The NID -q-vbO859Tw, declared as sceVideoOutUnknown_q_vbO859Tw for
PPSA02530, hashes to sceVideoOutDeleteVrrActiveStatusEvent. It removes the
handle's VRR status registration from the queue like the other Delete*Event
calls, the counterpart of sceVideoOutAddVrrActiveStatusEvent.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017WeVmjnnPPKdxVTpr2Vjtw
Registering a flip or vblank event on a handle that sceVideoOutOpen never
created, or that was closed, threw, which ended titles that register
their flip event before they open the port and ignore the result. The
documented error SCE_VIDEO_OUT_ERROR_INVALID_HANDLE is returned instead,
the same check sceVideoOutSetFlipRate and the other output calls use.
The flip test program gains an "unopened" mode.
sceVideoOutSubmitChangeBufferAttribute2 threw when a buffer of the group
had a flip pending, and Marvel's Wolverine makes that call with flips in
the queue. A flip now takes its buffer group when it is reserved, in
submission order, so flips submitted before the change keep the
attributes their buffers were rendered with and later flips use the
new ones.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Elden Ring Nightreign (PPSA25380) imports the function, which no library
exported, so the title failed to load. The option is ORed into the buffer
attribute and a null attribute throws. Options other than 0 and 8 still
throw when the buffers are registered.
Unsubscribe an event queue from the output mode events that
sceVideoOutAddOutputModeEvent registers, the same way the flip and
vblank events are removed. Deleting a registration that does not exist
succeeds, and a null queue or an invalid handle throws.
Co-Authored-By: Gemini 3.8 Flash <noreply@google.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
A flip packet names a buffer index; the buffer was looked up when the
command buffer was submitted, so a title that registers its buffers
after submitting the first frame failed with "flip buffer is not
registered". The buffer is now resolved when the GPU reaches the flip,
as the hardware does. A flip whose buffer is still unregistered then
presents black and completes (see TechnicalDebt).
Uncharted: Legacy of Thieves Collection (PPSA05684) submits its first flip before registering its buffers and stopped with "flip buffer is not registered".
A title that opens a main and an overlay port flips both, and every flip
was presented as a whole frame, so the window alternated between the two
buses: PPSA01736 shows its intro on the main bus and an empty overlay,
and the intro blinked black on every other frame. Overlay flips now
complete and signal their events without being shown. Compositing the
overlay over the main output is not implemented.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Main's Linux job fails since #1028 and #1714: guest_video_out_resolution_status aborts when SDL's offscreen
driver has no Vulkan window, and check_skips.py rejects the skips of guest_video_out_wqhd_detection and the
flip tests because "no display" is not among the device limitations it accepts.
The resolution status test now skips with code 77 like its wqhd sibling, the flip tests print the same skip
reason, and check_skips.py accepts "no display" as a device limitation. ANYPS5_REQUIRE_DISPLAY still turns
the skip into a failure.
Measured on a PS5 (firmware 13.60) through dlopen of
libSceVideoOut.sprx on a handle the payload opened.
sceVideoOutInitializeOutputOptions writes 0xFF to byte 2 of the 64-byte
options and returns INVALID_ADDRESS for a null pointer.
sceVideoOutIsOutputSupported checks the handle, then the reserved
arguments, then the mode, then the options. It never answers 0: a mode
the display lacks returns UNSUPPORTED_OUTPUT_MODE, and a value that is
not a mode returns 0x8029001E. Options must keep the initialized words,
except word 3.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
LibwuIonIBw registers video out event id 16, which the host never triggers because its VRR state does not change; kP2L8t3j-aM returns 0 without effect.
A flip still queued or in presentation when the title closes its port is discarded, as on hardware, rather than stored as a driver failure. A closed port no longer terminates the presentation thread nor surfaces from Shutdown. The lifetime test now expects cancellation and the reopen mode is registered in ctest.
