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[Feat] (MG_Remote, P11 B2): T0 is the default - an unset MOBILEGL_IPC_ADOPT_TIER asks T0 (ask 0x80) and falls back to T2 quietly (MGLOG_D, still counted: client T0Fallbacks, server T0Refusals), while an explicit 0 keeps every named line; revision 5's schema comment and pin fixed up

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swung0x48
2026-09-29 20:15:29 -04:00
parent e44d6ac7da
commit b32140e614
11 changed files with 173 additions and 65 deletions
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MobileGL/MG_Remote/Client/ClientSession.cpp
+36 -10
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@@ -823,7 +823,10 @@ namespace MobileGL::MG_Remote::Client {
return result;
}
ResetT0(false);
m_adoptT0Asked = adoptAsk == 0;
m_adoptT0Asked = Transport::AdoptAskIsT0(adoptAsk);
m_adoptT0Quiet = Transport::AdoptTierIsDefault();
if (terms->dataPlane() == ::MobileGL::Wire::DataPlane::Stream && Transport::AdoptTierWantsT0())
m_t0Fallbacks = 1; // a stream carries T2 only (the settle said so, by name or at D)
// The four SegmentRefs are what a spawn client MAPS (P6). Under inproc the mapping
// already exists, so what they are good for here is the cross-check that the two
// sides agree about the geometry at all - which is the assertion that would
@@ -1127,7 +1130,10 @@ namespace MobileGL::MG_Remote::Client {
return result;
}
ResetT0(false);
m_adoptT0Asked = adoptAsk == 0;
m_adoptT0Asked = Transport::AdoptAskIsT0(adoptAsk);
m_adoptT0Quiet = Transport::AdoptTierIsDefault();
if (stream && Transport::AdoptTierWantsT0())
m_t0Fallbacks = 1; // a stream carries T2 only (the settle said so, by name or at D)
if (stream) {
// PH-7 (4). A Stream Welcome without a nonce of exactly the minted width names no
// data connection this client could open; refused rather than guessed at.
@@ -2728,6 +2734,13 @@ namespace MobileGL::MG_Remote::Client {
"AHardwareBuffers the server imports");
} else {
m_adoptT0Decision = 0;
++m_t0Fallbacks;
if (m_adoptT0Quiet) {
// T0 BY DEFAULT (knob unset) FALLS BACK QUIETLY - counted, said at MGLOG_D.
MGLOG_D("MG_Remote client: T0 by default is not available (no kCapAdoptT0; the server's log "
"says why at MGLOG_D); the session runs T2");
return false;
}
MGLOG_W("MG_Remote client: Refuse{AdoptT0Unavailable, \"no kCapAdoptT0\"} - "
"MOBILEGL_IPC_ADOPT_TIER=0 asked for T0 and the server did not publish kCapAdoptT0 (its "
"log names why: its allow switch, no AHardwareBuffer, or its POST self-test); the "
@@ -2853,21 +2866,34 @@ namespace MobileGL::MG_Remote::Client {
}
void ClientSession::ResetT0(Bool releaseStores) {
if (m_adoptT0Asked) {
MGLOG_I("MG_Remote client: T0 session totals - %s; stores imported %llu, bytes %llu, declined %llu, "
"released %llu, held at teardown %zu",
m_adoptT0Decision == 1 ? "ran T0" : m_adoptT0Decision == 0 ? "fell back to T2" : "never decided",
static_cast<unsigned long long>(m_t0Imported), static_cast<unsigned long long>(m_t0Bytes),
static_cast<unsigned long long>(m_t0Declined), static_cast<unsigned long long>(m_t0Released),
m_t0Stores.size());
if (m_adoptT0Asked || m_t0Fallbacks != 0) {
// A default (unset-knob) session that did not run T0 says its totals at MGLOG_D.
const bool quiet = m_adoptT0Quiet && m_adoptT0Decision != 1;
const char* ran =
m_adoptT0Decision == 1 ? "ran T0" : m_adoptT0Decision == 0 || m_t0Fallbacks ? "fell back to T2" : "never decided";
#define MGL_T0_CLIENT_TOTALS(LOG) \
LOG("MG_Remote client: T0 session totals - %s%s; stores imported %llu, bytes %llu, declined %llu, " \
"fallbacks %llu, released %llu, held at teardown %zu", \
ran, m_adoptT0Quiet ? " (default)" : "", static_cast<unsigned long long>(m_t0Imported), \
static_cast<unsigned long long>(m_t0Bytes), static_cast<unsigned long long>(m_t0Declined), \
static_cast<unsigned long long>(m_t0Fallbacks), static_cast<unsigned long long>(m_t0Released), \
m_t0Stores.size())
if (quiet) {
MGL_T0_CLIENT_TOTALS(MGLOG_D);
} else {
MGL_T0_CLIENT_TOTALS(MGLOG_I);
}
#undef MGL_T0_CLIENT_TOTALS
(void)ran;
}
if (releaseStores) {
for (auto& [key, store] : m_t0Stores) Transport::AdoptT0::ReleaseHeld(store);
}
m_t0Stores.clear();
m_adoptT0Asked = false;
m_adoptT0Quiet = false;
m_adoptT0Decision = -1;
m_t0Imported = m_t0Bytes = m_t0Declined = m_t0Released = 0;
m_t0Imported = m_t0Bytes = m_t0Declined = m_t0Released = m_t0Fallbacks = 0;
m_prePublish = nullptr;
}