#!/usr/bin/python2
# -*- Mode: Python; py-indent-offset: 8 -*-
-# (C) Copyright Zack Rusin 2005
-# All Rights Reserved.
+# (C) Copyright Zack Rusin 2005. All Rights Reserved.
+# Copyright (C) 2015 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:
# Zack Rusin <zack@kde.org>
+import argparse
+
import license
import gl_XML
import sys, getopt
class PrintGlEnums(gl_XML.gl_print_base):
- def __init__(self):
- gl_XML.gl_print_base.__init__(self)
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
- self.name = "gl_enums.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
+ self.name = "gl_enums.py (from Mesa)"
+ self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2005 Brian Paul All Rights Reserved.""", "BRIAN PAUL")
- self.enum_table = {}
-
-
- def printRealHeader(self):
- print '#include "main/glheader.h"'
- print '#include "main/mfeatures.h"'
- print '#include "main/enums.h"'
- print '#include "main/imports.h"'
- print ''
- print 'typedef struct {'
- print ' size_t offset;'
- print ' int n;'
- print '} enum_elt;'
- print ''
- return
-
- def print_code(self):
- print """
+ self.enum_table = {}
+
+
+ def printRealHeader(self):
+ print '#include "main/glheader.h"'
+ print '#include "main/enums.h"'
+ print '#include "main/imports.h"'
+ print '#include "main/mtypes.h"'
+ print ''
+ print 'typedef struct PACKED {'
+ print ' uint16_t offset;'
+ print ' int n;'
+ print '} enum_elt;'
+ print ''
+ return
+
+ def print_code(self):
+ print """
typedef int (*cfunc)(const void *, const void *);
/**
- * Compare a key name to an element in the \c all_enums array.
+ * Compare a key enum value to an element in the \c enum_string_table_offsets array.
*
* \c bsearch always passes the key as the first parameter and the pointer
* to the array element as the second parameter. We can elimiate some
* extra work by taking advantage of that fact.
*
* \param a Pointer to the desired enum name.
- * \param b Pointer to an element of the \c all_enums array.
+ * \param b Pointer into the \c enum_string_table_offsets array.
*/
-static int compar_name( const char *a, const enum_elt *b )
+static int compar_nr( const int *a, enum_elt *b )
{
- return strcmp( a, & enum_string_table[ b->offset ] );
-}
-
-/**
- * Compare a key enum value to an element in the \c all_enums array.
- *
- * \c bsearch always passes the key as the first parameter and the pointer
- * to the array element as the second parameter. We can elimiate some
- * extra work by taking advantage of that fact.
- *
- * \param a Pointer to the desired enum name.
- * \param b Pointer to an index into the \c all_enums array.
- */
-static int compar_nr( const int *a, const unsigned *b )
-{
- return a[0] - all_enums[*b].n;
+ return a[0] - b->n;
}
static char token_tmp[20];
-const char *_mesa_lookup_enum_by_nr( int nr )
+const char *_mesa_enum_to_string( int nr )
{
- unsigned * i;
+ enum_elt *elt;
+
+ STATIC_ASSERT(sizeof(enum_string_table) < (1 << 16));
- i = (unsigned *) _mesa_bsearch(& nr, reduced_enums,
- Elements(reduced_enums),
- sizeof(reduced_enums[0]),
- (cfunc) compar_nr);
+ elt = bsearch(& nr, enum_string_table_offsets,
+ ARRAY_SIZE(enum_string_table_offsets),
+ sizeof(enum_string_table_offsets[0]),
+ (cfunc) compar_nr);
- if ( i != NULL ) {
- return & enum_string_table[ all_enums[ *i ].offset ];
+ if (elt != NULL) {
+ return &enum_string_table[elt->offset];
}
else {
/* this is not re-entrant safe, no big deal here */
}
}
+/**
+ * Primitive names
+ */
+static const char *prim_names[PRIM_MAX+3] = {
+ "GL_POINTS",
+ "GL_LINES",
+ "GL_LINE_LOOP",
+ "GL_LINE_STRIP",
+ "GL_TRIANGLES",
+ "GL_TRIANGLE_STRIP",
+ "GL_TRIANGLE_FAN",
+ "GL_QUADS",
+ "GL_QUAD_STRIP",
+ "GL_POLYGON",
+ "GL_LINES_ADJACENCY",
+ "GL_LINE_STRIP_ADJACENCY",
+ "GL_TRIANGLES_ADJACENCY",
+ "GL_TRIANGLE_STRIP_ADJACENCY",
+ "GL_PATCHES",
+ "outside begin/end",
+ "unknown state"
+};
+
+
/* Get the name of an enum given that it is a primitive type. Avoids
* GL_FALSE/GL_POINTS ambiguity and others.
