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optimize TextureCacheBase::SerializeTexture, ::DeserializeTexture

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texture serialization and deserialization used to involve many memory
allocations and deallocations, along with many copies to and from
those allocations. avoid those by reserving a memory region inside the
output and writing there directly, skipping the allocation and copy to
an intermediate buffer entirely.
This commit is contained in:
ash!! 2021-04-14 10:29:06 -07:00
commit 43ceba4fef
2 changed files with 48 additions and 18 deletions
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10
Source/Core/Common/ChunkFile.h
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@ -200,6 +200,16 @@ public:
DoArray(arr, static_cast<u32>(N));
}
// The caller is required to inspect the mode of this PointerWrap
// and deal with the pointer returned from this function themself.
[[nodiscard]] u8* DoExternal(u32& count)
{
Do(count);
u8* current = *ptr;
*ptr += count;
return current;
}
void Do(Common::Flag& flag)
{
bool s = flag.IsSet();