diff options
Diffstat (limited to 'platform/web/detect.py')
-rw-r--r-- | platform/web/detect.py | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/platform/web/detect.py b/platform/web/detect.py index 579eaaff03..bbe1634dfa 100644 --- a/platform/web/detect.py +++ b/platform/web/detect.py @@ -8,6 +8,7 @@ from emscripten_helpers import ( add_js_pre, add_js_externs, create_template_zip, + get_template_zip_path, ) from methods import get_compiler_version from SCons.Util import WhereIs @@ -30,6 +31,9 @@ def get_opts(): return [ ("initial_memory", "Initial WASM memory (in MiB)", 32), + # Matches default values from before Emscripten 3.1.27. New defaults are too low for Godot. + ("stack_size", "WASM stack size (in KiB)", 5120), + ("default_pthread_stack_size", "WASM pthread default stack size (in KiB)", 2048), BoolVariable("use_assertions", "Use Emscripten runtime assertions", False), BoolVariable("use_ubsan", "Use Emscripten undefined behavior sanitizer (UBSAN)", False), BoolVariable("use_asan", "Use Emscripten address sanitizer (ASAN)", False), @@ -158,11 +162,14 @@ def configure(env: "Environment"): # Add method that joins/compiles our Engine files. env.AddMethod(create_engine_file, "CreateEngineFile") + # Add method for getting the final zip path + env.AddMethod(get_template_zip_path, "GetTemplateZipPath") + # Add method for creating the final zip file env.AddMethod(create_template_zip, "CreateTemplateZip") # Closure compiler extern and support for ecmascript specs (const, let, etc). - env["ENV"]["EMCC_CLOSURE_ARGS"] = "--language_in ECMASCRIPT_2020" + env["ENV"]["EMCC_CLOSURE_ARGS"] = "--language_in ECMASCRIPT_2021" env["CC"] = "emcc" env["CXX"] = "em++" @@ -193,37 +200,47 @@ def configure(env: "Environment"): env.Prepend(CPPPATH=["#platform/web"]) env.Append(CPPDEFINES=["WEB_ENABLED", "UNIX_ENABLED"]) - if cc_semver >= (3, 1, 25): - env.Append(LINKFLAGS=["-s", "STACK_SIZE=5MB"]) - else: - env.Append(LINKFLAGS=["-s", "TOTAL_STACK=5MB"]) - if env["opengl3"]: env.AppendUnique(CPPDEFINES=["GLES3_ENABLED"]) # This setting just makes WebGL 2 APIs available, it does NOT disable WebGL 1. env.Append(LINKFLAGS=["-s", "USE_WEBGL2=1"]) # Allow use to take control of swapping WebGL buffers. env.Append(LINKFLAGS=["-s", "OFFSCREEN_FRAMEBUFFER=1"]) + # Breaking change since emscripten 3.1.51 + # https://github.com/emscripten-core/emscripten/blob/main/ChangeLog.md#3151---121323 + if cc_semver >= (3, 1, 51): + # Enables the use of *glGetProcAddress() + env.Append(LINKFLAGS=["-s", "GL_ENABLE_GET_PROC_ADDRESS=1"]) if env["javascript_eval"]: env.Append(CPPDEFINES=["JAVASCRIPT_EVAL_ENABLED"]) - # Thread support (via SharedArrayBuffer). - env.Append(CPPDEFINES=["PTHREAD_NO_RENAME"]) - env.Append(CCFLAGS=["-s", "USE_PTHREADS=1"]) - env.Append(LINKFLAGS=["-s", "USE_PTHREADS=1"]) - env.Append(LINKFLAGS=["-s", "DEFAULT_PTHREAD_STACK_SIZE=2MB"]) - env.Append(LINKFLAGS=["-s", "PTHREAD_POOL_SIZE=8"]) - env.Append(LINKFLAGS=["-s", "WASM_MEM_MAX=2048MB"]) + stack_size_opt = "STACK_SIZE" if cc_semver >= (3, 1, 25) else "TOTAL_STACK" + env.Append(LINKFLAGS=["-s", "%s=%sKB" % (stack_size_opt, env["stack_size"])]) + + if env["threads"]: + # Thread support (via SharedArrayBuffer). + env.Append(CPPDEFINES=["PTHREAD_NO_RENAME"]) + env.Append(CCFLAGS=["-s", "USE_PTHREADS=1"]) + env.Append(LINKFLAGS=["-s", "USE_PTHREADS=1"]) + env.Append(LINKFLAGS=["-s", "DEFAULT_PTHREAD_STACK_SIZE=%sKB" % env["default_pthread_stack_size"]]) + env.Append(LINKFLAGS=["-s", "PTHREAD_POOL_SIZE=8"]) + env.Append(LINKFLAGS=["-s", "WASM_MEM_MAX=2048MB"]) + elif env["proxy_to_pthread"]: + print('"threads=no" support requires "proxy_to_pthread=no", disabling proxy to pthread.') + env["proxy_to_pthread"] = False if env["lto"] != "none": # Workaround https://github.com/emscripten-core/emscripten/issues/19781. if cc_semver >= (3, 1, 42) and cc_semver < (3, 1, 46): env.Append(LINKFLAGS=["-Wl,-u,scalbnf"]) + # Workaround https://github.com/emscripten-core/emscripten/issues/16836. + if cc_semver >= (3, 1, 47): + env.Append(LINKFLAGS=["-Wl,-u,_emscripten_run_callback_on_thread"]) if env["dlink_enabled"]: if env["proxy_to_pthread"]: - print("GDExtension support requires proxy_to_pthread=no, disabling") + print("GDExtension support requires proxy_to_pthread=no, disabling proxy to pthread.") env["proxy_to_pthread"] = False if cc_semver < (3, 1, 14): |