google/draco

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Draco is a library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to improve the storage and transmission of 3D graphics.

Stars: 7.5k
Forks: 1.1k
Open beginner issues: 0
Indexed issues: 137
Avg merge: 47m
Merged PRs (30d): 1

Dominant language: C++
License: Apache-2.0
Last GitHub push: Aug 18, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Open All

137 open issues indexed

Discussion on sub-objects and materials Open

documentation

google/draco#89 · 29 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
How to load uv for a decoded draco obj model Open

documentation

google/draco#103 · 38 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Do we have any examples of rendering a .drc model with materials using THREE.js? Open

documentation

google/draco#364 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
How to get obj name and sub_obj name from metadata with javascript decoder API Open

documentation

google/draco#401 · 14 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
WebGL build support in Unity Open

enhancement Unity

google/draco#436 · 15 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Any way to Export a Mesh in Unity to a draco-file ? Open

enhancement Unity

google/draco#450 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
C-API for FFI Open

help wanted

google/draco#467 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Multi Material Decoding with Unity Plugin Open

Feature Request Unity

google/draco#509 · 5 comments · 1 reaction · 1 assignee · Indexed Sep 16, 2026
Add progress update callback for encoding/decoding? Open

Feature Request

google/draco#542 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Can I use draco to Compress 3DTiles？And How？ Open

question

google/draco#543 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Assigning .mtl to .drc local object decoded at Runtime Open

help wanted Unity

google/draco#589 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
EncodePointCloudToBuffer compression point and normal error Open

help wanted

google/draco#598 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Decompression Performace Improvement Open

Feature Request help wanted

google/draco#604 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Unsafe to reuse a Decoder instance Open

bug documentation

google/draco#656 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Error on decompression: Invalid index into function table Open

Waiting Response

google/draco#662 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
1.5.x RuntimeError: 'Error: Draco encoding failed.' Open

bug

google/draco#665 · 16 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Overload selection issue with GeometryAttribute::GetValue Open

bug

google/draco#668 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
MSVC2019 - Large number of warnings at /W1 and higher (1.4.1 release) Open

bug cmake low priority

google/draco#672 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Clang and GCC: Large number of warnings at -Wall Open

bug cmake low priority

google/draco#673 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
GCC/clang: Draco shared library requires -fvisibility=default but does not set it Open

bug cmake low priority

google/draco#674 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
support fbx format and maps Open

Feature Request

google/draco#685 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Very long glb compression time Open

bug

google/draco#688 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
how to use javascript to encode gltf and animation Open

documentation

google/draco#700 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Vertex order - issue with coloring Open

question

google/draco#703 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
certain files encoded with 1.3.6 cannot be decoded with 1.4.1 Open

bug

google/draco#704 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
How to predict the compressed file size? Open

documentation

google/draco#710 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
why traverse the mesh twice? Open

question

google/draco#718 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Get vertices/indices in the original order using JS decoder (achieved in C++) Open

enhancement Feature Request

google/draco#722 · 3 comments · 1 reaction · 1 assignee · Indexed Sep 16, 2026
geometry compression Open

question

google/draco#732 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
After draco compresses the obj format file, there is a problem with clicking the surface Open

bug

google/draco#735 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Problems with normals in Linux decoder Open

Waiting Response

google/draco#736 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Unable to run the example application Open

bug

google/draco#737 · 4 comments · 4 reactions · 1 assignee · Indexed Sep 16, 2026
wasm path is not correct in electron environment Open

documentation Feature Request

google/draco#740 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Can you provide android jni encoder example Open

documentation Feature Request help wanted

google/draco#741 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Standard MIME type for a Draco File? Open

documentation question

google/draco#761 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Draco crashes on big datasets located far away from the origin Open

bug

google/draco#765 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
There are some bugs with normal and whether draco supports lossless coding Open

bug question

google/draco#766 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Crashes in draco_encoder when processing malformed OBJ and DRC files Open

bug

google/draco#795 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Help Needed: Nodejs example for encode .ply to .drc Open

Feature Request help wanted

google/draco#797 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Distinct section for face attributes Open

Feature Request

google/draco#801 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Decode vertex attributes to interleaved buffer Open

Feature Request

google/draco#803 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Please make an API for Java as well. Open

Feature Request help wanted

google/draco#811 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
How quantization works Open

question

google/draco#823 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
GltfDecoderTest.ThreeMeshesOneNoMaterialMesh fails on Windows in Release mode MSVC builds. Open

bug

google/draco#826 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
How to get all information of a single point? When should I use mapped_index? Open

question

google/draco#828 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
[Bug] Crash on special mesh with tangents. Open

bug

google/draco#832 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
trace when decoding high compression level drc file Open

Waiting Response

google/draco#835 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
how to correctly close deduplication Open

question

google/draco#837 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
SEQUENTIAL_ENCODING does not preserve order Open

bug

google/draco#841 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Failed to decode the input file Failed to decode point attributes. Open

bug

google/draco#879 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026

google/draco

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