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Diffstat (limited to 'src/core/SkBitmapProcState_filter.h')
| -rw-r--r-- | src/core/SkBitmapProcState_filter.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/SkBitmapProcState_filter.h b/src/core/SkBitmapProcState_filter.h index 706ff7d25d..bb9625a4ca 100644 --- a/src/core/SkBitmapProcState_filter.h +++ b/src/core/SkBitmapProcState_filter.h @@ -19,6 +19,15 @@ #endif #include "SkColorPriv.h" +/* + Filter_32_opaque + + There is no hard-n-fast rule that the filtering must produce + exact results for the color components, but if the 4 incoming colors are + all opaque, then the output color must also be opaque. Subsequent parts of + the drawing pipeline may rely on this (e.g. which blitrow proc to use). + */ + #if defined(__ARM_HAVE_NEON) && !defined(SK_CPU_BENDIAN) static inline void Filter_32_opaque_neon(unsigned x, unsigned y, SkPMColor a00, SkPMColor a01, |