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Fix GLB draco quantization #47

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Merged
pierotofy merged 1 commit into from
Sep 4, 2026
Merged

Fix GLB draco quantization #47

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2 changes: 1 addition & 1 deletion SuperBuild/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -247,7 +247,7 @@ externalproject_add(lastools
externalproject_add(draco
GIT_REPOSITORY https://github.com/pierotofy/draco
GIT_SHALLOW ON
GIT_TAG 396
GIT_TAG 383
PREFIX ${SB_BINARY_DIR}/draco
SOURCE_DIR ${SB_SOURCE_DIR}/draco
CMAKE_ARGS -DDRACO_TRANSCODER_SUPPORTED=ON
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2 changes: 1 addition & 1 deletion opendm/gltf.py
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Expand Up @@ -300,7 +300,7 @@ def addBufferView(buf, target=None):
_info("Compressing with draco")
try:
compressed_glb = io.related_file_path(output_glb, postfix="_compressed")
system.run('draco_transcoder -i "{}" -o "{}" -qt 16 -qp 16'.format(output_glb, compressed_glb))
system.run('draco_transcoder -i "{}" -o "{}" -qt 16 -qp 16 -unified_quantization'.format(output_glb, compressed_glb))
if os.path.isfile(compressed_glb) and os.path.isfile(output_glb):
os.remove(output_glb)
os.rename(compressed_glb, output_glb)
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