diff options
Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/SkMipMap.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/core/SkMipMap.cpp b/src/core/SkMipMap.cpp index 7266dc6b21..1f69c2411b 100644 --- a/src/core/SkMipMap.cpp +++ b/src/core/SkMipMap.cpp @@ -326,8 +326,16 @@ bool SkMipMap::extractLevel(const SkSize& scaleSize, Level* levelPtr) const { } SkASSERT(scaleSize.width() >= 0 && scaleSize.height() >= 0); + +#ifndef SK_SUPPORT_LEGACY_ANISOTROPIC_MIPMAP_SCALE // Use the smallest scale to match the GPU impl. const SkScalar scale = SkTMin(scaleSize.width(), scaleSize.height()); +#else + // Ideally we'd pick the smaller scale, to match Ganesh. But ignoring one of the + // scales can produce some atrocious results, so for now we use the geometric mean. + // (https://bugs.chromium.org/p/skia/issues/detail?id=4863) + const SkScalar scale = SkScalarSqrt(scaleSize.width() * scaleSize.height()); +#endif if (scale >= SK_Scalar1 || scale <= 0 || !SkScalarIsFinite(scale)) { return false; |