emulator: testgl type: test source: "https://github.com/libretro/libretro-samples" profiled_date: "2026-03-18" core_version: "v1" display_name: "TestGL" cores: - testgl systems: [] notes: | OpenGL test core from libretro-samples. Validates the hardware-accelerated OpenGL rendering path in the frontend. Renders a spinning triangle or cube using GL calls through the libretro hw_render interface. No system files, BIOS, or firmware required. Not an emulator. files: []