Method makeStorage

app/src/DSP.h:298–312

* @brief Allocates the backing array, pinning plot-scale buffers into physical memory. The * deleter owns the unpin, so shared copies / snapshots / resize stay leak-free. */

   *        deleter owns the unpin, so shared copies / snapshots / resize stay leak-free.
   */
  [[nodiscard]] static std::shared_ptr<T[]> makeStorage(std::size_t n)
  {
    Q_ASSERT(n > 0);

    T* data                 = new T[n];
    const std::size_t bytes = n * sizeof(T);
    if (bytes >= kPinThresholdBytes && Platform::AppPlatform::lockMemoryResident(data, bytes)) {
      return std::shared_ptr<T[]>(data, [bytes](T* p) {
        Platform::AppPlatform::unlockMemoryResident(p, bytes);
        delete[] p;
      });
    }

    return std::shared_ptr<T[]>(data);
  }

  /**
   * @brief Computes the storage index where the next element will be inserted.