# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. """Create a static WebGL library and run it in the browser.""" from __future__ import absolute_import, print_function import os, shutil, SimpleHTTPServer, SocketServer import tvm from tvm import te from tvm.contrib import emscripten, util import numpy as np def try_static_webgl_library(): curr_path = os.path.dirname(os.path.abspath(os.path.expanduser(__file__))) # Change to lib/ which contains "libtvm_runtime.bc". os.chdir(os.path.join(curr_path, "../../lib")) # Create OpenGL module. n = te.var("n") A = te.placeholder((n,), name='A', dtype="float") B = te.compute((n,), lambda *i: A[i], name="B") s = te.create_schedule(B.op) s[B].opengl() target_host = "llvm -target=asmjs-unknown-emscripten -system-lib" f = tvm.build(s, [A, B], name="identity", target="opengl", target_host=target_host) # Create a JS library that contains both the module and the tvm runtime. path_dso = "identity_static.js" f.export_library(path_dso, emscripten.create_js, options=[ "-s", "USE_GLFW=3", "-s", "USE_WEBGL2=1", "-lglfw", ]) # Create "tvm_runtime.js" and "identity_static.html" in lib/ shutil.copyfile(os.path.join(curr_path, "../../web/tvm_runtime.js"), "tvm_runtime.js") shutil.copyfile(os.path.join(curr_path, "test_static_webgl_library.html"), "identity_static.html") port = 8080 handler = SimpleHTTPServer.SimpleHTTPRequestHandler httpd = SocketServer.TCPServer(("", port), handler) print("Please open http://localhost:" + str(port) + "/identity_static.html") httpd.serve_forever() if __name__ == "__main__": try_static_webgl_library()