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31b901b93b only cached a zstd member while it fit the 512 MiB cache.
Anything larger was never cached, so every Read() allocated the full
uncompressed size and decompressed the whole extent again, which makes a
multi-GB RomFS read in small chunks unusably slow. Members between 256
and 512 MiB evicted each other on alternate reads, and Insert copied the
vector so memory briefly doubled. Two threads decompressing the same
member also left a duplicate LRU entry and a wrong byte count.
The writer emits one zstd frame per member, so there are no frame
boundaries to seek by. Members larger than half the cache are now
streamed once into a temporary file under the cache directory and read
from there, using bounded memory. The file is removed when the
container is released. Smaller members stay in the LRU, which now moves
the vector in and ignores a duplicate insert.
Assisted-by: Claude Sonnet 5.5 (implementation and commit message)
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426f120ee8 dropped the 10 s wait and terminate() fallback when stopping
emulation, and ShutdownGame and closeEvent now wait for the emulation
thread with no limit. If the thread hangs (for example a GPU or present
deadlock), stopping a game, switching games or quitting never completes.
Keep the asynchronous teardown, but once the thread has been asked to
stop, give it 10 s and then terminate it and finish cleanup, as before.
ShutdownGame's nested event loop gets the same bound. A terminated
thread is logged as an error.
Assisted-by: Claude Sonnet 5.5 (implementation and commit message)
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Every texture whose handle is computed per draw gets the same placeholder
constant buffer address (index 0, offset 0), and Descriptors::Add did not
compare handle_program. Two such textures of the same type and depth in one
shader therefore shared a descriptor, so the second sampled the first, and one
could also merge with a real texture bound at constant buffer 0 offset 0.
Compare handle_program too.
The pixel-format-integer lookup cached its last answer by (index, offset), which
has the same problem for handle programs; skip that cache for them.
Follow-up to 561f87abec.
Assisted-by: Claude Sonnet 5.5 (implementation and commit message)
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buffer_cache: allow 32 storage buffers per stage
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Native Switch 2 compute shaders (such as Donkey Kong Bananza) bind up to 18 global memory ranges, causing out-of-bounds binding errors:
HW.GPU <Error> buffer_cache.h:BindComputeStorageBuffer: Storage buffer index 16 exceeds maximum storage buffer count
HW.GPU <Error> buffer_cache.h:BindComputeStorageBuffer: Storage buffer index 17 exceeds maximum storage buffer count
followed by GPU driver access violations (0xc0000005).
The enabled and written storage buffer bitmasks (enabled_compute_storage_buffers and written_compute_storage_buffers) are already u32, so widening NUM_STORAGE_BUFFERS from 16 to 32 fits naturally within the existing 32-bit masks.
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nx2: decode sRGB in the upscale fallback when the program does (washed-out Splatoon Raiders)
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Splatoon Raiders' upscaler program ends by decoding its result from
sRGB to linear (HSETP2 against 0.04045, HMUL2 by 2.4 between MUFU.LG2
and MUFU.EX2) before its surface store. The bilinear copy that stands in
for it while HMMA isn't emulated wrote the sRGB input as-is, so the
later passes encoded it a second time: outdoor scenes were washed out,
with a pale sky and a white haze.
When the program carries those two immediates, the copy now decodes
like it, through a new copy operation of the blit helper (a fragment
shader with the piecewise sRGB decode). Programs without them, such as
Kirby Air Riders' upscaler, keep the plain copy. The OpenGL backend
ignores the operation.
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The room host and room moderators are in the Moderator state, not
Joined, so the airplane mode override for joined rooms did not apply to
them and LAN Play still returned them to the menu. Accept both states.
Share the room address override between the NIFM profile and IP config
calls so they cannot drift apart.
recv() on a room TCP socket now waited for the receive timeout, because
Recv goes through RecvFrom. Room TCP sockets have no peer, so keep the
previous immediate end-of-stream result when nothing is queued.
