In article ,
Gareth's Downstairs Computer  
wrote:
>In order to display graphics on the RPi, do they first have to
>be encoded into H264 or MPEG in order for the graphics chip
>to display them?

For static images, no - in that respect it's just a dumb framebuffer
like any other.

>Also, is there any info on how to use the graphics controller
>as a maths engine?

There is some documenation and some libraries - search your Pi for
e.g. hello_fft.c

Gordon

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