Implementation Status

This page is targeted who uses the previous version of OpenSiv3D for Web and no longer maintained.

Also Check Project:Features

Status Marks

Marks	Explanations
✅	Implemented & Supported
⚠️	Implemented, maybe Broken or Feature Limited
🚧	Implementing
❔	Unknown
❌	Currently Not Implemented (will be Implemented in Feature Releases)
🚫	Will Not Implemented

Browser Support

Useful Links

• Can I use: WebGL2
• WebAssembly Roadmap

Windows

Browser	Supported	Remarks
Internet Explorer 11	🚫	missing WebGL2, WebAssembly support
Google Chrome	✅
Mozilla Firefox	✅	Clipboard::ReadText does not work
Microsoft Edge	✅
Opera	❔

macOS

Browser	Supported	Remarks
Safari	⚠️	works on Safari 14.0, macOS BigSur; requires experimental WebGL2 support
Google Chrome	✅
Mozilla Firefox	✅	Clipboard::ReadText does not work

Linux

Browser	Supported	Remarks
Google Chrome	❔
Mozilla Firefox	❔	Clipboard::ReadText does not work

Android

Browser	Supported	Remarks
Android Browser	❔
Google Chrome	✅
Mozilla Firefox	✅	Clipboard::ReadText does not work
Opera Mobile	❔

iOS

Browser	Supported	Remarks
Safari	⚠️	requires experimental WebGL2 support
Google Chrome	❔

Graphics

Image File Formats

Format Name	Status	Remarks
Bitmap	✅
PNG	✅
Jpeg	✅	Also supports libturbojpeg
GIF	✅
WebP	✅

Fonts

Feature Name	Status	Remarks
Embedded Font	✅
Emoji	✅
System Fonts	❌

Audio

Audio Files Formats

Format Name	Status	Remarks
Wave	✅
MP3	✅	Use s3d::Platform::WebAudioProcessing::DecodeAudioFromFile.
AAC	✅	Use s3d::Platform::WebAudioProcessing::DecodeAudioFromFile. Can be enabled by building manually
Ogg	✅

Input Devices

Device Name	Status	Remarks
Keyboard	✅
Mouse	✅
Multi-touch	✅	Supports as Mouse Emulation
GamePad	✅	No Support for POV
XInput	🚫
JoyCon	❌
ProCon	❌

HW Features

Feature Name	Status	Remarks
WebCamera	✅	Restricts: Fixed Resolution (640x480)
Microphone	⚠️	Broken emscripten’s OpenAL Support
CPU Feature Detection	🚫
Power-Status	🚫	Depends Deprecated API: Battery Status API

File System

Feature Name	Status	Remarks
On-Memory Files (MEMFS)	✅	Restricts: Flushed All Files on Reload (Web Extension)
Indexed DataBase (IDBFS)	❌
File Dialogs	✅	Use functions in namespace s3d::Platform::Web::Dialog
File Drag & Drop	✅

Text Input/Output

Feature Name	Status	Remarks
Text Input Basic Support	✅
IME Basic Support	✅	Uses Synchronization with HTMLInputElement
IME Candidate	🚫
Text-To-Speech	🚧	Chrome: not working, Edge: cannot Query Language List

Misc

Feature Name	Status	Remarks
Notification	🚧
MessageBox	✅	Just Calls window.alert or window.confirm
ClipBoard	✅	Only Support Copy or Paste Texts; Use GetText in namespace s3d::Platform::Web::Clipboard instead of Clipboard::GetText
Network	❌	Depends on WebSocket, which not supports P2P communication.
Siv3D Scripts	✅
ChildProcess	❌
NLP	❌	Depends ChildProcess Support