1#!/usr/bin/python 2 3import subprocess 4import os 5import argparse 6 7 8# This script compiles and runs a skia app using Swiftshader in a docker container, making it easy 9# to use Swiftshade w/o having to over-write /usr/local/lib/libEGL.so and related on the 10# host development machine. 11 12# The Skia repo to be compiled will be the one on the host machine, which will 13# default to the one specified by the environment variable $SKIA_ROOT with a fallback to the 14# current working directory. 15 16# Example usage 17 18# Prove SwiftShader is really being used: 19# build-with-swift-shader-and-run "out/with-swift-shader/fuzz --gpuInfo -t api -n NativeGLCanvas" 20 21# Notice the output says GL_RENDERER Google SwiftShader 22# After running the above, feel free to check out $SKIA_OUT/out/with-swift-shader. It has binaries 23# but if you try to run out/with-swift-shader/fuzz --gpuInfo -t api -n NativeGLCanvas w/o using 24# Docker, it will use the host's GPU (e.g. GL_VENDOR NVIDIA Corporation). 25 26# Reproduce a fuzzer bug in SwiftShader: 27# First, copy the test case into $SKIA_ROOT, say $SKIA_ROOT/skbug_1234 28# build-with-swift-shader-and-run "out/with-swift-shader/fuzz -t filter_fuzz -b /skia/skbug_1234" 29 30# $SKIA_ROOT gets mapped to /skia - other than that, the docker container does not have 31# access to the host file system. 32 33 34IMAGE = 'gcr.io/skia-public/skia-with-swift-shader-base:prod' 35 36BUILD_SCRIPT_PATH = '/skia/docker/skia-with-swift-shader-base/build.sh' 37EXECUTABLE_DIR = 'out/with-swift-shader/' 38 39parser = argparse.ArgumentParser() 40parser.add_argument('--sync_deps', action='store_true', help='Sync the deps before building?') 41parser.add_argument('command', help='A string containing the command to be run ' 42 '(e.g. out/with-swift-shader/fuzz --help)') 43args = parser.parse_args() 44 45skia_root = os.environ['SKIA_ROOT'] or os.getcwd() 46 47print 'Assuming SKIA_ROOT to be %s' % skia_root 48 49build_cmd = ['docker', 'run', '--rm', '-v', '%s:/skia' % skia_root, IMAGE, BUILD_SCRIPT_PATH] 50if args.sync_deps: 51 build_cmd += ['sync-deps'] 52 53print 'Compiling executables to %s/%s' % (skia_root, EXECUTABLE_DIR) 54 55print subprocess.check_output(build_cmd) 56 57supplied_cmd = args.command.split(' ') 58print 'Running supplied command %s' % supplied_cmd 59run_cmd = ['docker', 'run', '--rm', '-w=/skia', '-v', '%s:/skia' % skia_root, IMAGE] + supplied_cmd 60 61print subprocess.check_output(run_cmd)