*/
-const char *_mesa_lookup_prim_by_nr( int nr )
+const char *
+_mesa_lookup_prim_by_nr(GLuint nr)
{
- switch (nr) {
- case GL_POINTS: return "GL_POINTS";
- case GL_LINES: return "GL_LINES";
- case GL_LINE_STRIP: return "GL_LINE_STRIP";
- case GL_LINE_LOOP: return "GL_LINE_LOOP";
- case GL_TRIANGLES: return "GL_TRIANGLES";
- case GL_TRIANGLE_STRIP: return "GL_TRIANGLE_STRIP";
- case GL_TRIANGLE_FAN: return "GL_TRIANGLE_FAN";
- case GL_QUADS: return "GL_QUADS";
- case GL_QUAD_STRIP: return "GL_QUAD_STRIP";
- case GL_POLYGON: return "GL_POLYGON";
- case GL_POLYGON+1: return "OUTSIDE_BEGIN_END";
- default: return "<invalid>";
- }
+ if (nr < ARRAY_SIZE(prim_names))
+ return prim_names[nr];
+ else
+ return "invalid mode";
}
-
-int _mesa_lookup_enum_by_name( const char *symbol )
-{
- enum_elt * f = NULL;
-
- if ( symbol != NULL ) {
- f = (enum_elt *) _mesa_bsearch(symbol, all_enums,
- Elements(all_enums),
- sizeof( enum_elt ),
- (cfunc) compar_name);
- }
-
- return (f != NULL) ? f->n : -1;
-}
-
"""
- return
-
+ return
- def printBody(self, api_list):
- self.enum_table = {}
- for api in api_list:
- self.process_enums( api )
- keys = self.enum_table.keys()
- keys.sort()
+ def printBody(self, api_list):
+ self.enum_table = {}
+ for api in api_list:
+ self.process_enums( api )
- name_table = []
- enum_table = {}
+ enum_table = []
- for enum in keys:
- low_pri = 9
- for [name, pri] in self.enum_table[ enum ]:
- name_table.append( [name, enum] )
+ for enum in sorted(self.enum_table.keys()):
+ low_pri = 9
+ best_name = ''
+ for [name, pri] in self.enum_table[ enum ]:
+ if pri < low_pri:
+ low_pri = pri
+ best_name = name
- if pri < low_pri:
- low_pri = pri
- enum_table[enum] = name
-
+ enum_table.append((enum, best_name))
- name_table.sort()
+ string_offsets = {}
+ i = 0;
+ print '#if defined(__GNUC__)'
+ print '# define LONGSTRING __extension__'
+ print '#else'
+ print '# define LONGSTRING'
+ print '#endif'
+ print ''
+ print 'LONGSTRING static const char enum_string_table[] = '
+ for enum, name in enum_table:
+ print ' "%s\\0"' % (name)
+ string_offsets[ enum ] = i
+ i += len(name) + 1
- string_offsets = {}
- i = 0;
- print 'LONGSTRING static const char enum_string_table[] = '
- for [name, enum] in name_table:
- print ' "%s\\0"' % (name)
- string_offsets[ name ] = i
- i += len(name) + 1
+ print ' ;'
+ print ''
- print ' ;'
- print ''
+ print 'static const enum_elt enum_string_table_offsets[%u] =' % (len(enum_table))
+ print '{'
+ for enum, name in enum_table:
+ print ' { %5u, 0x%08X }, /* %s */' % (string_offsets[enum], enum, name)
+ print '};'
+ print ''
- print 'static const enum_elt all_enums[%u] =' % (len(name_table))
- print '{'
- for [name, enum] in name_table:
- print ' { %5u, 0x%08X }, /* %s */' % (string_offsets[name], enum, name)
- print '};'
- print ''
+ self.print_code()
+ return
- print 'static const unsigned reduced_enums[%u] =' % (len(keys))
- print '{'
- for enum in keys:
- name = enum_table[ enum ]
- if [name, enum] not in name_table:
- print ' /* Error! %s, 0x%04x */ 0,' % (name, enum)
- else:
- i = name_table.index( [name, enum] )
- print ' %4u, /* %s */' % (i, name)
- print '};'
+ def process_enums(self, api):
+ for obj in api.enumIterateByName():
+ if obj.value not in self.enum_table:
+ self.enum_table[ obj.value ] = []
- self.print_code()
- return
+ enum = self.enum_table[ obj.value ]
+ name = "GL_" + obj.name
+ priority = obj.priority()
+ already_in = False;
+ for n, p in enum:
+ if n == name:
+ already_in = True
+ if not already_in:
+ enum.append( [name, priority] )
- def process_enums(self, api):
- for obj in api.enumIterateByName():
- if obj.value not in self.enum_table:
- self.enum_table[ obj.value ] = []
+def _parser():
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f', '--input_file',
+ required=True,
+ help="Choose an xml file to parse.")
+ return parser.parse_args()
- enum = self.enum_table[ obj.value ]
- name = "GL_" + obj.name
- priority = obj.priority()
- already_in = False;
- for n, p in enum:
- if n == name:
- already_in = True
- if not already_in:
- enum.append( [name, priority] )
+def main():
+ args = _parser()
+ api_list = [gl_XML.parse_GL_API(args.input_file)]
+ printer = PrintGlEnums()
+ printer.Print(api_list)
-def show_usage():
- print "Usage: %s [-f input_file_name]" % sys.argv[0]
- sys.exit(1)
if __name__ == '__main__':
- try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:")
- except Exception,e:
- show_usage()
-
- api_list = []
- for (arg,val) in args:
- if arg == "-f":
- api = gl_XML.parse_GL_API( val )
- api_list.append(api);
-
- printer = PrintGlEnums()
- printer.Print( api_list )
+ main()
projects / mesa.git / blobdiff