1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/* $Id: pbinfo.c,v 1.2 2003/04/21 14:51:16 brianp Exp $ */
/*
* Print list of fbconfigs and test each to see if a pbuffer can be created
* for that config.
*
* Brian Paul
* April 1997
* Updated on 5 October 2002.
*/
#include <X11/Xlib.h>
#include <stdio.h>
#include <string.h>
#include "pbutil.h"
static void
PrintConfigs(Display *dpy, int screen, Bool horizFormat)
{
GLXFBConfigSGIX *fbConfigs;
int nConfigs;
int i;
/* Note: you may want to tweek the attribute list to select a different
* set of fbconfigs.
*/
int fbAttribs[] = {
GLX_RENDER_TYPE_SGIX, 0,
GLX_DRAWABLE_TYPE_SGIX, 0,
#if 0
GLX_RENDER_TYPE_SGIX, GLX_RGBA_BIT_SGIX,
GLX_DRAWABLE_TYPE_SGIX, GLX_PIXMAP_BIT_SGIX,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DEPTH_SIZE, 1,
GLX_DOUBLEBUFFER, 0,
GLX_STENCIL_SIZE, 0,
#endif
None};
/* Get list of possible frame buffer configurations */
#if 0
/* SGIX method */
fbConfigs = glXChooseFBConfigSGIX(dpy, screen, fbAttribs, &nConfigs);
#else
/* GLX 1.3 method */
(void) fbAttribs;
fbConfigs = glXGetFBConfigs(dpy, screen, &nConfigs);
#endif
if (nConfigs==0 || !fbConfigs) {
printf("Error: glxChooseFBConfigSGIX failed\n");
return;
}
printf("Number of fbconfigs: %d\n", nConfigs);
if (horizFormat) {
printf(" ID VisualType Depth Lvl RGB CI DB Stereo R G B A");
printf(" Z S AR AG AB AA MSbufs MSnum Pbuffer\n");
}
/* Print config info */
for (i=0;i<nConfigs;i++) {
PrintFBConfigInfo(dpy, fbConfigs[i], horizFormat);
}
/* free the list */
XFree(fbConfigs);
}
static void
PrintUsage(void)
{
printf("Options:\n");
printf(" -display <display-name> specify X display name\n");
printf(" -t print in tabular format\n");
printf(" -v print in verbose format\n");
printf(" -help print this information\n");
}
int
main(int argc, char *argv[])
{
Display *dpy;
int scrn;
char *dpyName = NULL;
Bool horizFormat = True;
int i;
for (i=1; i<argc; i++) {
if (strcmp(argv[i],"-display")==0) {
if (i+1<argc) {
dpyName = argv[i+1];
i++;
}
}
else if (strcmp(argv[i],"-t")==0) {
/* tabular format */
horizFormat = True;
}
else if (strcmp(argv[i],"-v")==0) {
/* verbose format */
horizFormat = False;
}
else if (strcmp(argv[i],"-help")==0) {
PrintUsage();
return 0;
}
else {
printf("Unknown option: %s\n", argv[i]);
}
}
dpy = XOpenDisplay(dpyName);
if (!dpy) {
printf("Error: couldn't open display %s\n", dpyName ? dpyName : ":0");
return 1;
}
scrn = DefaultScreen(dpy);
PrintConfigs(dpy, scrn, horizFormat);
XCloseDisplay(dpy);
return 0;
}
|
