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Add AArch64 Neon implementation of Intra16Preds

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Add a Neon implementation of Intra16Preds for use on 64-bit Arm
platforms. (This implementation cannot be used on 32-bit Arm
platforms as it makes use of a number of AArch64-only Neon
instructions.)

Change-Id: I24c67cd54b66307e3924fd332c2795fd7422f082
This commit is contained in:
Istvan Stefan
2024-07-05 09:46:30 +01:00
committed by Jonathan Wright
parent baa93808d9
commit 3bfb05e38c
2 changed files with 153 additions and 2 deletions
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4
src/dsp/enc.c
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@ -332,6 +332,7 @@ static void IntraChromaPreds_C(uint8_t* dst, const uint8_t* left,
//------------------------------------------------------------------------------
// luma 16x16 prediction (paragraph 12.3)
#if !WEBP_NEON_OMIT_C_CODE || !WEBP_AARCH64
static void Intra16Preds_C(uint8_t* dst,
const uint8_t* left, const uint8_t* top) {
DCMode(I16DC16 + dst, left, top, 16, 16, 5);
@ -339,6 +340,7 @@ static void Intra16Preds_C(uint8_t* dst,
HorizontalPred(I16HE16 + dst, left, 16);
TrueMotion(I16TM16 + dst, left, top, 16);
}
#endif // !WEBP_NEON_OMIT_C_CODE || !WEBP_AARCH64
//------------------------------------------------------------------------------
// luma 4x4 prediction
@ -768,10 +770,10 @@ WEBP_DSP_INIT_FUNC(VP8EncDspInit) {
#if !WEBP_NEON_OMIT_C_CODE || !WEBP_AARCH64
VP8EncPredLuma4 = Intra4Preds_C;
VP8EncPredLuma16 = Intra16Preds_C;
#endif
VP8FTransform2 = FTransform2_C;
VP8EncPredLuma16 = Intra16Preds_C;
VP8EncPredChroma8 = IntraChromaPreds_C;
VP8Mean16x4 = Mean16x4_C;
VP8EncQuantizeBlockWHT = QuantizeBlock_C;