GitHub-Proxy/draco
1
0
Fork 0
mirror of https://git.mirrors.martin98.com/https://github.com/google/draco synced 2025-08-12 20:59:03 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #217 from google/spec_updates

Browse Source 
A few spec changes.
This commit is contained in:
FrankGalligan 2017-10-04 16:27:32 -07:00 committed by GitHub
commit 2f1f963498
3 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
docs/spec/04.00.00.conventions.md
View File

@ -47,14 +47,22 @@ 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 * When bit reading is finished it will always pad the read to the current
byte. byte.
* I16, UI16, I32, UI32, I64, UI64, and Float values must be little endian.
* varUI32 and varUI64 types must be decoded by the LEB128() function. * varUI32 and varUI64 types must be decoded by the LEB128() function.
* varUI32 can represent vaules in the range 0 to 2^32 - 1. * varUI32 can represent values in the range 0 to 2^32 - 1.
* E.g. 0x10000000 will be stored using 5 bytes. * E.g. 0x10000000 will be stored using 5 bytes.
* varUI64 can represent vaules in the range 0 to 2^64 - 1. * varUI64 can represent values in the range 0 to 2^64 - 1.
* E.g. 0x100000000000000 will be stored using 9 bytes. * E.g. 0x100000000000000 will be stored using 9 bytes.
* Metadata keys per metadata element must be unique.
* att_metadata_id values must be unique.
* All values of att_metadata_id must equal a value stored in att_dec_unique_id.
### General Conventions ### General Conventions

6
docs/spec/edgebreaker.decoder.md
View File

@ -21,12 +21,12 @@ void ParseEdgebreakerConnectivityData() {
~~~~~ ~~~~~
void ParseTopologySplitEvents() { void ParseTopologySplitEvents() {
num_topologoy_splits varUI32 num_topology_splits varUI32
for (i = 0; i < num_topologoy_splits; ++i) { for (i = 0; i < num_topology_splits; ++i) {
source_id_delta[i] varUI32 source_id_delta[i] varUI32
split_id_delta[i] varUI32 split_id_delta[i] varUI32
} }
for (i = 0; i < num_topologoy_splits; ++i) { for (i = 0; i < num_topology_splits; ++i) {
split_edge_bit[i] f[1] split_edge_bit[i] f[1]
source_edge_bit[i] f[1] source_edge_bit[i] f[1]
} }

2
docs/spec/variable.descriptions.md
View File

@ -120,7 +120,7 @@
* Number of encoded EdgeBreaker split symbols * Number of encoded EdgeBreaker split symbols
* encoded_connectivity_size * encoded_connectivity_size
* Size of encoded connectivity data in bytes * Size of encoded connectivity data in bytes
* num_topologoy_splits * num_topology_splits
* source_id_delta * source_id_delta
* Array of delta encoded source symbol ids * Array of delta encoded source symbol ids
* split_id_delta * split_id_delta