Method addPrimitives

Source/Falcor/Scene/SDFs/SDFGrid.cpp:147–177

    }

    uint32_t SDFGrid::addPrimitives(const std::vector<SDF3DPrimitive>& primitives)
    {
        // Copy primitives.
        uint32_t primitivesStartOffset = (uint32_t)mPrimitives.size();
        mPrimitives.reserve(mPrimitives.size() + primitives.size());
        mPrimitives.insert(mPrimitives.end(), primitives.begin(), primitives.end());

        // Assign indirection.
        mPrimitiveIDToIndex.reserve(mPrimitives.size());
        uint32_t basePrimitiveID = mNextPrimitiveID;

        for (uint32_t idx = primitivesStartOffset; idx < mPrimitives.size(); idx++)
        {
            mPrimitiveIDToIndex[mNextPrimitiveID++] = idx;
        }

        std::unordered_set<uint32_t> indexSet;
        for (const auto& [id, index] : mPrimitiveIDToIndex)
        {
            if (!indexSet.insert(index).second)
            {
                FALCOR_THROW("Multiple copies of index {}!", index);
            }
        }

        mPrimitivesDirty = true;

        updatePrimitivesBuffer();

        return basePrimitiveID;
    }

    void SDFGrid::removePrimitives(const std::vector<uint32_t>& primitiveIDs)
    {