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Distribution
============
 
Along with the interface definitions, the following drivers, state trackers,
and auxiliary modules are shipped in the standard Gallium distribution.
 
Drivers
-------
 
Intel i915
^^^^^^^^^^
 
Driver for Intel i915 and i945 chipsets.
 
Identity
^^^^^^^^
 
Wrapper driver. The identity driver is a simple skeleton that passes through
all of its :ref:`Context` and :ref:`Screen` methods to an underlying Context
and Screen, and as such, it is an excellent starting point for new drivers.
 
LLVM Softpipe
^^^^^^^^^^^^^
 
A version of :ref:`softpipe` that uses the Low-Level Virtual Machine to
dynamically generate optimized rasterizing pipelines.
 
nVidia nv30
^^^^^^^^^^^
 
Driver for the nVidia nv30 and nv40 families of GPUs.
 
nVidia nv50
^^^^^^^^^^^
 
Driver for the nVidia nv50 family of GPUs.
 
nVidia nvc0
^^^^^^^^^^^
 
Driver for the nVidia nvc0 / fermi family of GPUs.
 
VMware SVGA
^^^^^^^^^^^
 
Driver for VMware virtualized guest operating system graphics processing.
 
ATI r300
^^^^^^^^
 
Driver for the ATI/AMD r300, r400, and r500 families of GPUs.
 
ATI/AMD r600
^^^^^^^^^^^^
 
Driver for the ATI/AMD r600, r700, Evergreen and Northern Islands families of GPUs.
 
AMD radeonsi
^^^^^^^^^^^^
 
Driver for the AMD Southern Islands family of GPUs.
 
.. _softpipe:
 
Softpipe
^^^^^^^^
 
Reference software rasterizer. Slow but accurate.
 
Trace
^^^^^
 
Wrapper driver. Trace dumps an XML record of the calls made to the
:ref:`Context` and :ref:`Screen` objects that it wraps.
 
Rbug
^^^^
 
Wrapper driver. :ref:`rbug` driver used with stand alone rbug-gui.
 
.. _galahad:
 
Galahad
^^^^^^^
 
Wrapper driver. Sanity checker for the internal gallium state. Normally
a driver should n't have to sanity check the input it gets from a state
tracker. Any wrong state received should be perceived as a state tracker bug.
 
State Trackers
--------------
 
Clover
^^^^^^
 
Tracker that implements the Khronos OpenCL standard.
 
.. _dri:
 
Direct Rendering Infrastructure
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
Tracker that implements the client-side DRI protocol, for providing direct
acceleration services to X11 servers with the DRI extension. Supports DRI1
and DRI2. Only GL is supported.
 
.. _egl:
 
EGL
^^^
 
Tracker for the Khronos EGL standard, used to set up GL and GLES contexts
without extra knowledge of the underlying windowing system.
 
GLX
^^^
 
MesaGL
^^^^^^
 
Tracker implementing a GL state machine. Not usable as a standalone tracker;
Mesa should be built with another state tracker, such as :ref:`DRI` or
:ref:`EGL`.
 
OpenVG
^^^^^^
 
Tracker that implements the Khronos OpenVG standard.
 
VDPAU
^^^^^
 
Tracker for Video Decode and Presentation API for Unix.
 
WGL
^^^
 
Xorg DDX
^^^^^^^^
 
Tracker for Xorg X11 servers. Provides device-dependent
modesetting and acceleration as a DDX driver.
 
XvMC
^^^^
 
Tracker for X-Video Motion Compensation.
 
Auxiliary
---------
 
OS
^^
 
The OS module contains the abstractions for basic operating system services:
 
* memory allocation
* simple message logging
* obtaining run-time configuration option
* threading primitives
 
This is the bare minimum required to port Gallium to a new platform.
 
The OS module already provides the implementations of these abstractions for
the most common platforms. When targeting an embedded platform no
implementation will be provided -- these must be provided separately.
 
CSO Cache
^^^^^^^^^
 
The CSO cache is used to accelerate preparation of state by saving
driver-specific state structures for later use.
 
.. _draw:
 
Draw
^^^^
 
Draw is a software :term:`TCL` pipeline for hardware that lacks vertex shaders
or other essential parts of pre-rasterization vertex preparation.
 
Gallivm
^^^^^^^
 
Indices
^^^^^^^
 
Indices provides tools for translating or generating element indices for
use with element-based rendering.
 
Pipe Buffer Managers
^^^^^^^^^^^^^^^^^^^^
 
Each of these managers provides various services to drivers that are not
fully utilizing a memory manager.
 
Remote Debugger
^^^^^^^^^^^^^^^
 
Runtime Assembly Emission
^^^^^^^^^^^^^^^^^^^^^^^^^
 
TGSI
^^^^
 
The TGSI auxiliary module provides basic utilities for manipulating TGSI
streams.
 
Translate
^^^^^^^^^
 
Util
^^^^