devg-ravin.so

Graphics driver for NEC Ravin chipsets

Syntax:

io-graphics -d ravin [option[,option...]]
            ... &

Runs on:

MIPSLE, PowerPC, x86

Options:

For the general io-graphics options that you can use with this driver, see io-graphics.

Options specific to this driver:

mode_opts=config-file
The full path to the configuration file for the driver. The sample file is /usr/photon/config/ravin.conf.

Description:

The devg-ravin.so driver provides accelerated 2D support for the NEC Ravin graphics chipset.

You can edit the configuration file to enable devg-ravin.so to run on your board. Follow the editing instructions in this file to specify the correct configuration for the required display mode. (For a more detailed explanation of the display settings, see the appropriate NEC documentation.)

If you use a configuration file for this driver, you must use the mode_opts option of io-graphics to specify its location. For example, mode_opts=/usr/photon/config/ravin.conf.

Supported chipsets

Acceleration features

Feature Provision
Solid fills Yes
Bresenham lines Yes
Pattern fills Yes
Polygons Yes
Onscreen blitting Yes
Offscreen blitting Yes
Chroma-keyed blitting Yes
Alpha blending Partial
Raster OPs Full
Bitmaps No

Video Overlay/Scaler support

Feature Provision
YUV formats Yes
RGB formats Yes
Up scaling Yes

Other features

Feature Provision
Hardware Cursor Yes
TV Out No
Video capture Yes
DPMS (power saving) Yes
Layers supported 6

Resolution and refresh support

Display size (pixels): Refresh rate(Hz): Color depth (bits per pixel):
640x480 60 8, 16
800x600 60 8, 16a

a  Requires a driver configuration file.


Note: You can use the configuration file to configure other resolutions and color depths.

Files:

This driver needs the following at run time:

libffb.so
Software rasterization library.

See also:

crttrap, devgt-iographics, io-graphics

/usr/photon/config/ravin.conf