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Internal resolution becomes a built-in host-only mod; drop the sample-rate setting; host-only mod options editable in netplay

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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Matthew Stanley
2026-10-24 20:29:37 -07:00
parent 7a786f8e84
commit 4734f69306
29 changed files with 740 additions and 878 deletions
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docs/NETPLAY.md
+8 -6
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@@ -196,10 +196,12 @@ Cost: extra CPU for the 1× SW pass. Benefit: peers can use different GL
settings without desyncing the sim. SW-only netplay forces scale 1 for the
whole path. Offline play keeps full supersampling with no dual-raster tax.
**Internal resolution is a per-peer presentation setting.** Settings → Display →
Internal resolution is not a mod, so it is not cleared for netplay: each peer
keeps its own preset, clamped to its own GPU, and one peer at 4K next to another
at Native is a supported match. Only the GL present surface changes; the 1×
**Internal resolution is a per-peer presentation choice.** It is the built-in
Internal Resolution mod (`psx.enhancement.internal-resolution`), a host-only
mod (below), so it stays each player's own in netplay: each peer keeps its own
preset, clamped to its own GPU, and one peer at 4K next to another at Native is
a supported match. Its option does not change during a match (the scale is
held); a change made then applies at the next session. Only the GL present surface changes; the 1×
software authority, the digests and the rollback snapshots are the same on every
peer. Mods are cleared for netplay, except a player's own-view mods (below),
which stay per player and never touch the shared game.
@@ -459,8 +461,8 @@ repeat on a resim (e.g. `psx_mod_set_host_rumble`) check
A fourth class, `netplay = "host_only"` (format 11), is for plugins that never
touch guest execution at all -- the framework's CRT Filter, Image Filtering,
Enhanced Audio and Rewind mods: they only set host presentation, audio output
or host-tool state. Their features are no part of the plan fingerprint and stay
Enhanced Audio, Rewind and Internal Resolution mods: they only set host
presentation, audio output or host-tool state. Their features are no part of the plan fingerprint and stay
each player's own in every mode, content negotiation included: a host never
publishes them and a host's plan never switches them (docs/MOD_PACKAGES.md
"Host-only plugins").