simple_v_extension/swizzle_table_format.mdwn

   1 Swizzle format:
   2
   3 | 7:6 | 5:4 | 3:2 | 1:0 |
   4 | --- | --- | --- | --- |
   5 |   w |   z |   y |   x |
   6
   7 Unsigned consts:
   8
   9 | (1..0) | type   |
  10 | ------ | ------ |
  11 | 0      | 0x00000     |
  12 | 1      | LSB Hi (0x00..001)  |
  13 | 2      | MSB Hi (0x10..000) |
  14 | 3      | 0xfff...ff |
  15
  16 Signed consts:
  17
  18 | (1..0) | type   |
  19 | ------ | ------ |
  20 | 0      | 0x00000     |
  21 | 1      | LSB Hi (0x00..001)  |
  22 | 2      | MSB Hi (0x10..000) |
  23 | 3      | 0x7ff...ff |
  24
  25 FP consts:
  26
  27 | (1..0) | type   |
  28 | ------ | ------ |
  29 | 0      | 0.0    |
  30 | 1      | 1.0    |
  31 | 2      | 0.5    |
  32 | 3      | pi     |
  33
  34 Type:
  35
  36 | (2..0) | type   |
  37 | ------ | ------ |
  38 | 0      | xyzw   |
  39 | 1      | consts |
  40 | 2-7    | rsvd   |
  41
  42 16 bit format:
  43
  44 | SwzCAM | (15..13) | (12..8)  | (7..0)|
  45 | ------ | -        | -        | ----- |
  46 | 0      | type0    | regidx0  | swiz0 |
  47 | 1      | type1    | regidx1  | swiz1 |
  48 | 2      | type2    | regidx2  | swiz2 |
  49 | 3      | type3    | regidx3  | swiz3 |