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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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40
src/dsp/lossless_enc_sse2.c
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@ -37,7 +37,9 @@ static void SubtractGreenFromBlueAndRed(uint32_t* argb_data, int num_pixels) {
_mm_storeu_si128((__m128i*)&argb_data[i], out);
}
// fallthrough and finish off with plain-C
VP8LSubtractGreenFromBlueAndRed_C(argb_data + i, num_pixels - i);
if (i != num_pixels) {
VP8LSubtractGreenFromBlueAndRed_C(argb_data + i, num_pixels - i);
}
}
//------------------------------------------------------------------------------
@ -71,7 +73,9 @@ static void TransformColor(const VP8LMultipliers* const m,
_mm_storeu_si128((__m128i*)&argb_data[i], out);
}
// fallthrough and finish off with plain-C
VP8LTransformColor_C(m, argb_data + i, num_pixels - i);
if (i != num_pixels) {
VP8LTransformColor_C(m, argb_data + i, num_pixels - i);
}
}
//------------------------------------------------------------------------------
@ -477,7 +481,9 @@ static void PredictorSub0_SSE2(const uint32_t* in, const uint32_t* upper,
const __m128i res = _mm_sub_epi8(src, black);
_mm_storeu_si128((__m128i*)&out[i], res);
}
VP8LPredictorsSub_C[0](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsSub_C[0](in + i, upper + i, num_pixels - i, out + i);
}
}
#define GENERATE_PREDICTOR_1(X, IN) \
@ -490,7 +496,9 @@ static void PredictorSub##X##_SSE2(const uint32_t* in, const uint32_t* upper, \
const __m128i res = _mm_sub_epi8(src, pred); \
_mm_storeu_si128((__m128i*)&out[i], res); \
} \
VP8LPredictorsSub_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
if (i != num_pixels) { \
VP8LPredictorsSub_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
} \
}
GENERATE_PREDICTOR_1(1, in[i - 1]) // Predictor1: L
@ -514,7 +522,9 @@ static void PredictorSub5_SSE2(const uint32_t* in, const uint32_t* upper,
res = _mm_sub_epi8(src, pred);
_mm_storeu_si128((__m128i*)&out[i], res);
}
VP8LPredictorsSub_C[5](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsSub_C[5](in + i, upper + i, num_pixels - i, out + i);
}
}
#define GENERATE_PREDICTOR_2(X, A, B) \
@ -530,7 +540,9 @@ static void PredictorSub##X##_SSE2(const uint32_t* in, const uint32_t* upper, \
res = _mm_sub_epi8(src, pred); \
_mm_storeu_si128((__m128i*)&out[i], res); \
} \
VP8LPredictorsSub_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
if (i != num_pixels) { \
VP8LPredictorsSub_C[(X)](in + i, upper + i, num_pixels - i, out + i); \
} \
}
GENERATE_PREDICTOR_2(6, in[i - 1], upper[i - 1]) // Predictor6: avg(L, TL)
@ -556,7 +568,9 @@ static void PredictorSub10_SSE2(const uint32_t* in, const uint32_t* upper,
res = _mm_sub_epi8(src, avg);
_mm_storeu_si128((__m128i*)&out[i], res);
}
VP8LPredictorsSub_C[10](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsSub_C[10](in + i, upper + i, num_pixels - i, out + i);
}
}
// Predictor11: select.
@ -593,7 +607,9 @@ static void PredictorSub11_SSE2(const uint32_t* in, const uint32_t* upper,
_mm_storeu_si128((__m128i*)&out[i], res);
}
}
VP8LPredictorsSub_C[11](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsSub_C[11](in + i, upper + i, num_pixels - i, out + i);
}
}
// Predictor12: ClampedSubSubtractFull.
@ -620,7 +636,9 @@ static void PredictorSub12_SSE2(const uint32_t* in, const uint32_t* upper,
const __m128i res = _mm_sub_epi8(src, pred);
_mm_storeu_si128((__m128i*)&out[i], res);
}
VP8LPredictorsSub_C[12](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsSub_C[12](in + i, upper + i, num_pixels - i, out + i);
}
}
// Predictors13: ClampedAddSubtractHalf
@ -648,7 +666,9 @@ static void PredictorSub13_SSE2(const uint32_t* in, const uint32_t* upper,
const __m128i res = _mm_sub_epi8(src, pred);
_mm_storel_epi64((__m128i*)&out[i], res);
}
VP8LPredictorsSub_C[13](in + i, upper + i, num_pixels - i, out + i);
if (i != num_pixels) {
VP8LPredictorsSub_C[13](in + i, upper + i, num_pixels - i, out + i);
}
}
//------------------------------------------------------------------------------