Close() now drops queued packets and wakes a blocked recv, which then
fails with EBADF. The socket state that the room thread reads when it
queues a packet is now guarded by the packet mutex.
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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LAN Play through public lobby rooms failed in two ways.
With airplane mode on (the default), IRequest::GetResult rejected the
game's network request. Mario Kart World then opened the net-connect
applet and returned to the main menu instead of the LAN browser. A
joined room is the emulated network: its sockets only reach room
members. Count it as an available network for GetResult and
IsAnyInternetRequestAccepted.
With airplane mode off, players could open the browser but never saw
each other. Room fake IPs are spread over 192.168.0.0/16, and some room
servers give members different /24s. NIFM reported the host adapter's
/24 mask with the fake IP, so the games treated each other as off-subnet.
Report 255.255.0.0 in a room instead.
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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Routing recv() through RecvFrom made several old RecvFrom problems
reachable from the normal read path:
- A partial TCP read kept zero bytes in front of the unread data.
- A blocking read busy-waited with yield() and reported ETIMEDOUT.
- MSG_PEEK hit the flags == 0 assert.
- A UDP datagram larger than the buffer was dropped with EMSGSIZE.
Wait on a condition variable signalled when a packet arrives, and report
an expired wait as EAGAIN like an SO_RCVTIMEO timeout. Keep the existing
5s cap for sockets without a receive timeout. Allow MSG_PEEK. Truncate
oversized datagrams as BSD recv() does, and keep the unread tail of a
TCP packet for the next read.
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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When connected to an emulator room every guest socket is a ProxySocket.
Its Recv was a stub that always returned zero bytes, so games that read
UDP replies with recv() never received them. Mario Kart World LAN Play
reads its discovery replies this way, so guests never saw the host's
room in the LAN browser.
Delegate Recv to RecvFrom without an address, so queued room packets,
non-blocking, timeout, peek and truncation behaviour match recvfrom().
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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docs: drop indefinite article before uncountable "information"
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docs: fix "get starting" to "get started" in Quick Start
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docs: spell "vice versa" as two words in troubleshooting guide
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Connect slept for a second while holding packet_mutex, so the host's
SyncNetwork reply could not be handled until Connect had already
returned success in StationOpened. Players could see each other's
group and enter it, but never actually met.
Wait on a condition variable instead, accept the reply only from the
selected host and session, and fail after five seconds. Check packet
sizes and senders, stop duplicate joins from taking another station,
and seed session IDs so separate networks don't share one.
The SDL frontend never called Network::Init, so its multiplayer
option could not join a room. Initialize and shut down networking
around the core.
Assisted-by: Sol (implementation)
Assisted-by: Claude Opus 5.5 (code review)
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LAN Play through public lobby rooms failed in two ways.
With airplane mode on (the default), IRequest::GetResult rejected the
game's network request. Mario Kart World then opened the net-connect
applet and returned to the main menu instead of the LAN browser. A
joined room is the emulated network: its sockets only reach room
members. Count it as an available network for GetResult and
IsAnyInternetRequestAccepted.
With airplane mode off, players could open the browser but never saw
each other. Room fake IPs are spread over 192.168.0.0/16, and some room
servers give members different /24s. NIFM reported the host adapter's
/24 mask with the fake IP, so the games treated each other as off-subnet.
Report 255.255.0.0 in a room instead.
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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Routing recv() through RecvFrom made several old RecvFrom problems
reachable from the normal read path:
- A partial TCP read kept zero bytes in front of the unread data.
- A blocking read busy-waited with yield() and reported ETIMEDOUT.
- MSG_PEEK hit the flags == 0 assert.
- A UDP datagram larger than the buffer was dropped with EMSGSIZE.
Wait on a condition variable signalled when a packet arrives, and report
an expired wait as EAGAIN like an SO_RCVTIMEO timeout. Keep the existing
5s cap for sockets without a receive timeout. Allow MSG_PEEK. Truncate
oversized datagrams as BSD recv() does, and keep the unread tail of a
TCP packet for the next read.
