-#!/usr/bin/python2
# (C) Copyright IBM Corporation 2004
# All Rights Reserved.
+# Copyright (c) 2014 Intel Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# Authors:
# Ian Romanick <idr@us.ibm.com>
+from __future__ import print_function
+
+import argparse
+
import gl_XML
import license
-import sys, getopt
+
class PrintGlTable(gl_XML.gl_print_base):
- def __init__(self, es=False):
- gl_XML.gl_print_base.__init__(self)
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
- self.es = es
- self.header_tag = '_GLAPI_TABLE_H_'
- self.name = "gl_table.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
+ self.header_tag = '_GLAPI_TABLE_H_'
+ self.name = "gl_table.py (from Mesa)"
+ self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
- return
-
-
- def printBody(self, api):
- for f in api.functionIterateByOffset():
- arg_string = f.get_parameter_string()
- print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % (f.return_type, f.name, arg_string, f.offset)
-
-
- def printRealHeader(self):
- print '#ifndef GLAPIENTRYP'
- print '# ifndef GLAPIENTRY'
- print '# define GLAPIENTRY'
- print '# endif'
- print ''
- print '# define GLAPIENTRYP GLAPIENTRY *'
- print '#endif'
- print ''
- print ''
- print 'struct _glapi_table'
- print '{'
- return
-
-
- def printRealFooter(self):
- print '};'
- return
+ return
+
+ def printBody(self, api):
+ for f in api.functionIterateByOffset():
+ arg_string = f.get_parameter_string()
+ print(' %s (GLAPIENTRYP %s)(%s); /* %d */' % (
+ f.return_type, f.name, arg_string, f.offset))
+
+ def printRealHeader(self):
+ print('#ifndef GLAPIENTRYP')
+ print('# ifndef GLAPIENTRY')
+ print('# define GLAPIENTRY')
+ print('# endif')
+ print('')
+ print('# define GLAPIENTRYP GLAPIENTRY *')
+ print('#endif')
+ print('')
+ print('')
+ print('#ifdef __cplusplus')
+ print('extern "C" {')
+ print('#endif')
+ print('')
+ print('struct _glapi_table')
+ print('{')
+ return
+
+ def printRealFooter(self):
+ print('};')
+ print('')
+ print('#ifdef __cplusplus')
+ print('}')
+ print('#endif')
+ return
class PrintRemapTable(gl_XML.gl_print_base):
- def __init__(self, es=False):
- gl_XML.gl_print_base.__init__(self)
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
- self.es = es
- self.header_tag = '_GLAPI_DISPATCH_H_'
- self.name = "gl_table.py (from Mesa)"
- self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
- return
+ self.header_tag = '_DISPATCH_H_'
+ self.name = "gl_table.py (from Mesa)"
+ self.license = license.bsd_license_template % (
+ "(C) Copyright IBM Corporation 2005", "IBM")
+ return
- def printRealHeader(self):
- print """
-/* this file should not be included directly in mesa */
-
+ def printRealHeader(self):
+ print("""
/**
- * \\file glapidispatch.h
+ * \\file main/dispatch.h
* Macros for handling GL dispatch tables.
*
* For each known GL function, there are 3 macros in this file. The first
* can SET_FuncName, are used to get and set the dispatch pointer for the
* named function in the specified dispatch table.
