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Split HistogramAdd to only have the high level logic in C.

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Change-Id: Ic9eaebf7128ca0215b49d2a13bde1f5b94a28061
This commit is contained in:
Vincent Rabaud
2018-10-17 16:55:30 +02:00
parent 632798ae6f
commit dea3e89983
4 changed files with 72 additions and 122 deletions
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57
src/dsp/lossless_enc.c
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@ -632,36 +632,34 @@ static double ExtraCostCombined_C(const uint32_t* X, const uint32_t* Y,
//------------------------------------------------------------------------------
static void HistogramAdd_C(const VP8LHistogram* const a,
const VP8LHistogram* const b,
VP8LHistogram* const out) {
static void AddVector_C(const uint32_t* a, const uint32_t* b, uint32_t* out,
int size) {
int i;
for (i = 0; i < size; ++i) out[i] = a[i] + b[i];
}
static void AddVectorEq_C(const uint32_t* a, uint32_t* out, int size) {
int i;
for (i = 0; i < size; ++i) out[i] += a[i];
}
void VP8LHistogramAdd(const VP8LHistogram* const a,
const VP8LHistogram* const b, VP8LHistogram* const out) {
const int literal_size = VP8LHistogramNumCodes(a->palette_code_bits_);
assert(a->palette_code_bits_ == b->palette_code_bits_);
if (b != out) {
for (i = 0; i < literal_size; ++i) {
out->literal_[i] = a->literal_[i] + b->literal_[i];
}
for (i = 0; i < NUM_DISTANCE_CODES; ++i) {
out->distance_[i] = a->distance_[i] + b->distance_[i];
}
for (i = 0; i < NUM_LITERAL_CODES; ++i) {
out->red_[i] = a->red_[i] + b->red_[i];
out->blue_[i] = a->blue_[i] + b->blue_[i];
out->alpha_[i] = a->alpha_[i] + b->alpha_[i];
}
VP8LAddVector(a->literal_, b->literal_, out->literal_, literal_size);
VP8LAddVector(a->distance_, b->distance_, out->distance_,
NUM_DISTANCE_CODES);
VP8LAddVector(a->red_, b->red_, out->red_, NUM_LITERAL_CODES);
VP8LAddVector(a->blue_, b->blue_, out->blue_, NUM_LITERAL_CODES);
VP8LAddVector(a->alpha_, b->alpha_, out->alpha_, NUM_LITERAL_CODES);
} else {
for (i = 0; i < literal_size; ++i) {
out->literal_[i] += a->literal_[i];
}
for (i = 0; i < NUM_DISTANCE_CODES; ++i) {
out->distance_[i] += a->distance_[i];
}
for (i = 0; i < NUM_LITERAL_CODES; ++i) {
out->red_[i] += a->red_[i];
out->blue_[i] += a->blue_[i];
out->alpha_[i] += a->alpha_[i];
}
VP8LAddVectorEq(a->literal_, out->literal_, literal_size);
VP8LAddVectorEq(a->distance_, out->distance_, NUM_DISTANCE_CODES);
VP8LAddVectorEq(a->red_, out->red_, NUM_LITERAL_CODES);
VP8LAddVectorEq(a->blue_, out->blue_, NUM_LITERAL_CODES);
VP8LAddVectorEq(a->alpha_, out->alpha_, NUM_LITERAL_CODES);
}
}
@ -848,7 +846,8 @@ VP8LCombinedShannonEntropyFunc VP8LCombinedShannonEntropy;
VP8LGetEntropyUnrefinedFunc VP8LGetEntropyUnrefined;
VP8LGetCombinedEntropyUnrefinedFunc VP8LGetCombinedEntropyUnrefined;
VP8LHistogramAddFunc VP8LHistogramAdd;
VP8LAddVectorFunc VP8LAddVector;
VP8LAddVectorEqFunc VP8LAddVectorEq;
VP8LVectorMismatchFunc VP8LVectorMismatch;
VP8LBundleColorMapFunc VP8LBundleColorMap;
@ -885,7 +884,8 @@ WEBP_DSP_INIT_FUNC(VP8LEncDspInit) {
VP8LGetEntropyUnrefined = GetEntropyUnrefined_C;
VP8LGetCombinedEntropyUnrefined = GetCombinedEntropyUnrefined_C;
VP8LHistogramAdd = HistogramAdd_C;
VP8LAddVector = AddVector_C;
VP8LAddVectorEq = AddVectorEq_C;
VP8LVectorMismatch = VectorMismatch_C;
VP8LBundleColorMap = VP8LBundleColorMap_C;
@ -971,7 +971,8 @@ WEBP_DSP_INIT_FUNC(VP8LEncDspInit) {
assert(VP8LCombinedShannonEntropy != NULL);
assert(VP8LGetEntropyUnrefined != NULL);
assert(VP8LGetCombinedEntropyUnrefined != NULL);
assert(VP8LHistogramAdd != NULL);
assert(VP8LAddVector != NULL);
assert(VP8LAddVectorEq != NULL);
assert(VP8LVectorMismatch != NULL);
assert(VP8LBundleColorMap != NULL);
assert(VP8LPredictorsSub[0] != NULL);