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util/format: expose generated format packing functions through a header

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Some of the generated functions can be useful without going through the
format table (filling border color struct in turnip). By not calling these
functions through the format table, we should eventually be able to garbage
collect the unused packing functions, and also allows LTOs to happen.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6093>
This commit is contained in:
Jonathan Marek
2020-08-04 23:32:11 -04:00
committed by Marge Bot
parent a322924d9c
commit 84ed2d0980
5 changed files with 51 additions and 16 deletions
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src/util/format/u_format_table.py
+23 -11
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@@ -30,7 +30,7 @@ CopyRight = '''
'''
import sys
import sys, os
from u_format_parse import *
import u_format_pack
@@ -112,19 +112,24 @@ def has_access(format):
return False
return True
def write_format_table(formats):
print('/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */')
print()
def write_format_table_header(file):
print('/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */', file=file)
print(file=file)
# This will print the copyright message on the top of this file
print(CopyRight.strip())
print()
print('#include "u_format.h"')
print(CopyRight.strip(), file=file)
print(file=file)
print('#include "util/format/u_format.h"', file=file)
def write_format_table(formats):
write_format_table_header(sys.stdout)
print('#include "u_format_bptc.h"')
print('#include "u_format_s3tc.h"')
print('#include "u_format_rgtc.h"')
print('#include "u_format_latc.h"')
print('#include "u_format_etc.h"')
print()
write_format_table_header(sys.stdout2)
u_format_pack.generate(formats)
@@ -261,12 +266,19 @@ def write_format_table(formats):
generate_table_getter("unpack_")
def main():
formats = []
for arg in sys.argv[1:]:
formats.extend(parse(arg))
write_format_table(formats)
sys.stdout2 = open(os.devnull, "w")
for arg in sys.argv[1:]:
if arg == '--header':
sys.stdout2 = sys.stdout
sys.stdout = open(os.devnull, "w")
continue
formats.extend(parse(arg))
write_format_table(formats)
if __name__ == '__main__':
main()