*/
-"""
-
- return
-
- def printBody(self, api):
- print '#define CALL_by_offset(disp, cast, offset, parameters) \\'
- print ' (*(cast (GET_by_offset(disp, offset)))) parameters'
- print '#define GET_by_offset(disp, offset) \\'
- print ' (offset >= 0) ? (((_glapi_proc *)(disp))[offset]) : NULL'
- print '#define SET_by_offset(disp, offset, fn) \\'
- print ' do { \\'
- print ' if ( (offset) < 0 ) { \\'
- print ' /* fprintf( stderr, "[%s:%u] SET_by_offset(%p, %d, %s)!\\n", */ \\'
- print ' /* __func__, __LINE__, disp, offset, # fn); */ \\'
- print ' /* abort(); */ \\'
- print ' } \\'
- print ' else { \\'
- print ' ( (_glapi_proc *) (disp) )[offset] = (_glapi_proc) fn; \\'
- print ' } \\'
- print ' } while(0)'
- print ''
-
- functions = []
- abi_functions = []
- alias_functions = []
- count = 0
- for f in api.functionIterateByOffset():
- if not f.is_abi():
- functions.append( [f, count] )
- count += 1
- else:
- abi_functions.append( f )
-
- if self.es:
- # remember functions with aliases
- if len(f.entry_points) > 1:
- alias_functions.append(f)
-
-
- for f in abi_functions:
- print '#define CALL_%s(disp, parameters) (*((disp)->%s)) parameters' % (f.name, f.name)
- print '#define GET_%s(disp) ((disp)->%s)' % (f.name, f.name)
- print '#define SET_%s(disp, fn) ((disp)->%s = fn)' % (f.name, f.name)
-
-
- print ''
- print '#if !defined(_GLAPI_USE_REMAP_TABLE)'
- print ''
-
- for [f, index] in functions:
- print '#define CALL_%s(disp, parameters) (*((disp)->%s)) parameters' % (f.name, f.name)
- print '#define GET_%s(disp) ((disp)->%s)' % (f.name, f.name)
- print '#define SET_%s(disp, fn) ((disp)->%s = fn)' % (f.name, f.name)
-
- print ''
- print '#else'
- print ''
- print '#define driDispatchRemapTable_size %u' % (count)
- print 'extern int driDispatchRemapTable[ driDispatchRemapTable_size ];'
- print ''
-
- for [f, index] in functions:
- print '#define %s_remap_index %u' % (f.name, index)
-
- print ''
-
- for [f, index] in functions:
- arg_string = gl_XML.create_parameter_string( f.parameters, 0 )
- cast = '%s (GLAPIENTRYP)(%s)' % (f.return_type, arg_string)
-
- print '#define CALL_%s(disp, parameters) CALL_by_offset(disp, (%s), driDispatchRemapTable[%s_remap_index], parameters)' % (f.name, cast, f.name)
- print '#define GET_%s(disp) GET_by_offset(disp, driDispatchRemapTable[%s_remap_index])' % (f.name, f.name)
- print '#define SET_%s(disp, fn) SET_by_offset(disp, driDispatchRemapTable[%s_remap_index], fn)' % (f.name, f.name)
-
-
- print ''
- print '#endif /* !defined(_GLAPI_USE_REMAP_TABLE) */'
-
- if 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 CALL_%s(disp, parameters) CALL_%s(disp, parameters)' % (name, f.name)
- print '#define GET_%s(disp) GET_%s(disp)' % (name, f.name)
- print '#define SET_%s(disp, fn) SET_%s(disp, fn)' % (name, f.name)
- print ''
-
- print '#if defined(_GLAPI_USE_REMAP_TABLE)'
- for f in alias_functions:
- for name in f.entry_points:
- if name != f.name:
- print '#define %s_remap_index %s_remap_index' % (name, f.name)
- print '#endif /* defined(_GLAPI_USE_REMAP_TABLE) */'
- print ''
-
- return
-
-
-def show_usage():
- print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0]
- print " -m mode Mode can be 'table' or 'remap_table'."
- print " -c Enable compatibility with OpenGL ES."
