summaryrefslogtreecommitdiff
path: root/src/broadcom/vulkan/v3dv_extensions.py
blob: a1c84762f64ede5203e85edf9ec065e4dd816401 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
COPYRIGHT = """\
/*
 * Copyright 2017 Intel Corporation
 *
 * 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, 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 VMWARE 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 copy
import re

def _bool_to_c_expr(b):
    if b is True:
        return 'true'
    if b is False:
        return 'false'
    return b

class Extension:
    def __init__(self, name, ext_version, enable):
        self.name = name
        self.ext_version = int(ext_version)
        self.enable = _bool_to_c_expr(enable)

class ApiVersion:
    def __init__(self, version, enable):
        self.version = version
        self.enable = _bool_to_c_expr(enable)

API_PATCH_VERSION = 155

# Supported API versions.  Each one is the maximum patch version for the given
# version.  Version come in increasing order and each version is available if
# it's provided "enable" condition is true and all previous versions are
# available.
API_VERSIONS = [
    ApiVersion('1.0',   True),

    # FIXME: for now we only support 1.0. We maintain this support from anv just in case in
    # the future we support more that one version supported.
    # ApiVersion('1.1',   <condition> ),
]

MAX_API_VERSION = None # Computed later

EXTENSIONS = [
    Extension('VK_EXT_debug_report',                      9, True),
]

# Sort the extension list the way we expect: KHR, then EXT, then vendors
# alphabetically. For digits, read them as a whole number sort that.
# eg.: VK_KHR_8bit_storage < VK_KHR_16bit_storage < VK_EXT_acquire_xlib_display
def extension_order(ext):
    order = []
    for substring in re.split('(KHR|EXT|[0-9]+)', ext.name):
        if substring == 'KHR':
            order.append(1)
        if substring == 'EXT':
            order.append(2)
        elif substring.isdigit():
            order.append(int(substring))
        else:
            order.append(substring)
    return order
for i in range(len(EXTENSIONS) - 1):
    if extension_order(EXTENSIONS[i + 1]) < extension_order(EXTENSIONS[i]):
        print(EXTENSIONS[i + 1].name + ' should come before ' + EXTENSIONS[i].name)
        exit(1)

class VkVersion:
    def __init__(self, string):
        split = string.split('.')
        self.major = int(split[0])
        self.minor = int(split[1])
        if len(split) > 2:
            assert len(split) == 3
            self.patch = int(split[2])
        else:
            self.patch = None

        # Sanity check.  The range bits are required by the definition of the
        # VK_MAKE_VERSION macro
        assert self.major < 1024 and self.minor < 1024
        assert self.patch is None or self.patch < 4096
        assert str(self) == string

    def __str__(self):
        ver_list = [str(self.major), str(self.minor)]
        if self.patch is not None:
            ver_list.append(str(self.patch))
        return '.'.join(ver_list)

    def c_vk_version(self):
        patch = self.patch if self.patch is not None else 0
        ver_list = [str(self.major), str(self.minor), str(patch)]
        return 'VK_MAKE_VERSION(' + ', '.join(ver_list) + ')'

    def __int_ver(self):
        # This is just an expansion of VK_VERSION
        patch = self.patch if self.patch is not None else 0
        return (self.major << 22) | (self.minor << 12) | patch

    def __gt__(self, other):
        # If only one of them has a patch version, "ignore" it by making
        # other's patch version match self.
        if (self.patch is None) != (other.patch is None):
            other = copy.copy(other)
            other.patch = self.patch

        return self.__int_ver() > other.__int_ver()



MAX_API_VERSION = VkVersion('0.0.0')
for version in API_VERSIONS:
    version.version = VkVersion(version.version)
    version.version.patch = API_PATCH_VERSION
    assert version.version > MAX_API_VERSION
    MAX_API_VERSION = version.version