progs/xdemos/pbinfo.c

   1
   2 /*
   3  * Print list of fbconfigs and test each to see if a pbuffer can be created
   4  * for that config.
   5  *
   6  * Brian Paul
   7  * April 1997
   8  * Updated on 5 October 2002.
   9  */
  10
  11
  12 #include <X11/Xlib.h>
  13 #include <stdio.h>
  14 #include <string.h>
  15 #include "pbutil.h"
  16
  17
  18
  19
  20 static void
  21 PrintConfigs(Display *dpy, int screen, Bool horizFormat)
  22 {
  23    FBCONFIG *fbConfigs;
  24    int nConfigs;
  25    int i;
  26
  27    fbConfigs = GetAllFBConfigs(dpy, screen, &nConfigs);
  28    if (!nConfigs || !fbConfigs) {
  29       printf("Error: glxGetFBConfigs failed\n");
  30       return;
  31    }
  32
  33    printf("Number of fbconfigs: %d\n", nConfigs);
  34
  35    if (horizFormat) {
  36       printf("  ID        VisualType  Depth Lvl RGB CI DB Stereo  R  G  B  A");
  37       printf("   Z  S  AR AG AB AA  MSbufs MSnum  Pbuffer  Float\n");
  38    }
  39
  40    /* Print config info */
  41    for (i = 0; i < nConfigs; i++) {
  42       PrintFBConfigInfo(dpy, screen, fbConfigs[i], horizFormat);
  43    }
  44
  45    /* free the list */
  46    XFree(fbConfigs);
  47 }
  48
  49
  50
  51 static void
  52 PrintUsage(void)
  53 {
  54    printf("Options:\n");
  55    printf("  -display <display-name>  specify X display name\n");
  56    printf("  -t                       print in tabular format\n");
  57    printf("  -v                       print in verbose format\n");
  58    printf("  -help                    print this information\n");
  59 }
  60
  61
  62 int
  63 main(int argc, char *argv[])
  64 {
  65    Display *dpy;
  66    int scrn;
  67    char *dpyName = NULL;
  68    Bool horizFormat = True;
  69    int i;
  70
  71    for (i=1; i<argc; i++) {
  72       if (strcmp(argv[i],"-display")==0) {
  73          if (i+1<argc) {
  74             dpyName = argv[i+1];
  75             i++;
  76          }
  77       }
  78       else if (strcmp(argv[i],"-t")==0) {
  79          /* tabular format */
  80          horizFormat = True;
  81       }
  82       else if (strcmp(argv[i],"-v")==0) {
  83          /* verbose format */
  84          horizFormat = False;
  85       }
  86       else if (strcmp(argv[i],"-help")==0) {
  87          PrintUsage();
  88          return 0;
  89       }
  90       else {
  91          printf("Unknown option: %s\n", argv[i]);
  92       }
  93    }
  94
  95    dpy = XOpenDisplay(dpyName);
  96
  97    if (!dpy) {
  98       printf("Error: couldn't open display %s\n", XDisplayName(dpyName));
  99       return 1;
 100    }
 101
 102    scrn = DefaultScreen(dpy);
 103    PrintConfigs(dpy, scrn, horizFormat);
 104    XCloseDisplay(dpy);
 105    return 0;
 106 }