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Use stdio instead of mmap for geometry while tiling to reduce thrashing

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Eric Fischer
2016-04-11 15:59:02 -07:00
parent c6d2988485
commit efe66dcafe
5 changed files with 98 additions and 37 deletions
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geometry.hh
+1 -1
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@@ -16,7 +16,7 @@ struct draw {
typedef std::vector<draw> drawvec;
drawvec decode_geometry(char **meta, int z, unsigned tx, unsigned ty, int detail, long long *bbox, unsigned initial_x, unsigned initial_y);
drawvec decode_geometry(FILE *meta, long long *geompos, int z, unsigned tx, unsigned ty, int detail, long long *bbox, unsigned initial_x, unsigned initial_y);
void to_tile_scale(drawvec &geom, int z, int detail);
drawvec remove_noop(drawvec geom, int type, int shift);
drawvec clip_point(drawvec &geom, int z, int detail, long long buffer);