diff options
Diffstat (limited to 'libs/hwui/pipeline/skia/LayerDrawable.cpp')
| -rw-r--r-- | libs/hwui/pipeline/skia/LayerDrawable.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libs/hwui/pipeline/skia/LayerDrawable.cpp b/libs/hwui/pipeline/skia/LayerDrawable.cpp index 96b17e1d7975..b0173846e582 100644 --- a/libs/hwui/pipeline/skia/LayerDrawable.cpp +++ b/libs/hwui/pipeline/skia/LayerDrawable.cpp @@ -33,6 +33,10 @@ void LayerDrawable::onDraw(SkCanvas* canvas) { } } +static inline SkScalar isIntegerAligned(SkScalar x) { + return fabsf(roundf(x) - x) <= NON_ZERO_EPSILON; +} + // Disable filtering when there is no scaling in screen coordinates and the corners have the same // fraction (for translate) or zero fraction (for any other rect-to-rect transform). static bool shouldFilterRect(const SkMatrix& matrix, const SkRect& srcRect, const SkRect& dstRect) { @@ -62,10 +66,10 @@ static bool shouldFilterRect(const SkMatrix& matrix, const SkRect& srcRect, cons if (requiresIntegerTranslate) { // Device rect and source rect should be integer aligned to ensure there's no difference // in how nearest-neighbor sampling is resolved. - return !(MathUtils::isZero(SkScalarFraction(srcRect.x())) && - MathUtils::isZero(SkScalarFraction(srcRect.y())) && - MathUtils::isZero(SkScalarFraction(dstDevRect.x())) && - MathUtils::isZero(SkScalarFraction(dstDevRect.y()))); + return !(isIntegerAligned(srcRect.x()) && + isIntegerAligned(srcRect.y()) && + isIntegerAligned(dstDevRect.x()) && + isIntegerAligned(dstDevRect.y())); } else { // As long as src and device rects are translated by the same fractional amount, // filtering won't be needed |