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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When connected to an emulator room every guest socket is a ProxySocket.
Its Recv was a stub that always returned zero bytes, so games that read
UDP replies with recv() never received them. Mario Kart World LAN Play
reads its discovery replies this way, so guests never saw the host's
room in the LAN browser.
Delegate Recv to RecvFrom without an address, so queued room packets,
non-blocking, timeout, peek and truncation behaviour match recvfrom().
Assisted-by: Claude Opus 5.5 (investigation and implementation)
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# Conflicts:
# .github/workflows/release-binaries.yml
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This reverts commit c5fb2d2a1dd3b47e6d7b4f6acf2bdfae325e2918, reversing
changes made to 046646e3514ca4950622d75609e68498f889989e.
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ci: build the Linux and MSVC Windows packages with Qt 6.12.0
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dist/languages: refine and complete Japanese (ja_JP) translation
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[CI] Use table layout for releases
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The aqt-installed Qt was pinned to 6.8.3 while the MinGW, macOS and local
builds already use current Qt. 6.12.0 matches the Qt local test builds run on.
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nx2: read GPU-written command lists from copies instead of draining
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The trees fix (#52) drains the split and flushes for every command list
on a GPU-written page: in a Mario Kart World race ~13,500 lists and ~400
GPU round trips a second, during which the back has nothing to do. The
replay ran at ~40 fps instead of ~45.
The front now marks the pages those lists are on. The buffer cache notes
writes to them; after a compute dispatch or DMA copy that writes one it
copies the page into host memory and submits. The front waits for the
back only up to the last compute or copy work it sent (not everything
queued), then reads the copy once the GPU is done with it.
Pages the GPU wrote once, long before, and the CPU now writes lists to
have no copy: their first list drains and flushes the whole page, which
is then read from guest memory until GPU work writes it again. CPU
writes and inline uploads reach guest memory, so they keep such a page
synced but make a copy stale. A page a draw writes always drains.
Mario Kart World time-trial replay, Radeon 780M: ~40 -> ~45 fps, trees
drawn, no list drains left.
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[emu-ui] Add a metadata mask to the NUP-packer
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Convert to NUP now opens a dialog with the icon (preview, drop zone,
file picker, and a Use Detected button only when the dump has an icon),
the name, and the version (auto-detected or manual), next to the paths,
space estimate and low-storage option. The conversion runs in a window
with a full-width progress bar, percentage, speed and time remaining, and
a cancel that also covers closing the window.
Assisted-by: Claude Sonnet 5.5 (wrote the metadata dialog, icon drop zone and progress window)
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Donkey Kong Bananza names its resource size table without a version, so
no version was found for a loose dump. Its GameData/GameDataList.Product
.320.* files carry it (3.2.0), so read them as well and use the newest
tag from either source.
Assisted-by: Claude Sonnet 5.5 (wrote the GameDataList version lookup and its test)
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PackOptions::metadata overrides the title name, icon and display version
found in the dump. A version override is written to the base and to the
newest update, since the NUP loader reads the version from the newest
update first. ProbeMetadata reads what a dump would be packed with, the
version coming from the newest update that reports one, else the base.
Assisted-by: Claude Sonnet 5.5 (wrote the metadata overrides, ProbeMetadata and their test)
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Fix MSVC build: remove unused path capture
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LooseDumpSize was removed, leaving path unused in addEntry. MSVC treats this as error C5233 through /we5233.
Assisted-by: Codex (diagnosis and one-line fix)
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This fork only ships the Linux PGO build, so drop the other platforms,
the tar.gz and the Discord ping, which needs a webhook secret this
repository doesn't have. Publish a checksum alongside the AppImage.
Assisted-by: Claude Opus 5.5 (workflow edit)
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AppLoader_DeconstructedRomDirectory
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