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android: extend secondary display presentation

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AverageConsumer
2026-08-16 22:57:10 +02:00
parent 46f73b7bb3
commit 1fc34da2a9
6 changed files with 308 additions and 28 deletions
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docs/modding.md
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@@ -733,9 +733,15 @@ the finished `worldCanvas` and `uiCanvas` with their SGB `zones` / `worldZones`,
`worldActive`, the frame metrics (`ww`, `wh`, `pw`, `ph`, `ox`, `oy`, `vpw`,
`vph`, `scale`, `Sx`, `Sy`, `dpiX`, `dpiY`), `renderer:blitCanvas(...)` for a
palette-correct blit of either canvas into an arbitrary screen rect, and the
`secondScreen` bridge (`available()` / `push(imageData, w, h)` / `pollTouch()` /
`setEnabled`) for driving a second physical display. `pollTouch()` returns the
oldest queued event as `"action,x,y"` in submitted-frame coordinates, or `nil`.
`secondScreen` bridge (`available()` / `detected()` / `push(...)` /
`pollTouch()` / `setEnabled`) for driving a second physical display.
`detected()` reports a connected target even while its output is being created;
`available()` means it can accept a frame now. `push(imageData, w, h)` retains
the original contract. Its optional `background` (`0xRRGGBB`) and `preference`
arguments request an extended presentation; a preference ending in `:cover`
fills and crops the target, while other values preserve the whole frame.
`pollTouch()` returns the oldest queued event as `"action,x,y"` in submitted-frame
coordinates, or `nil`.
This is what lets a mod lay the two passes out as two stacked Game Boy screens,
or push one onto a second screen, without the engine knowing the layout.
On process-capable Windows, Linux and macOS hosts without a native display