diff options
author | 2016-08-04 09:03:19 -0700 | |
---|---|---|
committer | 2016-08-04 09:03:20 -0700 | |
commit | 276d3286b32900d8b7e895c5224ceba1922d2391 (patch) | |
tree | ff4bdbe68e8d4106a9c9ba939d61ebd000ca6272 /tools/sk_tool_utils.cpp | |
parent | 15c42ca310e8b9785eab38b3dd36265948e85b0e (diff) |
Add new bench for occluded blurmaskfilter draws
w/ occluders
44/44 MB 6 497us 500us 500us 502us 0% .oOOooooOO gpu bluroccludedrrect
w/o occluders
41/41 MB 5 1.08ms 1.09ms 1.12ms 1.47ms 11% .........O gpu bluroccludedrrect
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2203153002
Review-Url: https://codereview.chromium.org/2203153002
Diffstat (limited to 'tools/sk_tool_utils.cpp')
-rw-r--r-- | tools/sk_tool_utils.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tools/sk_tool_utils.cpp b/tools/sk_tool_utils.cpp index 9f398e2fc0..38880f8204 100644 --- a/tools/sk_tool_utils.cpp +++ b/tools/sk_tool_utils.cpp @@ -463,4 +463,54 @@ SkBitmap slow_blur(const SkBitmap& src, float sigma) { return dst; } +// compute the intersection point between the diagonal and the ellipse in the +// lower right corner +static SkPoint intersection(SkScalar w, SkScalar h) { + SkASSERT(w > 0.0f || h > 0.0f); + + return SkPoint::Make(w / SK_ScalarSqrt2, h / SK_ScalarSqrt2); +} + +// Use the intersection of the corners' diagonals with their ellipses to shrink +// the bounding rect +SkRect compute_central_occluder(const SkRRect& rr) { + const SkRect r = rr.getBounds(); + + SkScalar newL = r.fLeft, newT = r.fTop, newR = r.fRight, newB = r.fBottom; + + SkVector radii = rr.radii(SkRRect::kUpperLeft_Corner); + if (!radii.isZero()) { + SkPoint p = intersection(radii.fX, radii.fY); + + newL = SkTMax(newL, r.fLeft + radii.fX - p.fX); + newT = SkTMax(newT, r.fTop + radii.fY - p.fY); + } + + radii = rr.radii(SkRRect::kUpperRight_Corner); + if (!radii.isZero()) { + SkPoint p = intersection(radii.fX, radii.fY); + + newR = SkTMin(newR, r.fRight + p.fX - radii.fX); + newT = SkTMax(newT, r.fTop + radii.fY - p.fY); + } + + radii = rr.radii(SkRRect::kLowerRight_Corner); + if (!radii.isZero()) { + SkPoint p = intersection(radii.fX, radii.fY); + + newR = SkTMin(newR, r.fRight + p.fX - radii.fX); + newB = SkTMin(newB, r.fBottom - radii.fY + p.fY); + } + + radii = rr.radii(SkRRect::kLowerLeft_Corner); + if (!radii.isZero()) { + SkPoint p = intersection(radii.fX, radii.fY); + + newL = SkTMax(newL, r.fLeft + radii.fX - p.fX); + newB = SkTMin(newB, r.fBottom - radii.fY + p.fY); + } + + return SkRect::MakeLTRB(newL, newT, newR, newB); +} + } // namespace sk_tool_utils |