AuroraMiddleware/skia2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix SkBlendLCD16_SSE2 for non ARGB platforms.

Browse Source 
http://codereview.appspot.com/6356062/


git-svn-id: http://skia.googlecode.com/svn/trunk@4481 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bungeman@google.com 2012-07-09 17:44:57 +00:00
parent 142e1fe7cf
commit 8cd5ae79c6
1 changed files with 46 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
src/opts/SkBlitRow_opts_SSE2.cpp
View File

@ -513,20 +513,48 @@ void SkARGB32_A8_BlitMask_SSE2(void* device, size_t dstRB, const void* maskPtr,
} while (--height != 0);
}
// The following (left) shifts cause the top 5 bits of the mask components to
// line up with the corresponding components in an SkPMColor.
// Note that the mask's RGB16 order may differ from the SkPMColor order.
#define SK_R16x5_R32x5_SHIFT (SK_R32_SHIFT - SK_R16_SHIFT - SK_R16_BITS + 5)
#define SK_G16x5_G32x5_SHIFT (SK_G32_SHIFT - SK_G16_SHIFT - SK_G16_BITS + 5)
#define SK_B16x5_B32x5_SHIFT (SK_B32_SHIFT - SK_B16_SHIFT - SK_B16_BITS + 5)
#if SK_R16x5_R32x5_SHIFT == 0
#define SkPackedR16x5ToUnmaskedR32x5_SSE2(x) (x)
#elif SK_R16x5_R32x5_SHIFT > 0
#define SkPackedR16x5ToUnmaskedR32x5_SSE2(x) (_mm_slli_epi32(x, SK_R16x5_R32x5_SHIFT))
#else
#define SkPackedR16x5ToUnmaskedR32x5_SSE2(x) (_mm_srli_epi32(x, -SK_R16x5_R32x5_SHIFT))
#endif
#if SK_G16x5_G32x5_SHIFT == 0
#define SkPackedG16x5ToUnmaskedG32x5_SSE2(x) (x)
#elif SK_G16x5_G32x5_SHIFT > 0
#define SkPackedG16x5ToUnmaskedG32x5_SSE2(x) (_mm_slli_epi32(x, SK_G16x5_G32x5_SHIFT))
#else
#define SkPackedG16x5ToUnmaskedG32x5_SSE2(x) (_mm_srli_epi32(x, -SK_G16x5_G32x5_SHIFT))
#endif
#if SK_B16x5_B32x5_SHIFT == 0
#define SkPackedB16x5ToUnmaskedB32x5_SSE2(x) (x)
#elif SK_B16x5_B32x5_SHIFT > 0
#define SkPackedB16x5ToUnmaskedB32x5_SSE2(x) (_mm_slli_epi32(x, SK_B16x5_B32x5_SHIFT))
#else
#define SkPackedB16x5ToUnmaskedB32x5_SSE2(x) (_mm_srli_epi32(x, -SK_B16x5_B32x5_SHIFT))
#endif
static __m128i SkBlendLCD16_SSE2(__m128i &srci, __m128i &dst,
__m128i &mask, __m128i &scale) {
// Get the R,G,B of each 16bit mask pixel, we want all of them in 5 bits.
__m128i r = _mm_and_si128(_mm_slli_epi32(mask,
16-SK_R16_SHIFT-(SK_R16_BITS-5)),
_mm_set1_epi32(0x001F0000));
__m128i r = _mm_and_si128(SkPackedR16x5ToUnmaskedR32x5_SSE2(mask),
_mm_set1_epi32(0x1F << SK_R32_SHIFT));
__m128i g = _mm_and_si128(_mm_slli_epi32(mask,
8-SK_G16_SHIFT-(SK_G16_BITS-5)),
_mm_set1_epi32(0x00001F00));
__m128i b = _mm_and_si128(_mm_slli_epi32(mask,
SK_B16_BITS-5),
_mm_set1_epi32(0x0000001F));
__m128i g = _mm_and_si128(SkPackedG16x5ToUnmaskedG32x5_SSE2(mask),
_mm_set1_epi32(0x1F << SK_G32_SHIFT));
__m128i b = _mm_and_si128(SkPackedB16x5ToUnmaskedB32x5_SSE2(mask),
_mm_set1_epi32(0x1F << SK_B32_SHIFT));
// Pack the 4 16bit mask pixels into 4 32bit pixels, (p0, p1, p2, p3)
mask = _mm_or_si128(_mm_or_si128(r, g), b);
@ -564,20 +592,18 @@ static __m128i SkBlendLCD16_SSE2(__m128i &srci, __m128i &dst,
return _mm_packus_epi16(resultLo, resultHi);
}
static __m128i SkBlendLCD16Opaque_SSE2(__m128i &srci, __m128i &dst,
static __m128i SkBlendLCD16Opaque_SSE2(__m128i &srci, __m128i &dst,
__m128i &mask) {
// Get the R,G,B of each 16bit mask pixel, we want all of them in 5 bits.
__m128i r = _mm_and_si128(_mm_slli_epi32(mask,
16-SK_R16_SHIFT-(SK_R16_BITS-5)),
_mm_set1_epi32(0x001F0000));
__m128i r = _mm_and_si128(SkPackedR16x5ToUnmaskedR32x5_SSE2(mask),
_mm_set1_epi32(0x1F << SK_R32_SHIFT));
__m128i g = _mm_and_si128(_mm_slli_epi32(mask,
8-SK_G16_SHIFT-(SK_G16_BITS-5)),
_mm_set1_epi32(0x00001F00));
__m128i g = _mm_and_si128(SkPackedG16x5ToUnmaskedG32x5_SSE2(mask),
_mm_set1_epi32(0x1F << SK_G32_SHIFT));
__m128i b = _mm_and_si128(SkPackedB16x5ToUnmaskedB32x5_SSE2(mask),
_mm_set1_epi32(0x1F << SK_B32_SHIFT));
__m128i b = _mm_and_si128(_mm_slli_epi32(mask, SK_B16_BITS-5),
_mm_set1_epi32(0x0000001F));
// Pack the 4 16bit mask pixels into 4 32bit pixels, (p0, p1, p2, p3)
mask = _mm_or_si128(_mm_or_si128(r, g), b);