irisandClaude Fable 5.1 3b80a88f3b iris/android: content_scale (density), per-frame diagnostics, insets hook
Threads DisplayMetrics.density (read once in new_peer, via the Context
android-view already hands the JNI entry point) through AndroidUiState
as content_scale, and divides by it everywhere a raw device-pixel number
used to reach layout unscaled: AndroidRenderer::size()/resize()/new() now
report logical (physical / density) dimensions to UiRenderNode and to
UiRenderState's own root-layout size, and on_touch_event divides the
incoming MotionEvent coordinates the same way, so touch and layout agree
on units again. This is the fix for RUST.md's P0 box, "text is far too
small" -- a font_size: 16.0 was 16 raw device pixels on a ~3x-density
phone, identical to the desktop fix in the previous commit.

Installs Device::on_uncaptured_error on the Android device (wgpu's
default handler is an unconditional panic outside UiRenderNode::new's
own error scopes) into a new iris_core::WgpuErrorLog, and adds
AndroidRenderer::diagnostics_report() combining adapter identity, font
resolution, atlas view count and the error log into one string for a
future Diagnostics screen. render() now logs a one-line diagnostic
(masks/moves resized, atlas pages grown, image bind-group creates, wgpu
error count) for the first 10 frames after each surface_changed -- the
window RUST.md's P0 box says the glyph-wipe-on-first-touch happens in.

Adds AndroidAppState::on_insets_changed(rsc, LogicalInsets), called from
render() exactly when AndroidUiState::insets() changes (once at startup
for the status bar, again on rotation/IME) -- nothing previously read
insets().top at all, which is why RUST.md's P0 box found the bench
screen's top buttons sitting under the status bar.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-05 23:40:30 -04:00
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