diff options
Diffstat (limited to 'platform/javascript/detect.py')
| -rw-r--r-- | platform/javascript/detect.py | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py index 9f584d0899..f4fa5fb218 100644 --- a/platform/javascript/detect.py +++ b/platform/javascript/detect.py @@ -23,6 +23,7 @@ def get_opts(): # eval() can be a security concern, so it can be disabled. BoolVariable("javascript_eval", "Enable JavaScript eval interface", True), BoolVariable("threads_enabled", "Enable WebAssembly Threads support (limited browser support)", False), + BoolVariable("gdnative_enabled", "Enable WebAssembly GDNative support (produces bigger binaries)", False), BoolVariable("use_closure_compiler", "Use closure compiler to minimize JavaScript code", False), ] @@ -85,10 +86,8 @@ def configure(env): # LTO if env["use_lto"]: - env.Append(CCFLAGS=["-s", "WASM_OBJECT_FILES=0"]) - env.Append(LINKFLAGS=["-s", "WASM_OBJECT_FILES=0"]) - env.Append(CCFLAGS=["-flto"]) - env.Append(LINKFLAGS=["-flto"]) + env.Append(CCFLAGS=["-flto=full"]) + env.Append(LINKFLAGS=["-flto=full"]) # Closure compiler if env["use_closure_compiler"]: @@ -135,6 +134,9 @@ def configure(env): if env["javascript_eval"]: env.Append(CPPDEFINES=["JAVASCRIPT_EVAL_ENABLED"]) + if env["threads_enabled"] and env["gdnative_enabled"]: + raise Exception("Threads and GDNative support can't be both enabled due to WebAssembly limitations") + # Thread support (via SharedArrayBuffer). if env["threads_enabled"]: env.Append(CPPDEFINES=["PTHREAD_NO_RENAME"]) @@ -146,14 +148,15 @@ def configure(env): else: env.Append(CPPDEFINES=["NO_THREADS"]) + if env["gdnative_enabled"]: + env.Append(CCFLAGS=["-s", "RELOCATABLE=1"]) + env.Append(LINKFLAGS=["-s", "RELOCATABLE=1"]) + env.extra_suffix = ".gdnative" + env.extra_suffix + # Reduce code size by generating less support code (e.g. skip NodeJS support). env.Append(LINKFLAGS=["-s", "ENVIRONMENT=web,worker"]) - # We use IDBFS in javascript_main.cpp. Since Emscripten 1.39.1 it needs to - # be linked explicitly. - env.Append(LIBS=["idbfs.js"]) - - env.Append(LINKFLAGS=["-s", "BINARYEN=1"]) + # Wrap the JavaScript support code around a closure named Godot. env.Append(LINKFLAGS=["-s", "MODULARIZE=1", "-s", "EXPORT_NAME='Godot'"]) # Allow increasing memory buffer size during runtime. This is efficient @@ -164,12 +167,14 @@ def configure(env): # This setting just makes WebGL 2 APIs available, it does NOT disable WebGL 1. env.Append(LINKFLAGS=["-s", "USE_WEBGL2=1"]) + # Do not call main immediately when the support code is ready. env.Append(LINKFLAGS=["-s", "INVOKE_RUN=0"]) # Allow use to take control of swapping WebGL buffers. env.Append(LINKFLAGS=["-s", "OFFSCREEN_FRAMEBUFFER=1"]) - # callMain for manual start, FS for preloading, PATH and ERRNO_CODES for BrowserFS. + # callMain for manual start. env.Append(LINKFLAGS=["-s", "EXTRA_EXPORTED_RUNTIME_METHODS=['callMain']"]) + # Add code that allow exiting runtime. env.Append(LINKFLAGS=["-s", "EXIT_RUNTIME=1"]) |