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authorAndrey Kleshchev <andreykproductengine@lindenlab.com>2022-04-01 00:33:51 +0300
committerAndrey Kleshchev <andreykproductengine@lindenlab.com>2022-04-01 01:39:35 +0300
commit14e792766ebc00e1af6070ae27013ac29bf4eab8 (patch)
treebaa353762b3f1615ebfb5c7b10d0dbd7b415cc98 /indra/newview/llmodelpreview.cpp
parent7f0e62ea9e1c2deac03ad9ffc3533f558fd77766 (diff)
SL-17121 Adjust uploader for possible 0 input.
Diffstat (limited to 'indra/newview/llmodelpreview.cpp')
-rw-r--r--indra/newview/llmodelpreview.cpp21
1 files changed, 18 insertions, 3 deletions
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index 8bf88cb5e8..00613b1d80 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -1286,7 +1286,14 @@ F32 LLModelPreview::genMeshOptimizerPerModel(LLModel *base_model, LLModel *targe
F32 result_error = 0; // how far from original the model is, 1 == 100%
S32 new_indices = 0;
- target_indices = llclamp(llfloor(size_indices / indices_decimator), 3, (S32)size_indices); // leave at least one triangle
+ if (indices_decimator > 0)
+ {
+ target_indices = llclamp(llfloor(size_indices / indices_decimator), 3, (S32)size_indices); // leave at least one triangle
+ }
+ else // indices_decimator can be zero for error_threshold based calculations
+ {
+ target_indices = 3;
+ }
new_indices = LLMeshOptimizer::simplifyU32(
output_indices,
combined_indices,
@@ -1490,7 +1497,14 @@ F32 LLModelPreview::genMeshOptimizerPerFace(LLModel *base_model, LLModel *target
F32 result_error = 0; // how far from original the model is, 1 == 100%
S32 new_indices = 0;
- target_indices = llclamp(llfloor(size_indices / indices_decimator), 3, (S32)size_indices); // leave at least one triangle
+ if (indices_decimator > 0)
+ {
+ target_indices = llclamp(llfloor(size_indices / indices_decimator), 3, (S32)size_indices); // leave at least one triangle
+ }
+ else
+ {
+ target_indices = 3;
+ }
new_indices = LLMeshOptimizer::simplify(
output,
face.mIndices,
@@ -1627,7 +1641,8 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d
}
// meshoptimizer doesn't use triangle limit, it uses indices limit, so convert it to aproximate ratio
- indices_decimator = (F32)base_triangle_count / triangle_limit;
+ // triangle_limit can be 0.
+ indices_decimator = (F32)base_triangle_count / llmax(triangle_limit, 1.f);
}
else
{