diff options
| -rw-r--r-- | src/compiler/Makefile.glsl.am | 1 | ||||
| -rw-r--r-- | src/compiler/glsl/xxd.py | 111 |
2 files changed, 112 insertions, 0 deletions
diff --git a/src/compiler/Makefile.glsl.am b/src/compiler/Makefile.glsl.am index a323f7b05bc..9d88d1f66ee 100644 --- a/src/compiler/Makefile.glsl.am +++ b/src/compiler/Makefile.glsl.am @@ -28,6 +28,7 @@ EXTRA_DIST += glsl/tests glsl/glcpp/tests glsl/README \ glsl/ir_expression_operation.py \ glsl/glcpp/glcpp-lex.l \ glsl/glcpp/glcpp-parse.y \ + glsl/xxd.py \ SConscript.glsl TESTS += glsl/glcpp/tests/glcpp-test.sh \ diff --git a/src/compiler/glsl/xxd.py b/src/compiler/glsl/xxd.py new file mode 100644 index 00000000000..f8f57d77121 --- /dev/null +++ b/src/compiler/glsl/xxd.py @@ -0,0 +1,111 @@ +# encoding=utf-8 +# Copyright © 2018 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, 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. + +# Converts a file to a C/C++ #include containing a string + +from __future__ import unicode_literals +import argparse +import io +import string +import sys + + +def get_args(): + parser = argparse.ArgumentParser() + parser.add_argument('input', help="Name of input file") + parser.add_argument('output', help="Name of output file") + parser.add_argument("-n", "--name", + help="Name of C variable") + args = parser.parse_args() + return args + + +def filename_to_C_identifier(n): + if n[0] != '_' and not n[0].isalpha(): + n = "_" + n[1:] + + return "".join([c if c.isalnum() or c == "_" else "_" for c in n]) + + +def emit_byte(f, b): + if ord(b) == ord('\n'): + f.write(b"\\n\"\n \"") + return + elif ord(b) == ord('\r'): + f.write(b"\\r\"\n \"") + return + elif ord(b) == ord('\t'): + f.write(b"\\t") + return + elif ord(b) == ord('"'): + f.write(b"\\\"") + return + elif ord(b) == ord('\\'): + f.write(b"\\\\") + return + + if ord(b) >= ord(' ') and ord(b) <= ord('~'): + f.write(b) + else: + hi = ord(b) >> 4 + lo = ord(b) & 0x0f + f.write("\\x{:x}{:x}".format(hi, lo).encode('utf-8')) + + +def process_file(args): + with io.open(args.input, "rb") as infile: + try: + with io.open(args.output, "wb") as outfile: + # If a name was not specified on the command line, pick one based on the + # name of the input file. If no input filename was specified, use + # from_stdin. + if args.name is not None: + name = args.name + else: + name = filename_to_C_identifier(args.input) + + outfile.write("static const char {}[] =\n \"".format(name).encode('utf-8')) + + while True: + byte = infile.read(1) + if byte == b"": + break + + emit_byte(outfile, byte) + + outfile.write(b"\"\n ;\n") + except Exception: + # In the event that anything goes wrong, delete the output file, + # then re-raise the exception. Deleteing the output file should + # ensure that the build system doesn't try to use the stale, + # half-generated file. + os.unlink(args.output) + raise + + +def main(): + args = get_args() + process_file(args) + + +if __name__ == "__main__": + main() |