| 1. store_src_rg coords = src.rg | |
| 2. init_lane_masks CondMask = LoopMask = RetMask = true | |
| 3. zero_slot_unmasked $0 = 0 | |
| 4. copy_constant $1 = 0x3F800000 (1.0) | |
| 5. zero_slot_unmasked $2 = 0 | |
| 6. copy_constant $3 = 0x3F800000 (1.0) | |
| 7. load_src src.rgba = $0..3 |