Revert "Revert "Improvements to GPU dither.""
This reverts commit 38fb308f3156aab1e42a61d77d08906a06263879.
Reason for revert: Reland with SkSL caps fix for vulkan
Original change's description:
> Revert "Improvements to GPU dither."
>
> This reverts commit 1806e33e6a09b1361de4925d32389a01e0e2c7e7.
>
> Reason for revert: <INSERT REASONING HERE>
>
> Original change's description:
> > Improvements to GPU dither.
> >
> > 1) Makes the range of the offset dependent on the config.
> >
> > 2) Uses an ordered dither on GPUs that support integers in shaders.
> >
> > 3) Enables dithering for all paints with dither flag when the color type of the dst is 4444
> >
> > 4) Dithers r,g,b and clamps to 0,a rather than dithering all four channels (same as CPU backend).
> >
> > Bug: skia:
> > Change-Id: Ie22c3adc38c6d1dbbcd97e4b7d16fc843e392c2e
> > Reviewed-on: https://skia-review.googlesource.com/23485
> > Commit-Queue: Brian Salomon <bsalomon@google.com>
> > Reviewed-by: Robert Phillips <robertphillips@google.com>
>
> TBR=bsalomon@google.com,robertphillips@google.com
>
> Change-Id: Ie82e88bd9032bf8eee745d32d9b57c335a8997c9
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: skia:
> Reviewed-on: https://skia-review.googlesource.com/24325
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>
TBR=bsalomon@google.com,robertphillips@google.com
Change-Id: Ic38ac276c8b88b8d993a29d1fcbfe37e84becd2a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/24282
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
5 files changed