mirror of https://github.com/OpenRCT2/OpenRCT2.git
Merge pull request #14716 from CookiePLMonster/startup-speed-optimizations-2
More startup speed optimizations
This commit is contained in:
commit
ea47c3ffe9
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@ -24,7 +24,7 @@
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- Fix: [#14682] Crash when painting Swinging Ships with invalid subtype.
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- Fix: [#14707] Crash when window is closed during text input.
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- Fix: [#14710] Ride/Track Design preview does not show if it costs more money than available.
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- Improved: [#14712]: Improve startup times.
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- Improved: [#14712, #14716]: Improve startup times.
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0.3.3 (2021-03-13)
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------------------------------------------------------------------------
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@ -1,5 +1,5 @@
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/*****************************************************************************
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* Copyright (c) 2014-2020 OpenRCT2 developers
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* Copyright (c) 2014-2021 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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@ -10,6 +10,7 @@
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#include "SawyerChunk.h"
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#include "../core/Memory.hpp"
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#include "SawyerChunkReader.h"
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SawyerChunk::SawyerChunk(SAWYER_ENCODING encoding, void* data, size_t length)
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{
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@ -20,5 +21,5 @@ SawyerChunk::SawyerChunk(SAWYER_ENCODING encoding, void* data, size_t length)
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SawyerChunk::~SawyerChunk()
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{
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Memory::Free(_data);
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SawyerChunkReader::FreeChunk(_data);
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}
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@ -1,5 +1,5 @@
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/*****************************************************************************
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* Copyright (c) 2014-2020 OpenRCT2 developers
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* Copyright (c) 2014-2021 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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@ -27,8 +27,9 @@ constexpr const char* EXCEPTION_MSG_DESTINATION_TOO_SMALL = "Chunk data larger t
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constexpr const char* EXCEPTION_MSG_INVALID_CHUNK_ENCODING = "Invalid chunk encoding.";
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constexpr const char* EXCEPTION_MSG_ZERO_SIZED_CHUNK = "Encountered zero-sized chunk.";
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SawyerChunkReader::SawyerChunkReader(OpenRCT2::IStream* stream)
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SawyerChunkReader::SawyerChunkReader(OpenRCT2::IStream* stream, bool persistentChunks)
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: _stream(stream)
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, _createsPersistentChunks(persistentChunks)
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{
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}
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@ -78,7 +79,10 @@ std::shared_ptr<SawyerChunk> SawyerChunkReader::ReadChunk()
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{
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throw SawyerChunkException(EXCEPTION_MSG_ZERO_SIZED_CHUNK);
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}
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buffer = static_cast<uint8_t*>(FinaliseLargeTempBuffer(buffer, uncompressedLength));
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if (_createsPersistentChunks)
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{
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buffer = static_cast<uint8_t*>(FinaliseLargeTempBuffer(buffer, uncompressedLength));
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}
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return std::make_shared<SawyerChunk>(
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static_cast<SAWYER_ENCODING>(header.encoding), buffer, uncompressedLength);
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}
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@ -126,7 +130,10 @@ std::shared_ptr<SawyerChunk> SawyerChunkReader::ReadChunkTrack()
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{
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throw SawyerChunkException(EXCEPTION_MSG_ZERO_SIZED_CHUNK);
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}
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buffer = static_cast<uint8_t*>(FinaliseLargeTempBuffer(buffer, uncompressedLength));
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if (_createsPersistentChunks)
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{
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buffer = static_cast<uint8_t*>(FinaliseLargeTempBuffer(buffer, uncompressedLength));
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}
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return std::make_shared<SawyerChunk>(SAWYER_ENCODING::RLE, buffer, uncompressedLength);
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}
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catch (const std::exception&)
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@ -158,6 +165,11 @@ void SawyerChunkReader::ReadChunk(void* dst, size_t length)
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}
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}
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void SawyerChunkReader::FreeChunk(void* data)
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{
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FreeLargeTempBuffer(data);
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}
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size_t SawyerChunkReader::DecodeChunk(void* dst, size_t dstCapacity, const void* src, const sawyercoding_chunk_header& header)
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{
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size_t resultLength;
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@ -315,9 +327,7 @@ void* SawyerChunkReader::AllocateLargeTempBuffer()
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void* SawyerChunkReader::FinaliseLargeTempBuffer(void* buffer, size_t len)
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{
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#ifdef __USE_HEAP_ALLOC__
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auto finalBuffer = std::malloc(len);
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std::memcpy(finalBuffer, buffer, len);
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HeapFree(GetProcessHeap(), 0, buffer);
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auto finalBuffer = HeapReAlloc(GetProcessHeap(), 0, buffer, len);
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#else
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auto finalBuffer = static_cast<uint8_t*>(std::realloc(buffer, len));
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#endif
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@ -1,5 +1,5 @@
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/*****************************************************************************
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* Copyright (c) 2014-2020 OpenRCT2 developers
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* Copyright (c) 2014-2021 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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@ -36,15 +36,17 @@ namespace OpenRCT2
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/**
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* Reads sawyer encoding chunks from a data stream. This can be used to read
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* SC6, SV6 and RCT2 objects.
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* SC6, SV6 and RCT2 objects. persistentChunks is a hint to the reader that the chunk will be preserved,
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* and thus the chunk memory should be shrunk.
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*/
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class SawyerChunkReader final
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{
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private:
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OpenRCT2::IStream* const _stream = nullptr;
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const bool _createsPersistentChunks = false;
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public:
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explicit SawyerChunkReader(OpenRCT2::IStream* stream);
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explicit SawyerChunkReader(OpenRCT2::IStream* stream, bool persistentChunks = false);
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/**
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* Skips the next chunk in the stream without decoding or reading its data
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@ -84,6 +86,11 @@ public:
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return result;
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}
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/**
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* Frees the chunk data, to be used when destructing SawyerChunks
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*/
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static void FreeChunk(void* data);
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private:
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static size_t DecodeChunk(void* dst, size_t dstCapacity, const void* src, const sawyercoding_chunk_header& header);
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static size_t DecodeChunkRLERepeat(void* dst, size_t dstCapacity, const void* src, size_t srcLength);
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