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add a VP8LColorCacheSet() method for color cache

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Change-Id: Iebdc0383474fc3b8fbb0d7da4a35a0a7061bb9b5
This commit is contained in:
Pascal Massimino 2015-07-02 14:56:37 +00:00 committed by James Zern
parent 17eb609916
commit 1ceecdc871
1 changed files with 8 additions and 2 deletions
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10
src/utils/color_cache.h
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@ -32,10 +32,16 @@ static const uint32_t kHashMul = 0x1e35a7bd;
static WEBP_INLINE uint32_t VP8LColorCacheLookup( static WEBP_INLINE uint32_t VP8LColorCacheLookup(
const VP8LColorCache* const cc, uint32_t key) { const VP8LColorCache* const cc, uint32_t key) {
assert(key <= (~0U >> cc->hash_shift_)); assert((key >> cc->hash_bits_) == 0u);
return cc->colors_[key]; return cc->colors_[key];
} }
static WEBP_INLINE void VP8LColorCacheSet(const VP8LColorCache* const cc,
uint32_t key, uint32_t argb) {
assert((key >> cc->hash_bits_) == 0u);
cc->colors_[key] = argb;
}
static WEBP_INLINE void VP8LColorCacheInsert(const VP8LColorCache* const cc, static WEBP_INLINE void VP8LColorCacheInsert(const VP8LColorCache* const cc,
uint32_t argb) { uint32_t argb) {
const uint32_t key = (kHashMul * argb) >> cc->hash_shift_; const uint32_t key = (kHashMul * argb) >> cc->hash_shift_;
@ -50,7 +56,7 @@ static WEBP_INLINE int VP8LColorCacheGetIndex(const VP8LColorCache* const cc,
static WEBP_INLINE int VP8LColorCacheContains(const VP8LColorCache* const cc, static WEBP_INLINE int VP8LColorCacheContains(const VP8LColorCache* const cc,
uint32_t argb) { uint32_t argb) {
const uint32_t key = (kHashMul * argb) >> cc->hash_shift_; const uint32_t key = (kHashMul * argb) >> cc->hash_shift_;
return cc->colors_[key] == argb; return (cc->colors_[key] == argb);
} }
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------