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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
#!/usr/bin/env python3
# Copyright 2018 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""code generator for webgpu command buffers."""
import filecmp
import os
import os.path
import sys
from optparse import OptionParser
import build_cmd_buffer_lib
# Named type info object represents a named type that is used in API call
# arguments. The named types are used in 'webgpu_cmd_buffer_functions.txt'.
#
# Options are documented in build_gles2_cmd_buffer.py/build_raster_cmd_buffer.py
_NAMED_TYPE_INFO = {
'PowerPreference': {
'type': 'PowerPreference',
'valid': [
'PowerPreference::kDefault',
'PowerPreference::kHighPerformance',
'PowerPreference::kLowPower',
],
'invalid': [
'PowerPreference::kNumPowerPreferences',
],
},
'MailboxFlags': {
'type': 'MailboxFlags',
'valid': [
'WEBGPU_MAILBOX_NONE',
'WEBGPU_MAILBOX_DISCARD',
],
},
}
# A function info object specifies the type and other special data for the
# command that will be generated. A base function info object is generated by
# parsing the "webgpu_cmd_buffer_functions.txt", one for each function in the
# file. These function info objects can be augmented and their values can be
# overridden by adding an object to the table below.
#
# Must match function names specified in "webgpu_cmd_buffer_functions.txt".
#
# Options are documented in build_gles2_cmd_buffer.py/build_raster_cmd_buffer.py
# (Note: some options (like decoder_func and unit_test) currently have no
# effect, because WriteServiceImplementation and WriteServiceUnitTests are not
# used below.)
_FUNCTION_INFO = {
'DawnCommands': {
'impl_func': False,
'internal': True,
'data_transfer_methods': ['shm'],
'cmd_args': 'uint32_t trace_id_high, uint32_t trace_id_low, '
'uint32_t commands_shm_id, uint32_t commands_shm_offset, '
'uint32_t size',
'size_args': {
'commands': 'size * sizeof(char)',
},
},
'AssociateMailbox': {
'impl_func': False,
'client_test': False,
'internal': True,
'cmd_args': 'GLuint device_id, GLuint device_generation, GLuint id, '
'GLuint generation, GLuint usage, MailboxFlags flags, '
'GLuint view_format_count, GLuint count, '
'const GLuint* mailbox_and_view_formats',
'type': 'PUTn',
'count': 1,
},
'DissociateMailbox': {
'impl_func': False,
'client_test': False,
},
'DissociateMailboxForPresent': {
'impl_func': False,
'client_test': False,
},
'DestroyServer': {
'impl_func': False,
'internal': True,
},
'SetWebGPUExecutionContextToken': {
'impl_func': False,
'client_test': False,
},
}
def main(argv):
"""This is the main function."""
parser = OptionParser()
parser.add_option(
"--output-dir",
help="Output directory for generated files. Defaults to chromium root "
"directory.")
parser.add_option(
"-v", "--verbose", action="store_true", help="Verbose logging output.")
parser.add_option(
"-c", "--check", action="store_true",
help="Check if output files match generated files in chromium root "
"directory. Use this in PRESUBMIT scripts with --output-dir.")
(options, _) = parser.parse_args(args=argv)
# This script lives under src/gpu/command_buffer.
script_dir = os.path.dirname(os.path.abspath(__file__))
assert script_dir.endswith(os.path.normpath("src/gpu/command_buffer"))
# os.path.join doesn't do the right thing with relative paths.
chromium_root_dir = os.path.abspath(script_dir + "/../..")
# Support generating files under gen/ and for PRESUBMIT.
if options.output_dir:
output_dir = options.output_dir
else:
output_dir = chromium_root_dir
os.chdir(output_dir)
# This script lives under gpu/command_buffer, cd to base directory.
build_cmd_buffer_lib.InitializePrefix("WebGPU")
gen = build_cmd_buffer_lib.GLGenerator(
options.verbose, "2018", _FUNCTION_INFO, _NAMED_TYPE_INFO,
chromium_root_dir)
gen.ParseGLH("gpu/command_buffer/webgpu_cmd_buffer_functions.txt")
gen.WriteCommandIds("gpu/command_buffer/common/webgpu_cmd_ids_autogen.h")
gen.WriteFormat("gpu/command_buffer/common/webgpu_cmd_format_autogen.h")
gen.WriteFormatTest(
"gpu/command_buffer/common/webgpu_cmd_format_test_autogen.h")
gen.WriteGLES2InterfaceHeader(
"gpu/command_buffer/client/webgpu_interface_autogen.h")
gen.WriteGLES2ImplementationHeader(
"gpu/command_buffer/client/webgpu_implementation_autogen.h")
gen.WriteGLES2InterfaceStub(
"gpu/command_buffer/client/webgpu_interface_stub_autogen.h")
gen.WriteGLES2InterfaceStubImpl(
"gpu/command_buffer/client/webgpu_interface_stub_impl_autogen.h")
gen.WriteGLES2Implementation(
"gpu/command_buffer/client/webgpu_implementation_impl_autogen.h")
gen.WriteGLES2ImplementationUnitTests(
"gpu/command_buffer/client/webgpu_implementation_unittest_autogen.h")
gen.WriteCmdHelperHeader(
"gpu/command_buffer/client/webgpu_cmd_helper_autogen.h")
# Note: No gen.WriteServiceImplementation
# Note: No gen.WriteServiceUnitTests
gen.WriteServiceUtilsHeader(
"gpu/command_buffer/service/webgpu_cmd_validation_autogen.h")
gen.WriteServiceUtilsImplementation(
"gpu/command_buffer/service/"
"webgpu_cmd_validation_implementation_autogen.h")
build_cmd_buffer_lib.Format(gen.generated_cpp_filenames, output_dir,
chromium_root_dir)
if gen.errors > 0:
print("build_webgpu_cmd_buffer.py: Failed with %d errors" % gen.errors)
return 1
check_failed_filenames = []
if options.check:
for filename in gen.generated_cpp_filenames:
if not filecmp.cmp(os.path.join(output_dir, filename),
os.path.join(chromium_root_dir, filename)):
check_failed_filenames.append(filename)
if len(check_failed_filenames) > 0:
print('Please run gpu/command_buffer/build_webgpu_cmd_buffer.py')
print('Failed check on autogenerated command buffer files:')
for filename in check_failed_filenames:
print(filename)
return 1
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
|
