Method read

src/RgbaArray.ts:189–198

()

  // Read back the RGBA8 values from the readback buffer.
  async read(): Promise<Uint8Array> {
    if (!this.readback) {
      throw new Error("No readback");
    }
    if (!this.array || this.array.length < this.count * 4) {
      this.array = new Uint8Array(this.capacity * 4);
    }
    const result = await this.readback.readback({ readback: this.array });
    return result.subarray(0, this.count * 4);
  }

  async getArray(): Promise<Uint8Array> {
    if (this.readback) {