gallium: Skip generating the pack/unpack union if we don't use it.

Shaves 30k off of the 1.6M .c file, and makes for less noise for me
trying to understand how gallium formats actually work.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Acked-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/auxiliary/util/u_format_pack.py b/src/gallium/auxiliary/util/u_format_pack.py
index b43851720ad57fc25f9a6f2f18c16bbf31378a01..dbffb9bef6b34e1e984692240be44bb67a273a93 100644 (file)
--- a/src/gallium/auxiliary/util/u_format_pack.py
+++ b/src/gallium/auxiliary/util/u_format_pack.py
@@ -714,7 +714,7 @@ def generate(formats):
     for format in formats:
         if not is_format_hand_written(format):
             
-            if is_format_supported(format):
+            if is_format_supported(format) and not format.is_bitmask():
                 generate_format_type(format)
 
             if format.is_pure_unsigned():