161 lines
5.5 KiB
C++
161 lines
5.5 KiB
C++
/* -*- 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 MOZILLA_GFX_SHAREDSURFACESPARENT_H
|
|
#define MOZILLA_GFX_SHAREDSURFACESPARENT_H
|
|
|
|
#include <stdint.h> // for uint32_t
|
|
#include "mozilla/Attributes.h" // for override
|
|
#include "mozilla/StaticMutex.h" // for StaticMutex
|
|
#include "mozilla/StaticPtr.h" // for StaticAutoPtr
|
|
#include "mozilla/RefPtr.h" // for already_AddRefed
|
|
#include "mozilla/gfx/2D.h" // for SurfaceFormat
|
|
#include "mozilla/gfx/Point.h" // for IntSize
|
|
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptorShared
|
|
#include "mozilla/layers/SourceSurfaceSharedData.h"
|
|
#include "mozilla/webrender/WebRenderTypes.h" // for wr::ExternalImageId
|
|
#include "nsExpirationTracker.h"
|
|
#include "nsRefPtrHashtable.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
class DataSourceSurface;
|
|
} // namespace gfx
|
|
|
|
namespace layers {
|
|
|
|
class CompositorManagerParent;
|
|
class SharedSurfacesMemoryReport;
|
|
|
|
class SharedSurfacesParent final {
|
|
public:
|
|
static void Initialize();
|
|
static void ShutdownRenderThread();
|
|
static void Shutdown();
|
|
|
|
// Get without increasing the consumer count.
|
|
static already_AddRefed<gfx::DataSourceSurface> Get(
|
|
const wr::ExternalImageId& aId);
|
|
|
|
// Get but also increase the consumer count. Must call Release after finished.
|
|
static already_AddRefed<gfx::DataSourceSurface> Acquire(
|
|
const wr::ExternalImageId& aId);
|
|
|
|
static bool Release(const wr::ExternalImageId& aId, bool aForCreator = false);
|
|
|
|
static void Add(const wr::ExternalImageId& aId,
|
|
SurfaceDescriptorShared&& aDesc, base::ProcessId aPid);
|
|
|
|
static void Remove(const wr::ExternalImageId& aId);
|
|
|
|
static void RemoveAll(uint32_t aNamespace);
|
|
|
|
static void AccumulateMemoryReport(uint32_t aNamespace,
|
|
SharedSurfacesMemoryReport& aReport);
|
|
|
|
static bool AccumulateMemoryReport(SharedSurfacesMemoryReport& aReport);
|
|
|
|
static void AddTracking(gfx::SourceSurfaceSharedDataWrapper* aSurface);
|
|
|
|
static void RemoveTracking(gfx::SourceSurfaceSharedDataWrapper* aSurface);
|
|
|
|
static bool AgeOneGeneration(
|
|
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired);
|
|
|
|
static bool AgeAndExpireOneGeneration();
|
|
|
|
private:
|
|
friend class CompositorManagerParent;
|
|
friend class gfx::SourceSurfaceSharedDataWrapper;
|
|
|
|
SharedSurfacesParent();
|
|
|
|
static void AddSameProcess(const wr::ExternalImageId& aId,
|
|
gfx::SourceSurfaceSharedData* aSurface);
|
|
|
|
static void AddTrackingLocked(gfx::SourceSurfaceSharedDataWrapper* aSurface,
|
|
const StaticMutexAutoLock& aAutoLock);
|
|
|
|
static void RemoveTrackingLocked(
|
|
gfx::SourceSurfaceSharedDataWrapper* aSurface,
|
|
const StaticMutexAutoLock& aAutoLock);
|
|
|
|
static bool AgeOneGenerationLocked(
|
|
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired,
|
|
const StaticMutexAutoLock& aAutoLock);
|
|
|
|
static void ExpireMap(
|
|
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired);
|
|
|
|
static StaticMutex sMutex MOZ_UNANNOTATED;
|
|
|
|
static StaticAutoPtr<SharedSurfacesParent> sInstance;
|
|
|
|
nsRefPtrHashtable<nsUint64HashKey, gfx::SourceSurfaceSharedDataWrapper>
|
|
mSurfaces;
|
|
|
|
class MappingTracker final
|
|
: public ExpirationTrackerImpl<gfx::SourceSurfaceSharedDataWrapper, 4,
|
|
StaticMutex, StaticMutexAutoLock> {
|
|
public:
|
|
explicit MappingTracker(uint32_t aExpirationTimeoutMS,
|
|
nsIEventTarget* aEventTarget)
|
|
: ExpirationTrackerImpl<gfx::SourceSurfaceSharedDataWrapper, 4,
|
|
StaticMutex, StaticMutexAutoLock>(
|
|
aExpirationTimeoutMS, "SharedMappingTracker", aEventTarget) {}
|
|
|
|
void TakeExpired(
|
|
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>>& aExpired,
|
|
const StaticMutexAutoLock& aAutoLock);
|
|
|
|
protected:
|
|
void NotifyExpiredLocked(gfx::SourceSurfaceSharedDataWrapper* aSurface,
|
|
const StaticMutexAutoLock& aAutoLock) override;
|
|
|
|
void NotifyHandlerEndLocked(const StaticMutexAutoLock& aAutoLock) override {
|
|
}
|
|
|
|
void NotifyHandlerEnd() override;
|
|
|
|
StaticMutex& GetMutex() override { return sMutex; }
|
|
|
|
nsTArray<RefPtr<gfx::SourceSurfaceSharedDataWrapper>> mExpired;
|
|
};
|
|
|
|
MappingTracker mTracker;
|
|
};
|
|
|
|
/**
|
|
* Helper class that is used to keep SourceSurfaceSharedDataWrapper objects
|
|
* around as long as one of the dependent IPDL actors is still alive and may
|
|
* reference them for a given PCompositorManager namespace.
|
|
*/
|
|
class SharedSurfacesHolder final {
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SharedSurfacesHolder)
|
|
|
|
public:
|
|
explicit SharedSurfacesHolder(uint32_t aNamespace) : mNamespace(aNamespace) {}
|
|
|
|
already_AddRefed<gfx::DataSourceSurface> Get(const wr::ExternalImageId& aId) {
|
|
uint32_t extNamespace = static_cast<uint32_t>(wr::AsUint64(aId) >> 32);
|
|
if (NS_WARN_IF(extNamespace != mNamespace)) {
|
|
MOZ_ASSERT_UNREACHABLE("Wrong namespace?");
|
|
return nullptr;
|
|
}
|
|
|
|
return SharedSurfacesParent::Get(aId);
|
|
}
|
|
|
|
private:
|
|
~SharedSurfacesHolder() { SharedSurfacesParent::RemoveAll(mNamespace); }
|
|
|
|
uint32_t mNamespace;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif
|