Gallium 0.4 on i915 is a OpenGL driver.
linux-zen-git_cfs_cqs - Tests on Gentoo Base System 2.0.1, Intel T1350, Gallium 0.4 on i915
Intel Brings OpenGL 2.0/2.1 To Classic i915 Mesa Driver: While there's been talk recently of defaulting the Intel i914/i945 hardware support to using Gallium3D rather than the longstanding classic i915 Mesa DRI driver, some new features were just introduced into the i915 classic world...
Intel i915 Gallium3D Performance Examined: Last week after a modern Intel Gallium3D driver was proposed for mainline Mesa, a side discussion ended up being ignited about making the i915 Gallium3D driver the default for older generations of Intel graphics hardware. To see where the i915 Gallium3D driver is at compared to the i915 Classic Mesa DRI driver, here are some new benchmarks from aging Intel i945 hardware.
Gallium3D Update, 2D Support Coming?: During FOSDEM this year, Keith Whitwell had provided a status update on Gallium3D and where they were at as of February. However, a lot has changed since then. Today at XDS 2008, Keith has provided a new status update of where they are at with this new driver infrastructure.