Reland "Remove legacy precision boundary"

This reverts commit dab15f7a02.

Reason for revert: the Android roll is broken by something else: b/76126268

Original change's description:
> Revert "Remove legacy precision boundary"
> 
> This reverts commit a2513c14c4.
> 
> Reason for revert: This is breaking the Android roll.
> 
> Original change's description:
> > Remove legacy precision boundary
> > 
> > Bug: skia:7731
> > Change-Id: I86a87b960541c2bc7b099ca9f609342cb0bbf563
> > Reviewed-on: https://skia-review.googlesource.com/115652
> > Reviewed-by: Cary Clark <caryclark@google.com>
> > Commit-Queue: Yuqian Li <liyuqian@google.com>
> 
> TBR=caryclark@google.com,fmalita@chromium.org,liyuqian@google.com,reed@google.com
> 
> Change-Id: I45b14f5a84e97cc1022b99c414f90126d368f598
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: skia:7731
> Reviewed-on: https://skia-review.googlesource.com/115840
> Reviewed-by: Derek Sollenberger <djsollen@google.com>
> Commit-Queue: Derek Sollenberger <djsollen@google.com>

TBR=djsollen@google.com,caryclark@google.com,fmalita@chromium.org,liyuqian@google.com,reed@google.com

Change-Id: I5d957cb7be9cc578672079e98ab5e131ad249f70
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:7731
Reviewed-on: https://skia-review.googlesource.com/115940
Reviewed-by: Yuqian Li <liyuqian@google.com>
Commit-Queue: Yuqian Li <liyuqian@google.com>
This commit is contained in:
Yuqian Li 2018-03-22 16:07:56 +00:00 committed by Skia Commit-Bot
parent 5fba7ad39a
commit 817e999f4c

View File

@ -107,13 +107,8 @@ private:
class SkCoverageDeltaMask {
public:
#ifdef SK_SUPPORT_LEGACY_PRECISION_BOUNDARY
// 1 for precision error, 1 for boundary delta (e.g., -SK_Fixed1 at fBounds.fRight + 1)
static constexpr int PADDING = 2;
#else
// 3 for precision error, 1 for boundary delta (e.g., -SK_Fixed1 at fBounds.fRight + 1)
static constexpr int PADDING = 4;
#endif
static constexpr int SIMD_WIDTH = 8;
static constexpr int SUITABLE_WIDTH = 32;