// uncompress the table to a full array with parameter values per cell.
func (p *lut) Slice() (*data.Slice, bool) {
gpu := p.gpuLUT()
b := cuda.Buffer(p.NComp(), Mesh().Size())
for c := 0; c < p.NComp(); c++ {
cuda.RegionDecode(b.Comp(c), cuda.LUTPtr(gpu[c]), regions.Gpu())
}
return b, true
}
// utility for LUT of single-component data
func (p *lut) gpuLUT1() cuda.LUTPtr {
util.Assert(len(p.gpu_buf) == 1)
return cuda.LUTPtr(p.gpuLUT()[0])
}