfxVarUpdate var);
async PreferenceUpdate(Pref pref);
// Create a new content-process compositor bridge.
async NewContentCompositorManager(Endpoint<PCompositorManagerParent> endpoint, ContentParentId childId, uint32_t aNamespace);
async NewContentImageBridge(Endpoint<PImageBridgeParent> endpoint, ContentParentId childId);
async NewContentVRManager(Endpoint<PVRManagerParent> endpoint, ContentParentId childId);
async NewContentRemoteDecoderManager(Endpoint<PRemoteDecoderManagerParent> endpoint, ContentParentId childId);
// Called to notify the GPU process of who owns a layersId.
sync AddLayerTreeIdMapping(LayerTreeIdMapping mapping);
async RemoveLayerTreeIdMapping(LayerTreeIdMapping mapping);
// Request the current DeviceStatus from the GPU process. This blocks until
// one is available (i.e., Init has completed).
sync GetDeviceStatus() returns (GPUDeviceData status);
// Request to simulate device reset and to get the updated DeviceStatus from
// the GPU process. This blocks until one is available (i.e., Init has completed).
async SimulateDeviceReset();
// Have a message be broadcasted to the GPU process by the GPU process
// observer service.
async NotifyGpuObservers(nsCString aTopic);
async RequestMemoryReport(uint32_t generation,
bool anonymize,
bool minimizeMemoryUsage,
FileDescriptor? DMDFile)
returns (uint32_t aGeneration);
async ShutdownVR();
// Functions supporting PerfStats data collection.
async UpdatePerfStatsCollectionMask(uint64_t aMask);
async CollectPerfStatsJSON() returns (nsCString aStats);
#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
async InitSandboxTesting(Endpoint<PSandboxTestingChild> aEndpoint);
#endif
// Tells the gpu process to flush any pending telemetry.
// Used in tests and ping assembly. Buffer contains bincoded Rust structs.
// https://firefox-source-docs.mozilla.org/toolkit/components/glean/dev/ipc.html
async FlushFOGData() returns (ByteBuf buf);
// Test-only method.
// Asks the gpu process to trigger test-only instrumentation.
// The unused returned value is to have a promise we can await.
async TestTriggerMetrics() returns (bool unused);
// Causes the GPU process to crash. Used for tests and diagnostics.
async CrashProcess();
child:
// Sent when the GPU process has initialized devices. This occurs once, after
// Init().
async InitComplete(GPUDeviceData data);
// Sent when APZ detects checkerboarding and apz checkerboard reporting is enabled.
async ReportCheckerboard(uint32_t severity, nsCString log);
// Graphics errors, analogous to PContent::GraphicsError
async GraphicsError(nsCString aError);
async InitCrashReporter(NativeThreadId threadId);
async CreateVRProcess();
async ShutdownVRProcess();
// Have a message be broadcasted to the UI process by the UI process
// observer service.
async NotifyUiObservers(nsCString aTopic);
// Messages for reporting telemetry to the UI process.
async AccumulateChildHistograms(HistogramAccumulation[] accumulations);
async AccumulateChildKeyedHistograms(KeyedHistogramAccumulation[] accumulations);
async UpdateChildScalars(ScalarAction[] actions);
async UpdateChildKeyedScalars(KeyedScalarAction[] actions);
async RecordChildEvents(ChildEventData[] events);
async RecordDiscardedData(DiscardedData data);
async DeclareStable();
async NotifyDeviceReset(GPUDeviceData status);
async NotifyOverlayInfo(OverlayInfo info);
async NotifySwapChainInfo(SwapChainInfo info);
async NotifyDisableRemoteCanvas();
async FlushMemory(nsString reason);
async AddMemoryReport(MemoryReport aReport);
// Update the UI process after a feature's status has changed. This is used
// outside of the normal startup flow.
async UpdateFeature(Feature aFeature, FeatureFailure aChange);
// Notify about:support/Telemetry that a fallback occurred.
async UsedFallback(Fallback aFallback, nsCString message);
async BHRThreadHang(HangDetails aDetails);
// Update the cached list of codec supported following a check in the
// GPU parent.
async UpdateMediaCodecsSupported(MediaCodecsSupported aSupported);
// Sent from time-to-time to limit the amount of telemetry vulnerable to loss
// Buffer contains bincoded Rust structs.
// https://firefox-source-docs.mozilla.org/toolkit/components/glean/dev/ipc.html
async FOGData(ByteBuf buf);
};
} // namespace gfx
} // namespace mozilla
|
