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1# Copyright (C) 2012 Intel Corporation
2# Copyright (C) 2021 Advanced Micro Devices, Inc.
3#
4# Permission is hereby granted, free of charge, to any person obtaining a
5# copy of this software and associated documentation files (the "Software"),
6# to deal in the Software without restriction, including without limitation
7# the rights to use, copy, modify, merge, publish, distribute, sublicense,
8# and/or sell copies of the Software, and to permit persons to whom the
9# Software is furnished to do so, subject to the following conditions:
10#
11# The above copyright notice and this permission notice (including the next
12# paragraph) shall be included in all copies or substantial portions of the
13# Software.
14#
15# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21# IN THE SOFTWARE.
22
23# This script generates the file api_vtxfmt_init.h.
24
25import argparse
26import collections
27import license
28import gl_XML
29import sys
30import apiexec
31import re
32
33
34class PrintCode(gl_XML.gl_print_base):
35    def __init__(self):
36        super().__init__()
37
38        self.name = 'api_vtxfmt_init_h.py'
39        self.license = license.bsd_license_template % (
40            'Copyright (C) 2012 Intel Corporation\n'
41            'Copyright (C) 2021 Advanced Micro Devices, Inc.',
42            'AUTHORS')
43
44    def printBody(self, api):
45        # Collect SET_* calls by the condition under which they should
46        # be called.
47        settings_by_condition = collections.defaultdict(lambda: [])
48
49        for f in api.functionIterateAll():
50            if f.exec_flavor != 'vtxfmt':
51                continue
52
53            condition = apiexec.get_api_condition(f)
54            if not condition:
55                continue
56
57            if (condition == '_mesa_is_desktop_gl(ctx) || ctx->API == API_OPENGLES2' and
58                re.match('VertexAttrib[1-4].*ARB', f.name)):
59                # These functions should map to an *ES callback for GLES2.
60                settings_by_condition['_mesa_is_desktop_gl(ctx)'].append(
61                    'SET_{0}(tab, NAME({0}));'.format(f.name))
62                settings_by_condition['ctx->API == API_OPENGLES2'].append(
63                    'SET_{0}(tab, NAME_ES({0}));'.format(f.name))
64            else:
65                macro = ('NAME_CALLLIST' if f.name[0:8] == 'CallList' else
66                         'NAME_AE' if f.name == 'ArrayElement' else 'NAME')
67                settings_by_condition[condition].append(
68                    'SET_{0}(tab, {1}({0}));'.format(f.name, macro))
69
70        # Print out an if statement for each unique condition, with
71        # the SET_* calls nested inside it.
72        for condition in sorted(settings_by_condition.keys()):
73            print('if ({0}) {{'.format(condition))
74            for setting in sorted(settings_by_condition[condition]):
75                print('   {0}'.format(setting))
76            print('}')
77
78
79if __name__ == '__main__':
80    apiexec.print_glapi_file(PrintCode())
81