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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_SHAREDSURFACESMEMORYREPORT_H
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#define MOZILLA_GFX_SHAREDSURFACESMEMORYREPORT_H
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#include <cstdint> // for uint32_t
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#include <unordered_map>
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#include "ipc/IPCMessageUtils.h"
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#include "mozilla/gfx/Point.h" // for IntSize
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namespace mozilla {
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namespace layers {
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class SharedSurfacesMemoryReport final {
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public:
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class SurfaceEntry final {
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public:
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base::ProcessId mCreatorPid;
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gfx::IntSize mSize;
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int32_t mStride;
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uint32_t mConsumers;
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bool mCreatorRef;
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};
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std::unordered_map<uint64_t, SurfaceEntry> mSurfaces;
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};
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} // namespace layers
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} // namespace mozilla
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namespace IPC {
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template <>
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struct ParamTraits<mozilla::layers::SharedSurfacesMemoryReport> {
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typedef mozilla::layers::SharedSurfacesMemoryReport paramType;
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static void Write(Message* aMsg, const paramType& aParam) {
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WriteParam(aMsg, aParam.mSurfaces);
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}
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static bool Read(const Message* aMsg, PickleIterator* aIter,
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paramType* aResult) {
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return ReadParam(aMsg, aIter, &aResult->mSurfaces);
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}
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};
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template <>
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struct ParamTraits<mozilla::layers::SharedSurfacesMemoryReport::SurfaceEntry>
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: public PlainOldDataSerializer<
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mozilla::layers::SharedSurfacesMemoryReport::SurfaceEntry> {};
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template <class KeyType, class DataType>
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struct ParamTraits<std::unordered_map<KeyType, DataType>> {
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typedef std::unordered_map<KeyType, DataType> paramType;
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static void Write(Message* aMsg, const paramType& aParam) {
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WriteParam(aMsg, aParam.size());
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for (auto i = aParam.begin(); i != aParam.end(); ++i) {
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WriteParam(aMsg, i->first);
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WriteParam(aMsg, i->second);
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}
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}
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static bool Read(const Message* aMsg, PickleIterator* aIter,
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paramType* aResult) {
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size_t count;
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if (!ReadParam(aMsg, aIter, &count)) {
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return false;
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}
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for (; count > 0; --count) {
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KeyType k;
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DataType v;
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if (!ReadParam(aMsg, aIter, &k) || !ReadParam(aMsg, aIter, &v)) {
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return false;
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}
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aResult->insert(std::make_pair(std::move(k), std::move(v)));
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}
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return true;
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}
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};
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} // namespace IPC
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#endif
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