| 1. store_src_rg v0..1 = src.rg | |
| 2. init_lane_masks CondMask = LoopMask = RetMask = true | |
| 3. store_device_xy01 sk_FragCoord = DeviceCoords.xy01 | |
| 4. copy_4_slots_unmasked $0..3 = sk_FragCoord | |
| 5. swizzle_2 $0..1 = ($0..1).yx | |
| 6. copy_constant $2 = 0x3F800000 (1.0) | |
| 7. copy_constant $3 = 0x3F800000 (1.0) | |
| 8. load_src src.rgba = $0..3 |