common/crOpenGL/windows_exports.py

	windows_exports.py revision 6457f9bc953a052259ba55fbf6f3d6faace120fa
# Copyright (c) 2001, Stanford University
# All rights reserved.
#
# See the file LICENSE.txt for information on redistributing this software.


import sys

import apiutil


def GenerateEntrypoints():

    apiutil.CopyrightC()

    print '#include "chromium.h"'
    print '#include "stub.h"'
    print ''
    print '#define NAKED __declspec(naked)'
    print '#define UNUSED(x) ((void)(x))'
    print ''


    # Get sorted list of dispatched functions.
    # The order is very important - it must match cr_opcodes.h
    # and spu_dispatch_table.h
    keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")

    for index in range(len(keys)):
        func_name = keys[index]
        if apiutil.Category(func_name) == "Chromium":
            continue

        return_type = apiutil.ReturnType(func_name)
        params = apiutil.Parameters(func_name)

        print "NAKED %s cr_gl%s( %s )" % (return_type, func_name,
                                      apiutil.MakeDeclarationString( params ))
        print "{"
        print "\t__asm jmp [glim.%s]" % func_name
        for (name, type, vecSize) in params:
            print "\tUNUSED( %s );" % name
        print "}"
        print ""

    print '/*'
    print '* Aliases'
    print '*/'

    # Now loop over all the functions and take care of any aliases
    allkeys = apiutil.GetAllFunctions(sys.argv[1]+"/APIspec.txt")
    for func_name in allkeys:
        if "omit" in apiutil.ChromiumProps(func_name):
            continue

        if func_name in keys:
            # we already processed this function earlier
            continue

        # alias is the function we're aliasing
        alias = apiutil.Alias(func_name)
        if alias:
            return_type = apiutil.ReturnType(func_name)
            params = apiutil.Parameters(func_name)
            print "NAKED %s cr_gl%s( %s )" % (return_type, func_name,
                                apiutil.MakeDeclarationString( params ))
            print "{"
            print "\t__asm jmp [glim.%s]" % alias
            for (name, type, vecSize) in params:
                print "\tUNUSED( %s );" % name
            print "}"
            print ""


    print '/*'
    print '* No-op stubs'
    print '*/'

    # Now generate no-op stub functions
    for func_name in allkeys:
        if "stub" in apiutil.ChromiumProps(func_name):
            return_type = apiutil.ReturnType(func_name)
            params = apiutil.Parameters(func_name)
            print "NAKED %s cr_gl%s( %s )" % (return_type, func_name, apiutil.MakeDeclarationString(params))
            print "{"
            if return_type != "void":
                print "return (%s) 0" % return_type
            print "}"
            print ""


GenerateEntrypoints()