GitHub-Proxy/draco
1
0
Fork 0
mirror of https://git.mirrors.martin98.com/https://github.com/google/draco synced 2025-08-11 19:59:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

Replace DecodeVarInt function with LEB128

Browse Source
This commit is contained in:
Frank Galligan 2017-10-03 09:58:52 -07:00
parent 60b3928e56
commit f51669f55e
2 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/spec/04.00.00.conventions.md
View File

@ -47,7 +47,7 @@ section is the header. The second section contains the metadata. This section is
* When bit reading is finished it will always pad the read to the current
byte.
* varUI32 and varUI64 types must be decoded by the DecodeVarint() function.
* varUI32 and varUI64 types must be decoded by the LEB128() function.
### General Conventions

17
docs/spec/core.functions.md
View File

@ -1,17 +1,20 @@
## Core Functions
### DecodeVarint
### LEB128
~~~~~
void DecodeVarint(out_val) {
uint64_t LEB128() {
result = 0;
shift = 0;
while(true) {
in UI8
if (in & (1 << 7)) {
DecodeVarint(out_val);
out_val = (out_val << 7) | (in & ((1 << 7) - 1));
} else {
out_val = in;
result |= (low order 7 bits of in) << shift;
if (high order bit of in == 0)
break;
shift += 7;
}
return result;
}
~~~~~
{:.draco-syntax }