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Fix optix7 bug causing access violations #28

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Fix optix7 bug causing access violations #28

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6 changes: 4 additions & 2 deletions lib/rendercore_optix7/rendercore.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -515,7 +515,7 @@ void RenderCore::SetMaterials( CoreMaterial* mat, const int materialCount )
if (materialBuffer == 0 || materialCount > materialBuffer->GetSize())
{
delete hostMaterialBuffer;
hostMaterialBuffer = new CUDAMaterial[materialCount];
hostMaterialBuffer = new CUDAMaterial[materialCount + 512];
}
for (int i = 0; i < materialCount; i++)
{
Expand Down Expand Up @@ -556,9 +556,11 @@ void RenderCore::SetMaterials( CoreMaterial* mat, const int materialCount )
// just set the new material data
materialBuffer->SetHostData( hostMaterialBuffer );
}
else /* if (materialCount > materialBuffer->GetSize()) */
else if (materialCount > materialBuffer->GetSize())
{
// TODO: realloc, remove +512 during allocation
delete materialBuffer;
materialBuffer = new CoreBuffer<CUDAMaterial>( materialCount + 512, ON_HOST | ON_DEVICE | STAGED, hostMaterialBuffer );
}
materialBuffer->StageCopyToDevice();
stageMaterialList( materialBuffer->DevPtr() );
Expand Down