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+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH intel  __drivermansuffix__ __vendorversion__
+.SH NAME
+intel \- Intel integrated graphics chipsets
+.SH SYNOPSIS
+.nf
+.B "Section \*qDevice\*q"
+.BI "  Identifier \*q"  devname \*q
+.B  "  Driver \*qintel\*q"
+\ \ ...
+.B EndSection
+.fi
+.SH DESCRIPTION
+.B intel
+is an __xservername__ driver for Intel integrated graphics chipsets.
+The driver supports depths 8, 15, 16 and 24.  All visual types are
+supported in depth 8.  For the i810/i815 other depths support the
+TrueColor and DirectColor visuals.  For the i830M and later, only the
+TrueColor visual is supported for depths greater than 8.  The driver
+supports hardware accelerated 3D via the Direct Rendering Infrastructure
+(DRI), but only in depth 16 for the i810/i815 and depths 16 and 24 for
+the 830M and later.
+.SH SUPPORTED HARDWARE
+.B intel
+supports the i810, i810-DC100, i810e, i815, i830M, 845G, 852GM, 855GM,
+865G, 915G, 915GM, 945G, 945GM, 965G, 965Q and 946GZ chipsets.
+
+.SH CONFIGURATION DETAILS
+Please refer to __xconfigfile__(__filemansuffix__) for general configuration
+details.  This section only covers configuration details specific to this
+driver.
+.PP
+The Intel 8xx and 9xx families of integrated graphics chipsets has a unified
+memory architecture and uses system memory for video ram.  For the i810 and
+i815 family of chipset, operating system support for allocating system
+memory for video use is required in order to use this driver.  For the 830M
+and later, this is required in order for the driver to use more video ram
+than has been pre-allocated at boot time by the BIOS.  This is usually
+achieved with an "agpgart" or "agp" kernel driver.  Linux, and recent
+versions of FreeBSD, OpenBSD and NetBSD have such kernel drivers available.
+.PP
+By default 8 Megabytes
+of system memory are used for graphics.  For the 830M and later, the
+default is 8 Megabytes when DRI is not enabled and 32 Megabytes with
+DRI is enabled.  This amount may be changed with the
+.B VideoRam
+entry in the config file
+.B "Device"
+section.  It may be set to any reasonable value up to 64MB for older
+chipsets or 128MB for newer chipsets.  It is advisable to check the
+__xservername__
+log file to check if any features have been disabled because of insufficient
+video memory.  In particular, DRI support or tiling mode may be disabled
+with insufficient video memory.  Either of these being disabled will
+reduce performance for 3D applications.  Note however, that increasing
+this value too much will reduce the amount of system memory available
+for other applications.
+.PP
+The following driver
+.B Options
+are supported
+.TP
+.BI "Option \*qNoAccel\*q \*q" boolean \*q
+Disable or enable acceleration.  Default: acceleration is enabled.
+.TP
+.BI "Option \*qSWCursor\*q \*q" boolean \*q
+Disable or enable software cursor.  Default: software cursor is disable
+and a hardware cursor is used for configurations where the hardware cursor
+is available.
+.TP
+.BI "Option \*qColorKey\*q \*q" integer \*q
+This sets the default pixel value for the YUV video overlay key.
+Default: undefined.
+.TP
+.BI "Option \*qCacheLines\*q \*q" integer \*q
+This allows the user to change the amount of graphics memory used for
+2D acceleration and video.  Decreasing this amount leaves more for 3D
+textures.  Increasing it can improve 2D performance at the expense of
+3D performance.
+.TP
+This option only takes effect when XAA acceleration is enabled.
+.TP
+Default: depends on the resolution, depth, and available video memory.  The
+driver attempts to allocate space for at 3 screenfuls of pixmaps plus an
+HD-sized XV video.  The default used for a specific configuration can be found
+by examining the __xservername__ log file.
+.TP
+.BI "Option \*qDRI\*q \*q" boolean \*q
+Disable or enable DRI support.
+Default: DRI is enabled for configurations where it is supported.
+
+.PP
+The following driver
+.B Options
+are supported for the i810 and i815 chipsets:
+.TP
+.BI "Option \*qDDC\*q \*q" boolean \*q
+Disable or enable DDC support.
