165 lines
6.8 KiB
Python
165 lines
6.8 KiB
Python
# Copyright (C) 2017-2018 Intel Corporation. All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the 'Software'),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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# Python source
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import itertools
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import os
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import sys
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from gen_common import *
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def main(args=sys.argv[1:]):
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thisDir = os.path.dirname(os.path.realpath(__file__))
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parser = ArgumentParser('Generate files and initialization functions for all permutations of BackendPixelRate.')
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parser.add_argument('--dim', help='gBackendPixelRateTable array dimensions', nargs='+', type=int, required=True)
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parser.add_argument('--outdir', help='output directory', nargs='?', type=str, default=thisDir)
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parser.add_argument('--split', help='how many lines of initialization per file [0=no split]', nargs='?', type=int, default='512')
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parser.add_argument('--numfiles', help='how many output files to generate', nargs='?', type=int, default='0')
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parser.add_argument('--cpp', help='Generate cpp file(s)', action='store_true', default=False)
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parser.add_argument('--hpp', help='Generate hpp file', action='store_true', default=False)
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parser.add_argument('--cmake', help='Generate cmake file', action='store_true', default=False)
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parser.add_argument('--rast', help='Generate rasterizer functions instead of normal backend', action='store_true', default=False)
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args = parser.parse_args(args)
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class backendStrs :
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def __init__(self) :
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self.outFileName = 'gen_BackendPixelRate%s.cpp'
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self.outHeaderName = 'gen_BackendPixelRate.hpp'
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self.functionTableName = 'gBackendPixelRateTable'
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self.funcInstanceHeader = ' = BackendPixelRate<SwrBackendTraits<'
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self.template = 'gen_backend.cpp'
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self.hpp_template = 'gen_header_init.hpp'
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self.cmakeFileName = 'gen_backends.cmake'
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self.cmakeSrcVar = 'GEN_BACKEND_SOURCES'
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self.tableName = 'BackendPixelRate'
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if args.rast:
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self.outFileName = 'gen_rasterizer%s.cpp'
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self.outHeaderName = 'gen_rasterizer.hpp'
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self.functionTableName = 'gRasterizerFuncs'
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self.funcInstanceHeader = ' = RasterizeTriangle<RasterizerTraits<'
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self.template = 'gen_rasterizer.cpp'
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self.cmakeFileName = 'gen_rasterizer.cmake'
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self.cmakeSrcVar = 'GEN_RASTERIZER_SOURCES'
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self.tableName = 'RasterizerFuncs'
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backend = backendStrs()
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output_list = []
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for x in args.dim:
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output_list.append(list(range(x)))
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# generate all permutations possible for template parameter inputs
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output_combinations = list(itertools.product(*output_list))
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output_list = []
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# for each permutation
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for x in range(len(output_combinations)):
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# separate each template peram into its own list member
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new_list = [output_combinations[x][i] for i in range(len(output_combinations[x]))]
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tempStr = backend.functionTableName
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#print each list member as an index in the multidimensional array
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for i in new_list:
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tempStr += '[' + str(i) + ']'
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#map each entry in the permutation as its own string member, store as the template instantiation string
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tempStr += backend.funcInstanceHeader + ','.join(map(str, output_combinations[x])) + '>>;'
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#append the line of c++ code in the list of output lines
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output_list.append(tempStr)
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# how many files should we split the global template initialization into?
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if (args.split == 0):
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numFiles = 1
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else:
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numFiles = (len(output_list) + args.split - 1) // args.split
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if (args.numfiles != 0):
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numFiles = args.numfiles
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linesPerFile = (len(output_list) + numFiles - 1) // numFiles
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chunkedList = [output_list[x:x+linesPerFile] for x in range(0, len(output_list), linesPerFile)]
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tmp_output_dir = MakeTmpDir('_codegen')
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if not os.path.exists(args.outdir):
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try:
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os.makedirs(args.outdir)
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except OSError as err:
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if err.errno != errno.EEXIST:
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print('ERROR: Could not create directory:', args.outdir, file=sys.stderr)
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return 1
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rval = 0
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# generate .cpp files
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try:
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if args.cpp:
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baseCppName = os.path.join(tmp_output_dir, backend.outFileName)
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templateCpp = os.path.join(thisDir, 'templates', backend.template)
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for fileNum in range(numFiles):
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filename = baseCppName % str(fileNum)
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MakoTemplateWriter.to_file(
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templateCpp,
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baseCppName % str(fileNum),
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cmdline=sys.argv,
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fileNum=fileNum,
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funcList=chunkedList[fileNum])
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if args.hpp:
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baseHppName = os.path.join(tmp_output_dir, backend.outHeaderName)
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templateHpp = os.path.join(thisDir, 'templates', backend.hpp_template)
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MakoTemplateWriter.to_file(
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templateHpp,
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baseHppName,
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cmdline=sys.argv,
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numFiles=numFiles,
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filename=backend.outHeaderName,
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tableName=backend.tableName)
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# generate gen_backend.cmake file
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if args.cmake:
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templateCmake = os.path.join(thisDir, 'templates', 'gen_backend.cmake')
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cmakeFile = os.path.join(tmp_output_dir, backend.cmakeFileName)
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MakoTemplateWriter.to_file(
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templateCmake,
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cmakeFile,
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cmdline=sys.argv,
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srcVar=backend.cmakeSrcVar,
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numFiles=numFiles,
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baseCppName='${RASTY_GEN_SRC_DIR}/backends/' + os.path.basename(baseCppName))
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rval = CopyDirFilesIfDifferent(tmp_output_dir, args.outdir)
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except:
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rval = 1
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finally:
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DeleteDirTree(tmp_output_dir)
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return rval
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if __name__ == '__main__':
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sys.exit(main())
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