mirror of
https://github.com/Blinue/Magpie.git
synced 2026-06-24 02:04:10 +00:00
298 lines
8.1 KiB
C++
298 lines
8.1 KiB
C++
#include "pch.h"
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#include "EffectCacheManager.h"
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#include <regex>
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#include "StrUtils.h"
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#include "Logger.h"
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#include "CommonSharedConstants.h"
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#include <d3dcompiler.h>
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#include "Utils.h"
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#include "YasHelper.h"
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namespace yas::detail {
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// winrt::com_ptr<ID3DBlob>
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template<std::size_t F>
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struct serializer<
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type_prop::not_a_fundamental,
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ser_case::use_internal_serializer,
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F,
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winrt::com_ptr<ID3DBlob>
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> {
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template<typename Archive>
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static Archive& save(Archive& ar, const winrt::com_ptr<ID3DBlob>& blob) {
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uint32_t size = (uint32_t)blob->GetBufferSize();
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ar& size;
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ar.write(blob->GetBufferPointer(), size);
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return ar;
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}
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template<typename Archive>
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static Archive& load(Archive& ar, winrt::com_ptr<ID3DBlob>& blob) {
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uint32_t size = 0;
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ar& size;
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HRESULT hr = D3DCreateBlob(size, blob.put());
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if (FAILED(hr)) {
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Logger::Get().ComError("D3DCreateBlob 失败", hr);
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throw new std::exception();
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}
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ar.read(blob->GetBufferPointer(), size);
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return ar;
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}
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};
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}
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namespace Magpie::Core {
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template<typename Archive>
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void serialize(Archive& ar, EffectParameterDesc& o) {
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ar& o.name& o.label& o.constant;
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}
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template<typename Archive>
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void serialize(Archive& ar, EffectIntermediateTextureDesc& o) {
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ar& o.format& o.name& o.source& o.sizeExpr;
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}
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template<typename Archive>
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void serialize(Archive& ar, EffectSamplerDesc& o) {
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ar& o.filterType& o.addressType& o.name;
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}
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template<typename Archive>
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void serialize(Archive& ar, EffectPassDesc& o) {
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ar& o.cso& o.inputs& o.outputs& o.numThreads[0] & o.numThreads[1] & o.numThreads[2] & o.blockSize& o.desc& o.isPSStyle;
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}
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template<typename Archive>
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void serialize(Archive& ar, EffectDesc& o) {
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ar& o.name& o.outSizeExpr& o.params& o.textures& o.samplers& o.passes& o.flags;
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}
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static constexpr const uint32_t MAX_CACHE_COUNT = 127;
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// 缓存版本
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// 当缓存文件结构有更改时更新它，使旧缓存失效
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static constexpr const uint32_t EFFECT_CACHE_VERSION = 12;
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static std::wstring GetLinearEffectName(std::wstring_view effectName) {
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std::wstring result(effectName);
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for (wchar_t& c : result) {
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if (c == L'\\') {
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c = L'#';
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}
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}
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return result;
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}
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static std::wstring GetCacheFileName(std::wstring_view linearEffectName, std::wstring_view hash, UINT flags) {
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// 缓存文件的命名：{效果名}_{标志位（16进制）}{哈希}
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return fmt::format(L"{}{}_{:01x}{}", CommonSharedConstants::CACHE_DIR, linearEffectName, flags & 0xf, hash);
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}
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void EffectCacheManager::_AddToMemCache(const std::wstring& cacheFileName, const EffectDesc& desc) {
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std::scoped_lock lk(_srwMutex);
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_memCache[cacheFileName] = { desc, ++_lastAccess };
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if (_memCache.size() > MAX_CACHE_COUNT) {
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assert(_memCache.size() == MAX_CACHE_COUNT + 1);
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// 清理一半较旧的内存缓存
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std::array<uint32_t, MAX_CACHE_COUNT + 1> access{};
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std::transform(_memCache.begin(), _memCache.end(), access.begin(),
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[](const auto& pair) {return pair.second.second; });
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auto midIt = access.begin() + access.size() / 2;
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std::nth_element(access.begin(), midIt, access.end());
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const uint32_t mid = *midIt;
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for (auto it = _memCache.begin(); it != _memCache.end();) {
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if (it->second.second < mid) {
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it = _memCache.erase(it);
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} else {
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++it;
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}
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}
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Logger::Get().Info("已清理内存缓存");
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}
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}
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bool EffectCacheManager::_LoadFromMemCache(const std::wstring& cacheFileName, EffectDesc& desc) {
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std::scoped_lock lk(_srwMutex);
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auto it = _memCache.find(cacheFileName);
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if (it != _memCache.end()) {
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desc = it->second.first;
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it->second.second = ++_lastAccess;
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Logger::Get().Info(StrUtils::Concat("已读取缓存 ", StrUtils::UTF16ToUTF8(cacheFileName)));
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return true;
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}
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return false;
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}
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bool EffectCacheManager::Load(std::wstring_view effectName, std::wstring_view hash, EffectDesc& desc) {
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assert(!effectName.empty() && !hash.empty());
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std::wstring cacheFileName = GetCacheFileName(GetLinearEffectName(effectName), hash, desc.flags);
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if (_LoadFromMemCache(cacheFileName, desc)) {
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return true;
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}
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if (!Win32Utils::FileExists(cacheFileName.c_str())) {
