Kubuntu 14.04 x64, HD5770

glxinfo |grep Open
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD JUNIPER
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.3.2
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 10.3.2
OpenGL shading language version string: 1.30
OpenGL context flags: (none)

Firefox has an option of smooth scrolling(Preferences -> General -> Use smooth
scrolling). However it doesn't work on OSS drivers for my card. It does work on
Intel ones and closed source though.