[PATCH] dix/dispatch: DoGetImage: Use a single buffer

[Keith Packard]

Aaron Plattner <aplattner at nvidia.com> writes:

> Can't the max image size be multiple gigabytes?  That seems a little 
> large to describe as "close" to running out of heap space.

The problem is that we're going to buffer that in memory anyway, down in
the OS layer. The only alternative is to block down there waiting for
the client to drain the image data.

So, the chunking in DIX is not helping reduce memory usage, it's just
making the OS layer shuffle data around a lot.

-- 
keith.packard at intel.com
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