[Mesa-dev] [PATCH] intel: Don't spam "intelReadPixels: fallback to swrast" all the time.

[Eric Anholt]

Kenneth Graunke <kenneth at whitecape.org> writes:

> Unless the application is using PBOs, any call to glReadPixels will hit
> this message.  Hitting this does mean mapping the buffer and accessing
> it via the CPU, but that isn't necessarily the worst thing in the world.
>
> apitrace's image dumping code hits this path, causing it to spam
> hundreds of thousands of performance warnings via ARB_debug_output,
> which makes it difficult to see actual errors.

Maybe only do so when dumping out of the PBO path?  It seems like this
is something useful to know about in that case.
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