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Developer tools · #sdl
SDL utilizes a global error-reporting mechanism where functions return a failure code, necessitating a call to SDL_GetError() to retrieve descriptive details. However, this global error buffer is not thread-safe. In applications where multiple threads interact with SDL subsystems, an error generated in one thread can overwrite the message from another thread
Goal: Determine whether a GraphQL schema can be rolled back to a previous version without redeploying resolver code, while preserving client functionality and federated composition validity. Constraints: The rollback must rely on resolvers that are both forward‑compatible (able to handle the newer schema) and backward‑compatible (able to handle the older sch
The goal is to convert SDL_GetTicks64 elapsed milliseconds into a regional wall-clock date-time for application logging and scheduled events. SDL_GetTicks64 is a monotonic counter that starts at SDL initialization and has no relationship to the Unix epoch, an IANA time zone, or daylight saving rules. SDL provides no civil date formatting or time zone databas
Goal: Verify that SDL_SetAudioDevice sample rate change while audio buffers are queued results in a clean rollback without audible glitches. Constraint: The SDL API provides no transactional rollback for in‑flight buffers, and SDL 2.26’s sample rate handling may introduce race conditions when multiple audio devices are active. Questions: 1) Does SDL guarante
The goal is to guarantee that SDL_Init(SDL_INIT_VIDEO) selects the same video driver on every machine and CI image so that builds remain repeatable. Starting with SDL 2.0.18, when the SDL_VIDEODRIVER environment variable is not set, SDL queries the platform for a default driver at runtime, which can vary between operating systems, distributions, and containe
Performance Degradation in Deep Pagination When utilizing setFirstResult() and setMaxResults() in Hibernate ORM, the generated SQL typically relies on LIMIT and OFFSET clauses. While efficient for initial pages, this approach causes linear performance degradation as the offset increases because the database must scan and discard all preceding rows before ret
When an SDL application runs its main loop with SDL_PollEvent while no input is pending, the function returns immediately and the loop can spin continuously, potentially consuming a full CPU core. This behavior may hide performance problems in rendering or audio subsystems because the observed CPU usage is dominated by the event‑polling loop itself. Develope
The goal is to run integration tests in the SDL pipeline without exposing production credentials while ensuring that test behavior remains faithful to the production API. Constraints include maintaining API contract fidelity, reproducing nuanced failure modes such as rate‑limit responses and authentication errors, and keeping the switch between mock and real
Goal Determine whether SDL3's SDL_AudioDeviceEvent reliably reports USB headset connect and disconnect across the major OS backends. Constraints SDL3 exposes SDL_EVENT_AUDIO_DEVICE_ADDED and SDL_EVENT_AUDIO_DEVICE_REMOVED, but each backend (PipeWire, PulseAudio, WASAPI, CoreAudio) implements the notification differently. Event ordering, duplicate delivery, a
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