| store_src_rg coords = src.rg | |
| init_lane_masks CondMask = LoopMask = RetMask = true | |
| copy_constant $0 = 0x3F800000 (1.0) | |
| copy_constant $1 = 0x40000000 (2.0) | |
| copy_constant $2 = 0x40400000 (3.0) | |
| copy_constant $3 = 0x40800000 (4.0) | |
| load_src src.rgba = $0..3 |