diff options
| -rw-r--r-- | src/core/SkMaskFilter.cpp | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/src/core/SkMaskFilter.cpp b/src/core/SkMaskFilter.cpp index 382e24e9ed..56a1704737 100644 --- a/src/core/SkMaskFilter.cpp +++ b/src/core/SkMaskFilter.cpp @@ -164,15 +164,30 @@ static void draw_nine_clipped(const SkMask& mask, const SkIRect& outerR, blitter->blitAntiH(r.left(), outerR.bottom() - y - 1, alpha, runs); } } +#ifdef SK_SUPPORT_BLITV_FOR_BLUR_NINE + const bool useBlitV = true; +#else + const bool useBlitV = false; +#endif // left r.set(outerR.left(), innerR.top(), innerR.left(), innerR.bottom()); if (r.intersect(clipR)) { int startX = r.left() - outerR.left(); int stopX = startX + r.width(); int height = r.height(); - for (int x = startX; x < stopX; ++x) { - blitter->blitV(outerR.left() + x, r.top(), height, - *mask.getAddr8(mask.fBounds.left() + x, mask.fBounds.top() + cy)); + if (useBlitV) { + for (int x = startX; x < stopX; ++x) { + blitter->blitV(outerR.left() + x, r.top(), height, + *mask.getAddr8(mask.fBounds.left() + x, mask.fBounds.top() + cy)); + } + } else { + SkMask m; + m.fImage = mask.getAddr8(mask.fBounds.left() + r.left() - outerR.left(), + mask.fBounds.top() + cy); + m.fBounds = r; + m.fRowBytes = 0; // so we repeat the scanline for our height + m.fFormat = SkMask::kA8_Format; + blitter->blitMask(m, r); } } // right @@ -181,9 +196,19 @@ static void draw_nine_clipped(const SkMask& mask, const SkIRect& outerR, int startX = outerR.right() - r.right(); int stopX = startX + r.width(); int height = r.height(); - for (int x = startX; x < stopX; ++x) { - blitter->blitV(outerR.right() - x - 1, r.top(), height, - *mask.getAddr8(mask.fBounds.right() - x - 1, mask.fBounds.top() + cy)); + if (useBlitV) { + for (int x = startX; x < stopX; ++x) { + blitter->blitV(outerR.right() - x - 1, r.top(), height, + *mask.getAddr8(mask.fBounds.right() - x - 1, mask.fBounds.top() + cy)); + } + } else { + SkMask m; + m.fImage = mask.getAddr8(mask.fBounds.right() - outerR.right() + r.left(), + mask.fBounds.top() + cy); + m.fBounds = r; + m.fRowBytes = 0; // so we repeat the scanline for our height + m.fFormat = SkMask::kA8_Format; + blitter->blitMask(m, r); } } } |