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#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# (C) Copyright Apple Inc. 2011
# 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:
# Jeremy Huddleston <jeremyhu@apple.com>
#
# Based on code ogiginally by:
# Ian Romanick <idr@us.ibm.com>
import license
import gl_XML, glX_XML
import sys, getopt
header = """
#include <dlfcn.h>
#include <stdlib.h>
#include <stdio.h>
#include <GL/gl.h>
#include "glapi.h"
#include "glapitable.h"
#include "main/dispatch.h"
struct _glapi_table *
_glapi_create_table_from_handle(void *handle, const char *symbol_prefix) {
struct _glapi_table *disp = calloc(1, sizeof(struct _glapi_table));
char symboln[512];
if(!disp)
return NULL;
"""
footer = """
return disp;
}
"""
body_template = """
if(!disp->%(name)s) {
snprintf(symboln, sizeof(symboln), "%%s%(entry_point)s", symbol_prefix);
SET_%(name)s(disp, dlsym(handle, symboln));
}
"""
class PrintCode(gl_XML.gl_print_base):
def __init__(self):
gl_XML.gl_print_base.__init__(self)
self.name = "gl_gen_table.py (from Mesa)"
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004, 2005
(C) Copyright Apple Inc 2011""", "BRIAN PAUL, IBM")
return
def get_stack_size(self, f):
size = 0
for p in f.parameterIterator():
if p.is_padding:
continue
size += p.get_stack_size()
return size
def printRealHeader(self):
print header
return
def printRealFooter(self):
print footer
return
def printBody(self, api):
for f in api.functionIterateByOffset():
for entry_point in f.entry_points:
vars = { 'entry_point' : entry_point,
'name' : f.name }
print body_template % vars
return
def show_usage():
print "Usage: %s [-f input_file_name]" % sys.argv[0]
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "m:f:")
except Exception,e:
show_usage()
for (arg,val) in args:
if arg == "-f":
file_name = val
printer = PrintCode()
api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
printer.Print(api)
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