Function fragment_impl

pub fn fragment_impl<A, T, DtA, C, S>(
    atlas: &A,
    atlas_sampler: &S,
    irradiance: &C,
    irradiance_sampler: &S,
    prefiltered: &C,
    prefiltered_sampler: &S,
    brdf: &T,
    brdf_sampler: &S,
    shadow_map: &DtA,
    shadow_map_sampler: &S,
    geometry_slab: &[u32],
    material_slab: &[u32],
    lighting_slab: &[u32],
    renderlet_id: Id<PrimitiveDescriptor>,
    frag_coord: Vec4,
    in_color: Vec4,
    in_uv0: Vec2,
    in_uv1: Vec2,
    in_norm: Vec3,
    in_tangent: Vec3,
    in_bitangent: Vec3,
    in_pos: Vec3,
    output: &mut Vec4,
)
where
    A: Sample2dArray<Sampler = S>,
    T: Sample2d<Sampler = S>,
    DtA: Sample2dArray<Sampler = S>,
    C: SampleCube<Sampler = S>,
    S: IsSampler,

PBR fragment shader capable of being run on CPU or GPU.