eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

Common: Introduce Range Sets

nce_cpp
Fernando Sahmkow 2 years ago
parent
4d97c54676
commit
75f5d982a0
3 changed files with 354 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      src/common/CMakeLists.txt
  2. 73
      src/common/range_sets.h
  3. 279
      src/common/range_sets.inc

2
src/common/CMakeLists.txt
View File

@ -107,6 +107,8 @@ add_library(common STATIC
quaternion.h
range_map.h
range_mutex.h
range_sets.h
range_sets.inc
reader_writer_queue.h
ring_buffer.h
${CMAKE_CURRENT_BINARY_DIR}/scm_rev.cpp

73
src/common/range_sets.h
View File

@ -0,0 +1,73 @@
// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include "common/common_types.h"
namespace Common {
template <typename AddressType>
class RangeSet {
public:
RangeSet();
~RangeSet();
RangeSet(RangeSet const&) = delete;
RangeSet& operator=(RangeSet const&) = delete;
RangeSet(RangeSet&& other);
RangeSet& operator=(RangeSet&& other);
void Add(AddressType base_address, size_t size);
void Subtract(AddressType base_address, size_t size);
void Clear();
bool Empty() const;
template <typename Func>
void ForEach(Func&& func) const;
template <typename Func>
void ForEachInRange(AddressType device_addr, size_t size, Func&& func) const;
private:
struct RangeSetImpl;
std::unique_ptr<RangeSetImpl> m_impl;
};
template <typename AddressType>
class SplitRangeSet {
public:
SplitRangeSet();
~SplitRangeSet();
SplitRangeSet(SplitRangeSet const&) = delete;
SplitRangeSet& operator=(SplitRangeSet const&) = delete;
SplitRangeSet(SplitRangeSet&& other);
SplitRangeSet& operator=(SplitRangeSet&& other);
void Add(AddressType base_address, size_t size);
void Subtract(AddressType base_address, size_t size);
template <typename Func>
void Subtract(AddressType base_address, size_t size, Func&& on_delete);
void DeleteAll(AddressType base_address, size_t size);
void Clear();
bool Empty() const;
template <typename Func>
void ForEach(Func&& func) const;
template <typename Func>
void ForEachInRange(AddressType device_addr, size_t size, Func&& func) const;
private:
struct SplitRangeSetImpl;
std::unique_ptr<SplitRangeSetImpl> m_impl;
};
} // namespace Common

