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Merge pull request #75166 from nikitalita/fix-emscripten-stack-size

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SCons: Add `stack_size` and `default_pthread_stack_size` options to Web target
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Rémi Verschelde 2024-01-03 15:39:44 +01:00
commit dc0114ff84
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GPG key ID: C3336907360768E1
1 changed files with 7 additions and 6 deletions
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13
platform/web/detect.py
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@ -30,6 +30,9 @@ 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),
@ -193,11 +196,6 @@ 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.
@ -208,11 +206,14 @@ def configure(env: "Environment"):
if env["javascript_eval"]:
env.Append(CPPDEFINES=["JAVASCRIPT_EVAL_ENABLED"])
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"])])
# 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", "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"])