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Commits
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f636a4cdae | [Test] (P11 M2): the link ratchet records TextureObjectWithOneMipmap::GetStorageDirtyFootprint - dev 9524c688's new virtual on the placeholder vtable UniformManager already reaches (171 -> 172) | ||
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d49df3549f | [MG_Backend, MG_State, scripts] (P7): retire the texture legacy-arm scope and tag the p7-magma remainder P13 | ||
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cc3c18c578 |
[scripts, docs] (P7): magma-b2.md counts the baseline as 73 + 11 + 2 + 2, carries the review round's §12 lines and gates, and the ratchet baseline names the tree that measured 173
ID-P7-31 review, note 3 and nits.
* §0's preamble: the +4 over package B's 84/63/65 is not "package A landing after
B" - A landed BEFORE B and is +2 (magma-a.md:151-153); package C is the other +2
(magma-c.md:59-61). 73 + 11 (B) + 2 (A) + 2 (C) = 88/67/69.
* §2.3 / §2.5: MsResolve1 is split+spawn only; the day-of +3 on tcp is marked as
superseded.
* §2.7 (the server-side knob has no tcp arm, measured) and §2.8 (flip mirrored,
scale declined, X / cross-format mirror declined; three red-once lines).
* §6: the lines for CONTRACT-P7 §12 - the scaled second leg is unclipped
(VUID-vkCmdBlitImage-dstOffset-00248/00249, shared with the monolith);
MagmaWireFatal("multisample-resolve-region") for a source rect outside the read
buffer, where GL promises undefined values rather than an error; the 1->N
identical-rect decline declines a legal shape (18.3.1 sample replication) because
the monolith's own observable is a VU violation; the tcp lane cannot carry a
server-side knob; X and cross-format Y mirrors of a depth/stencil resolve decline.
* §7: the review round's gates - magma 94/73/70, full-split 525, unit 2423, parity
RC 0 naming the five MAGMA_SERVER_ENV_KNOB_NO_TCP entries, census 79, ratchet 173,
G1 .text 0xa52203 with 0/0 symbol drift, @P7 19 comment lines.
* link_ratchet_baseline.txt: `base commit` points at 6af422b3, the tree that
measured 173, not 4bee1313.
The "@P7 = 24 lines" nit needed no edit: the note already reads 19 at 6af422b3, which
is what the tree measures.
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3c2867d34d |
[MG_Backend, scripts, docs] (P7): in a disaggregated build the monolith arm blits and mips with the baked modules, and the ratchet's p7-magma bucket falls to 88
CONTRACT-P7 §5.2's (B'), which §4.2 needs.
WHAT MOVES. In a disaggregated build the monolith arm now drives the SAME baked
modules the wire arm does:
* InitializeBlitResources / InitializeDepthMipmapResources return true - there is
nothing to build on any transport;
* TryBlitToDefaultFramebufferWithShader turns its two BlitImageBindings into
WireImages and calls BlitWireColorToDefault (WireColorBlit.inc);
* GenerateDepthMipmapWithShader loops GenerateWireDepthMipLevel
(WireDepthMipmap.inc) and hands the image back in the finalLayout its caller
promised;
* GetOrCreateBlitPipeline, the three GLSL strings, the eight kHidden* ids and the
frontend members of BlitResources / DepthMipmapResources compile out.
The `#else` is the pull build's code, statement for statement.
WHY AN `#if` AND NOT A RUNTIME BRANCH - this is the whole of §4.2. P5f fv already
gave both initializers a non-monolith early return, and the ratchet counted the
symbols anyway, because a reference is a reference whether or not the branch runs.
And the MEMBER has to go with the construction: a SharedPtr member's destructor is
itself a reference to ~ProgramObject.
THE BUCKET TABLE (scripts/link_ratchet.py --bucket, build-split):
bucket before after a6
p6-core 11 11 6
p7-magma 101 88 101
p3b-p4b-espryt 13 18 14
both-backends 61 56 60
total 186 173 184
p3b-p4b-espryt's +5 is not a regression: those five MOVED out of both-backends
because DirectVulkan stopped referring to them and only DirectGLES still does.
Thirteen symbols went away outright, and they are exactly the three classes §4.2
names: ProgramObject::{AllocateLifetimeId, AttachShader, Link, ~ProgramObject},
SamplerObject::{SetLodRange, SetWrapR, SetWrapS, SetWrapT} and
ShaderObject::{Compile, DropCompileNode, JoinPendingCompile, ReleaseCompileNode,
SetShaderSource}. Re-baselined in this commit with --write-baseline; the 7 `# P13`
annotations carried over.
§4.2's "down to 0" DOES NOT HOLD, and the gap is not (B') left half-done - it is
that 88 of the 101 were never about the hidden programs. 62 come from
UniformManager.cpp.o and 14 more from VkSamplerManager.cpp.o: the MONOLITH
descriptor binder and sampler cache reading the application's own GL texture and
sampler objects (TextureObjectBase 35, TextureObjectWithOneMipmap 20 with its
vtable and typeinfo, SamplerObject's fourteen getters). Under a transport
SetupDraw branches to SetupWireDraw and not one of those lines runs - but that
branch is a RUNTIME one, which ID-P7-5 deliberately leaves to the optimisation
phase. notes/p7/magma-b2.md §4.3 names all eleven referring-object groups and what
each is.
NONE OF THEM IS ANNOTATED `# P13`, on purpose: that mark is for a symbol that
cannot fall without moving pull `.text`, and nothing above has shown that.
UniformManager's and VkSamplerManager's monolith arms are pull-build code, and
`#if`-ing them is the same operation this commit performed on VulkanRenderer.cpp.
They are wave 3's work, not P13's boundary problem, and marking them P13 early
would record an untried thing as a tried-and-impossible one.
