---
name: "tdfx"
section: "4"
platform: "linux"
package: "xserver-xorg-video-tdfx"
version: "1:1.5.0-6"
release: "Debian 13 (Trixie)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/tdfx"
---

# tdfx(4)

3Dfx video driver

## NAME

tdfx - 3Dfx video driver

## SYNOPSIS

```
Section "Device"
  Identifier "devname"
  Driver "tdfx"
  ...
EndSection
```

## DESCRIPTION

**tdfx** is an Xorg driver for 3Dfx video cards.

## SUPPORTED HARDWARE

The **tdfx** driver supports Voodoo Banshee, Voodoo3, Voodoo4 and Voodoo5 cards.

## CONFIGURATION DETAILS

Please refer to [xorg.conf(5)](/xorg.conf/5.md) for general configuration details.  This section only covers configuration details specific to this driver.

The following driver **Options** are supported:

- **Option "NoAccel" "***boolean***"**

  Disable or enable acceleration.  Default: acceleration is enabled.

- **Option "SWCursor" "***boolean***"**

  Disable or enable software cursor.  Default: software cursor is disable and a hardware cursor is used for configurations where the hardware cursor is available.

- **Option "DRI" "***boolean***"**

  Disable or enable DRI support. By default, DRI is on.

- **Option "TexturedVideo" "***boolean***"**

  This has XvImage support use the texture engine rather than the video overlay.

- **Option "VideoKey" "***integer***"**

  This sets the default pixel value for the YUV video overlay key. Default: undefined.

- **Option "UsePIO" "***boolean***"**

  Force the use of Programmed IO instead of Memory Mapped IO. Default: off.

The following additional **Options** are supported:

- **Option "ShowCache" "***boolean***"**

  Enable or disable viewing offscreen cache memory.  A development debug option. Default: off.

## FILES

tdfx\_drv.o

## SEE ALSO

[Xorg(1)](/Xorg/1.md), [xorg.conf(5)](/xorg.conf/5.md), [Xserver(1)](/Xserver/1.md), [X(7)](/X/7.md)

## AUTHORS

Authors include: ...