diff options
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 23 |
1 files changed, 17 insertions, 6 deletions
@@ -381,6 +381,10 @@ class Compression: def compress(filename): execute(Compression.encoder, stdin=open(filename, 'rb'), stdout=open(Compression.compressed_name(filename), 'wb')) + @staticmethod + def worth_it(original, compressed): + return compressed < original - 1500 # save at least one TCP packet or so + try: call = CXX if use_cxx else CC @@ -813,12 +817,18 @@ try: os.path.walk(file_['name'], add, file_['name'], ) data_files = filter(lambda file_: not os.path.isdir(file_['name']), data_files) + for file_ in data_files: + file_['net_name'] = file_['name'] + file_['compressed'] = False + if Compression.on: - # Compress each file - # TODO: if compressed size is not significantly smaller, do not compress! + # Compress each file, if it is worth it for file_ in data_files: Compression.compress(file_['name']) - file_['name'] = Compression.compressed_name(file_['name']) + if Compression.worth_it(os.stat(file_['name']).st_size, + os.stat(Compression.compressed_name(file_['name'])).st_size): + file_['net_name'] = Compression.compressed_name(file_['name']) + file_['compressed'] = True # Set up folders partial_dirs = [] @@ -845,7 +855,7 @@ try: image = filename.endswith(IMAGE_SUFFIXES) code += ''' var %(varname)s = new XMLHttpRequest(); - %(varname)s.open('GET', '%(filename)s', true); + %(varname)s.open('GET', '%(netname)s', true); %(varname)s.responseType = 'arraybuffer'; %(varname)s.onload = function() { var arrayBuffer = %(varname)s.response; // Note: not X.responseText @@ -860,9 +870,10 @@ try: ''' % { 'varname': varname, 'filename': filename, + 'netname': file_['net_name'], 'dirname': os.path.dirname(filename), - 'basename': os.path.basename(filename) if not Compression.on else os.path.basename(filename)[:-len(Compression.compressed_name(''))], - 'decompress': '' if not Compression.on else 'byteArray = Module["decompress"](byteArray);', + 'basename': os.path.basename(filename), + 'decompress': '' if not file_['compressed'] else 'byteArray = Module["decompress"](byteArray);', 'finish': 'removeRunDependency();' if not image else '''var bb = new MozBlobBuilder(); bb.append(byteArray.buffer); var b = bb.getBlob(); |