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authorAndrey Kleshchev <andreykproductengine@lindenlab.com>2021-07-13 20:07:28 +0300
committerAndrey Kleshchev <andreykproductengine@lindenlab.com>2021-07-13 20:07:28 +0300
commita607e7642071690dcab9a1fdf5453fcf83480982 (patch)
tree770ae0be69d4c98ad779c497306824b15ec53765 /indra
parent33819e157e9a9638d4869e90601f7b7011804e08 (diff)
DRTVWR-542 output buffer should be indentical in size to indices array
Diffstat (limited to 'indra')
-rw-r--r--indra/newview/llmodelpreview.cpp13
1 files changed, 9 insertions, 4 deletions
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index 26eac71281..93186657ce 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -1845,7 +1845,10 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, U32 decimation, bool en
{
const LLVolumeFace &face = base->getVolumeFace(face_idx);
S32 num_indices = face.mNumIndices;
- std::vector<U16> output(num_indices); //todo: do not allocate per each face, add one large buffer somewhere
+ // todo: do not allocate per each face, add one large buffer somewhere
+ // faces have limited amount of indices
+ S32 size = (num_indices * sizeof(U16) + 0xF) & ~0xF;
+ U16* output = (U16*)ll_aligned_malloc_16(size);
/*
generateShadowIndexBuffer appears to deform model
@@ -1864,7 +1867,7 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, U32 decimation, bool en
if (sloppy)
{
new_indices = LLMeshOptimizer::simplifySloppy(
- &output[0],
+ output,
face.mIndices,
num_indices,
face.mPositions,
@@ -1880,7 +1883,7 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, U32 decimation, bool en
if (new_indices <= 0)
{
new_indices = LLMeshOptimizer::simplify(
- &output[0],
+ output,
face.mIndices,
num_indices,
face.mPositions,
@@ -1916,7 +1919,9 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, U32 decimation, bool en
// Assign new values
new_face.resizeIndices(new_indices); // will wipe out mIndices, so new_face can't substitute output
S32 idx_size = (new_indices * sizeof(U16) + 0xF) & ~0xF;
- LLVector4a::memcpyNonAliased16((F32*)new_face.mIndices, (F32*)(&output[0]), idx_size);
+ LLVector4a::memcpyNonAliased16((F32*)new_face.mIndices, (F32*)output, idx_size);
+
+ ll_aligned_free_16(output);
// clear unused values
new_face.optimize();