false false front 2 RenderBin one one 0 buffer depth 1 buffer normal 2 buffer diffuse 3 buffer spec-emis Shaders/light-spot.vert Shaders/light-point.frag Shaders/gbuffer-functions.frag attenuation 12 depth_tex sampler-2d 0 normal_tex sampler-2d 1 color_tex sampler-2d 2 spec_emis_tex sampler-2d 3 LightPosition float-vec4 position true Ambient float-vec4 ambient Diffuse float-vec4 diffuse Specular float-vec4 specular Attenuation float-vec3 attenuation Near float near Far float far