Function bm_AllocateMemoryForIndex

bitmap/bitmain.cpp:482–508

  bm_DeleteHashTable();
}
int bm_AllocateMemoryForIndex(int n, int w, int h, int add_mem) {
  // If no go on the malloc, bail out with -1

  int size = (w * h * 2) + (add_mem) + 2;
  GameBitmaps[n].data16 = (uint16_t *)mem_malloc(size);
  if (!GameBitmaps[n].data16) {
    Int3(); // Ran out of memory!
    return -1;
  }
  Bitmap_memory_used += (size);
  memset(GameBitmaps[n].data16, 0xAA, size);

  GameBitmaps[n].format = BITMAP_FORMAT_STANDARD;
  GameBitmaps[n].width = w;
  GameBitmaps[n].height = h;
  GameBitmaps[n].flags = BF_CHANGED | BF_BRAND_NEW;

#ifdef USE_OPENGL
  for (int tmp = w; tmp > 0; tmp = tmp >> 1)
    GameBitmaps[n].mip_levels++;
#else
  GameBitmaps[n].mip_levels = NUM_MIP_LEVELS;
#endif

  Num_of_bitmaps++;
  return n;
}
// Allocs a bitmap of w x h size
// If add_mem is nonzero, adds that to the amount alloced
// Returns bitmap handle if successful, -1 if otherwise