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       XFree(fbConfigs);
  31       return;
  32    }
  33
  34    printf("Number of fbconfigs: %d\n", nConfigs);
  35
  36    if (horizFormat) {
  37       printf("  ID        VisualType  Depth Lvl RGB CI DB Stereo  R  G  B  A");
  38       printf("   Z  S  AR AG AB AA  MSbufs MSnum  Pbuffer  Float\n");
  39    }
  40
  41    /* Print config info */
  42    for (i = 0; i < nConfigs; i++) {
  43       PrintFBConfigInfo(dpy, screen, fbConfigs[i], horizFormat);
  44    }
  45
  46    /* free the list */
  47    XFree(fbConfigs);
  48 }
  49
  50
  51
  52 static void
  53 PrintUsage(void)
  54 {
  55    printf("Options:\n");
  56    printf("  -display <display-name>  specify X display name\n");
  57    printf("  -t                       print in tabular format\n");
  58    printf("  -v                       print in verbose format\n");
  59    printf("  -help                    print this information\n");
  60 }
  61
  62
  63 int
  64 main(int argc, char *argv[])
  65 {
  66    Display *dpy;
  67    int scrn;
  68    char *dpyName = NULL;
  69    Bool horizFormat = True;
  70    int i;
  71
  72    for (i=1; i<argc; i++) {
  73       if (strcmp(argv[i],"-display")==0) {
  74          if (i+1<argc) {
  75             dpyName = argv[i+1];
  76             i++;
  77          }
  78       }
  79       else if (strcmp(argv[i],"-t")==0) {
  80          /* tabular format */
  81          horizFormat = True;
  82       }
  83       else if (strcmp(argv[i],"-v")==0) {
  84          /* verbose format */
  85          horizFormat = False;
  86       }
  87       else if (strcmp(argv[i],"-help")==0) {
  88          PrintUsage();
  89          return 0;
  90       }
  91       else {
  92          printf("Unknown option: %s\n", argv[i]);
  93       }
  94    }
  95
  96    dpy = XOpenDisplay(dpyName);
  97
  98    if (!dpy) {
  99       printf("Error: couldn't open display %s\n", XDisplayName(dpyName));
 100       return 1;
 101    }
 102
 103    scrn = DefaultScreen(dpy);
 104    PrintConfigs(dpy, scrn, horizFormat);
 105    XCloseDisplay(dpy);
 106    return 0;
 107 }