50 static int DistanceToPlaneCode(int xsize, int dist) {  in DistanceToPlaneCode()  argument
51   const int yoffset = dist / xsize;  in DistanceToPlaneCode()
52   const int xoffset = dist - yoffset * xsize;  in DistanceToPlaneCode()
55   } else if (xoffset > xsize - 8 && yoffset < 7) {  in DistanceToPlaneCode()
56     return plane_to_code_lut[(yoffset + 1) * 16 + 8 + (xsize - xoffset)] + 1;  in DistanceToPlaneCode()
226 static void GetParamsForHashChainFindCopy(int quality, int xsize,  in GetParamsForHashChainFindCopy()  argument
233                             : (quality > 25) ? (xsize << 8)  in GetParamsForHashChainFindCopy()
234                             : (xsize << 4);  in GetParamsForHashChainFindCopy()
235   assert(xsize > 0);  in GetParamsForHashChainFindCopy()
254   const uint32_t xsize = (uint32_t)xsize_signed;  in HashChainFindCopy()  local
258   assert(xsize > 0);  in HashChainFindCopy()
288     if (distance < 9 * xsize) {  in HashChainFindCopy()
289       const uint32_t y = distance / xsize;  in HashChainFindCopy()
290       uint32_t x = distance % xsize;  in HashChainFindCopy()
291       if (x > (xsize >> 1)) {  in HashChainFindCopy()
292         x = xsize - x;  in HashChainFindCopy()
306       if ((best_distance == 1 || distance == xsize) &&  in HashChainFindCopy()
327 static int BackwardReferencesRle(int xsize, int ysize,  in BackwardReferencesRle()  argument
330   const int pix_count = xsize * ysize;  in BackwardReferencesRle()
349 static int BackwardReferencesHashChain(int xsize, int ysize,  in BackwardReferencesHashChain()  argument
358   const int pix_count = xsize * ysize;  in BackwardReferencesHashChain()
370   GetParamsForHashChainFindCopy(quality, xsize, cache_bits,  in BackwardReferencesHashChain()
379       HashChainFindCopy(hash_chain, i, xsize, argb, max_len,  in BackwardReferencesHashChain()
392         HashChainFindCopy(hash_chain, i + 1, xsize, argb, max_len,  in BackwardReferencesHashChain()
464     int xsize, int ysize, int recursive_cost_model,
490 static int CostModelBuild(CostModel* const m, int xsize, int ysize,  in CostModelBuild()  argument
500     if (!BackwardReferencesTraceBackwards(xsize, ysize, recursion_level - 1,  in CostModelBuild()
506     if (!BackwardReferencesHashChain(xsize, ysize, argb, cache_bits, quality,  in CostModelBuild()
561     int xsize, int ysize, int recursive_cost_model, const uint32_t* const argb,  in BackwardReferencesHashChainDistanceOnly()  argument
567   const int pix_count = xsize * ysize;  in BackwardReferencesHashChainDistanceOnly()
587   if (!CostModelBuild(cost_model, xsize, ysize, recursive_cost_model, argb,  in BackwardReferencesHashChainDistanceOnly()
597   GetParamsForHashChainFindCopy(quality, xsize, cache_bits,  in BackwardReferencesHashChainDistanceOnly()
611         HashChainFindCopy(hash_chain, i, xsize, argb, max_len,  in BackwardReferencesHashChainDistanceOnly()
616         const int code = DistanceToPlaneCode(xsize, offset);  in BackwardReferencesHashChainDistanceOnly()
702     int xsize, int ysize, const uint32_t* const argb,  in BackwardReferencesHashChainFollowChosenPath()  argument
707   const int pix_count = xsize * ysize;  in BackwardReferencesHashChainFollowChosenPath()
726   GetParamsForHashChainFindCopy(quality, xsize, cache_bits,  in BackwardReferencesHashChainFollowChosenPath()
734       HashChainFindCopy(hash_chain, i, xsize, argb, max_len,  in BackwardReferencesHashChainFollowChosenPath()
775 static int BackwardReferencesTraceBackwards(int xsize, int ysize,  in BackwardReferencesTraceBackwards()  argument
782   const int dist_array_size = xsize * ysize;  in BackwardReferencesTraceBackwards()
791       xsize, ysize, recursive_cost_model, argb, quality, cache_bits, hash_chain,  in BackwardReferencesTraceBackwards()
797       xsize, ysize, argb, quality, cache_bits, chosen_path, chosen_path_size,  in BackwardReferencesTraceBackwards()
807 static void BackwardReferences2DLocality(int xsize,  in BackwardReferences2DLocality()  argument
813       const int transformed_dist = DistanceToPlaneCode(xsize, dist);  in BackwardReferences2DLocality()
881                                   int xsize, int ysize,  in ComputeCacheEntropy()  argument
923   assert(pixel_index == xsize * ysize);  in ComputeCacheEntropy()
924   (void)xsize;  // xsize is not used in non-debug compilations otherwise.  in ComputeCacheEntropy()
937                                       int xsize, int ysize, int quality,  in VP8LCalculateEstimateForCacheSize()  argument
948   if (!BackwardReferencesHashChain(xsize, ysize, argb, 0, quality, hash_chain,  in VP8LCalculateEstimateForCacheSize()
956           ComputeCacheEntropy(argb, xsize, ysize, refs, cache_bits_low);  in VP8LCalculateEstimateForCacheSize()
961           ComputeCacheEntropy(argb, xsize, ysize, refs, cache_bits_high);  in VP8LCalculateEstimateForCacheSize()