mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 22:55:23 +00:00
141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
# ***** BEGIN LICENSE BLOCK *****
|
|
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
#
|
|
# The contents of this file are subject to the Mozilla Public License Version
|
|
# 1.1 (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.mozilla.org/MPL/
|
|
#
|
|
# Software distributed under the License is distributed on an "AS IS" basis,
|
|
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
# for the specific language governing rights and limitations under the
|
|
# License.
|
|
#
|
|
# The Original Code is Mozilla Foundation code.
|
|
#
|
|
# The Initial Developer of the Original Code is
|
|
# Mozilla Foundation.
|
|
# Portions created by the Initial Developer are Copyright (C) 2010
|
|
# the Initial Developer. All Rights Reserved.
|
|
#
|
|
# Contributor(s):
|
|
# Vladimir Vukicevic <vladimir@pobox.com>
|
|
#
|
|
# Alternatively, the contents of this file may be used under the terms of
|
|
# either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
# in which case the provisions of the GPL or the LGPL are applicable instead
|
|
# of those above. If you wish to allow use of your version of this file only
|
|
# under the terms of either the GPL or the LGPL, and not to allow others to
|
|
# use your version of this file under the terms of the MPL, indicate your
|
|
# decision by deleting the provisions above and replace them with the notice
|
|
# and other provisions required by the GPL or the LGPL. If you do not delete
|
|
# the provisions above, a recipient may use your version of this file under
|
|
# the terms of any one of the MPL, the GPL or the LGPL.
|
|
#
|
|
# ***** END LICENSE BLOCK *****
|
|
|
|
|
|
import sys
|
|
import re
|
|
import string
|
|
|
|
defines = dict()
|
|
|
|
def emitShader(fp, shadername, shaderlines):
|
|
eolContinue = "\\n\\\n";
|
|
fp.write("const char %s[] = \"/* %s */%s" % (shadername,shadername,eolContinue))
|
|
for line in shaderlines:
|
|
line.replace("\\", "\\\\")
|
|
while line.find('$') != -1:
|
|
expansions = re.findall('\$\S+\$', line)
|
|
for m in expansions:
|
|
mkey = m[1:-1]
|
|
if not defines.has_key(mkey):
|
|
print "Error: Undefined expansion used: '%s'" % (m,)
|
|
sys.exit(1)
|
|
mval = defines[mkey]
|
|
if type(mval) == str:
|
|
line = line.replace(m, mval)
|
|
elif type(mval) == list:
|
|
line = line.replace(m, eolContinue.join(mval) + eolContinue);
|
|
else:
|
|
print "Internal Error: Unknown type in defines array: '%s'" % (str(type(mval)),)
|
|
|
|
fp.write("%s%s" % (line,eolContinue))
|
|
fp.write("\";\n\n");
|
|
|
|
def genShaders(infile, outfile):
|
|
source = open(infile, "r").readlines()
|
|
desthdr = open(outfile, "w+")
|
|
|
|
desthdr.write("/* AUTOMATICALLY GENERATED */\n");
|
|
desthdr.write("/* DO NOT EDIT! */\n\n");
|
|
|
|
global defines
|
|
|
|
indefine = None
|
|
inshader = None
|
|
|
|
inblock = False
|
|
linebuffer = []
|
|
|
|
for line in source:
|
|
# strip comments, if not inblock
|
|
if not inblock and line.startswith("//"):
|
|
continue
|
|
line = string.strip(line)
|
|
|
|
if len(line) == 0:
|
|
continue
|
|
|
|
if line[0] == '@':
|
|
cmd = line
|
|
rest = ''
|
|
|
|
if line.find(' ') != -1:
|
|
cmd = line[0:line.find(' ')]
|
|
rest = string.strip(line[len(cmd) + 1:])
|
|
|
|
if cmd == "@define":
|
|
if inblock:
|
|
raise Exception("@define inside a block!")
|
|
space = rest.find(' ')
|
|
if space != -1:
|
|
defines[rest[0:space]] = rest[space+1:]
|
|
else:
|
|
indefine = rest
|
|
inblock = True
|
|
elif cmd == "@shader":
|
|
if inblock:
|
|
raise Exception("@shader inside a block!")
|
|
if len(rest) == 0:
|
|
raise Exception("@shader without a name!")
|
|
inshader = rest
|
|
inblock = True
|
|
elif cmd == "@end":
|
|
if indefine is not None:
|
|
if type(linebuffer) == list:
|
|
for i in range(len(linebuffer)):
|
|
linebuffer[i] = linebuffer[i].replace("\\", "\\\\")
|
|
defines[indefine] = linebuffer
|
|
elif inshader is not None:
|
|
emitShader(desthdr, inshader, linebuffer)
|
|
else:
|
|
raise Exception("@end outside of a block!")
|
|
indefine = None
|
|
inshader = None
|
|
inblock = None
|
|
linebuffer = []
|
|
else:
|
|
raise Exception("Unknown command: %s" % (cmd,))
|
|
else:
|
|
if inblock:
|
|
linebuffer.append(line)
|
|
|
|
if (len(sys.argv) != 3):
|
|
print "Usage: %s infile.txt outfile.h" % (sys.argv[0],)
|
|
sys.exit(1)
|
|
|
|
genShaders(sys.argv[1], sys.argv[2])
|