On 05/18/11 04:22, shen yue wrote:
> hi all:
> i have been reading directfb source code for a while, and still have
> problems on understanding the genefx part. here is my question:
> according to the comments , the author is trying to emulate a gpu,
> but i have no knowledge on that, can someone give me some hint on how genefx
> works
> or some infor-source on how gpu works?
> i examined the _GenefxState struct , and knowing Aop and Bop are
> some kind of operands , could someone expain the exact meaning of these
> operands,
> are they like registors in a cpu? ( i know something about the cpu )? what
> about the GenefxAccumulator?
>
>
> thanks in advance i just want to know the details, thanks for your time,
Did you find the following diagram?
http://git.directfb.org/?p=core/DirectFB.git;a=blob;f=docs/GeneFX.pdf;h=6d16812a71fd0a40e0de1e62745029ce7ee0802b;hb=HEAD
It is not quite self explaining, but might help you in company with the source
code study!
--
Best regards,
Denis Oliver Kropp
.------------------------------------------.
| DirectFB - Hardware accelerated graphics |
| http://www.directfb.org/ |
"------------------------------------------"
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