obtained knowledge by creating a fully lit scene with 6 active light sources. We are going to simulate a sun-like light as a directional light source, 4 point lights scattered throughout the scene and ...

for all palettes — the palette colours are supplied as a 1-D PNG strip texture (generated by generate_palette_textures.py) rather than being hard-coded in GLSL. python palette_lut_demo.py image.png ...