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
|
#!/usr/bin/env python3
# Copyright (c) 2020 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import glob
import sys
import os
def generate_main(glsl_files, output_header_file):
# Write commit ID to output header file
with open(output_header_file, "w") as header_file:
# Copyright Notice
header_string = '/***************************************************************************\n'
header_string += ' *\n'
header_string += ' * Copyright (c) 2015-2021 The Khronos Group Inc.\n'
header_string += ' * Copyright (c) 2015-2021 Valve Corporation\n'
header_string += ' * Copyright (c) 2015-2021 LunarG, Inc.\n'
header_string += ' * Copyright (c) 2015-2021 Google Inc.\n'
header_string += ' * Copyright (c) 2021 Advanced Micro Devices, Inc.All rights reserved.\n'
header_string += ' *\n'
header_string += ' ****************************************************************************/\n'
header_string += '#pragma once\n\n'
header_string += '#ifndef _INTRINSIC_EXTENSION_HEADER_H_\n'
header_string += '#define _INTRINSIC_EXTENSION_HEADER_H_\n\n'
header_file.write(header_string)
symbol_name_list = []
for i in glsl_files:
glsl_contents = open(i,"r").read()
filename = os.path.basename(i)
symbol_name = filename.split(".")[0]
symbol_name_list.append(symbol_name)
header_name = symbol_name + ".h"
header_str = 'std::string %s_GLSL = R"(\n%s\n)";\n' % (symbol_name, glsl_contents)
header_str += '\n'
header_file.write(header_str)
contents = ''
contents += '\n'
contents += 'std::string getIntrinsic(const char* const* shaders, int n) {\n'
contents += '\tstd::string shaderString = "";\n';
contents += '\tfor (int i = 0; i < n; i++) {\n'
for symbol_name in symbol_name_list:
contents += '\t\tif (strstr(shaders[i], "%s") != NULL) {\n' % (symbol_name)
contents += '\t\t shaderString.append(%s_GLSL);\n' % (symbol_name)
contents += '\t\t}\n'
contents += '\t}\n'
contents += '\treturn shaderString;\n';
contents += '}\n'
contents += '\n#endif\n'
header_file.write(contents)
def main():
if len(sys.argv) < 2:
raise Exception("Invalid number of arguments")
i = 0
while i < len(sys.argv):
opt = sys.argv[i]
i = i + 1
if opt == "-i" or opt == "-o":
if i == len(sys.argv):
raise Exception("Expected path after {}".format(opt))
val = sys.argv[i]
i = i + 1
if (opt == "-i"):
input_dir = val
elif (opt == "-o"):
output_file = val
else:
raise Exception("Unknown flag {}".format(opt))
glsl_files = glob.glob(input_dir + '/*.glsl')
# Generate main header
generate_main(glsl_files, output_file)
if __name__ == '__main__':
main()
|
