Build a flat normal-map buffer with every texel set to the identity tangent-space normal (0, 0, 1), encoded as (128, 128, 255). Use for surfaces whose appearance is determined entirely by the BRDF.
(0, 0, 1)
(128, 128, 255)
Build a flat normal-map buffer with every texel set to the identity tangent-space normal
(0, 0, 1), encoded as(128, 128, 255). Use for surfaces whose appearance is determined entirely by the BRDF.