#rhodonite_app_sdl3

SDL3 native app runtime helpers for RhodoniteMBT.

This module owns SDL3 window/event polling and native WebGPU surfaces (macOS Metal, Linux Wayland/X11 Vulkan) bootstrap used by native examples. The main public package is emadurandal/rhodonite_app_sdl3/sdl3.

The SDL3 session type is opaque. Callers use accessors such as gpu_context(), surface_active(), surface_width(), surface_height(), and surface_format() instead of reading runtime fields directly.

Initialization, device creation, window-size queries, and resize handling report structured Sdl3AppError values. The runtime handles SDL window resize events and reconfigures the native WebGPU surface when the drawable pixel size changes. Runtime 0x0/minimized surfaces are propagated to Engine as suspended rather than as fatal errors.

The Wayland/X11 native surface C helper is active only on Linux. Other native hosts export no-op/null ABI stubs so the macOS Metal path does not require SDL3 headers while compiling Linux-only helper code.

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