Gates: integration-gpu 1705 (every monolith `DirectVulkan.` entry is in there),
integration-magma-split 93, -spawn 72, -tcp 74, integration-magma-full-split 524,
ctest -L unit 2423, all green; fatal_census 79 abort sites / 44 family words / 0
unmarked; spawn_lane_parity green; link_ratchet --assert-monotone unchanged at 173
against the re-baselined file, and --self-test OK.
RETRACE, which is this slice's load-bearing reading because the monolith arm
changed implementation: OpenRA.DirectVulkan (monolith) ssim 1.000000,
mismatchPixels 0, twice; OpenRA.DirectVulkan.SPLIT ssim 1.000000, 0. The whole
DirectVulkan matrix is 39/40 monolith and 38/39 split, and both reds are the SAME
case, minecraft-1.21.4-fabric-iris-iterationrp-in-world (ssim 0.027915), which is
PRE-EXISTING - it fails identically on ~/w7/p7-magma-b (this branch's parent),
because it needs CONTRACT-P7 §2.4's three iterationRP knobs and those are exported
by the CI job rather than by the ctest entry.
G1 pull .text 0xa52203, nm --defined-only identical to p7-before/pull-syms.txt
(30570 lines, 0 diffs).
Device debt: the monolith arm in the Android disaggregated package now runs the
baked blit, and its ROTATE_90/180/270 geometry has never executed - every surface
on this host is IDENTITY. notes/p7/magma-b2.md §5 lists it with the package's three
other device items.
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8bb6309a1c |
[scripts, CI, docs] (P7): the 184-symbol link-closure ratchet lands as a gate
CONTRACT-P6.md 12.1 has carried "a ratchet recomputes the 184 in CI and asserts it only
ever falls" as an obligation since P6. The roadmap handed it to P6.5; the P6.5 line never
received it, and scripts/ci/ has never had anything that computes this number. ID-P7-7
gives it to P7 wave 0. This is it.
scripts/link_ratchet.py mechanises a6's hand experiment: partition the per-object output
of the single MobileGL target into SERVER / FRONTEND / SHARED, then compute
(SERVER undefined) - (SERVER defined) - (SHARED defined) intersect (FRONTEND defined),
which is the undefined-symbol list a real link of a server-only image would print. The
partition is an explicit table with a rationale per row, because it IS the module boundary
the build system does not have (SOURCE_FILES is one flat list; boundaries are P13's work).
An object matching no row is a hard failure, as is a build whose CMakeCache lacks the three
disaggregated options, or an empty role set - every way this gate could go green without
having measured anything is an explicit exit 2.
Measured on
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9c773182bb |
[Feat] (MGPipe): land the interface skeleton - the complete call catalogue, the payload PODs and the seven generators
- Plan B section 4 makes the frontend/backend boundary explicit and gives the backend its
own state machine. This is the P0 deliverable of section 11: the whole catalogue exists
from day one, placeholders included, because the wire opcode is a call's position in
PipeCalls.def and record numbering must never churn.
- MG_Pipe/PipeCalls.def is the single source of truth: 68 unique calls as
X(Name, Payload, Class, Flags). Its header reconciles that number with the plan's
headline counts (section 4.4, appendix A), which double count - "CSO 15" names
bind_sampler_states and set_sampler_views that the "set_* 17" list also names, "screen
14" tabulates the query family that section 4.3 assigns to the context, and the
"transfer 12" row enumerates 11 calls. Each reconciliation is written down next to the
count rather than resolved silently.
- MGPipeHandles.h: the 8-byte {slot, gen} pair, dense per-kind slots, the reserved null
and default-framebuffer handles, and the ShaderCso composite band (sections 4.2, 5.6.3).
The two generations are documented as strictly separate, with the interface rule that no
call may require the client to know MGGen.
- MGPipeTypes.h: every payload of section 4.5 as a flat POD with explicit padding, a
trivial-copyability assertion and an exact sizeof assertion, because the wire records are
memcpy'd and a field silently changing width is a protocol break no test would see.
MGPCaps embeds DynamicBackendParameters by inclusion so a caps field added there needs no
second edit here; its assertion is stated as a composition because that struct still
carries SizeT. ResidualValueBlock is pinned at MGL_RESIDUAL_BLOCK_SIZE 1248, the ratchet
that only ever goes down and reaches static_assert(... == 0) in P13 (section 6.3).
- MGPipeHostSpan.h keeps the one shape that changes with the transport isolated behind one
predictable branch, with the kFromServerIndexMirror sentinel D-B7 needs.
- MGPipeCallbacks.h names the reverse channel as ten callbacks plus the forward terminator
in the context table, replacing 95 poke sites across 17 methods (section 7.1).
- scripts/gen_pipe.py runs G1-G7 off those .def files. G1 asserts each table is EXACTLY its
call count of function pointers; G3 pads every wire record to the stream's 8-byte
granularity and checks size >= sizeof && size <= remaining && size % 8 == 0 before
dispatch, fatally; G4 compares field by field (padding excluded, floats by bits) because
a comparator with false positives is one nobody reads - DirectGLES.cpp says the same
thing about its own memcmp of RenderStateParameters; G5 turns the accessor list into
per-verb poison generations rather than a written-once bitmap, which is the only version
that can see a field left over from the previous draw (section 6.2.2); G6 joins the 477
read points of the vendored backend_read_inventory.md against Coverage.def and reports
0 UNMAPPED (299 to a call, 167 signatures that become handle parameters, 6 reverse
channel, 5 client-resolved); G7 pins the pipeline subset BY MEMBER NAME from what
VulkanRenderer::ComputePipelineStateHash hashes today, computing no offsets in python.
- The generated files are committed so the build never depends on python; CI regenerates
and diffs them.
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