Function setMaterialParamsPython

Source/Falcor/Scene/Scene.cpp:4220–4244

Set serialized material parameters for a list of materials. * \param materialIDsBuffer Buffer containing material IDs * \param paramsBuffer Buffer containing material parameters */

    *   \param paramsBuffer Buffer containing material parameters
    */
    inline void setMaterialParamsPython(Scene& scene, ref<Buffer> materialIDsBuffer, ref<Buffer> paramsBuffer)
    {
        // Get material IDs buffer.
        FALCOR_CHECK(materialIDsBuffer->getStructSize() == sizeof(uint32_t), "Material IDs buffer must contain uint32_t elements.");
        std::vector<uint32_t> materialIDs = materialIDsBuffer->getElements<uint32_t>();

        // Get material parameters from buffer.
        std::vector<float> params = paramsBuffer->getElements<float>(0, materialIDs.size() * SerializedMaterialParams::kParamCount);

        // Update material parameters.
        size_t ofs = 0;
        SerializedMaterialParams tmpParams;
        for (uint32_t materialID : materialIDs)
        {
            std::copy(params.begin() + ofs, params.begin() + ofs + SerializedMaterialParams::kParamCount, tmpParams.begin());
            scene.getMaterial(MaterialID(materialID))->deserializeParams(tmpParams);
            ofs += SerializedMaterialParams::kParamCount;
        }

        // Need to update scene explicitly without calling `testbed.frame()`.
        scene.updateForInverseRendering(scene.getDevice()->getRenderContext(), true, false);
#if FALCOR_HAS_CUDA
        scene.getDevice()->getRenderContext()->waitForFalcor();
#endif
    }

    inline void getMeshVerticesAndIndicesPython(Scene& scene, MeshID meshID, const pybind11::dict& dict)
    {