ghee
Fragment shaders straight to a panel. A headless GLSL renderer for Raspberry Pis.
For years my Pi-powered speakers have run a music visualizer: audio in, FFT out to shaders on little SPI panels. ghee is that renderer, pulled out into a standalone open source library.
techniques
- glsl / gles2
- drm / gbm
- python
- raspberry pi
- spi displays
- mjpeg streaming