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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/. */
#include "CompositeProcessD3D11FencesHolderMap.h"
#include "mozilla/layers/FenceD3D11.h"
#include "nsXULAppAPI.h"
namespace mozilla {
namespace layers {
StaticAutoPtr<CompositeProcessD3D11FencesHolderMap>
CompositeProcessD3D11FencesHolderMap::sInstance;
/* static */
void CompositeProcessD3D11FencesHolderMap::Init() {
MOZ_ASSERT(XRE_IsGPUProcess() || XRE_IsParentProcess());
sInstance = new CompositeProcessD3D11FencesHolderMap();
}
/* static */
void CompositeProcessD3D11FencesHolderMap::Shutdown() {
MOZ_ASSERT(XRE_IsGPUProcess() || XRE_IsParentProcess());
sInstance = nullptr;
}
CompositeProcessD3D11FencesHolderMap::CompositeProcessD3D11FencesHolderMap()
: mMonitor("CompositeProcessD3D11FencesHolderMap::mMonitor") {}
CompositeProcessD3D11FencesHolderMap::~CompositeProcessD3D11FencesHolderMap() {}
void CompositeProcessD3D11FencesHolderMap::Register(
CompositeProcessFencesHolderId aHolderId) {
MOZ_ASSERT(aHolderId.IsValid());
MonitorAutoLock lock(mMonitor);
DebugOnly<bool> inserted =
mFencesHolderById.emplace(aHolderId, MakeUnique<FencesHolder>()).second;
MOZ_ASSERT(inserted, "Map already contained FencesHolder for id!");
}
void CompositeProcessD3D11FencesHolderMap::RegisterReference(
CompositeProcessFencesHolderId aHolderId) {
if (!aHolderId.IsValid()) {
return;
}
MonitorAutoLock lock(mMonitor);
auto it = mFencesHolderById.find(aHolderId);
if (it == mFencesHolderById.end()) {
MOZ_ASSERT_UNREACHABLE("Map missing FencesHolder for id!");
return;
}
MOZ_ASSERT(it->second->mOwners > 0);
++it->second->mOwners;
}
void CompositeProcessD3D11FencesHolderMap::Unregister(
CompositeProcessFencesHolderId aHolderId) {
if (!aHolderId.IsValid()) {
return;
}
MonitorAutoLock lock(mMonitor);
auto it = mFencesHolderById.find(aHolderId);
if (it == mFencesHolderById.end()) {
MOZ_ASSERT_UNREACHABLE("Map missing FencesHolder for id!");
return;
}
MOZ_ASSERT(it->second->mOwners > 0);
if (--it->second->mOwners == 0) {
mFencesHolderById.erase(it);
}
}
void CompositeProcessD3D11FencesHolderMap::SetWriteFence(
CompositeProcessFencesHolderId aHolderId, RefPtr<FenceD3D11> aWriteFence) {
MOZ_ASSERT(aWriteFence);
if (!aWriteFence) {
return;
}
MonitorAutoLock lock(mMonitor);
MOZ_ASSERT(aHolderId.IsValid());
auto it = mFencesHolderById.find(aHolderId);
if (it == mFencesHolderById.end()) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return;
}
RefPtr<FenceD3D11> fence = aWriteFence->CloneFromHandle();
if (!fence) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return;
}
MOZ_ASSERT(!it->second->mWriteFence);
MOZ_ASSERT(it->second->mReadFences.empty());
it->second->mWriteFence = fence;
}
void CompositeProcessD3D11FencesHolderMap::SetReadFence(
CompositeProcessFencesHolderId aHolderId, RefPtr<FenceD3D11> aReadFence) {
MOZ_ASSERT(aReadFence);
if (!aReadFence) {
return;
}
MonitorAutoLock lock(mMonitor);
MOZ_ASSERT(aHolderId.IsValid());
auto it = mFencesHolderById.find(aHolderId);
if (it == mFencesHolderById.end()) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return;
}
RefPtr<FenceD3D11> fence = aReadFence->CloneFromHandle();
if (!fence) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return;
}
it->second->mReadFences.push_back(fence);
}
bool CompositeProcessD3D11FencesHolderMap::WaitWriteFence(
CompositeProcessFencesHolderId aHolderId, ID3D11Device* aDevice) {
MOZ_ASSERT(aDevice);
if (!aDevice) {
return false;
}
RefPtr<FenceD3D11> writeFence;
{
MonitorAutoLock lock(mMonitor);
MOZ_ASSERT(aHolderId.IsValid());
auto it = mFencesHolderById.find(aHolderId);
if (it == mFencesHolderById.end()) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return false;
}
writeFence = it->second->mWriteFence;
}
if (!writeFence) {
return true;
}
return writeFence->Wait(aDevice);
}
std::pair<const RefPtr<gfx::FileHandleWrapper>, uint64_t>
CompositeProcessD3D11FencesHolderMap::GetWriteFenceHandleAndValue(
CompositeProcessFencesHolderId aHolderId) const {
MonitorAutoLock lock(mMonitor);
RefPtr<FenceD3D11> writeFence;
MOZ_ASSERT(aHolderId.IsValid());
auto it = mFencesHolderById.find(aHolderId);
MOZ_ASSERT(it != mFencesHolderById.end());
if (it != mFencesHolderById.end()) {
writeFence = it->second->mWriteFence;
}
if (writeFence) {
return {writeFence->mHandle, writeFence->GetFenceValue()};
}
return {};
}
bool CompositeProcessD3D11FencesHolderMap::WaitAllFencesAndForget(
CompositeProcessFencesHolderId aHolderId, ID3D11Device* aDevice) {
MOZ_ASSERT(aDevice);
if (!aDevice) {
return false;
}
RefPtr<FenceD3D11> writeFence;
std::vector<RefPtr<FenceD3D11>> readFences;
{
MonitorAutoLock lock(mMonitor);
MOZ_ASSERT(aHolderId.IsValid());
auto it = mFencesHolderById.find(aHolderId);
if (it == mFencesHolderById.end()) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return false;
}
writeFence = it->second->mWriteFence.forget();
readFences.swap(it->second->mReadFences);
MOZ_ASSERT(!it->second->mWriteFence);
MOZ_ASSERT(it->second->mReadFences.empty());
}
if (writeFence) {
writeFence->Wait(aDevice);
}
for (auto& fence : readFences) {
fence->Wait(aDevice);
}
return true;
}
} // namespace layers
} // namespace mozilla
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