| store_src_rg coords = src.rg | |
| init_lane_masks CondMask = LoopMask = RetMask = true | |
| copy_constant ok = 0xFFFFFFFF | |
| copy_slot_unmasked $0 = ok | |
| swizzle_4 $0..3 = ($0..3).xxxx | |
| copy_4_uniforms $4..7 = colorRed | |
| copy_4_uniforms $8..11 = colorGreen | |
| mix_4_ints $0..3 = mix($4..7, $8..11, $0..3) | |
| load_src src.rgba = $0..3 |