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Merge "VP8LDspInit: remove memcpy"

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pascal massimino 2015-02-09 23:48:44 -08:00 committed by Gerrit Code Review
commit c7233dfcdc
1 changed files with 16 additions and 9 deletions
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25
src/dsp/lossless.c
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@ -537,14 +537,6 @@ static uint32_t Predictor13(uint32_t left, const uint32_t* const top) {
return pred;
}
static const VP8LPredictorFunc kPredictorsC[16] = {
Predictor0, Predictor1, Predictor2, Predictor3,
Predictor4, Predictor5, Predictor6, Predictor7,
Predictor8, Predictor9, Predictor10, Predictor11,
Predictor12, Predictor13,
Predictor0, Predictor0 // <- padding security sentinels
};
//------------------------------------------------------------------------------
// Methods to calculate Entropy (Shannon).
@ -1771,7 +1763,22 @@ static volatile VP8CPUInfo lossless_last_cpuinfo_used =
WEBP_TSAN_IGNORE_FUNCTION void VP8LDspInit(void) {
if (lossless_last_cpuinfo_used == VP8GetCPUInfo) return;
memcpy(VP8LPredictors, kPredictorsC, sizeof(VP8LPredictors));
VP8LPredictors[0] = Predictor0;
VP8LPredictors[1] = Predictor1;
VP8LPredictors[2] = Predictor2;
VP8LPredictors[3] = Predictor3;
VP8LPredictors[4] = Predictor4;
VP8LPredictors[5] = Predictor5;
VP8LPredictors[6] = Predictor6;
VP8LPredictors[7] = Predictor7;
VP8LPredictors[8] = Predictor8;
VP8LPredictors[9] = Predictor9;
VP8LPredictors[10] = Predictor10;
VP8LPredictors[11] = Predictor11;
VP8LPredictors[12] = Predictor12;
VP8LPredictors[13] = Predictor13;
VP8LPredictors[14] = Predictor0; // <- padding security sentinels
VP8LPredictors[15] = Predictor0;
VP8LSubtractGreenFromBlueAndRed = VP8LSubtractGreenFromBlueAndRed_C;
VP8LAddGreenToBlueAndRed = VP8LAddGreenToBlueAndRed_C;