diff options
| author | eska <eska@eska.me> | 2016-11-11 03:58:03 +0100 |
|---|---|---|
| committer | eska <eska@eska.me> | 2016-11-13 15:29:03 +0100 |
| commit | 82addf2ffe18c49d437ee6d425e3470817f0dc85 (patch) | |
| tree | 04848c780b95e5929d972342d568593a05220253 /platform | |
| parent | 31f929caa2bc8422c0a6bb50f81500e1f4db101b (diff) | |
Enable memory growth in WebAssembly builds
This allows setting TOTAL_MEMORY during runtime at the cost of reserving
a bit more memory.
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/javascript/detect.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py index 9bc204a94a..1ee3358888 100644 --- a/platform/javascript/detect.py +++ b/platform/javascript/detect.py @@ -76,6 +76,7 @@ def configure(env): if("module_opus_enabled" in env and env["module_opus_enabled"] != "no"): env.opus_fixed_point = "yes" + # These flags help keep the file size down env.Append(CPPFLAGS=["-fno-exceptions", '-DNO_SAFE_CAST', '-fno-rtti']) env.Append(CPPFLAGS=['-DJAVASCRIPT_ENABLED', '-DUNIX_ENABLED', '-DPTHREAD_NO_RENAME', '-DNO_FCNTL', '-DMPC_FIXED_POINT', '-DTYPED_METHOD_BIND', '-DNO_THREADS']) env.Append(CPPFLAGS=['-DGLES2_ENABLED']) @@ -86,6 +87,12 @@ def configure(env): if env['wasm'] == 'yes': env.Append(LINKFLAGS=['-s', 'BINARYEN=1']) env.Append(LINKFLAGS=['-s', '\'BINARYEN_METHOD="native-wasm"\'']) + # Maximum memory size is baked into the WebAssembly binary during + # compilation, so we need to enable memory growth to allow setting + # TOTAL_MEMORY at runtime. The value set at runtime must be higher than + # what is set during compilation, check TOTAL_MEMORY in Emscripten's + # src/settings.js for the default. + env.Append(LINKFLAGS=['-s', 'ALLOW_MEMORY_GROWTH=1']) env["PROGSUFFIX"] += ".webassembly" else: env.Append(CPPFLAGS=['-s', 'ASM_JS=1']) |