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return false;
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}
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std::vector<BYTE> buf;
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if (!Win32Utils::ReadFile(cacheFileName.c_str(), buf) || buf.empty()) {
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return false;
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}
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try {
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yas::mem_istream mi(buf.data(), buf.size());
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yas::binary_iarchive<yas::mem_istream, yas::binary> ia(mi);
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ia& desc;
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} catch (...) {
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Logger::Get().Error("反序列化失败");
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desc = {};
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return false;
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}
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_AddToMemCache(cacheFileName, desc);
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Logger::Get().Info(StrUtils::Concat("已读取缓存 ", StrUtils::UTF16ToUTF8(cacheFileName)));
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return true;
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}
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void EffectCacheManager::Save(std::wstring_view effectName, std::wstring_view hash, const EffectDesc& desc) {
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std::wstring linearEffectName = GetLinearEffectName(effectName);
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std::vector<BYTE> buf;
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buf.reserve(4096);
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try {
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yas::vector_ostream os(buf);
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yas::binary_oarchive<yas::vector_ostream<BYTE>, yas::binary> oa(os);
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oa& desc;
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} catch (...) {
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Logger::Get().Error("序列化 EffectDesc 失败");
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return;
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}
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if (!Win32Utils::DirExists(CommonSharedConstants::CACHE_DIR)) {
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if (!CreateDirectory(CommonSharedConstants::CACHE_DIR, nullptr)) {
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Logger::Get().Win32Error("创建 cache 文件夹失败");
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return;
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}
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} else {
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// 删除所有该效果（flags 相同）的缓存
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std::wregex regex(fmt::format(L"^{}_{:01x}[0-9,a-f]{{16}}$", linearEffectName, desc.flags & 0xf),
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std::wregex::optimize | std::wregex::nosubs);
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WIN32_FIND_DATA findData{};
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HANDLE hFind = Win32Utils::SafeHandle(FindFirstFileEx(
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StrUtils::ConcatW(CommonSharedConstants::CACHE_DIR, L"*").c_str(),
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FindExInfoBasic, &findData, FindExSearchNameMatch, nullptr, FIND_FIRST_EX_LARGE_FETCH));
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if (hFind) {
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do {
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// 缓存文件名至少有 19 个字符
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// {Name}_{1}{16}
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if (StrUtils::StrLen(findData.cFileName) < 19) {
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continue;
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}
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// 正则匹配文件名
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if (!std::regex_match(findData.cFileName, regex)) {
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continue;
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}
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if (!DeleteFile(StrUtils::ConcatW(CommonSharedConstants::CACHE_DIR, findData.cFileName).c_str())) {
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Logger::Get().Win32Error(StrUtils::Concat("删除缓存文件 ",
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StrUtils::UTF16ToUTF8(findData.cFileName), " 失败"));
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}
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} while (FindNextFile(hFind, &findData));
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FindClose(hFind);
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} else {
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Logger::Get().Win32Error("查找缓存文件失败");
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}
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}
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std::wstring cacheFileName = GetCacheFileName(linearEffectName, hash, desc.flags);
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if (!Win32Utils::WriteFile(cacheFileName.c_str(), buf.data(), buf.size())) {
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Logger::Get().Error("保存缓存失败");
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}
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_AddToMemCache(cacheFileName, desc);
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Logger::Get().Info(StrUtils::Concat("已保存缓存 ", StrUtils::UTF16ToUTF8(cacheFileName)));
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}
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static std::wstring HexHash(std::span<const BYTE> data) {
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uint64_t hashBytes = Utils::HashData(data);
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static wchar_t oct2Hex[16] = {
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L'0',L'1',L'2',L'3',L'4',L'5',L'6',L'7',
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L'8',L'9',L'a',L'b',L'c',L'd',L'e',L'f'
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};
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std::wstring result(16, 0);
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wchar_t* pResult = &result[0];
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BYTE* b = (BYTE*)&hashBytes;
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for (int i = 0; i < 8; ++i) {
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*pResult++ = oct2Hex[(*b >> 4) & 0xf];
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*pResult++ = oct2Hex[*b & 0xf];
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++b;
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}
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return result;
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}
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std::wstring EffectCacheManager::GetHash(
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std::string_view source,
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const phmap::flat_hash_map<std::wstring, float>* inlineParams
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) {
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std::string str;
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str.reserve(source.size() + 256);
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str = source;
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str.append(fmt::format("VERSION:{}\n", EFFECT_CACHE_VERSION));
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if (inlineParams) {
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for (const auto& pair : *inlineParams) {
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str.append(fmt::format("{}:{}\n", StrUtils::UTF16ToUTF8(pair.first), std::lroundf(pair.second * 10000)));
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}
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}
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return HexHash(std::span((const BYTE*)source.data(), source.size()));
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}
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std::wstring EffectCacheManager::GetHash(std::string& source, const phmap::flat_hash_map<std::wstring, float>* inlineParams) {
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size_t originSize = source.size();
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source.reserve(originSize + 256);
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source.append(fmt::format("VERSION:{}\n", EFFECT_CACHE_VERSION));
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if (inlineParams) {
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for (const auto& pair : *inlineParams) {
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source.append(fmt::format("{}:{}\n", StrUtils::UTF16ToUTF8(pair.first), std::lroundf(pair.second * 10000)));
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}
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}
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std::wstring result = HexHash(std::span((const BYTE*)source.data(), source.size()));
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source.resize(originSize);
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return result;
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}
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}
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#undef _LITTLE_ENDIAN
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