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# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.
from __future__ import print_function
import sys, string
sys.path.append( "../glapi_parser" )
import apiutil
if len(sys.argv) != 2:
print >> sys.stderr, "Usage: %s <filename>" % sys.argv[0]
sys.exit(-1)
file = open(sys.argv[1])
print("/* THIS FILE IS AUTOGENERATED FROM %s BY pack_swap.py */\n\n" % sys.argv[1])
for line in file.readlines():
line = line.rstrip()
if line.find( "crPackAlloc" ) != -1 or line.find( "crPackFree" ) != -1:
print(line)
continue
elif line.find( "crPack" ) != -1:
fun_index = line.find( "crPack" )
paren_index = line.find( "(", fun_index )
space_index = line.find( " ", fun_index )
quote_index = line.find( '"', fun_index )
if paren_index == -1:
paren_index = 1000000; # HACK HACK
if space_index == -1:
space_index = 1000000; # HACK HACK
if quote_index == -1:
quote_index = 1000000; # HACK HACK
the_index = min( min( paren_index, space_index ), quote_index )
print("%sSWAP%s" % (line[:the_index], line[the_index:]))
elif line.find("WRITE_DATA_AI") != -1:
lparen_index = line.find( "(" )
rparen_index = line.rfind( ")" )
args = list(map( str.strip, line[lparen_index+1:rparen_index].split( "," ) ))
indentation = line[:line.find( "WRITE_DATA_AI" )]
if apiutil.sizeof(args[0]) == 1:
print("%sWRITE_DATA_AI(%s, %s);" % (indentation, args[0], args[1]))
elif apiutil.sizeof(args[0]) == 2:
print("%sWRITE_DATA_AI(%s, SWAP16(%s) );" % (indentation, args[0], args[1]))
elif args[0] == 'GLfloat' or args[0] == 'GLclampf':
print("%sWRITE_DATA_AI(GLuint, SWAPFLOAT(%s) );" % (indentation, args[0]))
elif apiutil.sizeof(args[0]) == 4:
print("%sWRITE_DATA_AI(%s, SWAP32(%s));" % (indentation, args[0], args[1]))
else:
print >> sys.stderr, "UNKNOWN TYPE FOR WRITE_DATA: %s" % args[1]
sys.exit(-1)
elif line.find( "WRITE_DATA" ) != -1:
lparen_index = line.find( "(" )
rparen_index = line.rfind( ")" )
args = list(map( str.strip, line[lparen_index+1:rparen_index].split( "," ) ))
indentation = line[:line.find( "WRITE_DATA" )]
if apiutil.sizeof(args[1]) == 1:
print("%sWRITE_DATA(%s, %s, %s);" % (indentation, args[0], args[1], args[2]))
elif apiutil.sizeof(args[1]) == 2:
print("%sWRITE_DATA(%s, %s, SWAP16(%s));" % (indentation, args[0], args[1], args[2]))
elif args[1] == 'GLfloat' or args[1] == 'GLclampf':
print("%sWRITE_DATA(%s, GLuint, SWAPFLOAT(%s));" % (indentation, args[0], args[2]))
elif apiutil.sizeof(args[1]) == 4:
print("%sWRITE_DATA(%s, %s, SWAP32(%s));" % (indentation, args[0], args[1], args[2]))
else:
print >> sys.stderr, "UNKNOWN TYPE FOR WRITE_DATA: %s" % args[1]
sys.exit(-1)
elif line.find( "WRITE_DOUBLE" ) != -1:
print(line.replace( "WRITE_DOUBLE", "WRITE_SWAPPED_DOUBLE" ))
else:
print(line)
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