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[pull] master from beyond-all-reason:master #56

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Merged
pull merged 1 commit into from
Aug 3, 2026
Merged

[pull] master from beyond-all-reason:master #56

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11 changes: 11 additions & 0 deletions rts/Lua/LuaVBOImpl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1493,6 +1493,17 @@ bool LuaVBOImpl::CopyTo(const std::shared_ptr<LuaVBOImpl>& destVBO, int copySize

auto result = vbo->CopyTo(*destVBO->vbo, static_cast<GLsizeiptr>(copySizeInBytes));

// VBO::CopyTo only moves GPU->GPU. We need to also copy over the CPU-side bufferData.
if (result && bufferData != nullptr && destVBO->bufferData != nullptr && copySizeInBytes > 0) {
const auto n = std::min({
static_cast<uint32_t>(copySizeInBytes),
bufferSizeInBytes,
destVBO->bufferSizeInBytes
});
if (n > 0)
memcpy(destVBO->bufferData, bufferData, n);
}

if (!wasBound)
vbo->Unbind();

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