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Information for Intel graphics driver users
Eric Anholt
2006-08-04
____________________________________________________________
Table of Contents
1. Introduction
2. Supported Hardware
3. Features
4. Technical Notes
5. Configuration
6. Driver Options
7. Known Limitations
8. Author
______________________________________________________________________
11.. IInnttrroodduuccttiioonn
This document provides a brief summary of the Intel graphics support
provided by the xf86-video-intel driver. More information can also be
found in the i810(4) manual page.
22.. SSuuppppoorrtteedd HHaarrddwwaarree
+o i810,
+o i810-dc100,
+o i810e
+o i815
+o i830
+o i845
+o i852
+o i855
+o i915
+o i945
+o i965
33.. FFeeaattuurreess
+o Full support for 8, 15, 16, and 24 bit pixel depths.
+o Hardware accelerated 2D drawing engine support for 8, 15, 16 and 24
bit pixel depths.
+o Hardware accelerated 3D drawing using OpenGL and the DRI.
+o Hardware cursor support to reduce sprite flicker.
+o Textured video XV implementation on i915 through i965.
+o Hardware overlay XV implementation up through i945.
+o Screen resize and rotation on chipsets up through i945.
+o Screen resize on i965.
44.. TTeecchhnniiccaall NNootteess
+o Interlace modes cannot be supported.
+o This driver requires kernel support for AGP, which is included in
Linux kernels 2.3.42 and higher, and FreeBSD 4.1 and higher.
55.. CCoonnffiigguurraattiioonn
The driver auto-detects all device information necessary to initialize
the card. The only lines you should need in the "Device" section of
your xorg.conf file are:
Section "Device"
Identifier "Intel i810"
Driver "i810"
EndSection
In order to use most resolutions, it is necessary to install the
"agpgart.o" module. You will probably have to compile the module
yourself (see the notes in the module).
66.. DDrriivveerr OOppttiioonnss
Please refer to the i810(4) manual page for information on
configuration options.
77.. KKnnoowwnn LLiimmiittaattiioonnss
+o Many systems with Intel graphics have issues with setting video
modes at larger than some small maximum resolution. This is not
fixed in the current release, but is being actively worked on in
the modesetting branch.
+o Bug #5795: Some systems have issues with VT switching. This should
be fixed with the modesetting brach integration.
+o Bug #5817: Hotkey switching from LVDS to CRT breaks CRT output.
This is a known issue, but will not be fixed in the current
release.
+o Bug #6635: Video is output from an incorrect offset in the
framebuffer. This is expected to be fixed with the modesetting
branch integration.
+o GL_EXT_texture_compression_s3tc is not supported. We can't support
the extension due to patent restrictions on compression, but may be
able to support an option for partial extension support in the
future. For now, this prevents Quake4 and some other games from
running.
+o Some X Test Suite cases sometimes fail due to a timeout. These
cases include: Xt8/XtResizeWindow, Xt8/XtQueryGeometry,
Xt9/XtAppAddInput, Xt9/XtRemoveInput, Xt9/XtAppAddTimeOut,
Xt9/XtRemoveTimeOut, Xt9/XtAddGrab, Xt9/XtRemoveGrab.
+o Some X Test Suite cases fail in 64-bit mode: Xlib9/XDrawArc,
XDrawImageString, XDrawLine, XDrawRectangle, XDrawSegments,
XFillArc, XFillPolygon, XFillRectangle, XPutImage,
Xt11/XtVaGetSubresources, XtSetSubvalues, and XtVaSetSubvalues.
+o Some GLEAN test cases fail if DRI is enabled: pointAtten,
readPixSanity, texCombine, texCube, texEnv, texgen,
coloredTexPerf2, and coloredLitPerf2.
88.. AAuutthhoorr
+o Eric Anholt
+o Keith Whitwell
The X11R7.1 version of this driver originally came from XFree86 4.4
rc2.
The XFree86 version of this driver was donated to The XFree86 Project
by:
Precision Insight, Inc.
Cedar Park, TX
USA
The X.Org version of this driver is maintained by Intel Corporation.
http://www.intellinuxgraphics.org
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