This is a reland of 6d0e566e94
On second thought, it's probably better to correct the
types of the swizzle functions to express their required alignment.
This is a more involved CL, but I think leaves things better off.
Original change's description:
> have SkConvertPixels use SkColorSpaceXformSteps
>
> This ought to allow the fast paths in more cases, e.g. memcpy() when
> both src and dst are the same format. Today if we tag a dst color space
> at all, we'll think we need to fall back to the general case pipeline.
>
> Some refactoring too, but no big functional change beyond using steps.
>
> Change-Id: I8fa01025229e3b9418e7f43241a2f03628a97288
> Reviewed-on: https://skia-review.googlesource.com/155640
> Reviewed-by: Brian Osman <brianosman@google.com>
> Commit-Queue: Mike Klein <mtklein@google.com>
Change-Id: Ia17d93acfe88a36c4c36d29e3a0b243f91178b61
Reviewed-on: https://skia-review.googlesource.com/156241
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
- Plant a flag to say "pretend all the inputs are RGBA".
This is how libpng thinks.
This is the opposite of what the implementation had been doing,
so I've rearranged everything to reflect the new orientation.
- Rewrite the names to be less mysterious looking. No more Xs.
- Make the src type uniformly const void*, to allow for 888 (RGB) srcs.
This should be performance and pixel neutral. (Please revert if it's not.)
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1626463002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
Review URL: https://codereview.chromium.org/1626463002
