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Call the C function to finish off lossless SSE loops only when necessary.

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Change-Id: I4e221d80879dc9c90c24d69a40bc5811d73787ad
This commit is contained in:
Vincent Rabaud
2016-12-21 14:25:54 +01:00
parent 875fafc191
commit 1cb638010c
3 changed files with 75 additions and 25 deletions
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56
src/dsp/lossless_sse2.c
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@ -186,7 +186,9 @@ static void PredictorAdd0_SSE2(const uint32_t* in, const uint32_t* upper,
const __m128i res = _mm_add_epi8(src, black);
_mm_storeu_si128((__m128i*)&out[i], res);
}
VP8LPredictorsAdd_C[0](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsAdd_C[0](in + i, upper + i, num_pixels - i, out + i);
}
}
// Predictor1: left.
@ -210,7 +212,9 @@ static void PredictorAdd1_SSE2(const uint32_t* in, const uint32_t* upper,
// replicate prev output on the four lanes
prev = _mm_shuffle_epi32(res, (3 << 0) | (3 << 2) | (3 << 4) | (3 << 6));
}
VP8LPredictorsAdd_C[1](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsAdd_C[1](in + i, upper + i, num_pixels - i, out + i);
}
}
// Macro that adds 32-bit integers from IN using mod 256 arithmetic
@ -225,7 +229,9 @@ static void PredictorAdd##X##_SSE2(const uint32_t* in, const uint32_t* upper, \
const __m128i res = _mm_add_epi8(src, other); \
_mm_storeu_si128((__m128i*)&out[i], res); \
} \
VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
if (i != num_pixels) { \
VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
} \
}
// Predictor2: Top.
@ -255,7 +261,9 @@ static void PredictorAdd##X##_SSE2(const uint32_t* in, const uint32_t* upper, \
res = _mm_add_epi8(avg, src); \
_mm_storeu_si128((__m128i*)&out[i], res); \
} \
VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
if (i != num_pixels) { \
VP8LPredictorsAdd_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
} \
}
// Predictor8: average TL T.
GENERATE_PREDICTOR_2(8, upper[i - 1])
@ -287,7 +295,9 @@ static void PredictorAdd10_SSE2(const uint32_t* in, const uint32_t* upper,
src = _mm_srli_si128(src, 4);
}
}
VP8LPredictorsAdd_C[10](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsAdd_C[10](in + i, upper + i, num_pixels - i, out + i);
}
}
// Predictor11: select.
@ -331,7 +341,9 @@ static void PredictorAdd11_SSE2(const uint32_t* in, const uint32_t* upper,
pa = _mm_srli_si128(pa, 4);
}
}
VP8LPredictorsAdd_C[11](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsAdd_C[11](in + i, upper + i, num_pixels - i, out + i);
}
}
// Predictor12: ClampedAddSubtractFull.
@ -369,7 +381,9 @@ static void PredictorAdd12_SSE2(const uint32_t* in, const uint32_t* upper,
DO_PRED12(diff_hi, 0, 2);
DO_PRED12(diff_hi, 1, 3);
}
VP8LPredictorsAdd_C[12](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsAdd_C[12](in + i, upper + i, num_pixels - i, out + i);
}
}
#undef DO_PRED12
@ -392,7 +406,9 @@ static void AddGreenToBlueAndRed(const uint32_t* const src, int num_pixels,
_mm_storeu_si128((__m128i*)&dst[i], out);
}
// fallthrough and finish off with plain-C
VP8LAddGreenToBlueAndRed_C(src + i, num_pixels - i, dst + i);
if (i != num_pixels) {
VP8LAddGreenToBlueAndRed_C(src + i, num_pixels - i, dst + i);
}
}
//------------------------------------------------------------------------------
@ -430,7 +446,9 @@ static void TransformColorInverse(const VP8LMultipliers* const m,
_mm_storeu_si128((__m128i*)&dst[i], out);
}
// Fall-back to C-version for left-overs.
VP8LTransformColorInverse_C(m, src + i, num_pixels - i, dst + i);
if (i != num_pixels) {
VP8LTransformColorInverse_C(m, src + i, num_pixels - i, dst + i);
}
}
//------------------------------------------------------------------------------
@ -467,7 +485,9 @@ static void ConvertBGRAToRGB(const uint32_t* src, int num_pixels,
num_pixels -= 32;
}
// left-overs
VP8LConvertBGRAToRGB_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
if (num_pixels > 0) {
VP8LConvertBGRAToRGB_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
}
}
static void ConvertBGRAToRGBA(const uint32_t* src,
@ -494,7 +514,9 @@ static void ConvertBGRAToRGBA(const uint32_t* src,
num_pixels -= 8;
}
// left-overs
VP8LConvertBGRAToRGBA_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
if (num_pixels > 0) {
VP8LConvertBGRAToRGBA_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
}
}
static void ConvertBGRAToRGBA4444(const uint32_t* src,
@ -528,7 +550,9 @@ static void ConvertBGRAToRGBA4444(const uint32_t* src,
num_pixels -= 8;
}
// left-overs
VP8LConvertBGRAToRGBA4444_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
if (num_pixels > 0) {
VP8LConvertBGRAToRGBA4444_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
}
}
static void ConvertBGRAToRGB565(const uint32_t* src,
@ -567,7 +591,9 @@ static void ConvertBGRAToRGB565(const uint32_t* src,
num_pixels -= 8;
}
// left-overs
VP8LConvertBGRAToRGB565_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
if (num_pixels > 0) {
VP8LConvertBGRAToRGB565_C((const uint32_t*)in, num_pixels, (uint8_t*)out);
}
}
static void ConvertBGRAToBGR(const uint32_t* src,
@ -598,7 +624,9 @@ static void ConvertBGRAToBGR(const uint32_t* src,
num_pixels -= 8;
}
// left-overs
VP8LConvertBGRAToBGR_C((const uint32_t*)in, num_pixels, dst);
if (num_pixels > 0) {
VP8LConvertBGRAToBGR_C((const uint32_t*)in, num_pixels, dst);
}
}
//------------------------------------------------------------------------------