prj/cam/src/portal/memtest.c

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 #include <stdlib.h>
   7 #include <stdio.h>
   8 #include <mem.h>
   9
  10 #include <lg.h>
  11 #include <pt_mem.h>
  12 #include <memall.h>
  13 #include <dbmem.h>   // must be last header!
  14
  15 #define MAX_RECT     1024
  16
  17 struct info
  18 {
  19    uchar *pt;
  20    int wid, ht;
  21    uchar data;
  22 } rect[MAX_RECT];
  23
  24 int num_added, num_deleted;
  25
  26 int sizes[] = { 1,2,4,8, 16,32,64,128, 256 };
  27
  28 void delete(int x)
  29 {
  30    int i,j;
  31    ++num_deleted;
  32
  33    for(j=0; j < rect[x].ht; ++j)
  34       for (i=0; i < rect[x].wid; ++i)
  35          if (rect[x].pt[j*256+i] != rect[x].data) goto ouch;
  36    portal_free_mem_rect(rect[x].pt, rect[x].wid, rect[x].ht);
  37    rect[x].pt = 0;
  38    return;
  39
  40 ouch:
  41    Error(1, "Bad data!\n");
  42 }
  43
  44 void add(int x)
  45 {
  46    int i ,sz, y;
  47
  48    ++num_added;
  49    sz = rand() % 8;
  50    y = rand() >> 3;
  51
  52    rect[x].wid = sizes[sz + !!(y & 1)];
  53    rect[x].ht = sizes[sz + !!(y & 2)];
  54    rect[x].data = rand();
  55    rect[x].pt = portal_allocate_mem_rect(rect[x].wid, rect[x].ht);
  56    for (i=0; i < rect[x].ht; ++i)
  57       memset(rect[x].pt + i*256, rect[x].data, rect[x].wid);
  58 }
  59
  60 void process_rect(int x)
  61 {
  62    if (rect[x].pt) delete(x); else add(x);
  63 }
  64
  65 extern int max_strips;
  66
  67 int main(int argc, char **argv)
  68 {
  69    int n, i;
  70    MemCheckOn(TRUE);
  71
  72    n = argc > 1 ? atoi(argv[1]) : 4096;
  73
  74    while(n--)
  75       process_rect((unsigned int) rand() % MAX_RECT);
  76
  77    for (i=0; i < MAX_RECT; ++i)
  78       if (rect[i].pt)
  79          delete(i);
  80
  81    printf("Successfully inserted %d and deleted %d\n", num_added, num_deleted);
  82    printf("%d strips\n", max_strips);
  83    return 0;
  84 }