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#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# on the rights to use, copy, modify, merge, publish, distribute, sub
# license, and/or sell copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# Authors:
# Ian Romanick <idr@us.ibm.com>
import gl_XML
import license
import sys, getopt
class PrintGlOffsets(gl_XML.gl_print_base):
def __init__(self, es=False):
gl_XML.gl_print_base.__init__(self)
self.es = es
self.name = "gl_offsets.py (from Mesa)"
self.header_tag = '_GLAPI_OFFSETS_H_'
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
return
def printBody(self, api):
abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ]
functions = []
abi_functions = []
alias_functions = []
count = 0
for f in api.functionIterateByOffset():
[category, num] = api.get_category_for_name( f.name )
if category not in abi:
functions.append( [f, count] )
count += 1
else:
abi_functions.append( f )
if self.es:
# remember functions with aliases
if [f.name] != f.entry_points:
alias_functions.append(f)
for f in abi_functions:
print '#define _gloffset_%s %d' % (f.name, f.offset)
last_static = f.offset
print ''
print '#if !defined(IN_DRI_DRIVER)'
print ''
for [f, index] in functions:
print '#define _gloffset_%s %d' % (f.name, f.offset)
print '#define _gloffset_FIRST_DYNAMIC %d' % (api.next_offset)
print ''
print '#else'
print ''
for [f, index] in functions:
print '#define _gloffset_%s driDispatchRemapTable[%s_remap_index]' % (f.name, f.name)
print ''
print '#endif /* !defined(IN_DRI_DRIVER) */'
if self.es and alias_functions:
print ''
print '/* define aliases for compatibility */'
for f in alias_functions:
for name in f.entry_points:
if name != f.name:
print '#define _gloffset_%s _gloffset_%s' % (name, f.name)
return
def show_usage():
print "Usage: %s [-f input_file_name] [-c]" % sys.argv[0]
print " -c Enable compatibility with OpenGL ES."
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "f:c")
except Exception,e:
show_usage()
es = False
for (arg,val) in args:
if arg == "-f":
file_name = val
elif arg == "-c":
es = True
api = gl_XML.parse_GL_API( file_name )
printer = PrintGlOffsets(es)
printer.Print( api )
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