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| author |  Jim Van Verth <jvanverth@google.com> | 2017-07-06 16:36:55 -0400 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-07-06 21:24:17 +0000 |
| commit | 90e89b366a7dc90111c861ba76c492ce1743a0d1 (patch) | |
| tree | fe2c43e52dc3d811669b107f5124c39c4acb0e72 /src/gpu/effects/GrDistanceFieldGeoProc.h | |
| parent | 24a2ecfa256042efd57fd97b23dbce5a49b92a94 (diff) | |
Add proper aliased support for SDF text
Previously, when asked to render aliased text with distance fields,
we would get the aliased glyph from the cache and then try to
anti-alias the edge. This change instead grabs the anti-aliased glyph,
then deliberately aliases the edge.
Bug: chromium:707979
Change-Id: I05766af17d7ae58bca27aaffd9e08e5c586e789c
Reviewed-on: https://skia-review.googlesource.com/21728
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Diffstat (limited to 'src/gpu/effects/GrDistanceFieldGeoProc.h')
| -rw-r--r-- | src/gpu/effects/GrDistanceFieldGeoProc.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gpu/effects/GrDistanceFieldGeoProc.h b/src/gpu/effects/GrDistanceFieldGeoProc.h index 3f616e9480..344ac4a092 100644 --- a/src/gpu/effects/GrDistanceFieldGeoProc.h +++ b/src/gpu/effects/GrDistanceFieldGeoProc.h @@ -23,6 +23,7 @@ enum GrDistanceFieldEffectFlags { kBGR_DistanceFieldEffectFlag = 0x08, // lcd display has bgr order kPortrait_DistanceFieldEffectFlag = 0x10, // lcd display is in portrait mode (not used yet) kGammaCorrect_DistanceFieldEffectFlag = 0x20, // assume gamma-correct output (linear blending) + kAliased_DistanceFieldEffectFlag = 0x40, // monochrome output kInvalid_DistanceFieldEffectFlag = 0x80, // invalid state (for initialization) @@ -31,7 +32,8 @@ enum GrDistanceFieldEffectFlags { // The subset of the flags relevant to GrDistanceFieldA8TextGeoProc kNonLCD_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag | kScaleOnly_DistanceFieldEffectFlag | - kGammaCorrect_DistanceFieldEffectFlag, + kGammaCorrect_DistanceFieldEffectFlag | + kAliased_DistanceFieldEffectFlag, // The subset of the flags relevant to GrDistanceFieldLCDTextGeoProc kLCD_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag | kScaleOnly_DistanceFieldEffectFlag | |