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SSE4.1 versions of BGRA to RGB/BGR color-space conversions

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Change-Id: Iacafd2f6402080b02fcbf75831e69c488f447454
This commit is contained in:
Ilya Kurdyukov 2021-02-17 22:22:09 +07:00 committed by Skal
parent a09a647241
commit a885339448
1 changed files with 64 additions and 0 deletions
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64
src/dsp/lossless_sse41.c
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@ -53,6 +53,68 @@ static void TransformColorInverse_SSE41(const VP8LMultipliers* const m,
}
}
//------------------------------------------------------------------------------
#define ARGB_TO_RGB_SSE41 do { \
while (num_pixels >= 16) { \
const __m128i in0 = _mm_loadu_si128(in + 0); \
const __m128i in1 = _mm_loadu_si128(in + 1); \
const __m128i in2 = _mm_loadu_si128(in + 2); \
const __m128i in3 = _mm_loadu_si128(in + 3); \
const __m128i a0 = _mm_shuffle_epi8(in0, perm0); \
const __m128i a1 = _mm_shuffle_epi8(in1, perm1); \
const __m128i a2 = _mm_shuffle_epi8(in2, perm2); \
const __m128i a3 = _mm_shuffle_epi8(in3, perm3); \
const __m128i b0 = _mm_blend_epi16(a0, a1, 0xc0); \
const __m128i b1 = _mm_blend_epi16(a1, a2, 0xf0); \
const __m128i b2 = _mm_blend_epi16(a2, a3, 0xfc); \
_mm_storeu_si128(out + 0, b0); \
_mm_storeu_si128(out + 1, b1); \
_mm_storeu_si128(out + 2, b2); \
in += 4; \
out += 3; \
num_pixels -= 16; \
} \
} while (0)
static void ConvertBGRAToRGB_SSE41(const uint32_t* src, int num_pixels,
uint8_t* dst) {
const __m128i* in = (const __m128i*)src;
__m128i* out = (__m128i*)dst;
const __m128i perm0 = _mm_setr_epi8(2, 1, 0, 6, 5, 4, 10, 9,
8, 14, 13, 12, -1, -1, -1, -1);
const __m128i perm1 = _mm_shuffle_epi32(perm0, 0x39);
const __m128i perm2 = _mm_shuffle_epi32(perm0, 0x4e);
const __m128i perm3 = _mm_shuffle_epi32(perm0, 0x93);
ARGB_TO_RGB_SSE41;
// left-overs
if (num_pixels > 0) {
VP8LConvertBGRAToRGB_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
}
}
static void ConvertBGRAToBGR_SSE41(const uint32_t* src,
int num_pixels, uint8_t* dst) {
const __m128i* in = (const __m128i*)src;
__m128i* out = (__m128i*)dst;
const __m128i perm0 = _mm_setr_epi8(0, 1, 2, 4, 5, 6, 8, 9, 10,
12, 13, 14, -1, -1, -1, -1);
const __m128i perm1 = _mm_shuffle_epi32(perm0, 0x39);
const __m128i perm2 = _mm_shuffle_epi32(perm0, 0x4e);
const __m128i perm3 = _mm_shuffle_epi32(perm0, 0x93);
ARGB_TO_RGB_SSE41;
// left-overs
if (num_pixels > 0) {
VP8LConvertBGRAToBGR_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
}
}
#undef ARGB_TO_RGB_SSE41
//------------------------------------------------------------------------------
// Entry point
@ -60,6 +122,8 @@ extern void VP8LDspInitSSE41(void);
WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInitSSE41(void) {
VP8LTransformColorInverse = TransformColorInverse_SSE41;
VP8LConvertBGRAToRGB = ConvertBGRAToRGB_SSE41;
VP8LConvertBGRAToBGR = ConvertBGRAToBGR_SSE41;
}
#else // !WEBP_USE_SSE41