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CDImageCHD: Implement precaching

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This commit is contained in:
Connor McLaughlin 2022-04-03 20:55:35 +10:00
parent 9ab64ecdb3
commit 5d097da160
1 changed files with 16 additions and 0 deletions
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16
src/common/cd_image_chd.cpp
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@ -15,6 +15,7 @@
#include <cerrno>
#include <cstdio>
#include <cstring>
#include <limits>
#include <map>
#include <optional>
Log_SetChannel(CDImageCHD);
@ -51,6 +52,7 @@ public:
bool ReadSubChannelQ(SubChannelQ* subq, const Index& index, LBA lba_in_index) override;
bool HasNonStandardSubchannel() const override;
PrecacheResult Precache(ProgressCallback* progress) override;
protected:
bool ReadSectorFromIndex(void* buffer, const Index& index, LBA lba_in_index) override;
@ -299,6 +301,20 @@ bool CDImageCHD::HasNonStandardSubchannel() const
return (m_sbi.GetReplacementSectorCount() > 0);
}
CDImage::PrecacheResult CDImageCHD::Precache(ProgressCallback* progress)
{
const std::string_view title(FileSystem::GetFileNameFromPath(m_filename));
progress->SetFormattedStatusText("Precaching %.*s...", static_cast<int>(title.size()), title.data());
progress->SetProgressRange(100);
auto callback = [](size_t pos, size_t total, void* param) {
const u32 percent = static_cast<u32>((pos * 100) / total);
static_cast<ProgressCallback*>(param)->SetProgressValue(std::min<u32>(percent, 100));
};
return (chd_precache_progress(m_chd, callback, progress) == CHDERR_NONE) ? CDImage::PrecacheResult::Success :
CDImage::PrecacheResult::ReadError;
}
// There's probably a more efficient way of doing this with vectorization...
ALWAYS_INLINE static void CopyAndSwap(void* dst_ptr, const u8* src_ptr, u32 data_size)
{