| """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.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 = tvm.var("n") |
| A = tvm.placeholder((n,), name='A', dtype="float") |
| B = tvm.compute((n,), lambda *i: A[i], name="B") |
| |
| s = tvm.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() |