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-rw-r--r--indra/newview/llmodelpreview.cpp25
1 files changed, 22 insertions, 3 deletions
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index 3a8676d7b9..3ee435fb5f 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -2151,7 +2151,15 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
// Ideally this should run not per model,
// but combine all submodels with origin model as well
- genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, false);
+ F32 res = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, false);
+ if (res < 0)
+ {
+ // U16 vertices overflow, shouldn't happen, but just in case
+ for (U32 face_idx = 0; face_idx < base->getNumVolumeFaces(); ++face_idx)
+ {
+ genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, false);
+ }
+ }
}
if (model_meshopt_mode == MESH_OPTIMIZER)
@@ -2175,12 +2183,23 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
if (model_meshopt_mode == MESH_OPTIMIZER_AUTO)
{
F32 allowed_ratio_drift = 2.f;
- S32 res = 0;
+ F32 res = 0;
if (base->mHasGeneratedFaces)
{
res = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, false);
- if (res * allowed_ratio_drift < indices_decimator)
+ if (res < 0)
+ {
+ // U16 vertices overflow, shouldn't happen, but just in case
+ for (U32 face_idx = 0; face_idx < base->getNumVolumeFaces(); ++face_idx)
+ {
+ genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, false);
+ }
+ LL_INFOS() << "Model " << target_model->getName()
+ << " lod " << which_lod
+ << " per model method overflow, defaulting to per face." << LL_ENDL;
+ }
+ else if (res * allowed_ratio_drift < indices_decimator)
{
res = genMeshOptimizerPerModel(base, target_model, indices_decimator, lod_error_threshold, true);
LL_INFOS() << "Model " << target_model->getName()