gfx/ipc/GPUChild.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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 #ifndef _include_mozilla_gfx_ipc_GPUChild_h_
   7 #define _include_mozilla_gfx_ipc_GPUChild_h_
   8
   9 #include "mozilla/RefPtr.h"
  10 #include "mozilla/UniquePtr.h"
  11 #include "mozilla/ipc/CrashReporterHelper.h"
  12 #include "mozilla/gfx/PGPUChild.h"
  13 #include "mozilla/gfx/gfxVarReceiver.h"
  14
  15 namespace mozilla {
  16
  17 namespace dom {
  18 class MemoryReportRequestHost;
  19 }  // namespace dom
  20 namespace gfx {
  21
  22 class GPUProcessHost;
  23
  24 class GPUChild final : public ipc::CrashReporterHelper<GeckoProcessType_GPU>,
  25                        public PGPUChild,
  26                        public gfxVarReceiver {
  27   typedef mozilla::dom::MemoryReportRequestHost MemoryReportRequestHost;
  28
  29  public:
  30   NS_INLINE_DECL_REFCOUNTING(GPUChild, final)
  31
  32   explicit GPUChild(GPUProcessHost* aHost);
  33
  34   void Init();
  35
  36   bool EnsureGPUReady();
  37   void MarkWaitForVarUpdate() { mWaitForVarUpdate = true; }
  38
  39   // Notifies that an unexpected GPU process shutdown has been noticed by a
  40   // different IPDL actor, and the GPU process is being torn down as a result.
  41   // ActorDestroy may receive either NormalShutdown or AbnormalShutdown as a
  42   // reason, depending on timings, but either way we treat the shutdown as
  43   // abnormal.
  44   void OnUnexpectedShutdown();
  45
  46   // gfxVarReceiver overrides.
  47   void OnVarChanged(const GfxVarUpdate& aVar) override;
  48
  49   // PGPUChild overrides.
  50   mozilla::ipc::IPCResult RecvInitComplete(const GPUDeviceData& aData);
  51   mozilla::ipc::IPCResult RecvDeclareStable();
  52   mozilla::ipc::IPCResult RecvReportCheckerboard(const uint32_t& aSeverity,
  53                                                  const nsCString& aLog);
  54   mozilla::ipc::IPCResult RecvCreateVRProcess();
  55   mozilla::ipc::IPCResult RecvShutdownVRProcess();
  56
  57   mozilla::ipc::IPCResult RecvAccumulateChildHistograms(
  58       nsTArray<HistogramAccumulation>&& aAccumulations);
  59   mozilla::ipc::IPCResult RecvAccumulateChildKeyedHistograms(
  60       nsTArray<KeyedHistogramAccumulation>&& aAccumulations);
  61   mozilla::ipc::IPCResult RecvUpdateChildScalars(
  62       nsTArray<ScalarAction>&& aScalarActions);
  63   mozilla::ipc::IPCResult RecvUpdateChildKeyedScalars(
  64       nsTArray<KeyedScalarAction>&& aScalarActions);
  65   mozilla::ipc::IPCResult RecvRecordChildEvents(
  66       nsTArray<ChildEventData>&& events);
  67   mozilla::ipc::IPCResult RecvRecordDiscardedData(
  68       const DiscardedData& aDiscardedData);
  69
  70   void ActorDestroy(ActorDestroyReason aWhy) override;
  71   mozilla::ipc::IPCResult RecvGraphicsError(const nsCString& aError);
  72   mozilla::ipc::IPCResult RecvNotifyUiObservers(const nsCString& aTopic);
  73   mozilla::ipc::IPCResult RecvNotifyDeviceReset(const GPUDeviceData& aData);
  74   mozilla::ipc::IPCResult RecvNotifyOverlayInfo(const OverlayInfo aInfo);
  75   mozilla::ipc::IPCResult RecvNotifySwapChainInfo(const SwapChainInfo aInfo);
  76   mozilla::ipc::IPCResult RecvNotifyDisableRemoteCanvas();
  77   mozilla::ipc::IPCResult RecvFlushMemory(const nsString& aReason);
  78   mozilla::ipc::IPCResult RecvAddMemoryReport(const MemoryReport& aReport);
  79   mozilla::ipc::IPCResult RecvUpdateFeature(const Feature& aFeature,
  80                                             const FeatureFailure& aChange);
  81   mozilla::ipc::IPCResult RecvUsedFallback(const Fallback& aFallback,
  82                                            const nsCString& aMessage);
  83   mozilla::ipc::IPCResult RecvBHRThreadHang(const HangDetails& aDetails);
  84   mozilla::ipc::IPCResult RecvUpdateMediaCodecsSupported(
  85       const media::MediaCodecsSupported& aSupported);
  86   mozilla::ipc::IPCResult RecvFOGData(ByteBuf&& aBuf);
  87
  88   bool SendRequestMemoryReport(const uint32_t& aGeneration,
  89                                const bool& aAnonymize,
  90                                const bool& aMinimizeMemoryUsage,
  91                                const Maybe<ipc::FileDescriptor>& aDMDFile);
  92
  93   static void Destroy(RefPtr<GPUChild>&& aChild);
  94
  95  private:
  96   virtual ~GPUChild();
  97
  98   GPUProcessHost* mHost;
  99   UniquePtr<MemoryReportRequestHost> mMemoryReportRequest;
 100   bool mGPUReady;
 101   bool mWaitForVarUpdate = false;
 102   bool mUnexpectedShutdown = false;
 103 };
 104
 105 }  // namespace gfx
 106 }  // namespace mozilla
 107
 108 #endif  // _include_mozilla_gfx_ipc_GPUChild_h_