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SSE4.1 implementation of some lossless encoding functions

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New implementations: SubtractGreenFromBlueAndRed and TransformColor

around 1-2% faster lossless encoding.

Change-Id: I1668e36fdc316ba55b3b798b91b4a3e36ce62861
This commit is contained in:
Pascal Massimino
2015-06-23 08:46:57 +02:00
parent bfc300c7ff
commit f3d687e3fa
6 changed files with 96 additions and 0 deletions
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6
src/dsp/lossless_enc.c
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@ -1221,6 +1221,7 @@ VP8LCostCombinedCountFunc VP8LHuffmanCostCombinedCount;
VP8LHistogramAddFunc VP8LHistogramAdd;
extern void VP8LEncDspInitSSE2(void);
extern void VP8LEncDspInitSSE41(void);
extern void VP8LEncDspInitNEON(void);
extern void VP8LEncDspInitMIPS32(void);
extern void VP8LEncDspInitMIPSdspR2(void);
@ -1256,6 +1257,11 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInit(void) {
#if defined(WEBP_USE_SSE2)
if (VP8GetCPUInfo(kSSE2)) {
VP8LEncDspInitSSE2();
#if defined(WEBP_USE_SSE41)
if (VP8GetCPUInfo(kSSE4_1)) {
VP8LEncDspInitSSE41();
}
#endif
}
#endif
#if defined(WEBP_USE_NEON)