The offscreen SDL driver cannot create a Vulkan window on Windows since
the VideoOut window uses SDL_WINDOW_VULKAN, so the tests that open a port
now exit 77 (skipped) like the other display tests, unless
ANYPS5_REQUIRE_DISPLAY is set. The tests also write app0/sce_sys/param.json,
which AppMetadata now requires.
sceVideoOutAddPreVblankStartEvent threw "physical pre-vblank timing is
not implemented", so titles that pace on it stopped at startup. It now
registers the event like the vblank event does, and each emulated vblank
tick triggers the pre-vblank start events just before the vblank events,
with the pre-vblank count as data. The console's lead time is unknown.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The console's DCC of a single-level 4-byte SW_64KB_R_X surface is
ceil(W/512) * ceil(H/512) * 4096 bytes, 49152 for 1920x1080, but the
driver stored and read one key per 256 surface bytes (34560).
PPSA26344 retiles its render DCC into the displayable copy it
registers (cs_dcc_retile_32bpp); a retile of the stale tail gives the
mixed keys PPSA12544 stops on.
DccKeyCount gives that extent. Color target and storage image key
stores cover it when the DCC is pipe-aligned (CB_COLOR_ATTRIB3 bit 30,
T# word 6 bit 19), whose CB keys reach its last meta block, and throw
where it is not writable; unaligned DCC keeps one key per 256 bytes,
as do texture and color target key reads. DisplayBufferKeys reads the
display DCC over the extent, presents only when every key agrees,
names the first differing key's pixels and checks a pending image
against those keys.
The driver created a windowless Vulkan device at the first dispatch and
replaced it with a windowed one at the first flip. The replacement built a
second device and re-imported every host import, and the first flip paid
for it.
VideoOut now creates its window when it starts (the first VideoOut call),
at the default 1920x1080 output, and attaches it to the driver
(AgcDriverAttachWindow) before the call returns. The driver creates its
device with that window, so GPU work and presentation use one device.
Present no longer creates or replaces a device. A device created by GPU
work before VideoOut started is still replaced, now in AttachWindow.
A failure to create the window or the device is thrown from that first
VideoOut call instead of terminating the presentation thread.
Tests:
- video_out_flip_tests onedevice: GPU work, then a flip, leaves one device.
- pacing makes its first presentation span vblanks with GPU work queued
ahead of the flip; it relied on the device being created at the flip.
- unavailable expects the failure from sceVideoOutOpen.
- guest_video_out_wqhd_detection writes a param.json for the window title
and is skipped without a display or Vulkan device unless
ANYPS5_REQUIRE_DISPLAY is set.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
sceVideoOutRegisterBuffers2 threw "DCC presentation is not implemented"
for category 1 (DCC-compressed) buffers, which PPSA26344 registers. Such
a buffer now needs DCC metadata and the tiled layout, and dcc_control may
only use the CB_DCC_CONTROL block layout bits 0x10026c.
At a flip the keys are read behind their recorded writers, one byte per
256 bytes as in the driver's DCC model. Uncompressed keys present the
stored texels as before; a uniform clear code presents its color with a
GPU clear of the scaler's source image; a pending storage image is used
when it serves the keys. Mixed or unreadable keys, clear codes the
display format has no DCC encoding for, register-clear keys over a
pending image and a clear color wider than 32 bits throw. Buffers
without DCC take the old path.
sceVideoOutIsOutputSupported threw VIDEO_OUT_ERROR_UNSUPPORTED_OUTPUT_MODE
for every mode other than the default and 119.88 Hz, and
sceVideoOutConfigureOutput threw for an unavailable 119.88 Hz mode. Titles
probe and request modes the display may lack and handle the result:
PPSA12544 asks for 0xd000000a and falls back to 3840 pixels when it is not
supported, and its sceVideoOutConfigureOutput caller switches on the
returned error codes, including VIDEO_OUT_ERROR_UNAVAILABLE_OUTPUT_MODE.
