Function CalcRenderKey

engine/gui/src/gui.cpp:1476–1478

    }

    static uint64_t CalcRenderKey(uint64_t layer, uint64_t index) {
        return (layer << LAYER_SHIFT) | (index << INDEX_SHIFT);
    }

    static void UpdateScope(InternalNode* node, StencilScope& scope, StencilScope& child_scope, const StencilScope* parent_scope, uint16_t index, uint16_t non_inv_clipper_count, uint16_t inv_clipper_count, uint16_t bit_field_offset) {
        int bit_range = CalcBitRange(non_inv_clipper_count);