Messages in this thread | | | Date | Tue, 15 Mar 2005 14:03:50 -0500 | From | Jon Smirl <> | Subject | Re: [Linux-fbdev-devel] [announce 0/7] fbsplash - The Framebuffer Splash |
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On Tue, 15 Mar 2005 18:58:08 +0000 (GMT), James Simmons <jsimmons@www.infradead.org> wrote: > > > > Why do we need patches in the kernel. Just set you config to > > > CONFIG_DUMMY_CONSOLE, CONFIG_FB, CONFIG_INPUT and don't set fbcon or > > > vgacon. Then have a userspace app using /dev/fb and /dev/input create a > > > userland console. There is no need to do special hacks in the kernel. > > > > /dev/fb is not accelerated, if you want full acceleration use > > /dev/dri. Using /dev/dri you can write a fully composited console that > > displays dengavi in realtime. This is also a path to getting multiuser > > working without a lot of kernel patches. > > Not every device has a 3D core!!! DRM is not the answer for the entire graphics > world. Its only for 3D functionality. If you want eye candy without 3D on small > devices use fbdev.
DRM doesn't know a thing about 3D. All it does is DMA, memory management and queue things up for the GPU to work on. You don't even have to have a GPU processor you could use the CPU to execute the commands.
It's the code up in mesa that knows about 3D and builds the commands to be sent to DRM.
-- Jon Smirl jonsmirl@gmail.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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