xf86-video-s3c64xx
The Samsung s3c64xx SoC family (most notably the s3c6410 used in the SmartQ Mobile Internet Devices) have very capable 2D graphics and video acceleration “on-chip”. more…
The Samsung s3c64xx SoC family (most notably the s3c6410 used in the SmartQ Mobile Internet Devices) have very capable 2D graphics and video acceleration “on-chip”. more…
The driver available from the vendor is based the generic unaccelerated dumb frame buffer Xwindow video driver.
Coupled with the mer-smartq-kernel, this XWindow video driver provides hardware acceleration for Xvideo extensions (color space mapping, video frame DMA, etc.).
It also provides XAA hardware blit, fill, and color expansion. Most graphics operations run 20% to 500% faster using the 2D graphics accelerator on the SoC.
In addition this driver provides a 28bit alpha-blended hardware cursor. This means that the cursor is overlayed using the display controller’s overlay planes/chroma-key/alpha blending hardware rather than the Xwindow sprite emulation.
A work-in-progress is the crtc/output/modes support for the lcd and hdmi outputs. This support will enable the XWindow Resize and Rotate capability.
CREDITS:
The most excellent XAA base code was done by
Matan Ziv-Av <matan at svgalib dot org>
The original XVideo code was done by
Jetta Tang <jetta.tang at hhcn dot com>
The g2d and pp drivers upon which this code is based were provided by
Samsung Semiconductor. Thanks.
Code cleaning, HW cursor support, XAA fixes, and crtc/output support by <dave at chronolytics dot com>
Time and Materials and Hosting
Chronolytics Inc. Real-Time Embedded Software http://chronolytics.com
That’s all folks…
smartQ accelerated X video driver
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Sunday September 19 2010
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