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Merge pull request #456 from haroonq/patch-1

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Allow BufferView indices to be unspecified.
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Syoyo Fujita 2023-10-10 21:24:51 +09:00 committed by GitHub
commit 5e8a7fd602
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1 changed files with 9 additions and 7 deletions
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tiny_gltf.h
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@ -6145,21 +6145,23 @@ bool TinyGLTF::LoadFromString(Model *model, std::string *err, std::string *warn,
return false; return false;
} }
auto bufferView = const auto bufferView =
model->accessors[size_t(primitive.indices)].bufferView; model->accessors[size_t(primitive.indices)].bufferView;
if (bufferView < 0 || size_t(bufferView) >= model->bufferViews.size()) { if (bufferView < 0) {
// skip, bufferView could be null(-1) for certain extensions
} else if (size_t(bufferView) >= model->bufferViews.size()) {
if (err) { if (err) {
(*err) += "accessor[" + std::to_string(primitive.indices) + (*err) += "accessor[" + std::to_string(primitive.indices) +
"] invalid bufferView"; "] invalid bufferView";
} }
return false; return false;
} } else {
model->bufferViews[size_t(bufferView)].target = model->bufferViews[size_t(bufferView)].target =
TINYGLTF_TARGET_ELEMENT_ARRAY_BUFFER; TINYGLTF_TARGET_ELEMENT_ARRAY_BUFFER;
// we could optionally check if accessors' bufferView type is Scalar, as // we could optionally check if accessors' bufferView type is Scalar, as
// it should be // it should be
} }
}
for (auto &attribute : primitive.attributes) { for (auto &attribute : primitive.attributes) {
const auto accessorsIndex = size_t(attribute.second); const auto accessorsIndex = size_t(attribute.second);