text: //*****************************************************************************
  //
  //! @file load_objects.c
  //!
  //! @brief NemaGFX example.
  //!
  //
  //*****************************************************************************
  
  //*****************************************************************************
  //
  // Copyright (c) 2021, Ambiq Micro, Inc.
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice,
  // this list of conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright
  // notice, this list of conditions and the following disclaimer in the
  // documentation and/or other materials provided with the distribution.
  //
  // 3. Neither the name of the copyright holder nor the names of its
  // contributors may be used to endorse or promote products derived from this
  // software without specific prior written permission.
  //
  // Third party software included in this distribution is subject to the
  // additional license terms as defined in the /docs/licenses directory.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  // POSSIBILITY OF SUCH DAMAGE.
  //
  // This is part of revision b0-release-20210111-731-g7d50f2291 of the AmbiqSuite Development Package.
  //
  //*****************************************************************************
  
  #ifndef BACK_BUFFER_FORMAT
  #define BACK_BUFFER_FORMAT NEMA_TSC4
  #endif
  
  void load_objects(void)
  {
      for (int i = 0; i < FRAME_BUFFERS; ++i)
      {
          int format = i < FRAME_BUFFERS - 2 ? NEMA_TSC4 : BACK_BUFFER_FORMAT;
  
          fb[i].stride = nema_stride_size(format, 0, RESX);
          fb[i].w = RESX;
          fb[i].h = RESY;
          fb[i].format = format;
  
          if (format == NEMA_TSC4)
          {
              fb[i].bo = nema_buffer_create(RESX * RESY / 2);
          }
          else
          {
              fb[i].bo = nema_buffer_create(fb[i].stride * fb[i].h);
          }
  
          nema_buffer_map(&fb[i].bo);
  
          if (i < FRAME_BUFFERS - 2)
          {
              layer[i].sizex         = layer[i].resx = fb[i].w;
              layer[i].sizey         = layer[i].resy = fb[i].h;
              layer[i].stride        = -1;
              layer[i].format        = NEMADC_TSC4;
              layer[i].blendmode     = NEMADC_BL_SRC;
              layer[i].baseaddr_phys = fb[i].bo.base_phys;
              layer[i].baseaddr_virt = fb[i].bo.base_virt;
          }
  
          PRINT_I("FB[%d]: V:%p P:0x%08x\n ", i, (void *)fb[i].bo.base_virt, fb[i].bo.base_phys);
      }
  }
  