ExternalVendorCode/tippecanoe
1
0
Fork 0
mirror of https://github.com/mapbox/tippecanoe.git synced 2025-04-08 19:44:15 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Use bitfields to further reduce data structure size

Browse Source
This commit is contained in:
Eric Fischer 2016-05-13 15:45:33 -07:00
parent f0e90620e4
commit 331deca4b4
3 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
CHANGELOG.md
View File

@ -1,3 +1,7 @@
## 1.11.6
* Reduce the size of critical data structures to reduce dynamic memory use
## 1.11.5
* Let zoom level 0 have just as much extent and buffer as any other zoom

7
geometry.hpp
View File

@ -11,10 +11,13 @@
#define VT_NUMBER 2
#define VT_BOOLEAN 7
// The bitfield is to make sizeof(draw) be 16 instead of 24
// at the cost, apparently, of a 0.7% increase in running time
// for packing and unpacking.
struct draw {
long long x;
long long y;
long long x : 40;
signed char op;
long long y : 40;
signed char necessary;
draw(int nop, long long nx, long long ny) {

2
version.hpp
View File

@ -1 +1 @@
#define VERSION "tippecanoe v1.11.5\n"
#define VERSION "tippecanoe v1.11.6\n"