+Default: enabled.
+.TP
+.BI "Option \*qDac6Bit\*q \*q" boolean \*q
+Enable or disable 6-bits per RGB for 8-bit modes.
+Default: 8-bits per RGB for 8-bit modes.
+.TP
+.BI "Option \*qXvMCSurfaces\*q \*q" integer \*q
+This option enables XvMC.  The integer parameter specifies the number of
+surfaces to use.  Valid values are 6 and 7.
+Default: XvMC is disabled.
+
+.PP
+The following driver
+.B Options
+are supported for the 830M and later chipsets:
+.TP
+.BI "Option \*qVideoKey\*q \*q" integer \*q
+This is the same as the
+.B \*qColorKey\*q
+option described above.  It is provided for compatibility with most
+other drivers.
+.TP
+.BI "Option \*qXVideo\*q \*q" boolean \*q
+Disable or enable XVideo support.
+Default: XVideo is enabled for configurations where it is supported.
+.TP
+.BI "Option \*qRotate\*q \*q90\*q"
+Rotate the desktop 90 degrees counterclockwise. Other valid options are
+0, 90, 180 and 270 degrees. The RandR extension is used for rotation 
+functionality. So this option allows the Xserver to start with a rotated
+mode of operation.
+Default: 0 degrees.
+.TP
+.BI "Option \*qLinearAlloc\*q \*q" integer \*q
+Allows more memory for the offscreen allocator. This usually helps in
+situations where HDTV movies are required to play but not enough offscreen
+memory is usually available. Set this to 8160 for upto 1920x1080 HDTV support.
+Default 0KB (off).
+.TP
+.BI "Option \*qLegacy3D\*q \*q" boolean \*q
+Enable support for the legacy i915_dri.so 3D driver.
+This will, among other things, make the 2D driver tell libGL to
+load the 3D driver i915_dri.so instead of the newer i915tex_dri.so.
+This option is only used for chipsets in the range i830-i945. 
+Default for i830-i945 series: Enabled for i915 drm versions < 1.7.0. Otherwise
+disabled. 
+Default for i810: The option is not used.
+Default for i965: The option is always true.
+.TP
+.BI "Option \*qAperTexSize\*q \*q" integer \*q
+Give the size in kiB of the AGP aperture area that is reserved for the
+DRM memory manager present in i915 drm from version 1.7.0 and upwards,
+and that is used with the 3D driver in Mesa from version 6.5.2 and
+upwards. If the size is set too high to make room for pre-allocated
+VideoRam, the driver will try to reduce it automatically. If you use only
+older Mesa or DRM versions, you may set this value to zero, and
+atctivate the legacy texture pool (see 
+.B "Option \*qLegacy3D\*q"
+). If you run 3D programs with large texture memory requirements, you might
+gain some performance by increasing this value.
+Default: 32768.
+.TP
+.BI "Option \*qAccelMethod\*q \*q" string \*q
+Choose acceleration architecture, either "XAA" or "EXA".  XAA is the old
+(but stable) XFree86 based acceleration architecture.  EXA is a newer and
+simpler acceleration architecture designed to better accelerate the X Render
+extension.  Default: "XAA".
+
+.SH "SEE ALSO"
+__xservername__(__appmansuffix__), __xconfigfile__(__filemansuffix__), xorgconfig(__appmansuffix__), Xserver(__appmansuffix__), X(__miscmansuffix__)
+.SH AUTHORS
+Authors include: Keith Whitwell, and also Jonathan Bian, Matthew J Sottek,
+Jeff Hartmann, Mark Vojkovich, Alan Hourihane, H. J. Lu.  830M and 845G
+support reworked for XFree86 4.3 by David Dawes and Keith Whitwell.  852GM,
+855GM, and 865G support added by David Dawes and Keith Whitwell.  915G,
+915GM, 945G, 945GM, 965G, 965Q and 946GZ support added by Alan Hourihane and
+Keith Whitwell. Lid status support added by Alan Hourihane. Textured video
+support for 915G and later chips, RandR 1.2 and hardware modesetting added
+by Eric Anholt and Keith Packard. EXA and Render acceleration added by Wang
+Zhenyu. TV out support added by Zou Nan Hai and Keith Packard.