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Add WebAssembly SIMD support

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This commit is contained in:
Adam Scott
2025-05-12 12:40:59 -04:00
parent 19bb18716e
commit f114a8d1d1
2 changed files with 11 additions and 0 deletions
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5
platform/web/detect.py
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@@ -57,6 +57,7 @@ def get_opts():
"Use Emscripten PROXY_TO_PTHREAD option to run the main application code to a separate thread",
False,
),
BoolVariable("wasm_simd", "Use WebAssembly SIMD to improve CPU performance", True),
]
@@ -276,6 +277,10 @@ def configure(env: "SConsEnvironment"):
# https://github.com/emscripten-core/emscripten/issues/18034#issuecomment-1277561925
env.Append(LINKFLAGS=["-sTEXTDECODER=0"])
# Enable WebAssembly SIMD
if env["wasm_simd"]:
env.Append(CCFLAGS=["-msimd128"])
# Reduce code size by generating less support code (e.g. skip NodeJS support).
env.Append(LINKFLAGS=["-sENVIRONMENT=web,worker"])