combinations of compile and execute modes.
Most current drivers use the tnl module exclusively to provide this
-functionality, though there is an experimental alternate
-implementation provided by the tnl_dd/t_dd_imm_* files which can
-handle a small subset of GL states in execute mode only.
+functionality.
STATE
The default pipeline is specified in t_pipeline.c, and is usually a
starting point for driver pipelines. Some drivers will remove a stage
where hardware provides support for the implemented operation (for
-instance fog where per-pixel hardware fog is available, as in the dri
-tdfx driver), or add stages to shortcircuit latter operations (for
+instance fog where per-pixel hardware fog is available),
+or add stages to shortcircuit latter operations (for
example taking advantage of hardware support for strips and other
higher-level primitives (for example the radeon driver).