INSANEMODE/yuzu-android
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu-android.git synced 2025-06-20 02:17:54 -05:00
Code Issues Packages Projects Releases Wiki Activity

FS: Stream RomFS from file instead of loading all of it to memory

Browse Source
This commit is contained in:
condut
2015-07-10 00:55:23 +03:00
committed by Yuri Kunde Schlesner
parent ecdfd0643a
commit c385b7767d
9 changed files with 48 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/core/file_sys/ivfc_archive.cpp
View File

@ -16,15 +16,12 @@
namespace FileSys {
IVFCArchive::IVFCArchive(std::shared_ptr<const std::vector<u8>> data) : data(data) {
}
std::string IVFCArchive::GetName() const {
return "IVFC";
}
std::unique_ptr<FileBackend> IVFCArchive::OpenFile(const Path& path, const Mode mode) const {
return Common::make_unique<IVFCFile>(data);
return Common::make_unique<IVFCFile>(romfs_file, data_offset, data_size);
}
bool IVFCArchive::DeleteFile(const Path& path) const {
@ -66,8 +63,10 @@ std::unique_ptr<DirectoryBackend> IVFCArchive::OpenDirectory(const Path& path) c
size_t IVFCFile::Read(const u64 offset, const u32 length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
memcpy(buffer, data->data() + offset, length);
return length;
romfs_file->Seek(data_offset + offset, SEEK_SET);
u32 read_length = (u32)std::min((u64)length, data_size - offset);
return romfs_file->ReadBytes(buffer, read_length);
}
size_t IVFCFile::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const {
@ -76,7 +75,7 @@ size_t IVFCFile::Write(const u64 offset, const u32 length, const u32 flush, cons
}
size_t IVFCFile::GetSize() const {
return sizeof(u8) * data->size();
return data_size; // TODO: return value will overflow on 32-bit machines
}
bool IVFCFile::SetSize(const u64 size) const {