- sys.exit(1)
+
+#include "main/glheader.h"
+""")
+ print('#include "main/glheader.h"')
+ return
+
+
+ def printBody(self, api):
+ print('#define CALL_by_offset(disp, cast, offset, parameters) \\')
+ print(' (*(cast (GET_by_offset(disp, offset)))) parameters')
+ print('#define GET_by_offset(disp, offset) \\')
+ print(' (offset >= 0) ? (((_glapi_proc *)(disp))[offset]) : NULL')
+ print('#define SET_by_offset(disp, offset, fn) \\')
+ print(' do { \\')
+ print(' if ( (offset) < 0 ) { \\')
+ print(' /* fprintf( stderr, "[%s:%u] SET_by_offset(%p, %d, %s)!\\n", */ \\')
+ print(' /* __func__, __LINE__, disp, offset, # fn); */ \\')
+ print(' /* abort(); */ \\')
+ print(' } \\')
+ print(' else { \\')
+ print(' ( (_glapi_proc *) (disp) )[offset] = (_glapi_proc) fn; \\')
+ print(' } \\')
+ print(' } while(0)')
+ print('')
+
+ functions = []
+ abi_functions = []
+ count = 0
+ for f in api.functionIterateByOffset():
+ if not f.is_abi():
+ functions.append([f, count])
+ count += 1
+ else:
+ abi_functions.append([f, -1])
+
+ print('/* total number of offsets below */')
+ print('#define _gloffset_COUNT %d' % (len(abi_functions + functions)))
+ print('')
+
+ for f, index in abi_functions:
+ print('#define _gloffset_%s %d' % (f.name, f.offset))
+
+ remap_table = "driDispatchRemapTable"
+
+ print('#define %s_size %u' % (remap_table, count))
+ print('extern int %s[ %s_size ];' % (remap_table, remap_table))
+ print('')
+
+ for f, index in functions:
+ print('#define %s_remap_index %u' % (f.name, index))
+
+ print('')
+
+ for f, index in functions:
+ print('#define _gloffset_%s %s[%s_remap_index]' % (f.name, remap_table, f.name))
+
+ print('')
+
+ for f, index in abi_functions + functions:
+ arg_string = gl_XML.create_parameter_string(f.parameters, 0)
+
+ print('typedef %s (GLAPIENTRYP _glptr_%s)(%s);' % (f.return_type, f.name, arg_string))
+ print('#define CALL_%s(disp, parameters) \\' % (f.name))
+ print(' (* GET_%s(disp)) parameters' % (f.name))
+ print('static inline _glptr_%s GET_%s(struct _glapi_table *disp) {' % (f.name, f.name))
+ print(' return (_glptr_%s) (GET_by_offset(disp, _gloffset_%s));' % (f.name, f.name))
+ print('}')
+ print()
+ print('static inline void SET_%s(struct _glapi_table *disp, %s (GLAPIENTRYP fn)(%s)) {' % (f.name, f.return_type, arg_string))
+ print(' SET_by_offset(disp, _gloffset_%s, fn);' % (f.name))
+ print('}')
+ print()
+
+ return
+
+
+def _parser():
+ """Parse arguments and return a namespace."""
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f', '--filename',
+ default='gl_API.xml',
+ metavar="input_file_name",
+ dest='file_name',
+ help="Path to an XML description of OpenGL API.")
+ parser.add_argument('-m', '--mode',
+ choices=['table', 'remap_table'],
+ default='table',
+ metavar="mode",
+ help="Generate either a table or a remap_table")
+ return parser.parse_args()
+
+
+def main():
+ """Main function."""
+ args = _parser()
+
+ api = gl_XML.parse_GL_API(args.file_name)
+
+ if args.mode == "table":
+ printer = PrintGlTable()
+ elif args.mode == "remap_table":
+ printer = PrintRemapTable()
+
+ printer.Print(api)
+
if __name__ == '__main__':
- file_name = "gl_API.xml"
-
- try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:m:c")
- except Exception,e:
- show_usage()
-
- mode = "table"
- es = False
- for (arg,val) in args:
- if arg == "-f":
- file_name = val
- elif arg == "-m":
- mode = val
- elif arg == "-c":
- es = True
-
- if mode == "table":
- printer = PrintGlTable(es)
- elif mode == "remap_table":
- printer = PrintRemapTable(es)
- else:
- show_usage()
-
- api = gl_XML.parse_GL_API( file_name )
-
- printer.Print( api )
+ main()