1 files changed, 120 insertions, 0 deletions
diff --git a/xc/extras/Mesa/bin/gloffsets.py b/xc/extras/Mesa/bin/gloffsets.py
new file mode 100755
index 000000000..e9ecbb949
--- /dev/null
+++ b/xc/extras/Mesa/bin/gloffsets.py
@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+
+# $Id: gloffsets.py,v 1.1 2000/12/05 16:38:39 dawes Exp $
+
+# Mesa 3-D graphics library
+# Version:  3.3
+# 
+# Copyright (C) 1999-2000  Brian Paul   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
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+# BRIAN PAUL 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.
+
+
+# Generate the glapioffsets.h file.
+#
+# Usage:
+#    gloffsets.py >glapioffsets.h
+#
+# Dependencies:
+#    The gl.spec file from the SI must be in the current directory.
+#
+# Brian Paul  3 February 2000
+
+
+import string
+import re
+
+
+def PrintHead():
+	print '/* DO NOT EDIT - This file generated automatically by gloffsets.py script */'
+	print '#ifndef _GLAPI_OFFSETS_H_'
+	print '#define _GLAPI_OFFSETS_H_'
+	print ''
+	return
+#endif
+
+
+def PrintTail():
+	print ''
+	print '#endif'
+#endif
+
+
+def GenerateDefine(name, offset):
+	s = '#define _gloffset_' + name + ' ' + str(offset)
+	return s;
+#enddef
+
+
+def PrintDefines():
+	functionPattern = re.compile('^[a-zA-Z0-9]+\(')
+	functionNamePattern = re.compile('^[a-zA-Z0-9]+')
+
+	funcName = ''
+
+	maxOffset = 0
+	offsetInfo = { }
+
+	f = open('gl.spec')
+	for line in f.readlines():
+
+		m = functionPattern.match(line)
+		if m:
+			# extract funcName
+			n = functionNamePattern.findall(line)
+			funcName = n[0]
+
+		m = string.split(line)
+		if len(m) > 1:
+			if m[0] == 'param':
+				paramName = m[1]
+			if m[0] == 'offset':
+				if m[1] == '?':
+					#print 'WARNING skipping', funcName
+					noop = 0
+				else:
+					funcOffset = int(m[1])
+					if funcOffset > maxOffset:
+						maxOffset = funcOffset
+					s = GenerateDefine(funcName, funcOffset)
+					if offsetInfo.has_key(funcOffset):
+						print 'ERROR: offset', funcOffset, 'already used!'
+						raise ERROR
+					else:
+						offsetInfo[funcOffset] = s;
+					#endif
+				#endif
+			#endif
+		#endif
+	#endfor
+
+	# Now print the #defines in order of dispatch offset
+	for i in range(0, maxOffset + 1):
+		if offsetInfo.has_key(i):
+			print offsetInfo[i]
+		else:
+			print 'ERROR: missing offset:', i
+			raise ERROR
+
+#enddef
+
+
+
+PrintHead()
+PrintDefines()
+PrintTail()