* Plans for 2D acceleration
@ 2007-09-26 11:41 Jerald Fitzjerald
2007-09-26 11:45 ` Torgeir Veimo
0 siblings, 1 reply; 3+ messages in thread
From: Jerald Fitzjerald @ 2007-09-26 11:41 UTC (permalink / raw)
To: linux-fbdev-devel
Hi.
Are there any plans to expose simple 2D acceleration to userland?
I'm talking about the very basic operations:
- fill rectangle (graphics memset)
- blit (graphics memcpy)
and possibly
- copyarea (graphics memmove)
- waitretrace
Is there a reason we _don't_ want these exposed to userland or
just nobody has taken the time to do it?
Thanks,
jf
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* Re: Plans for 2D acceleration
2007-09-26 11:41 Plans for 2D acceleration Jerald Fitzjerald
@ 2007-09-26 11:45 ` Torgeir Veimo
2007-09-26 14:29 ` Jerald Fitzjerald
0 siblings, 1 reply; 3+ messages in thread
From: Torgeir Veimo @ 2007-09-26 11:45 UTC (permalink / raw)
To: linux-fbdev-devel
On Wed, 2007-09-26 at 04:41 -0700, Jerald Fitzjerald wrote:
>
>
> Are there any plans to expose simple 2D acceleration to userland?
> I'm talking about the very basic operations:
>
> - fill rectangle (graphics memset)
> - blit (graphics memcpy)
>
> and possibly
>
> - copyarea (graphics memmove)
> - waitretrace
>
> Is there a reason we _don't_ want these exposed to userland or
> just nobody has taken the time to do it?
You can do all of these using DirectFB. Is that not an option for you?
--
-Tor
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* Re: Plans for 2D acceleration
2007-09-26 11:45 ` Torgeir Veimo
@ 2007-09-26 14:29 ` Jerald Fitzjerald
0 siblings, 0 replies; 3+ messages in thread
From: Jerald Fitzjerald @ 2007-09-26 14:29 UTC (permalink / raw)
To: linux-fbdev-devel
Torgeir Veimo wrote:
>On Wed, 2007-09-26 at 04:41 -0700, Jerald Fitzjerald wrote:
>
>
>>Is there a reason we _don't_ want these exposed to userland or
>>just nobody has taken the time to do it?
>>
>>
>
>You can do all of these using DirectFB. Is that not an option for you?
>
>
>
Well, the code is already in the kernel for various cards as far as I
can tell.
It's just a matter of exposing the functionality through some ioctl.
Won't even DirectFB benefit from that? (not to mention it'll be able to use
the features without iopl)
jf
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