diff options
Diffstat (limited to 'src/opts/SkColor_opts_SSE2.h')
| -rw-r--r-- | src/opts/SkColor_opts_SSE2.h | 131 |
1 files changed, 123 insertions, 8 deletions
diff --git a/src/opts/SkColor_opts_SSE2.h b/src/opts/SkColor_opts_SSE2.h index 13a5be5655..24ab6f73c8 100644 --- a/src/opts/SkColor_opts_SSE2.h +++ b/src/opts/SkColor_opts_SSE2.h @@ -10,7 +10,39 @@ #include <emmintrin.h> -static inline __m128i SkMul16ShiftRound_SSE(__m128i a, __m128i b, int shift) { +// See #define SkAlphaMulAlpha(a, b) SkMulDiv255Round(a, b) in SkXfermode.cpp. +static inline __m128i SkAlphaMulAlpha_SSE2(const __m128i& a, + const __m128i& b) { + __m128i prod = _mm_mullo_epi16(a, b); + prod = _mm_add_epi32(prod, _mm_set1_epi32(128)); + prod = _mm_add_epi32(prod, _mm_srli_epi32(prod, 8)); + prod = _mm_srli_epi32(prod, 8); + + return prod; +} + +static inline __m128i SkGetPackedA32_SSE2(const __m128i& src) { + __m128i a = _mm_slli_epi32(src, (24 - SK_A32_SHIFT)); + return _mm_srli_epi32(a, 24); +} + +static inline __m128i SkGetPackedR32_SSE2(const __m128i& src) { + __m128i r = _mm_slli_epi32(src, (24 - SK_R32_SHIFT)); + return _mm_srli_epi32(r, 24); +} + +static inline __m128i SkGetPackedG32_SSE2(const __m128i& src) { + __m128i g = _mm_slli_epi32(src, (24 - SK_G32_SHIFT)); + return _mm_srli_epi32(g, 24); +} + +static inline __m128i SkGetPackedB32_SSE2(const __m128i& src) { + __m128i b = _mm_slli_epi32(src, (24 - SK_B32_SHIFT)); + return _mm_srli_epi32(b, 24); +} + +static inline __m128i SkMul16ShiftRound_SSE2(const __m128i& a, + const __m128i& b, int shift) { __m128i prod = _mm_mullo_epi16(a, b); prod = _mm_add_epi16(prod, _mm_set1_epi16(1 << (shift - 1))); prod = _mm_add_epi16(prod, _mm_srli_epi16(prod, shift)); @@ -19,13 +51,96 @@ static inline __m128i SkMul16ShiftRound_SSE(__m128i a, __m128i b, int shift) { return prod; } -static inline __m128i SkPackRGB16_SSE(__m128i r, __m128i g, __m128i b) { - r = _mm_slli_epi16(r, SK_R16_SHIFT); - g = _mm_slli_epi16(g, SK_G16_SHIFT); - b = _mm_slli_epi16(b, SK_B16_SHIFT); +static inline __m128i SkPackRGB16_SSE2(const __m128i& r, + const __m128i& g, const __m128i& b) { + __m128i dr = _mm_slli_epi16(r, SK_R16_SHIFT); + __m128i dg = _mm_slli_epi16(g, SK_G16_SHIFT); + __m128i db = _mm_slli_epi16(b, SK_B16_SHIFT); + + __m128i c = _mm_or_si128(dr, dg); + return _mm_or_si128(c, db); +} + +static inline __m128i SkPackARGB32_SSE2(const __m128i& a, const __m128i& r, + const __m128i& g, const __m128i& b) { + __m128i da = _mm_slli_epi32(a, SK_A32_SHIFT); + __m128i dr = _mm_slli_epi32(r, SK_R32_SHIFT); + __m128i dg = _mm_slli_epi32(g, SK_G32_SHIFT); + __m128i db = _mm_slli_epi32(b, SK_B32_SHIFT); + + __m128i c = _mm_or_si128(da, dr); + c = _mm_or_si128(c, dg); + return _mm_or_si128(c, db); +} + +static inline __m128i SkPacked16ToR32_SSE2(const __m128i& src) { + __m128i r = _mm_srli_epi32(src, SK_R16_SHIFT); + r = _mm_and_si128(r, _mm_set1_epi32(SK_R16_MASK)); + r = _mm_or_si128(_mm_slli_epi32(r, (8 - SK_R16_BITS)), + _mm_srli_epi32(r, (2 * SK_R16_BITS - 8))); + + return r; +} + +static inline __m128i SkPacked16ToG32_SSE2(const __m128i& src) { + __m128i g = _mm_srli_epi32(src, SK_G16_SHIFT); + g = _mm_and_si128(g, _mm_set1_epi32(SK_G16_MASK)); + g = _mm_or_si128(_mm_slli_epi32(g, (8 - SK_G16_BITS)), + _mm_srli_epi32(g, (2 * SK_G16_BITS - 8))); + + return g; +} + +static inline __m128i SkPacked16ToB32_SSE2(const __m128i& src) { + __m128i b = _mm_srli_epi32(src, SK_B16_SHIFT); + b = _mm_and_si128(b, _mm_set1_epi32(SK_B16_MASK)); + b = _mm_or_si128(_mm_slli_epi32(b, (8 - SK_B16_BITS)), + _mm_srli_epi32(b, (2 * SK_B16_BITS - 8))); + + return b; +} + +static inline __m128i SkPixel16ToPixel32_SSE2(const __m128i& src) { + __m128i r = SkPacked16ToR32_SSE2(src); + __m128i g = SkPacked16ToG32_SSE2(src); + __m128i b = SkPacked16ToB32_SSE2(src); + + return SkPackARGB32_SSE2(_mm_set1_epi32(0xFF), r, g, b); +} + +static inline __m128i SkPixel32ToPixel16_ToU16_SSE2(const __m128i& src_pixel1, + const __m128i& src_pixel2) { + // Calculate result r. + __m128i r1 = _mm_srli_epi32(src_pixel1, + SK_R32_SHIFT + (8 - SK_R16_BITS)); + r1 = _mm_and_si128(r1, _mm_set1_epi32(SK_R16_MASK)); + __m128i r2 = _mm_srli_epi32(src_pixel2, + SK_R32_SHIFT + (8 - SK_R16_BITS)); + r2 = _mm_and_si128(r2, _mm_set1_epi32(SK_R16_MASK)); + __m128i r = _mm_packs_epi32(r1, r2); + + // Calculate result g. + __m128i g1 = _mm_srli_epi32(src_pixel1, + SK_G32_SHIFT + (8 - SK_G16_BITS)); + g1 = _mm_and_si128(g1, _mm_set1_epi32(SK_G16_MASK)); + __m128i g2 = _mm_srli_epi32(src_pixel2, + SK_G32_SHIFT + (8 - SK_G16_BITS)); + g2 = _mm_and_si128(g2, _mm_set1_epi32(SK_G16_MASK)); + __m128i g = _mm_packs_epi32(g1, g2); + + // Calculate result b. + __m128i b1 = _mm_srli_epi32(src_pixel1, + SK_B32_SHIFT + (8 - SK_B16_BITS)); + b1 = _mm_and_si128(b1, _mm_set1_epi32(SK_B16_MASK)); + __m128i b2 = _mm_srli_epi32(src_pixel2, + SK_B32_SHIFT + (8 - SK_B16_BITS)); + b2 = _mm_and_si128(b2, _mm_set1_epi32(SK_B16_MASK)); + __m128i b = _mm_packs_epi32(b1, b2); + + // Store 8 16-bit colors in dst. + __m128i d_pixel = SkPackRGB16_SSE2(r, g, b); - __m128i c = _mm_or_si128(r, g); - return _mm_or_si128(c, b); + return d_pixel; } -#endif//SkColor_opts_SSE2_DEFINED +#endif // SkColor_opts_SSE2_DEFINED |