279
src/common/range_sets.inc
View File

@ -0,0 +1,279 @@
// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <limits>
#include <utility>
#define BOOST_NO_MT
#include <boost/pool/detail/mutex.hpp>
#undef BOOST_NO_MT
#include <boost/icl/interval.hpp>
#include <boost/icl/interval_base_set.hpp>
#include <boost/icl/interval_map.hpp>
#include <boost/icl/interval_set.hpp>
#include <boost/icl/split_interval_map.hpp>
#include <boost/pool/pool.hpp>
#include <boost/pool/pool_alloc.hpp>
#include <boost/pool/poolfwd.hpp>
#include "common/range_sets.h"
namespace boost {
template <typename T>
class fast_pool_allocator<T, default_user_allocator_new_delete, details::pool::null_mutex, 4096, 0>;
}
namespace Common {
template <typename AddressType>
struct RangeSet<AddressType>::RangeSetImpl {
using IntervalSet = boost::icl::interval_set<
AddressType, std::less, ICL_INTERVAL_INSTANCE(ICL_INTERVAL_DEFAULT, AddressType, std::less),
boost::fast_pool_allocator>;
using IntervalType = typename IntervalSet::interval_type;
RangeSetImpl() = default;
~RangeSetImpl() = default;
void Add(AddressType base_address, size_t size) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
m_ranges_set.add(interval);
}
void Subtract(AddressType base_address, size_t size) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
m_ranges_set.subtract(interval);
}
IntervalSet m_ranges_set;
};
template <typename AddressType>
struct SplitRangeSet<AddressType>::SplitRangeSetImpl {
using IntervalSet =
boost::icl::split_interval_map<AddressType, s32, boost::icl::partial_enricher, std::less,
boost::icl::inplace_plus, boost::icl::inter_section,
ICL_INTERVAL_INSTANCE(ICL_INTERVAL_DEFAULT, AddressType,
std::less),
boost::fast_pool_allocator>;
using IntervalType = typename IntervalSet::interval_type;
SplitRangeSetImpl() = default;
~SplitRangeSetImpl() = default;
void Add(AddressType base_address, size_t size) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
m_split_ranges_set += std::make_pair(interval, 1);
}
template <bool has_on_delete, typename Func>
void Subtract(AddressType base_address, size_t size, s32 amount,
[[maybe_unused]] Func&& on_delete) {
AddressType end_address = base_address + static_cast<AddressType>(size);
IntervalType interval{base_address, end_address};
bool any_removals = false;
m_split_ranges_set += std::make_pair(interval, -amount);
do {
any_removals = false;
auto it = m_split_ranges_set.lower_bound(interval);
if (it == m_split_ranges_set.end()) {
return;
}
auto end_it = m_split_ranges_set.upper_bound(interval);
for (; it != end_it; it++) {
if (it->second <= 0) {
if constexpr (has_on_delete) {
if (it->second == 0) {
on_delete(it->first.lower(), it->first.upper());
}
}
any_removals = true;
m_split_ranges_set.erase(it);
break;
}
}
} while (any_removals);
}
IntervalSet m_split_ranges_set;
};
template <typename AddressType>
RangeSet<AddressType>::RangeSet() {
m_impl = std::make_unique<RangeSet<AddressType>::RangeSetImpl>();
}
template <typename AddressType>
RangeSet<AddressType>::~RangeSet() = default;
template <typename AddressType>
RangeSet<AddressType>::RangeSet(RangeSet&& other) {
m_impl = std::make_unique<RangeSet<AddressType>::RangeSetImpl>();
m_impl->m_ranges_set = std::move(other.m_impl->m_ranges_set);
}
template <typename AddressType>
RangeSet<AddressType>& RangeSet<AddressType>::operator=(RangeSet&& other) {
m_impl->m_ranges_set = std::move(other.m_impl->m_ranges_set);
}
template <typename AddressType>
void RangeSet<AddressType>::Add(AddressType base_address, size_t size) {
m_impl->Add(base_address, size);
}
template <typename AddressType>
void RangeSet<AddressType>::Subtract(AddressType base_address, size_t size) {
m_impl->Subtract(base_address, size);
}
template <typename AddressType>
void RangeSet<AddressType>::Clear() {
m_impl->m_ranges_set.clear();
}
template <typename AddressType>
bool RangeSet<AddressType>::Empty() const {
return m_impl->m_ranges_set.empty();
}
template <typename AddressType>
template <typename Func>
void RangeSet<AddressType>::ForEach(Func&& func) const {
if (m_impl->m_ranges_set.empty()) {
return;
}
auto it = m_impl->m_ranges_set.begin();
auto end_it = m_impl->m_ranges_set.end();
for (; it != end_it; it++) {
const AddressType inter_addr_end = it->upper();
const AddressType inter_addr = it->lower();
func(inter_addr, inter_addr_end);
}
}
template <typename AddressType>
template <typename Func>
void RangeSet<AddressType>::ForEachInRange(AddressType base_addr, size_t size, Func&& func) const {
auto& range_set = m_impl->m_ranges_set;
const AddressType start_address = base_addr;
const AddressType end_address = start_address + size;
const RangeSetImpl::IntervalType search_interval{start_address, end_address};
auto it = range_set.lower_bound(search_interval);
if (it == range_set.end()) {
return;
}
auto end_it = range_set.upper_bound(search_interval);
for (; it != end_it; it++) {
AddressType inter_addr_end = it->upper();
AddressType inter_addr = it->lower();
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
func(inter_addr, inter_addr_end);
}
}
template <typename AddressType>
SplitRangeSet<AddressType>::SplitRangeSet() {
m_impl = std::make_unique<SplitRangeSet<AddressType>::SplitRangeSetImpl>();
}
template <typename AddressType>
SplitRangeSet<AddressType>::~SplitRangeSet() = default;
template <typename AddressType>
SplitRangeSet<AddressType>::SplitRangeSet(SplitRangeSet&& other) {
m_impl = std::make_unique<SplitRangeSet<AddressType>::SplitRangeSetImpl>();
m_impl->m_split_ranges_set = std::move(other.m_impl->m_split_ranges_set);
}
template <typename AddressType>
SplitRangeSet<AddressType>& SplitRangeSet<AddressType>::operator=(SplitRangeSet&& other) {
m_impl->m_split_ranges_set = std::move(other.m_impl->m_split_ranges_set);
}
template <typename AddressType>
void SplitRangeSet<AddressType>::Add(AddressType base_address, size_t size) {
m_impl->Add(base_address, size);
}
template <typename AddressType>
void SplitRangeSet<AddressType>::Subtract(AddressType base_address, size_t size) {
m_impl->Subtract<false>(base_address, size, 1, [](AddressType, AddressType) {});
}
template <typename AddressType>
template <typename Func>
void SplitRangeSet<AddressType>::Subtract(AddressType base_address, size_t size, Func&& on_delete) {
m_impl->Subtract<true>(base_address, size, 1, on_delete);
}
template <typename AddressType>
void SplitRangeSet<AddressType>::DeleteAll(AddressType base_address, size_t size) {
m_impl->Subtract<false>(base_address, size, std::numeric_limits<s32>::max(),
[](AddressType, AddressType) {});
}
template <typename AddressType>
void SplitRangeSet<AddressType>::Clear() {
m_impl->m_split_ranges_set.clear();
}
template <typename AddressType>
bool SplitRangeSet<AddressType>::Empty() const {
return m_impl->m_split_ranges_set.empty();
}
template <typename AddressType>
template <typename Func>
void SplitRangeSet<AddressType>::ForEach(Func&& func) const {
if (m_impl->m_split_ranges_set.empty()) {
return;
}
auto it = m_impl->m_split_ranges_set.begin();
auto end_it = m_impl->m_split_ranges_set.end();
for (; it != end_it; it++) {
const AddressType inter_addr_end = it->first.upper();
const AddressType inter_addr = it->first.lower();
func(inter_addr, inter_addr_end, it->second);
}
}
template <typename AddressType>
template <typename Func>
void SplitRangeSet<AddressType>::ForEachInRange(AddressType base_address, size_t size,
Func&& func) const {
auto& range_set = m_impl->m_split_ranges_set;
const AddressType start_address = base_address;
const AddressType end_address = start_address + size;
const SplitRangeSetImpl::IntervalType search_interval{start_address, end_address};
auto it = range_set.lower_bound(search_interval);
if (it == range_set.end()) {
return;
}
auto end_it = range_set.upper_bound(search_interval);
for (; it != end_it; it++) {
auto& inter = it->first;
AddressType inter_addr_end = inter.upper();
AddressType inter_addr = inter.lower();
if (inter_addr_end > end_address) {
inter_addr_end = end_address;
}
if (inter_addr < start_address) {
inter_addr = start_address;
}
func(inter_addr, inter_addr_end, it->second);
}
}
} // namespace Common
Write Preview
Loading…
Cancel
Save