# testgl - RetroBIOS - RetroBIOS

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# testgl - RetroBIOS

Type | test
Classification | pure_libretro
Source | https://github.com/libretro/libretro-samples
Version | v1
Profiled | 2026-03-25
Cores | testgl

Technical notes

OpenGL programmable pipeline test core from libretro-samples. Renders two spinning quads via GL 2.0+ / GLES 2.0+ shaders through the libretro hw_render interface. Shaders are embedded as string constants in the source.

No BIOS or firmware files required. Generated on 2026-03-25T14:56:43Z