<ul>
<li><b>cell</b> - Driver for Cell processor.
<li><b>i915</b> - Driver for Intel i915/i945.
- <li><b>i965</b> - Driver for Intel i965.
<li><b>llvmpipe</b> - Software driver using LLVM for runtime code generation.
<li><b>nv*</b> - Drivers for NVIDIA GPUs.
<li><b>r300</b> - Driver for ATI/AMD R300.