Ensure better compatibility when emcc which may run some tools from
different paths (e.g. closure compiler).
This fixes externs include issues with modern emcc using the closure
compiler.
(cherry picked from commit eaedc92c61)
The "webgl/webgl2.h" include provides that function, but it's not
available in emscripten versions < 2.0.17 .
Since we need to support emscripten 1.39.9 (mono builds), this commit
adds a JS function in library_godot_display.js as a compatibility layer
for it, and implement glGetBufferSubData by funneling the call to that
function (so we don't have name collisions JS-side with recent emcc).
All those hacks are now moved to the platform directory instead of being
ifdefs inside the drivers implementations.
Add `WARN_ON_UNDEFINED_SYMBOLS=0` for the main module (which defines
`godot_js_main` as extern coming from the "side" module, i.e. the main
Godot binary).
(cherry picked from commit 14c057eab6)
This allows to install it as an app, and provide offline support (after
the first run).
Practically, this boils down to adding a JSON file as a manifest, an
offline page to be displayed when the cached files are not avaialble,
and a JS file to cache resources and return them.
The reason for the "first run requirements" is that some browsers, will
emit an "install" by just visiting the page (to see if the JS code is
compatibile), and we do not want to force casual visitors to just
download the 10 MiB+ compressed editor WebAssembly file without pressing
the start button.
Special thanks to Hugo Locurcio (Calinou) for the initial work.
This commit also removes the utils.js engine file, moving some of it's
content to config.js and some to engine.js .
(cherry picked from commit 018ee5a4dc)
We used to have it like `$GODOT_VERSION` which caused inconsistencies
between different scons versions when substituting it.
It's now `@GODOT_VERSION@`, which is safe on both scons3 and scons4.
(cherry picked from commit 4404eb57e4)
Working, with emscripten > 2.0.9
Yes, the unreleased version. 2.0.9 works, but throws and error due to a
bug in emscripten with the thirdparty ENet library.
The issue is fixed upstream so newer releases will work.
Initial work to make liniting easier.
This includes:
- Rename http_request.js to library_godot_http_request.js.
- Rename externs.js to engine.externs.js.
- New library_godot_runtime.js (GodotRuntime) wraps around emscripten
functions.
- Refactor of XMLHttpRequest handler in engine/preloader.js.
- Few fixes to bugs spotted by early stage linting.
Rewrote AudioDriverJavaScript to support multiple processor nodes.
The old (and deprecated) ScriptProcessorNode when threads are not
available, and the new AudioWorklet API when threads are enabled.
The new implementation uses two ring buffers and a shared state to
communicated with the AudioWorklet thread.
The audio.worklet.js JavaScript file is always added to the export
template, but only really used (and download) in the thread build.
The API is implemented in javascript, and generates C functions that can
be called from godot.
This allows much cleaner code replacing all `EM_ASM` calls in our C++
code with plain C function calls.
This also gets rid of few hacks and comes with few optimizations (e.g.
custom cursor shapes should be much faster now).
A new editor plugin, specific to HTML5, that provide some extra features
needed to make the editor usable on that platform.
For now, it adds a "Download project sources" option in the "Tool" menu,
so the user can download the work done as a zip file (from the browser
storage).
This should fix some of the audio stuttering issues when the HTML5
export is compiled with threads support.
The API should be ported to AudioWorklet to (hopefully) be perfect.
That though, cannot be backported to 3.2 due to extra restriction of
AudioWorklet (which only runs in SecureContext, and needs a polyfill for
Safari).
- Refactored the Engine code, splitted across files.
- Use MODULARIZE option to build emscripten code into it's own closure.
- Optional closure compiler run for JS and generated code.
- Enable lto support (saves ~2MiB in release).
- Can now build with tools=yes (not much to see yet).
- Dropped some deprecated code for older toolchains.
- Add onExit, and onExecute JS function.
- Add files drag and drop support.
- Add support for low precessor usage mode (via offscreen render, swap).
Configured for a max line length of 120 characters.
psf/black is very opinionated and purposely doesn't leave much room for
configuration. The output is mostly OK so that should be fine for us,
but some things worth noting:
- Manually wrapped strings will be reflowed, so by using a line length
of 120 for the sake of preserving readability for our long command
calls, it also means that some manually wrapped strings are back on
the same line and should be manually merged again.
- Code generators using string concatenation extensively look awful,
since black puts each operand on a single line. We need to refactor
these generators to use more pythonic string formatting, for which
many options are available (`%`, `format` or f-strings).
- CI checks and a pre-commit hook will be added to ensure that future
buildsystem changes are well-formatted.
(cherry picked from commit cd4e46ee65)
- Implement promise-based JS interface for custom HTML page
integration
- Add download progress callback
- Add progress bar and indeterminate spinner to default HTML page
- Try downloading files multiple times when failing
- Get rid of godotfs.js
- Separate steps for engine initialization, game initialization and game
start
- Allow multiple games on one HTML page
- Substitution placeholders only used in .html file
- Placeholders renamed: $GODOT_BASE => $GODOT_BASENAME,
$GODOT_TMEM -> $GODOT_TOTAL_MEMORY
- Emscripten Module is now Engine.RuntimeEnvironment (no longer a global)
Emscripten injects its loader script when linking, so force relinking
whenever the HTML shell changes.
Also remove useless FULL_ES2 flag, which should be a linker flag, but
would impact performance too much.
WebAssembly is still experimental, so disabled by default.
The HTML shell file now uses $GODOT_BASE, a placeholder for the
base filename, instead of $GODOT_JS, $GODOT_MEM and $GODOT_FS.
