gecko-dev/dom/canvas/CacheInvalidator.cpp
Jeff Gilbert 4098f41704 Bug 1498070 - Simplify and cache framebuffer and texture completeness. - r=kvark
Net-removes 700LOC, too!

Differential Revision: https://phabricator.services.mozilla.com/D8325

--HG--
extra : moz-landing-system : lando
2018-10-17 04:18:15 +00:00

56 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 13; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=13 sts=4 et sw=4 tw=90: */
/* 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 "CacheInvalidator.h"
namespace mozilla {
void
CacheInvalidator::InvalidateCaches() const
{
// The only sane approach is to require caches to remove invalidators.
while (mCaches.size()) {
const auto& itr = mCaches.begin();
const auto pEntry = *itr;
pEntry->OnInvalidate();
MOZ_ASSERT(mCaches.find(pEntry) == mCaches.end());
}
}
// -
AbstractCache::InvalidatorListT
AbstractCache::ResetInvalidators(InvalidatorListT&& newList)
{
for (const auto& cur : mInvalidators) {
if (cur) {
(void)cur->mCaches.erase(this);
}
}
auto ret = std::move(mInvalidators);
mInvalidators = std::move(newList);
for (const auto& cur : mInvalidators) {
// Don't assert that we insert, since there may be dupes in `invalidators`.
// (and it's not worth removing the dupes)
if (cur) {
(void)cur->mCaches.insert(this);
}
}
return ret;
}
void
AbstractCache::AddInvalidator(const CacheInvalidator& x)
{
mInvalidators.push_back(&x);
x.mCaches.insert(this);
}
} // namespace mozilla