Add multiple texture overlay into material light technique and shader. The additional layers can be alpha blended with prior textures when rendering. This should work for 2D color textures and 3D cube textures for diffuse, speculator, emission, and ambient.
Add multiple texture overlay into material light technique and shader. The additional layers can be alpha blended with prior textures when rendering. This should work for 2D color textures and 3D cube textures for diffuse, speculator, emission, and ambient.