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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef _include_mozilla_gfx_ipc_GPUChild_h_
#define _include_mozilla_gfx_ipc_GPUChild_h_
#include "mozilla/RefPtr.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/ipc/CrashReporterHelper.h"
#include "mozilla/gfx/PGPUChild.h"
#include "mozilla/gfx/gfxVarReceiver.h"
namespace mozilla {
namespace dom {
class MemoryReportRequestHost;
} // namespace dom
namespace gfx {
class GPUProcessHost;
class GPUChild final : public mozilla::ipc::CrashReporterHelper<GPUChild>,
public PGPUChild,
public gfxVarReceiver {
typedef mozilla::dom::MemoryReportRequestHost MemoryReportRequestHost;
public:
static constexpr GeckoProcessType PROCESS_TYPE = GeckoProcessType_GPU;
NS_INLINE_DECL_REFCOUNTING(GPUChild, final)
explicit GPUChild(GPUProcessHost* aHost);
using InitPromiseType = MozPromise<Ok, Ok, true>;
RefPtr<InitPromiseType> Init();
bool IsGPUReady() const { return mGPUReady; }
bool EnsureGPUReady(bool aForceSync = false);
// Notifies that an unexpected GPU process shutdown has been noticed by a
// different IPDL actor, and the GPU process is being torn down as a result.
// ActorDestroy may receive either NormalShutdown or AbnormalShutdown as a
// reason, depending on timings, but either way we treat the shutdown as
// abnormal.
void OnUnexpectedShutdown();
// Generates a minidump for the GPU process paired with one for the main
// process. Called prior to force-killing the process.
void GeneratePairedMinidump();
// Deletes a minidump created with GeneratePairedMinidump(). Should be called
// if killing the process fails after generating the minidump.
void DeletePairedMinidump();
// gfxVarReceiver overrides.
void OnVarChanged(const nsTArray<GfxVarUpdate>& aVar) override;
// PGPUChild overrides.
mozilla::ipc::IPCResult RecvDeclareStable();
mozilla::ipc::IPCResult RecvReportCheckerboard(const uint32_t& aSeverity,
const nsCString& aLog);
mozilla::ipc::IPCResult RecvCreateVRProcess();
mozilla::ipc::IPCResult RecvShutdownVRProcess();
mozilla::ipc::IPCResult RecvAccumulateChildHistograms(
nsTArray<HistogramAccumulation>&& aAccumulations);
mozilla::ipc::IPCResult RecvAccumulateChildKeyedHistograms(
nsTArray<KeyedHistogramAccumulation>&& aAccumulations);
mozilla::ipc::IPCResult RecvUpdateChildScalars(
nsTArray<ScalarAction>&& aScalarActions);
mozilla::ipc::IPCResult RecvUpdateChildKeyedScalars(
nsTArray<KeyedScalarAction>&& aScalarActions);
mozilla::ipc::IPCResult RecvRecordChildEvents(
nsTArray<ChildEventData>&& events);
mozilla::ipc::IPCResult RecvRecordDiscardedData(
const DiscardedData& aDiscardedData);
void ActorDestroy(ActorDestroyReason aWhy) override;
mozilla::ipc::IPCResult RecvGraphicsError(const nsCString& aError);
mozilla::ipc::IPCResult RecvNotifyUiObservers(const nsCString& aTopic);
mozilla::ipc::IPCResult RecvNotifyDeviceReset(
const GPUDeviceData& aData, const DeviceResetReason& aReason,
const DeviceResetDetectPlace& aPlace);
mozilla::ipc::IPCResult RecvNotifyOverlayInfo(const OverlayInfo aInfo);
mozilla::ipc::IPCResult RecvNotifySwapChainInfo(const SwapChainInfo aInfo);
mozilla::ipc::IPCResult RecvNotifyDisableRemoteCanvas();
mozilla::ipc::IPCResult RecvFlushMemory(const nsString& aReason);
mozilla::ipc::IPCResult RecvAddMemoryReport(const MemoryReport& aReport);
mozilla::ipc::IPCResult RecvUpdateFeature(const Feature& aFeature,
const FeatureFailure& aChange);
mozilla::ipc::IPCResult RecvUsedFallback(const Fallback& aFallback,
const nsCString& aMessage);
mozilla::ipc::IPCResult RecvBHRThreadHang(const HangDetails& aDetails);
mozilla::ipc::IPCResult RecvUpdateMediaCodecsSupported(
const media::MediaCodecsSupported& aSupported);
mozilla::ipc::IPCResult RecvFOGData(ByteBuf&& aBuf);
bool SendRequestMemoryReport(const uint32_t& aGeneration,
const bool& aAnonymize,
const bool& aMinimizeMemoryUsage,
const Maybe<ipc::FileDescriptor>& aDMDFile);
static void Destroy(RefPtr<GPUChild>&& aChild);
private:
virtual ~GPUChild();
void OnInitComplete(const GPUDeviceData& aData);
GPUProcessHost* mHost;
UniquePtr<MemoryReportRequestHost> mMemoryReportRequest;
bool mGPUReady;
bool mUnexpectedShutdown = false;
// Whether a paired minidump has already been generated, meaning we do not
// need to create a crash report in ActorDestroy().
bool mCreatedPairedMinidumps = false;
// The number of paired minidumps that have been created during this session.
// Used to ensure we do not accumulate a large number of minidumps on disk
// that may never be submitted.
int mNumPairedMinidumpsCreated = 0;
};
} // namespace gfx
} // namespace mozilla
#endif // _include_mozilla_gfx_ipc_GPUChild_h_
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