diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/glapi/gl_procs.py')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/glapi/gl_procs.py | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/glapi/gl_procs.py b/nx-X11/extras/Mesa/src/mesa/glapi/gl_procs.py new file mode 100644 index 000000000..1ad683de5 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/glapi/gl_procs.py @@ -0,0 +1,155 @@ +#!/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 license +import gl_XML +import sys, getopt + +class PrintGlProcs(gl_XML.gl_print_base): + def __init__(self, long_strings): + gl_XML.gl_print_base.__init__(self) + + self.long_strings = long_strings + self.name = "gl_procs.py (from Mesa)" + self.license = license.bsd_license_template % ( \ +"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved. +(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM") + + + def printRealHeader(self): + print '/* This file is only included by glapi.c and is used for' + print ' * the GetProcAddress() function' + print ' */' + print '' + print 'typedef struct {' + print ' GLint Name_offset;' + print '#ifdef NEED_FUNCTION_POINTER' + print ' _glapi_proc Address;' + print '#endif' + print ' GLuint Offset;' + print '} glprocs_table_t;' + print '' + print '#ifdef NEED_FUNCTION_POINTER' + print '# define NAME_FUNC_OFFSET(n,f,o) { n , (_glapi_proc) f , o }' + print '#else' + print '# define NAME_FUNC_OFFSET(n,f,o) { n , o }' + print '#endif' + print '' + return + + def printRealFooter(self): + print '' + print '#undef NAME_FUNC_OFFSET' + return + + def printFunctionString(self, name): + if self.long_strings: + print ' "gl%s\\0"' % (name) + else: + print " 'g','l',", + for c in name: + print "'%s'," % (c), + + print "'\\0'," + + + def printBody(self, api): + print '' + if self.long_strings: + print 'static const char gl_string_table[] =' + else: + print 'static const char gl_string_table[] = {' + + base_offset = 0 + table = [] + for func in api.functionIterateByOffset(): + self.printFunctionString( func.name ) + table.append((base_offset, func.name, func.name)) + + # The length of the function's name, plus 2 for "gl", + # plus 1 for the NUL. + + base_offset += len(func.name) + 3 + + + for func in api.functionIterateByOffset(): + for n in func.entry_points: + if n != func.name: + self.printFunctionString( n ) + table.append((base_offset, n, func.name)) + base_offset += len(n) + 3 + + + if self.long_strings: + print ' ;' + else: + print '};' + + print '' + print 'static const glprocs_table_t static_functions[] = {' + + for (offset, disp_name, real_name) in table: + print ' NAME_FUNC_OFFSET( % 5u, gl%s, _gloffset_%s ),' % (offset, disp_name, real_name) + + print ' NAME_FUNC_OFFSET( -1, NULL, 0 )' + print '};' + return + + +def show_usage(): + print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0] + print "mode can be one of:" + print " long - Create code for compilers that can handle very " + print " long string constants. (default)" + print " short - Create code for compilers that can only handle " + print " ANSI C89 string constants." + sys.exit(1) + +if __name__ == '__main__': + file_name = "gl_API.xml" + + try: + (args, trail) = getopt.getopt(sys.argv[1:], "f:m:") + except Exception,e: + show_usage() + + long_string = 1 + for (arg,val) in args: + if arg == "-f": + file_name = val + elif arg == "-m": + if val == "short": + long_string = 0 + elif val == "long": + long_string = 1 + else: + show_usage() + + api = gl_XML.parse_GL_API( file_name ) + + printer = PrintGlProcs( long_string ) + printer.Print( api ) |