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-rw-r--r--src/mesa/glapi/gl_enums.py217
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diff --git a/src/mesa/glapi/gl_enums.py b/src/mesa/glapi/gl_enums.py
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+++ b/src/mesa/glapi/gl_enums.py
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+#!/usr/bin/python2
+# -*- Mode: Python; py-indent-offset: 8 -*-
+
+# (C) Copyright Zack Rusin 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:
+# Zack Rusin <zack@kde.org>
+
+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)
+
+ 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 "glheader.h"'
+ print '#include "enums.h"'
+ print '#include "imports.h"'
+ print ''
+ print 'typedef struct {'
+ print ' size_t offset;'
+ print ' int n;'
+ print '} enum_elt;'
+ print ''
+ return
+
+ def print_code(self):
+ print """
+#define Elements(x) sizeof(x)/sizeof(*x)
+
+typedef int (*cfunc)(const void *, const void *);
+
+/**
+ * Compare a key name 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 element of the \c all_enums array.
+ */
+static int compar_name( const char *a, const enum_elt *b )
+{
+ return _mesa_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;
+}
+
+
+static char token_tmp[20];
+
+const char *_mesa_lookup_enum_by_nr( int nr )
+{
+ unsigned * i;
+
+ i = (unsigned *)bsearch( & nr, reduced_enums, Elements(reduced_enums),
+ sizeof(reduced_enums[0]), (cfunc) compar_nr );
+
+ if ( i != NULL ) {
+ return & enum_string_table[ all_enums[ *i ].offset ];
+ }
+ else {
+ /* this is not re-entrant safe, no big deal here */
+ _mesa_sprintf(token_tmp, "0x%x", nr);
+ return token_tmp;
+ }
+}
+
+int _mesa_lookup_enum_by_name( const char *symbol )
+{
+ enum_elt * f = NULL;
+
+ if ( symbol != NULL ) {
+ f = (enum_elt *)bsearch( symbol, all_enums, Elements(all_enums),
+ sizeof( enum_elt ), (cfunc) compar_name );
+ }
+
+ return (f != NULL) ? f->n : -1;
+}
+
+"""
+ return
+
+
+ def printBody(self, api):
+ self.process_enums( api )
+
+ keys = self.enum_table.keys()
+ keys.sort()
+
+ name_table = []
+ enum_table = {}
+
+ for enum in keys:
+ low_pri = 9
+ for [name, pri] in self.enum_table[ enum ]:
+ name_table.append( [name, enum] )
+
+ if pri < low_pri:
+ low_pri = pri
+ enum_table[enum] = name
+
+
+ name_table.sort()
+
+ string_offsets = {}
+ i = 0;
+ print '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 '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 ''
+
+ 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 '};'
+
+
+ self.print_code()
+ return
+
+
+ def process_enums(self, api):
+ self.enum_table = {}
+
+ for obj in api.enumIterateByName():
+ if obj.value not in self.enum_table:
+ self.enum_table[ obj.value ] = []
+
+
+ name = "GL_" + obj.name
+ priority = obj.priority()
+ self.enum_table[ obj.value ].append( [name, priority] )
+
+
+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:], "f:")
+ except Exception,e:
+ show_usage()
+
+ for (arg,val) in args:
+ if arg == "-f":
+ file_name = val
+
+ api = gl_XML.parse_GL_API( file_name )
+
+ printer = PrintGlEnums()
+ printer.Print( api )