blob: 9c23e96b02c8bf2d3a70eeff8f5144b168770037 [file] [log] [blame]
#!/usr/bin/env python
#
# Copyright 2022 Google LLC
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import shlex
import subprocess
import sys
import tempfile
batchMinify = False
sksl_minify = sys.argv[1]
shared_module = sys.argv[2]
public_module = sys.argv[3]
input_root_dir = sys.argv[4]
output_root_dir = sys.argv[5]
# The last arg is a file containing a space seperated list of filenames
input_file = sys.argv[6]
with open(input_file, 'r') as reader:
all_inputs = shlex.split(reader.read())
inputs = []
for file in all_inputs:
if (file.endswith(".rts") or file.endswith(".rtcf") or file.endswith(".rtb") or
file.endswith(".mfrag") or file.endswith(".mvert")):
inputs.append(file)
def executeWorklist(input, worklist):
# Invoke sksl-minify, passing in the worklist.
worklist.close()
try:
output = subprocess.check_output([
sksl_minify, worklist.name], stderr=subprocess.STDOUT).decode('utf-8', errors='ignore')
except subprocess.CalledProcessError as err:
if err.returncode != 1:
print("### " + input + " sksl-minify error:\n")
print("\n".join(err.output.decode('utf-8', errors='ignore').splitlines()))
sys.exit(err.returncode)
pass # Compile errors (exit code 1) are expected and normal in test code
# Delete the worklist file now that execution is complete.
os.remove(worklist.name)
worklist = tempfile.NamedTemporaryFile(suffix='.worklist', delete=False, mode='w')
# Here we loop over the inputs and convert them into a worklist file for sksl-minify.
for input in inputs:
# Derive the target path from the input filename and remove the extension so it can
# end with .minified.sksl
target = input.replace(input_root_dir, output_root_dir)
target = os.path.splitext(target)[0]
target_dir = os.path.dirname(target)
if not os.path.isdir(target_dir):
os.mkdir(target_dir)
noExt, ext = os.path.splitext(input)
head, tail = os.path.split(noExt)
if ext == '.rts':
worklist.write("--shader\n")
elif ext == '.rtcf':
worklist.write("--colorfilter\n")
elif ext == '.rtb':
worklist.write("--blender\n")
elif ext == '.mfrag':
worklist.write("--meshfrag\n")
elif ext == '.mvert':
worklist.write("--meshvert\n")
worklist.write(target + ".minified.sksl\n")
worklist.write(input + "\n")
worklist.write(public_module + "\n")
worklist.write(shared_module + "\n\n")
# Compile items one at a time.
if not batchMinify:
executeWorklist(input, worklist)
worklist = tempfile.NamedTemporaryFile(suffix='.worklist', delete=False, mode='w')
# Compile everything all in one go.
if batchMinify:
executeWorklist("", worklist)
else:
worklist.close()
os.remove(worklist.name)