[Bug 27139] html5 ogg video playback in firefox unusable

Pauli Nieminen suokkos at gmail.com
Thu Mar 18 03:01:11 PDT 2010


> --- Comment #7 from Siarhei Siamashka <siarhei.siamashka at gmail.com>  2010-03-18 01:46:11 PST ---
> (In reply to comment #3)
>> THe problem is the same on r300 btw, and with pixman-0.17.12.
>
> At least 'fetch_pixel_x8r8g8b8' should not be used by pixman-0.17.12, otherwise
> it is missing some optimized software scaling path there too.
>
> Versions 0.17.x of pixman should have some optimizations for scaling with both
> bilinear (maybe it gets just 3x faster, so in practice it may be still too
> slow) and nearest (this should have a really huge boost) filters. The they
> *should* be better than 0.16.x for scaling performance.
>
>

I don't think that scaling should be that slow with CPU. It looks so
slow that I suspect that pixman is accessing VRAM directly.


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