diff options
| -rw-r--r-- | include/gpu/GrTypes.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/gpu/GrTypes.h b/include/gpu/GrTypes.h index ccc04bce8a..0ef964dcc4 100644 --- a/include/gpu/GrTypes.h +++ b/include/gpu/GrTypes.h @@ -228,7 +228,7 @@ static const int kPublicGrBlendCoeffCount = kLastPublicGrBlendCoeff + 1; */ enum GrMaskFormat { kA8_GrMaskFormat, //!< 1-byte per pixel - kA565_GrMaskFormat, //!< 2-bytes per pixel + kA565_GrMaskFormat, //!< 2-bytes per pixel, RGB represent 3-channel LCD coverage kARGB_GrMaskFormat, //!< 4-bytes per pixel, color format kLast_GrMaskFormat = kARGB_GrMaskFormat @@ -239,12 +239,15 @@ static const int kMaskFormatCount = kLast_GrMaskFormat + 1; * Return the number of bytes-per-pixel for the specified mask format. */ static inline int GrMaskFormatBytesPerPixel(GrMaskFormat format) { - SkASSERT((unsigned)format <= 3); + SkASSERT((unsigned)format < kMaskFormatCount); // kA8 (0) -> 1 // kA565 (1) -> 2 - // kARGB (3) -> 4 + // kARGB (2) -> 4 static const int sBytesPerPixel[] = { 1, 2, 4 }; SK_COMPILE_ASSERT(SK_ARRAY_COUNT(sBytesPerPixel) == kMaskFormatCount, array_size_mismatch); + SK_COMPILE_ASSERT(kA8_GrMaskFormat == 0, enum_order_dependency); + SK_COMPILE_ASSERT(kA565_GrMaskFormat == 1, enum_order_dependency); + SK_COMPILE_ASSERT(kARGB_GrMaskFormat == 2, enum_order_dependency); return sBytesPerPixel[(int) format]; } |