Every mode except the default now reports 0, and configuring one returns
VIDEO_OUT_ERROR_UNAVAILABLE_OUTPUT_MODE.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
sceVideoOutRegisterBuffers2 and sceVideoOutSubmitChangeBufferAttribute2
threw for every buffer attribute option other than 0. PPSA26344 builds
its display buffers with option 8 through the libSceAgc helper linked
into it, so its first registration failed.
Option 8, VIDEO_OUT_BUFFER_ATTRIBUTE_OPTION_STRICT_COLORIMETRY (name
and value from KytyPS5), is now accepted and presented as option 0;
every other option still throws. What the console changes for it is
unknown and recorded in TechnicalDebt. The rejection now names the
tiling mode, pitch, aspect ratio and option it was given.
video_out_flip_tests decode checks that option 8 describes the same
buffer as option 0 and that options 1, 32 and 40 are rejected.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
With APS5_FLIP_INFLIGHT (default 1) a presentation trailed on the GPU and
the flip completed as soon as its blit was queued behind the frame's
batches. The title reads that completion as "the GPU is done with the
frame" and rewrites the frame's memory, but the recorded GPU work still reads
guest memory in place when it runs. In PPSA21564 the per-draw constant
ring of the next frames landed under vertex programs that had not run
yet: a program read an integer sample count as float 1.0 from another
draw and stepped a loop by its reciprocal, about 1e9 iterations, and
other draws got wrong matrices.
The presenter now queues the present and then waits for the frame's own
fence, outside the GPU mutex, before reporting the flip, so the title
cannot reuse the frame's memory while the GPU still reads it.
Test: video_out_flip_tests aftergpu (needs a GPU and a display) submits a
busy compute dispatch, an end-of-pipe label without an interrupt (which
does not drain the device) and a flip, and checks that the flip
completes no earlier than the label lands.
processFlip set lastFlipVblank to the vblank count after the host present
returned. When the acquire, the wait for an earlier presentation or the
present itself crossed the next vblank, the next flip's target moved out
by one vblank even when that flip was already queued: a frame ready in
17 ms was shown for 33 ms, and a title that advances its logic by a fixed
step per presented frame ran in slow motion.
A flip takes effect at the vblank it is released at, so that vblank is
now the one the next flip's interval counts from, recorded when the flip
is released. Flip events, flipStatus and flipPendingNum are unchanged.
Test: video_out_flip_tests pacing (needs a GPU and a display) submits
the first flip at flip rate 2, whose presentation opens the device and
spans several vblanks, and checks that lastFlipVblank is 3.
and throws for any non-zero word after it. Its layout matches shadPS4's
ServiceThreadParams instead: an unknown first word (16), a set-priority flag
and a priority (256..767), a set-affinity flag and a 64-bit CPU mask at
offset 16. PPSA21564 passes 16, 1, 0x100, 1 and 0x1FFF, so it stops at
startup on main.
sceVideoOutOpen now validates each field and reads the mask only when its
flag is set, so a 16-byte param with both flags clear still works. The
priority and affinity are not applied, since the present and vblank threads
are host threads; this and the unknown first word are listed in the
technical debt.
sceVideoOutOpen threw for any non-null param. PS5 titles pass a 16-byte
open param whose first word is its size, so they could not open a port.
A param whose size word is 16 and whose other three words are zero
requests nothing beyond a null param and is accepted. Any other size,
or any non-zero option word, still throws.
libkernel: a TimedWait service for condition variables, semaphores, event flags, rwlocks and
equeues with the scheduler tick; mutex/cond/sem corner cases the title hits; job worker
affinity is opt-in (APS5_JOB_AFFINITY). libc: calloc/realloc heap slot swap, a default
terminate handler with a backtrace, CPU topology helper. libSceRtc export fixes with tests.
libSceVideoOut: APS5_NO_PAD_INPUT ignores host input for unattended measurements,
APS5_FLIP_QUEUE_WAIT keeps a stalled process alive for a debugger. ApplicationHeap and
GuestRtc tests wired into the test build.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0177gthrWEBBfBu5xJDXgBfo
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