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Fix meshlet generation, when 32bit indices are forced #660

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Oct 13, 2020
Merged

Fix meshlet generation, when 32bit indices are forced #660

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4 changes: 2 additions & 2 deletions Samples/Desktop/D3D12MeshShaders/src/WavefrontConverter/MeshProcessor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -168,11 +168,11 @@ bool MeshProcessor::Extract(const ProcessOptions& options, const WaveFrontReader

// Determine our index properties
m_indexCount = static_cast<uint32_t>(reader.indices.size());
m_indexSize = m_indexCount > 65536 ? 4 : 2;
m_indexSize = (m_indexCount > 65536 || options.Force32BitIndices) ? 4 : 2;
m_indices.resize(m_indexSize * m_indexCount);

// Copy our indices over to their final buffer.
if (m_indexSize == 4 || options.Force32BitIndices)
if (m_indexSize == 4)
{
// Already stored at 32-bits - simple copy over.
std::memcpy(m_indices.data(), reader.indices.data(), m_indexCount * m_indexSize);
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