In those situations we get multiple WM_MOUSEMOVE events per frame. The problem was that we moved the cursor back to the window center after every such event, right in the middle of the event loop. The fix was to only center the cursor once, after the event buffer has been drained.
Added support for OpenGL 3.0 context creation (MAJOR/MINOR versions, DEBUG mode, FORWARD_COMBATIBLE mode)
Added support for OpenGL 3.0 context sharing
Added support for OpenGL 3.0 extension detection
Improved support for floating point PixelFormats (ARB_color_buffer_float)
Added support for packed floating point PixelFormats (EXT_packed_float)
Added support for sRGB PixelFormats (ARB_framebuffer_sRGB)
Added support for pseudo-FORWARD_COMBATIBLE mode (deprecated functions not loaded)
Added support for EXT_direct_state_access
1. DirectInput is deprecated (http://en.wikipedia.org/wiki/DirectInput). Specifically, Microsoft recommends using regular windows messages for keyboard and mouse input.
2. Not using DirectInput enable us to use the Raw Input JInput plugin to access multiple mice (and keyboards).
3. We're already using windows messages for features DirectInput never supported, so by removing DirectInput dependency, we get rid of some special case code.
4. When we're only using windows messages for input, we're (theoretically) more compatible than with a dependency on a properly working DirectInput.