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
|
# Copyright (C) 2017-2018 Intel Corporation. All Rights Reserved.
#
# 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, sublicense,
# 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 NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS 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.
# Python source
import itertools
import os
import sys
from gen_common import *
def main(args=sys.argv[1:]):
thisDir = os.path.dirname(os.path.realpath(__file__))
parser = ArgumentParser('Generate files and initialization functions for all permutations of BackendPixelRate.')
parser.add_argument('--dim', help='gBackendPixelRateTable array dimensions', nargs='+', type=int, required=True)
parser.add_argument('--outdir', help='output directory', nargs='?', type=str, default=thisDir)
parser.add_argument('--split', help='how many lines of initialization per file [0=no split]', nargs='?', type=int, default='512')
parser.add_argument('--numfiles', help='how many output files to generate', nargs='?', type=int, default='0')
parser.add_argument('--cpp', help='Generate cpp file(s)', action='store_true', default=False)
parser.add_argument('--hpp', help='Generate hpp file', action='store_true', default=False)
parser.add_argument('--cmake', help='Generate cmake file', action='store_true', default=False)
parser.add_argument('--rast', help='Generate rasterizer functions instead of normal backend', action='store_true', default=False)
args = parser.parse_args(args)
class backendStrs :
def __init__(self) :
self.outFileName = 'gen_BackendPixelRate%s.cpp'
self.outHeaderName = 'gen_BackendPixelRate.hpp'
self.functionTableName = 'gBackendPixelRateTable'
self.funcInstanceHeader = ' = BackendPixelRate<SwrBackendTraits<'
self.template = 'gen_backend.cpp'
self.hpp_template = 'gen_header_init.hpp'
self.cmakeFileName = 'gen_backends.cmake'
self.cmakeSrcVar = 'GEN_BACKEND_SOURCES'
self.tableName = 'BackendPixelRate'
if args.rast:
self.outFileName = 'gen_rasterizer%s.cpp'
self.outHeaderName = 'gen_rasterizer.hpp'
self.functionTableName = 'gRasterizerFuncs'
self.funcInstanceHeader = ' = RasterizeTriangle<RasterizerTraits<'
self.template = 'gen_rasterizer.cpp'
self.cmakeFileName = 'gen_rasterizer.cmake'
self.cmakeSrcVar = 'GEN_RASTERIZER_SOURCES'
self.tableName = 'RasterizerFuncs'
backend = backendStrs()
output_list = []
for x in args.dim:
output_list.append(list(range(x)))
# generate all permutations possible for template parameter inputs
output_combinations = list(itertools.product(*output_list))
output_list = []
# for each permutation
for x in range(len(output_combinations)):
# separate each template peram into its own list member
new_list = [output_combinations[x][i] for i in range(len(output_combinations[x]))]
tempStr = backend.functionTableName
#print each list member as an index in the multidimensional array
for i in new_list:
tempStr += '[' + str(i) + ']'
#map each entry in the permutation as its own string member, store as the template instantiation string
tempStr += backend.funcInstanceHeader + ','.join(map(str, output_combinations[x])) + '>>;'
#append the line of c++ code in the list of output lines
output_list.append(tempStr)
# how many files should we split the global template initialization into?
if (args.split == 0):
numFiles = 1
else:
numFiles = (len(output_list) + args.split - 1) // args.split
if (args.numfiles != 0):
numFiles = args.numfiles
linesPerFile = (len(output_list) + numFiles - 1) // numFiles
chunkedList = [output_list[x:x+linesPerFile] for x in range(0, len(output_list), linesPerFile)]
tmp_output_dir = MakeTmpDir('_codegen')
if not os.path.exists(args.outdir):
try:
os.makedirs(args.outdir)
except OSError as err:
if err.errno != errno.EEXIST:
print('ERROR: Could not create directory:', args.outdir, file=sys.stderr)
return 1
rval = 0
# generate .cpp files
try:
if args.cpp:
baseCppName = os.path.join(tmp_output_dir, backend.outFileName)
templateCpp = os.path.join(thisDir, 'templates', backend.template)
for fileNum in range(numFiles):
filename = baseCppName % str(fileNum)
MakoTemplateWriter.to_file(
templateCpp,
baseCppName % str(fileNum),
cmdline=sys.argv,
fileNum=fileNum,
funcList=chunkedList[fileNum])
if args.hpp:
baseHppName = os.path.join(tmp_output_dir, backend.outHeaderName)
templateHpp = os.path.join(thisDir, 'templates', backend.hpp_template)
MakoTemplateWriter.to_file(
templateHpp,
baseHppName,
cmdline=sys.argv,
numFiles=numFiles,
filename=backend.outHeaderName,
tableName=backend.tableName)
# generate gen_backend.cmake file
if args.cmake:
templateCmake = os.path.join(thisDir, 'templates', 'gen_backend.cmake')
cmakeFile = os.path.join(tmp_output_dir, backend.cmakeFileName)
MakoTemplateWriter.to_file(
templateCmake,
cmakeFile,
cmdline=sys.argv,
srcVar=backend.cmakeSrcVar,
numFiles=numFiles,
baseCppName='${RASTY_GEN_SRC_DIR}/backends/' + os.path.basename(baseCppName))
rval = CopyDirFilesIfDifferent(tmp_output_dir, args.outdir)
except:
rval = 1
finally:
DeleteDirTree(tmp_output_dir)
return rval
if __name__ == '__main__':
sys.exit(main())
|
