MLB The Show 26 (PPSA30630)

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Title

MLB The Show 26 (PPSA30630)

Content version tested

01.018.000

AnyPS5 commit

82ddae7 (main), plus the local changes listed under Current blocker

System tested

Windows 11 IoT Enterprise LTSC 2024 (10.0.26100), AMD Radeon RX 9060 XT (driver 32.0.31041.1004), Ryzen 9 9900X, WinLibs GCC 15.2.0 r7, Release

Furthest point

Stops before the first frame

What is shown

No window content. With unused-filter=2 it submits draws and a FLIP, then crashes on a null call (rip 0) in the title's code, so the filter seems to drop something it needs. Unfiltered, it stops at the AGC refusal below.

Current blocker

AGC graphics: the depth target's sample count differs from the rasterizer's
(raster 4, depth 1, MSAA_ENABLE 1, PA_SC_AA_CONFIG 0x0020c002, DB_EQAA 0x00012002, DB_Z_INFO 0xa2900983)

The register values come from a local diagnostic added to the Require in State.cpp DecodeState. Z_32_FLOAT depth with Z_64KB_X swizzle and 1 sample, under a 4x rasterizer. This looks like the case #5907 handles. I haven't checked the color target's sample count for this draw.

Earlier stops, each worked around locally:

• FAIL: unresolved ELF import R5hemoKKID8 from libSceAudioOut.prx: covered by feat(libSceAudioOut): implement sceAudioOutGetSystemState #5965 (sceAudioOutGetSystemState). Stubbed locally.
• FAIL: unresolved ELF import JpAYkddCFjk, Yn8KT+VTZaE, dYDAfB+cJEU, pA8xxaySl7A from libSceVideoOut.prx: no PR found. Stubbed locally to return 0; names unknown.
• sampling the 3840x2160 multisampled texture 0x14a2710000 of 4 samples, which no draw rendered to and whose tile mode 4 has no modeled multisampled color footprint: covered by fix(agc): sample undrawn multisampled Z and D 64 KiB swizzle textures, and Z ones whose HTILE is cleared #6297. Patched locally with the same footprint approach.

How it was run

python tools/unwrap_self.py eboot.bin work/input.elf
python tools/unwrap_self.py sce_module/libc.prx work/sce_module/libc.prx
relinker --windows work/input.elf app.exe

libs/ holds build/core/libs/libs/*.prx plus libgcc_s_seh-1.dll, libstdc++-6.dll and libwinpthread-1.dll from the toolchain. app0/ holds the title files.

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Update: with local fixes on top of 9bf01db (+ #5965, #6297), MLB The Show 26 now boots through the menus and into the Wrigley Field broadcast intro without crashing. Performance in the stadium is the blocker, so here are the measurements in case they help.

Setup: RX 9060 XT, AMD driver 26.8.1 (LLPC), Windows 11 26100.

Frame time (APS5_TRACE_SUMMARY_EVERY=30, p50):

time	scene	p50
0–60 s	menus / logos	16.7 ms (60 fps)
60–180 s	player walk-on	390–460 ms (~2.5 fps)
180–330 s	intro, overlays	220–300 ms (~3.5–4.5 fps)

Walk-on, GPU-bound (~60–95 s):

• [gputime]: compute program 0x14ad03de00 takes about 0.55 ms of GPU time per dispatch. It runs about 880 times per present, which is about 490 ms per frame.
• The dispatches are tiny: 1–160 groups of 64 threads (wave64). APS5_PIPELINE_STATS reports 217 VGPRs and no scratch. The SPIR-V has 141k words and no loops.
• So each dispatch looks latency-bound. The guest data it reads (imports and mirrors) is in host memory. Every dispatch also gets its own leading and trailing full barrier, so none of them overlap.
• Staging-in and staging-out move about 1.2 GB each per present.

Later, CPU-bound (queue worker 0 is 98 % busy):

• APS5_PROFILE_DRAW: about 157 µs per dispatch (stage A miss 58 µs, device call 34 µs, prologue 32 µs).
• About 25k dispatches per 10 s.
• Dispatch cache: about 94 % "no entry". It is full at 8192 entries, with 75k evictions.
• Draw cache: about 84 % "no entry". It is full at 4096 entries.
• [rescache] says the first differing word is the GuestBuffers V# base address. The user-data pointers change on every dispatch (ring-buffer constants), so the keys never recur.
• APS5_DISPATCH_CACHE_ENTRIES=131072 and APS5_DRAW_CACHE_ENTRIES=65536 did not raise the hit rate.

Tried, no gain: APS5_PIPELINE_DISPATCH=1, the larger caches, APS5_NO_HOST_IMPORT=1 (worse).

Shader request dump for 0x14ad03de00 available on request.