ac/nir: Some NGG culling related code cleanup.
Minor code cleanup related to the NGG culling code:
- Improve code readability
- Trade 1 VALU instruction for 2 SALU instructions in workgroup scan
Edited by Timur Kristóf
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Minor code cleanup related to the NGG culling code: