Commit the helper script used to generate the opengl32 call specs.

Based from Mesa.

diff --git a/gl_trace.py b/gl_trace.py
new file mode 100644 (file)
index 0000000..fa4e19c
--- /dev/null
+++ b/gl_trace.py
@@ -0,0 +1,117 @@
+#!/usr/bin/python
+
+# Copyright 2008 VMware, Inc.
+# Copyright 2004 IBM Corporation
+# 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
+# THE AUTHORS 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.
+
+import gl_XML
+import license
+import sys, getopt
+
+type_map = {
+   'void': 'Void',
+   'int': 'Int',
+   'float': 'Float',
+}
+
+def parse_type(tokens, count = 0):
+    if count:
+        if tokens[-1] == '**':
+            return 'Array(Pointer(%s), "%s")' % (parse_type(tokens[:-1]), count)
+        if tokens[-1] == '*':
+            return 'Array(%s, "%s")' % (parse_type(tokens[:-1]), count)
+    else:
+        if tokens[-1] == '**':
+            return 'Pointer(Pointer(%s))' % parse_type(tokens[:-1])
+        if tokens[-1] == '*':
+            return 'Pointer(%s)' % parse_type(tokens[:-1])
+    if tokens[-1] == 'const':
+        return 'Const(%s)' % parse_type(tokens[:-1])
+    if tokens[0] == 'const':
+        return 'Const(%s)' % parse_type(tokens[1:])
+    assert len(tokens) == 1
+    base = tokens[0]
+    return type_map.get(base, base)
+
+def get_type(t, count = 0):
+    tokens = t.split()
+
+    return parse_type(tokens, count)
+
+
+class PrintGlTable(gl_XML.gl_print_base):
+    def __init__(self):
+        gl_XML.gl_print_base.__init__(self)
+
+        #self.header_tag = '_GLAPI_TABLE_H_'
+        self.name = "gl_trace.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):
+        abi = [ "1.0", "1.1", "1.2", "1.5", "GL_ARB_multitexture" ]
+        for pass_ in range(2):
+            for f in api.functionIterateByOffset():
+                for name in f.entry_points:
+                    [category, num] = api.get_category_for_name( name )
+                    args = []
+                    for p in f.parameters:
+                        type = get_type(p.type_string(), p.count)
+                        args.append('(%s, "%s")' % (type, p.name))
+                    arg_string = '[' + ', '.join(args) + ']'
+                    if category in abi:
+                        if pass_ == 0:
+                            print '    DllFunction(%s, "gl%s", %s),' % (get_type(f.return_type), name, arg_string)
+                    else:
+                        if pass_ == 1:
+                            print '    WglFunction(%s, "gl%s", %s),' % (get_type(f.return_type), name, arg_string)
+
+    def printRealHeader(self):
+        return
+
+    def printRealFooter(self):
+        print ']'
+
+
+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
+
+    printer = PrintGlTable()
+
+    api = gl_XML.parse_GL_API( file_name )
+
+    printer.Print( api )