Re: [Dri-devel] mach64_blit

[Gareth H. <gar...@ac...>]

On Sat, Dec 22, 2001 at 06:45:54AM -0800, Peter Surda wrote:
> Hi!
> 
> I took a look at the source of mach64-0-0-2-branch, noticed mach64_blit
> is defined, but not implemented yet. Any hints on how it's
> progressing?
> 
> I also noticed that there is dma_dispatch_clear and dma_dispatch_swap
> implemented, so it seems DMA works to some extent. I also noticed they
> are done with outreg. From R128 I learned that it should be done with
> cce (both in dri and the xf86 driver), because outreg collides with
> dma. Any hints on this one?

The Rage Pro has no CCE (Concurrent Command Engine).  It was one of the
main features of the Rage 128.  The Radeon renamed this to the CP
(Command Processor).

> I'm writing this because I want to port the R128DMA (from XVideo).

You'll need to get plain old DMA working first.

-- Gareth