[Mesa-dev] [PATCH] i965: implement blit path for PBO glDrawPixels

Alexander Monakov amonakov at gmail.com
Sun Nov 10 05:42:11 PST 2013

Ping.  A week ago a few people who looked at the older version of this
patch posted on IRC didn't point out obvious flaws.  Can this get a
review please?

On Mon, Nov 4, 2013 at 1:34 AM, Alexander Monakov <amonakov at gmail.com> wrote:
> Hello,
> This patch implements accelerated path for glDrawPixels from a PBO in
> i965. The code follows what intel_pixel_read, intel_pixel_copy,
> intel_pixel_bitmap and intel_tex_image are doing. Piglit quick.tests
> show no regressions. In my testing on IVB, performance improvement is
> huge (about 30x, didn't measure exactly) since generic path goes via
> _mesa_unpack_color_span_float, memcpy, extract_float_rgba.
> I don't have commit access so please commit the patch for me if approved.
> Thanks.

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