diff options
Diffstat (limited to 'platform/web/detect.py')
| -rw-r--r-- | platform/web/detect.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/platform/web/detect.py b/platform/web/detect.py index 043ddca65d..d306869889 100644 --- a/platform/web/detect.py +++ b/platform/web/detect.py @@ -41,6 +41,11 @@ def get_opts(): "dlink_enabled", "Enable WebAssembly dynamic linking (GDExtension support). Produces bigger binaries", False ), BoolVariable("use_closure_compiler", "Use closure compiler to minimize JavaScript code", False), + BoolVariable( + "proxy_to_pthread", + "Use Emscripten PROXY_TO_PTHREAD option to run the main application code to a separate thread", + True, + ), ] @@ -211,6 +216,10 @@ def configure(env: "Environment"): env.Append(LINKFLAGS=["-Wl,-u,scalbnf"]) if env["dlink_enabled"]: + if env["proxy_to_pthread"]: + print("GDExtension support requires proxy_to_pthread=no, disabling") + env["proxy_to_pthread"] = False + if cc_semver < (3, 1, 14): print("GDExtension support requires emscripten >= 3.1.14, detected: %s.%s.%s" % cc_semver) sys.exit(255) @@ -221,6 +230,16 @@ def configure(env: "Environment"): env.Append(LINKFLAGS=["-fvisibility=hidden"]) env.extra_suffix = ".dlink" + env.extra_suffix + # Run the main application in a web worker + if env["proxy_to_pthread"]: + env.Append(LINKFLAGS=["-s", "PROXY_TO_PTHREAD=1"]) + env.Append(CPPDEFINES=["PROXY_TO_PTHREAD_ENABLED"]) + env.Append(LINKFLAGS=["-s", "EXPORTED_RUNTIME_METHODS=['_emscripten_proxy_main']"]) + # https://github.com/emscripten-core/emscripten/issues/18034#issuecomment-1277561925 + env.Append(LINKFLAGS=["-s", "TEXTDECODER=0"]) + # BigInt support to pass object pointers between contexts + env.Append(LINKFLAGS=["-s", "WASM_BIGINT"]) + # Reduce code size by generating less support code (e.g. skip NodeJS support). env.Append(LINKFLAGS=["-s", "ENVIRONMENT=web,worker"]) |