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authormarha <marha@users.sourceforge.net>2009-12-22 18:34:14 +0000
committermarha <marha@users.sourceforge.net>2009-12-22 18:34:14 +0000
commit1e723abc27bdc2ad675bce79467a7308c2966861 (patch)
treea04f4d5cf04567351c85d43e720a3b762322d106 /mesalib/src/mesa/glapi/gl_table.py
parentb729d9e1cc1c60e415da24143cabcbaccb525ed7 (diff)
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diff --git a/mesalib/src/mesa/glapi/gl_table.py b/mesalib/src/mesa/glapi/gl_table.py
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+#!/usr/bin/python2
+
+# (C) Copyright IBM Corporation 2004
+# 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:
+# Ian Romanick <idr@us.ibm.com>
+
+import gl_XML
+import license
+import sys, getopt
+
+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_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
+
+
+class PrintRemapTable(gl_XML.gl_print_base):
+ def __init__(self):
+ gl_XML.gl_print_base.__init__(self)
+
+ 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 """
+#include "glapitable.h"
+/**
+ * \\file dispatch.h
+ * Macros for handling GL dispatch tables.
+ *
+ * For each known GL function, there are 3 macros in this file. The first
+ * macro is named CALL_FuncName and is used to call that GL function using
+ * the specified dispatch table. The other 2 macros, called GET_FuncName
+ * 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 ''
+
+ abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ]
+
+ functions = []
+ abi_functions = []
+ count = 0
+ for f in api.functionIterateByOffset():
+ [category, num] = api.get_category_for_name( f.name )
+ if category not in abi:
+ functions.append( [f, count] )
+ count += 1
+ else:
+ abi_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(IN_DRI_DRIVER)'
+ 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(IN_DRI_DRIVER) */'
+ return
+
+
+def show_usage():
+ print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0]
+ print " -m mode Mode can be 'table' or 'remap_table'."
+ sys.exit(1)
+
+if __name__ == '__main__':
+ file_name = "gl_API.xml"
+
+ try:
+ (args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
+ except Exception,e:
+ show_usage()
+
+ mode = "table"
+ for (arg,val) in args:
+ if arg == "-f":
+ file_name = val
+ elif arg == "-m":
+ mode = val
+
+ if mode == "table":
+ printer = PrintGlTable()
+ elif mode == "remap_table":
+ printer = PrintRemapTable()
+ else:
+ show_usage()
+
+ api = gl_XML.parse_GL_API( file_name )
+
+ printer.Print( api )