diff options
Diffstat (limited to 'src/opts/SkColor_opts_neon.h')
| -rw-r--r-- | src/opts/SkColor_opts_neon.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/opts/SkColor_opts_neon.h b/src/opts/SkColor_opts_neon.h index 7e3057d14c..cd9e8133e2 100644 --- a/src/opts/SkColor_opts_neon.h +++ b/src/opts/SkColor_opts_neon.h @@ -3,9 +3,30 @@ #include "SkTypes.h" +#include <arm_neon.h> + #define NEON_A (SK_A32_SHIFT / 8) #define NEON_R (SK_R32_SHIFT / 8) #define NEON_G (SK_G32_SHIFT / 8) #define NEON_B (SK_B32_SHIFT / 8) +static inline uint16x8_t SkAlpha255To256_neon8(uint8x8_t alpha) { + return vaddw_u8(vdupq_n_u16(1), alpha); +} + +static inline uint8x8_t SkAlphaMul_neon8(uint8x8_t color, uint16x8_t scale) { + return vshrn_n_u16(vmovl_u8(color) * scale, 8); +} + +static inline uint8x8x4_t SkAlphaMulQ_neon8(uint8x8x4_t color, uint16x8_t scale) { + uint8x8x4_t ret; + + ret.val[NEON_A] = SkAlphaMul_neon8(color.val[NEON_A], scale); + ret.val[NEON_R] = SkAlphaMul_neon8(color.val[NEON_R], scale); + ret.val[NEON_G] = SkAlphaMul_neon8(color.val[NEON_G], scale); + ret.val[NEON_B] = SkAlphaMul_neon8(color.val[NEON_B], scale); + + return ret; +} + #endif /* #ifndef SkColor_opts_neon_DEFINED */ |