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Henrik Rydgård
893ac3e3db
- Add frametests.py: walks a dump tree, renders each dump per config variant through PPSSPPHeadless, generates reference images when missing and compares MSE when present, and writes a self-contained HTML report. The JSON config (which lives with the test set, not in the repo) points at the data tree and defines variants as suffix -> CLI args, e.g. 'soft': '--graphics=software'. - Headless: --screenshot-save saves PNG when the path ends in .png; new --screenshot-diff always writes a visual comparison when comparing; screenshot comparison failures (mismatch or unloadable reference) now fail the test instead of passing silently. - Read back framebuffers top-down, flipping only for BMP output/input (fixes upside-down PNG references). Sync libretro copy accordingly. - Document the system in docs/frametest.md; add AGENTS.md reference.