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Immediately run first iteration after JS FS sync. 

Which is now run inside an animation frame.
This avoid a 1 frame black screen when setting up the canvas.
This commit is contained in:
Fabio Alessandrelli 2020-06-14 15:48:18 +02:00
parent 8b79f2aad4
commit 5c75cb0133
1 changed files with 8 additions and 4 deletions
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12
platform/javascript/javascript_main.cpp
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@ -80,6 +80,9 @@ extern "C" EMSCRIPTEN_KEEPALIVE void main_after_fs_sync(char *p_idbfs_err) {
Main::start();
os->get_main_loop()->init();
emscripten_resume_main_loop();
// Immediately run the first iteration.
// We are inside an animation frame, we want to immediately draw on the newly setup canvas.
main_loop_callback();
}
int main(int argc, char *argv[]) {
@ -91,14 +94,15 @@ int main(int argc, char *argv[]) {
// Sync from persistent state into memory and then
// run the 'main_after_fs_sync' function.
/* clang-format off */
EM_ASM(
EM_ASM({
FS.mkdir('/userfs');
FS.mount(IDBFS, {}, '/userfs');
FS.syncfs(true, function(err) {
ccall('main_after_fs_sync', null, ['string'], [err ? err.message : ""])
requestAnimationFrame(function() {
ccall('main_after_fs_sync', null, ['string'], [err ? err.message : ""]);
});
});
);
});
/* clang-format on */
return 0;