SDL 2.0 Roadmap

This is a list of features which are in progress for the SDL 2.0 release. The features are organized by subsystem and assigned to developers. Features will move around as the design evolves.

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Video

Complete

• Sam: Add support for multiple windows

• Sam: Create 3D accelerated texture based rendering API

• Sam: Create API for enabling/disabling the screensaver

• Sam: Add support for selecting video mode refresh rate

• Sam: Create API for clipboard support (check out PyGame)

• Sam: Add support for multiple displays

• Sam: Add concept of viewport to fullscreen windows

• Sam: Add support for synchronizing 2D updates with vblank, using SDL_HINT_RENDER_VSYNC

• Mason Wheeler and Gabriel Jacobo: Add support for render targets

Required

• Ryan: Implement landscape mode for iPhone port
• Sam: Add support for OpenGL context profiles
• Sam: Create flags for specifying foreign window event behavior

• Andreas: Support shaped windows"

  • Windows"

  • Mac OS X

  • Linux"

Wishlist

• Create desktop video mode change notification

• Support always-on-top window styles

• Support multiple icon sizes (e.g. for Windows Vista)

• Implement NET_WM_PING and NET_WM_PID/WM_CLIENT_MACHINE (http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html#KILLINGWINDOWS)

• Support desktop windows

  •         setAttribute(Qt::WA_X11NetWmWindowTypeDesktop);
            setWindowFlags(Qt::SplashScreen);
    
            Qt::WindowFlags flags = 0;
                flags |= Qt::FramelessWindowHint;
                flags |= Qt::Tool;
                flags |= Qt::WindowStaysOnBottomHint;
    

Audio

Complete

• Ryan: Add support for float and 32-bit int audio formats

• Ryan: Add support for 7.1 speaker output

Required

• Ryan: Create audio recording API

  • Windows
  • Mac OS X
  • Linux

• Ryan: Add support for multiple audio devices

  • Windows
  • Mac OS X
  • Linux
• Ryan: Add support for audio device live connect and disconnect
• Ryan: Add support for non-power-of-two audio rate conversion

Wishlist

• PCM volume control

Event

Complete

• Sam: Add a way to dynamically register for custom event types

• Add a timeout parameter for SDL_WaitEvent() (http://lists.libsdl.org/pipermail/sdl-libsdl.org/2008-May/thread.html#65067)

Required

• Sam: Add modifier state to key and button events
• Sam: Resolve question of how to represent iOS events which need to be handled before dispatch returns

Wishlist

• Add a timestamp to events

Mouse Input

Complete

• Sam: Mousewheel has a separate event

• Sam: Support showing / hiding the cursor

• Sam: Add support color cursors

Required

• Sam: Reimplement mouse grab support
• Verify cursor location is correct when ungrabbed
• Verify proper behavior with Vista DPI scaling

Wishlist

• Ryan: Add support for multiple mice

  • Q: What is the mapping of individual mice to pointers? Is there a "master pointer" that multiple mice share and then events for the individual mice? Is there a dual mode, where you have a single pointer that all mice affect, and you can switch to multiple pointers, each affected by a single mouse?

• Pressure/tilt support for tablet like devices

• Add support animated cursors

Keyboard Input

Complete

• Sam: Create new text input event separate from key events

Required

• Q: When you're enabling or disabling text events via keystroke, how do you ignore the text generated by the key that is toggling text input?
  • A: Key events are guaranteed to happen first

• Sam/Jiang/Daniel: Create IME API and support system IME interfaces

  • Windows

  • Mac OS X

  • Linux
• Sam: Add name to keysym and name to scancode lookup functions

Joystick Input

Complete

• Edgar: Create Force Feedback API

Required

• Ryan: Add support for joystick device live connect and disconnect

Multi-touch Input

Complete

• Jim: Create multi-touch input API

Multi-threading

Complete

• Sam: Create API for getting the number of CPUs

• Bob: Create API for atomic operations on data

• Sam: Remove unsafe SDL_KillThread() API

• Sam: Create API for thread priority

Timers

Complete

• Sam: Add higher precision timers for profiling

General

Complete

• Ryan: Create API for assertions

• Sam: Public license for SDL_compat.c, tests, and SDL_main*

• Sam: Figure out the best way to support simultaneous SDL 1.2 and SDL 2.0 installations

• Sheena: Finish 2.0 API documentation

Required

• Sam: Write introductions for SDL 2.0 API documentation

Wishlist

• Create an API for live video capture

• Create an API for accelerometer data

• Create extended set of (negative) error codes and have the API functions document and return them

Ryan has more information on the SDL 2.0 changes that you can find here:
http://icculus.org/cgi-bin/finger/finger.pl?user=icculus&date=2007-10-07&section=sdl13