buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);