minecraft-1.21.4-fabric-iris-bsl-esc-menu-854: Minecraft 1.21.4 Fabric +
Sodium + Iris + BSL 10.1.3 through Espryt on Mali-G77, paused at the ESC
menu over the BSL-blurred world, captured at 854x480 through the FCL
trace-capture skill. The trimmed trace keeps the whole session preamble
deliberately: the 107669b3 bug class is triggered while Iris BUILDS the
pipeline (a by-name texture call swapping the active unit's binding under
the sync memo), and the pause menu afterwards is where its damage is
legible - every glyph alpha-discards against the zeroed lightmap while
the button frames survive.
Ablation-proven as a net before landing: against a build with both layers
of 107669b3 reverted the case fails at ssim 0.949284 and the diff image
is text and only text - menu title, all button labels, the tutorial
toast; against the fixed library it matches the golden exactly, and
Magma passes the same golden at 0.998402 with no alternate needed.
Replays in about a minute per backend on llvmpipe/lavapipe (the 1.3M-call
preamble; well under the timeout and smaller than several existing
fixtures). Existing fixtures spot-checked green.
Moves snapshot capture entirely into the apitrace retrace layer (glReadPixels + PNG encode). Drops the MOBILEGL_PRESENT_DUMP_PATH / MOBILEGL_PRESENT_STATS / MOBILEGL_PRESENT_DUMP_CALL / MOBILEGL_PRESENT_CURRENT_CALL / MOBILEGL_TRACE_CURRENT_CALL_OVERRIDE plumbing from Config, ConfigLoader, VulkanRenderer (GetPresentedDumpPixel/WritePresentedDumpPpm + present-stats readback), the EGL/GLX/Android ws shims, and the Android trace_replay_core PPM reader.
DirectVulkan ReadPixels on the default framebuffer now remaps raw swapchain pixels (top-left origin, preTransform-rotated) to GL orientation (bottom-left origin) so the retrace snapshot matches the golden; SwapchainObject also resizes the default-FBO stencil attachment to the swapchain extent to fix GL_INVALID_FRAMEBUFFER_OPERATION under the glReadPixels completeness check.
Registration now documents the trace_cases.json registry (the CMakeLists /
apk.yml instructions were stale). Adds the field-tested guidance from
authoring the Create fixtures: in-tree apitrace fork requirements (frametrim
DSA/multi-bind, persistent-map shadowing) and the Windows wgltrace wrapper,
frozen-world + unfocused-window capture discipline, late-frame selection,
trim verification, brotli repack (with the stale-archive trap), golden
content verification, Android signing/stale-package/emulator-flake and
stale-result pitfalls.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Two 1.21.1 NeoForge Create in-world captures facing water wheels and a
large cogwheel, one per flywheel backend (/flywheel backend indirect and
instanced). The indirect trace exercises the compute scatter/cull
pipeline, glMultiDrawElementsIndirect with GPU-written commands, and
draw-parameter emulation; captured with persistent-map shadowing so the
unflushed scatter descriptors Flywheel writes are recorded. Both trimmed
to a single frame and brotli-repacked (~7 MiB each).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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