| 1. store_src_rg coords = src.rg | |
| 2. init_lane_masks CondMask = LoopMask = RetMask = true | |
| 3. zero_slot_unmasked x(0) = 0 | |
| 4. copy_constant x(1) = 0x3F800000 (1.0) | |
| 5. copy_constant x(2) = 0x40000000 (2.0) | |
| 6. copy_constant x(3) = 0x40400000 (3.0) | |
| 7. copy_2_slots_unmasked y = x(0..1) | |
| 8. copy_2_slots_unmasked $0..1 = y | |
| 9. zero_slot_unmasked $2 = 0 | |
| 10. copy_constant $3 = 0x3F800000 (1.0) | |
| 11. load_src src.rgba = $0..3 |