irisandClaude Fable 5.1 fd7e17523d iris/android: fix layout/shader unit mismatch left by the density-scale commit
surface_changed's self.render.resize(...) -- UiRenderState::output_size,
what every widget's absolute PixelRegion (a fixed .height(56), notably)
is computed against -- was still being handed raw physical width/height
after the previous commit switched AndroidRenderer's own size()/resize()/
new() to logical (physical / content_scale) for the shader's window
uniform. That split layout and the shader into two different units:
layout placed a "56"-unit row inside a ~2219-physical-unit-tall canvas
(an absolute box, still exactly 56 units), the shader then divided that
same 56 by a ~845-unit *logical* window dimension -- found on the
emulator by measuring a fresh install's top button row at ~40 physical
px against the ~147px `56 * content_scale` predicts. Proportional
(rest(n)) sizes hid the mismatch by adapting to whichever total they were
given; only fixed sizes exposed it. Now divides by content_scale here
too, matching every other call site.

Verified on this checkout's emulator (EMU_GPU default, force-gles):
run-bench.sh completes end to end (frames=691, 24/24 swipes streamed
400/400 events) and a fresh-install screenshot shows visibly larger
text than before this and the previous commit, with the top row's own
sizing still worth a closer look on a real device -- see RUST.md's P0
box for what remains unverified there.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-05 23:57:24 -04:00
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